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Ricoh GR IIIx vs Sony RX1R III

The Ricoh GR IIIx and the Sony Cyber-shot DSC-RX1R III are two digital cameras that were revealed to the public, respectively, in September 2021 and July 2025. Both the GR IIIx and the RX1R III are fixed lens compact cameras that are based on an APS-C (GR IIIx) and a full frame (RX1R III) sensor. The Ricoh has a resolution of 24 megapixels, whereas the Sony provides 60.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Ricoh GR IIIx
versus
Sony RX1R III
Ricoh GR IIIx   Sony RX1R III
Fixed lens compact camera Fixed lens compact camera
40mm f/2.8 35mm f/2.0
24 MP – APS-C sensor 60.2 MP – Full Frame sensor
1080/60p Video 4K/30p Video
ISO 100-102,400 ISO 100-32,000 (50 - 102,400)
Viewfinder optional Electronic viewfinder (2360k dots)
3.0" LCD – 1037k dots 3.0" LCD – 2360k dots
Fixed touchscreen Fixed touchscreen
4 shutter flaps per second 5 shutter flaps per second
In-body stabilizationno shake reduction
not weather sealedWeathersealed body
200 shots per battery charge300 shots per battery charge
109 x 62 x 35 mm, 262 g 113 x 68 x 88 mm, 498 g
logo
Check GR IIIx price at
amazon.com
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Check RX1R III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Ricoh GR IIIx and the Sony Cyber-shot DSC-RX1R III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Ricoh GR IIIx and the Sony RX1R III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Ricoh GR IIIx vs Sony RX1R III
Compare GR IIIx versus RX1R III top
Comparison GR IIIx or RX1R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX1R III is notably larger (14 percent) than the Ricoh GR IIIx. Moreover, the RX1R III is substantially heavier (90 percent) than the GR IIIx. It is noteworthy in this context that the RX1R III is splash and dust-proof, while the GR IIIx does not feature any corresponding weather-sealing.

Concerning battery life, the GR IIIx gets 200 shots out of its Ricoh DB-110 battery, while the RX1R III can take 300 images on a single charge of its Sony NP-FW50 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Ricoh GR IIIx 109 mm 62 mm 35 mm 262 g 200 n Sep 2021 US$ 999 amazon.com
2.
 
Sony RX1R III 113 mm 68 mm 88 mm 498 g 300 Y Jul 2025 US$ 5 099 amazon.com
3.
 
Fujifilm X-E4 121 mm 73 mm 33 mm 364 g 380 n Jan 2021 US$ 849ebay.com
4.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 US$ 999 amazon.com
5.
 
Fujifilm XF10 113 mm 64 mm 41 mm 279 g 330 n Jul 2018 US$ 499ebay.com
6.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 US$ 5 999 amazon.com
7.
 
Nikon Z fc 135 mm 94 mm 44 mm 445 g 300 n Jun 2021 US$ 959 amazon.com
8.
 
Ricoh GR II 117 mm 63 mm 35 mm 251 g 320 n Jun 2015 US$ 699ebay.com
9.
 
Ricoh GR III 109 mm 62 mm 33 mm 257 g 200 n Feb 2019 US$ 899 amazon.com
10.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 US$ 1 699ebay.com
11.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 US$ 2 299ebay.com
12.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 US$ 2 499ebay.com
13.
 
Sony RX1R II 113 mm 65 mm 72 mm 507 g 220 n Oct 2015 US$ 3 299ebay.com
14.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 US$ 999ebay.com
15.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 US$ 1 199ebay.com
16.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 US$ 1 199 amazon.com
17.
 
Sony ZV-1 105 mm 60 mm 44 mm 294 g 260 n May 2020 US$ 799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The GR IIIx was launched at a markedly lower price (by 80 percent) than the RX1R III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Ricoh GR IIIx features an APS-C sensor and the Sony RX1R III a full frame sensor. The sensor area in the RX1R III is 132 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Ricoh GR IIIx and Sony RX1R III sensor measures

With 60.2MP, the RX1R III offers a higher resolution than the GR IIIx (24MP), but the RX1R III has smaller individual pixels (pixel pitch of 3.76μm versus 3.91μm for the GR IIIx). Yet, the RX1R III is a much more recent model (by 3 years and 10 months) than the GR IIIx, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony RX1R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX1R III for good quality output (200 dots per inch) amounts to 47.5 x 31.7 inches or 120.7 x 80.5 cm, for very good quality (250 dpi) 38 x 25.3 inches or 96.6 x 64.4 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inches or 80.5 x 53.6 cm. The corresponding values for the Ricoh GR IIIx are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The Ricoh GR IIIx has a native sensitivity range from ISO 100 to ISO 102400. The corresponding ISO settings for the Sony Cyber-shot DSC-RX1R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the GR IIIx is build around a CMOS sensor, while the RX1R III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

GR IIIx versus RX1R III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Ricoh GR IIIx APS-C 24.0 6000 40001080/60p24.213.8214685
2.
 
