Canon G16 vs Olympus E-M10

The Canon PowerShot G16 and the Olympus OM-D E-M10 are two digital cameras that were officially introduced, respectively, in August 2013 and January 2014. The G16 is a fixed lens compact, while the E-M10 is a mirrorless interchangeable lens camera. The cameras are based on a 1/1.7-inch (G16) and a Four Thirds (E-M10) sensor. The Canon has a resolution of 12 megapixels, whereas the Olympus provides 15.9 MP.

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

Headline Specifications

Canon G16		Olympus E-M10
Fixed lens compact camera		Mirrorless system camera
28-140mm f/1.8-2.8		Micro Four Thirds lenses
12 MP – 1/1.7" sensor		15.9 MP – Four Thirds sensor
1080/60p Video		1080/30p Video
ISO 80-12,800		ISO 200-25,600
Optical viewfinder		Electronic viewfinder (1440k dots)
3.0" LCD – 922k dots		3.0" LCD – 1037k dots
Fixed screen (not touch-sensitive)		Tilting touchscreen
2.2 shutter flaps per second		8 shutter flaps per second
Lens-based stabilization		In-body stabilization
360 shots per battery charge		320 shots per battery charge
109 x 76 x 40 mm, 356 g		119 x 82 x 46 mm, 396 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G16 and the Olympus OM-D E-M10? 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.

Body comparison

The physical size and weight of the Canon G16 and the Olympus E-M10 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-M10 can be obtained in two different colors (black, silver), while the G16 is only available in black.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 is notably larger (18 percent) than the Canon G16. In this context, it is worth noting that neither the G16 nor the E-M10 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G16 has a lens built in, whereas the E-M10 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M10 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the G16 gets 360 shots out of its Canon NB-10L battery, while the E-M10 can take 320 images on a single charge of its Olympus BLS-5 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Canon G16	109 mm	76 mm	40 mm	356 g	360	n	Aug 2013	EUR 599	ebay.com
2.		Olympus E-M10	119 mm	82 mm	46 mm	396 g	320	n	Jan 2014	EUR 599	ebay.com
3.		Canon 100D	117 mm	91 mm	69 mm	407 g	380	n	Mar 2013	EUR 499	ebay.com
4.		Canon G1 X	117 mm	81 mm	65 mm	534 g	250	n	Jan 2012	EUR 749	ebay.com
5.		Canon G1 X Mark II	116 mm	74 mm	66 mm	553 g	240	n	Feb 2014	EUR 849	ebay.com
6.		Canon G12	112 mm	76 mm	48 mm	401 g	370	n	Sep 2010	EUR 549	ebay.com
7.		Canon G15	107 mm	76 mm	40 mm	352 g	350	n	Sep 2012	EUR 579	ebay.com
8.		Canon M	109 mm	66 mm	32 mm	298 g	230	n	Jul 2012	EUR 599	ebay.com
9.		Fujifilm X20	117 mm	70 mm	57 mm	353 g	270	n	Jan 2013	EUR 549	ebay.com
10.		Fujifilm X30	119 mm	72 mm	60 mm	423 g	470	n	Aug 2014	EUR 549	ebay.com
11.		Nikon P7800	119 mm	78 mm	50 mm	399 g	350	n	Sep 2013	EUR 549	ebay.com
12.		Olympus E-M10 II	120 mm	83 mm	47 mm	390 g	320	n	Aug 2015	EUR 599	ebay.com
13.		Olympus E-P5	122 mm	69 mm	37 mm	420 g	330	n	May 2013	EUR 999	ebay.com
14.		Olympus E-PL5	111 mm	64 mm	38 mm	325 g	360	n	Sep 2012	EUR 599	ebay.com
15.		Olympus E-PL6	111 mm	64 mm	38 mm	325 g	360	n	May 2013	EUR 599	ebay.com
16.		Olympus E-PL7	115 mm	67 mm	38 mm	357 g	350	n	Aug 2014	EUR 599	ebay.com
17.		Panasonic LX7	111 mm	68 mm	46 mm	298 g	330	n	Jul 2012	EUR 529	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. 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 G16 was launched at a lower price than the E-M10, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. 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 generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the 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 Canon G16 features a 1/1.7-inch sensor and the Olympus E-M10 a Four Thirds sensor. The sensor area in the E-M10 is 436 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.65 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

With 15.9MP, the E-M10 offers a higher resolution than the G16 (12MP), but the E-M10 nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 1.87μm for the G16) due to its larger sensor. Moreover, the E-M10 is a somewhat more recent model (by 5 months) than the G16, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the E-M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M10 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M10 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Canon G16 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The Canon PowerShot G16 has a native sensitivity range from ISO 80 to ISO 12800. The corresponding ISO settings for the Olympus OM-D E-M10 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the G16 is build around a BSI-CMOS sensor, while the E-M10 uses a 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.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the E-M10 offers substantially better image quality than the G16 (overall score 18 points higher). The advantage is based on 1.8 bits higher color depth, 0.6 EV in additional dynamic range, and 1.9 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Canon G16	1/1.7	12.0	4000	3000	1080/60p	21.0	11.7	230	54
2.		Olympus E-M10	Four Thirds	15.9	4608	3456	1080/30p	22.8	12.3	884	72
3.		Canon 100D	APS-C	17.9	5184	3456	1080/30p	21.8	11.3	843	63
4.		Canon G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
5.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
6.		Canon G12	1/1.7	10.0	3648	2736	720/24p	20.4	11.2	161	47
7.		Canon G15	1/1.7	12.0	4000	3000	1080/24p	19.9	11.5	165	46
8.		Canon M	APS-C	17.9	5184	3456	1080/30p	22.1	11.2	827	65
9.		Fujifilm X20	2/3	12.0	4000	3000	1080/60p	20.1	10.9	-462	46
10.		Fujifilm X30	2/3	12.0	4000	3000	1080/60p	20.4	11.2	-312	49
11.		Nikon P7800	1/1.7	12.0	4000	3000	1080/30p	21.2	11.7	200	54
12.		Olympus E-M10 II	Four Thirds	15.9	4608	3456	1080/60p	23.1	12.5	842	73
13.		Olympus E-P5	Four Thirds	15.9	4608	3456	1080/30p	22.8	12.4	895	72
14.		Olympus E-PL5	Four Thirds	15.9	4608	3456	1080/30p	22.8	12.3	889	72
15.		Olympus E-PL6	Four Thirds	15.9	4608	3456	1080/30p	22.5	12.0	717	68
16.		Olympus E-PL7	Four Thirds	15.9	4608	3456	1080/30p	22.7	12.4	873	72
17.		Panasonic LX7	1/1.7	10.0	3648	2736	1080/60p	20.7	11.7	147	50