Sony RX1R III Full Frame 60.2 9504 63364K/30p25.414.9341797
3.
 
Fujifilm X-E4 APS-C 26.0 6240 41604K/30p24.213.7208585
4.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
5.
 
Fujifilm XF10 APS-C 24.0 6000 40004K/15p24.013.4184483
6.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
7.
 
Nikon Z fc APS-C 20.7 5568 37124K/30p24.213.8213185
8.
 
Ricoh GR II APS-C 16.1 4928 32641080/30p23.613.7107880
9.
 
Ricoh GR III APS-C 24.0 6000 40001080/60p24.113.5189783
10.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
11.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
12.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
13.
 
Sony RX1R II Full Frame 42.2 7952 53041080/60p25.813.9320497
14.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
15.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
16.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
17.
 
Sony ZV-1 1-inch 20.0 5472 36484K/30p22.212.666966
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the RX1R III provides a better video resolution than the GR IIIx. It can shoot movie footage at 4K/30p, while the Ricoh is limited to 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX1R III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GR IIIx relies on live view and the rear LCD for framing. That said, the GR IIIx can be equipped with an optional viewfinder – the GV-3. The adjacent table lists some of the other core features of the Ricoh GR IIIx and Sony RX1R III along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Ricoh GR IIIxoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
2.
 
Sony RX1R III2360 n3.0 / 2360 fixed Y 1/4000s 5.0/s n n
3.
 
Fujifilm X-E42360 n3.0 / 1620 tilting Y 1/4000s 8.0/s n n
4.
 
Fujifilm X-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
5.
 
Fujifilm XF10none n3.0 / 1040 fixed Y 1/4000s 6.0/s Y n
6.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
7.
 
Nikon Z fc2360 Y3.0 / 1040 swivel Y 1/4000s 11.0/s n n
8.
 
Ricoh GR IIoptional n3.0 / 1230 fixed n 1/4000s 4.0/s Y n
9.
 
Ricoh GR IIIoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
10.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
11.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
12.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
13.
 
Sony RX1R II2360 n3.0 / 1229 tilting n 1/4000s 5.0/s n n
14.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
15.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y Y
16.
 
Sony RX100 VII2359 n3.0 / 921 tilting Y 1/2000s 90.0/s Y Y
17.
 
Sony ZV-1none n3.0 / 922 swivel Y 1/2000s 24.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the RX1R III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Ricoh GR IIIx and the Sony RX1R III both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Both the GR IIIx and the RX1R III have built-in prime lenses. The GR IIIx has a 40mm f/2.8 optic and the RX1R III offers a 35mm f/2.0 (focal lengths in full frame equivalent terms). Hence, the Ricoh provides more tele-photo reach than the Sony. The RX1R III offers the faster maximum aperture.

Concerning the storage of imaging data, both the GR IIIx and the RX1R III write their files to SDXC cards. The RX1R III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the GR IIIx can use UHS-I cards (up to 104 MB/s).

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Ricoh GR IIIx and Sony Cyber-shot DSC-RX1R III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Ricoh GR IIIxYstereo / mono---3.0Y-Y
2.
 
Sony RX1R IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm X-E4Ystereo / monoY-micro3.2Y-Y
4.
 
Fujifilm X-S10Ystereo / monoY-micro3.2Y-Y
5.
 
Fujifilm XF10-stereo / monoY-micro2.0Y-Y
6.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
7.
 
Nikon Z fcYstereo / monoY-micro3.2Y-Y
8.
 
Ricoh GR IIYstereo / mono--micro2.0YY-
9.
 
Ricoh GR IIIYstereo / mono---3.0Y-Y
10.
 
Sony A7Ystereo / monoYYmicro2.0YY-
11.
 
Sony A7RYstereo / monoYYmicro2.0YY-
12.
 
Sony A7SYstereo / monoYYmicro2.0YY-
13.
 
Sony RX1R IIYstereo / monoY-micro2.0YY-
14.
 
Sony RX100 V-stereo / mono--micro2.0YY-
15.
 
Sony RX100 VI-stereo / mono--micro2.0YYY
16.
 
Sony RX100 VII-stereo / monoY-micro2.0YYY
17.
 
Sony ZV-1Ystereo / monoY-micro2.0Y-Y

It is notable that the RX1R III has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The GR IIIx does not feature such a mic input.

Both the GR IIIx and the RX1R III are recent models that are part of the current product line-up. The GR IIIx replaced the earlier Ricoh GR II, while the RX1R III followed on from the Sony RX1R II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Ricoh and Sony websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Ricoh GR IIIx and the Sony RX1R III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Ricoh GR IIIx:

  • More compact: Is smaller (109x62mm vs 113x68mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 236g or 47 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2021).

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Arguments in favor of the Sony Cyber-shot DSC-RX1R III:

  • More detail: Has more megapixels (60.2 vs 24MP), which boosts linear resolution by 58%.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1037k dots).
  • Faster burst: Shoots at higher frequency (5 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Better light gathering: Has a lens with a wider maximum aperture (f/2.0 vs f/2.8).
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • Longer lasting: Gets more shots (300 versus 200) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 10 months of technical progress since the GR IIIx launch.

If the count of individual advantages (bullet points above) is taken as a guide, the RX1R III is the clear winner of the contest (18 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GR IIIx 05:18 RX1R III

How about other alternatives? Do the specifications of the Ricoh GR IIIx and the Sony RX1R III place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the GR IIIx or the RX1R III perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Ricoh GR IIIx....4.5/5...... Sep 2021 US$ 999 amazon.com
2.
 
Sony RX1R III............ Jul 2025 US$ 5 099 amazon.com
3.
 
Fujifilm X-E44/5..4/5..4.5/54/5 Jan 2021 US$ 849ebay.com
4.
 
Fujifilm X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 US$ 999 amazon.com
5.
 
Fujifilm XF10....4/575/1004/54.5/5 Jul 2018 US$ 499ebay.com
6.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 US$ 5 999 amazon.com
7.
 
Nikon Z fc4/5..4.5/586/1005/54.5/5 Jun 2021 US$ 959 amazon.com
8.
 
Ricoh GR II........4.5/54.5/5 Jun 2015 US$ 699ebay.com
9.
 
Ricoh GR III4/5..3.5/581/1004/5.. Feb 2019 US$ 899 amazon.com
10.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
11.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 US$ 2 299ebay.com
12.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 US$ 2 499ebay.com
13.
 
Sony RX1R II5/5....82/100..4.5/5 Oct 2015 US$ 3 299ebay.com
14.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 US$ 999ebay.com
15.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 US$ 1 199ebay.com
16.
 
Sony RX100 VII4.5/5..4/5..4/55/5 Jul 2019 US$ 1 199 amazon.com
17.
 
Sony ZV-14/5+4/585/1004/54.5/5 May 2020 US$ 799ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check GR IIIx price at
amazon.com
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Check RX1R III price at
amazon.com

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Ricoh GR IIIx vs Sony RX1R III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Ricoh GR IIIx Sony RX1R III
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 40mm f/2.8 35mm f/2.0
    Launch Date September 2021 July 2025
    Launch Price USD 999 USD 5,099
    Sensor Specs Ricoh GR IIIx Sony RX1R III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.7 x 23.8 mm
    Sensor Area 366.6 mm2 849.66 mm2
    Sensor Diagonal 28.2 mm 42.9 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 24 Megapixels 60.2 Megapixels
    Image Resolution 6000 x 4000 pixels 9504 x 6336 pixels
    Pixel Pitch 3.91 μm 3.76 μm
    Pixel Density 6.55 MP/cm2 7.09 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100 - 102,400 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Image Processor GR Engine VI BIONZ XR
    Screen Specs Ricoh GR IIIx Sony RX1R III
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.7x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 2360k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Ricoh GR IIIx Sony RX1R III
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 4 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationno handshake reduction
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Ricoh GR IIIx Sony RX1R III
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.0 USB 3.2
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Ricoh GR IIIx Sony RX1R III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Ricoh DB-110 Sony NP-FW50
    Battery Life (CIPA)200 shots per charge300 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 109 x 62 x 35 mm
    (4.3 x 2.4 x 1.4 in)
    113 x 68 x 88 mm
    (4.4 x 2.7 x 3.5 in)
    Camera Weight 262 g (9.2 oz) 498 g (17.6 oz)
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    Check GR IIIx price at
    amazon.com
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    Check RX1R III price at
    amazon.com

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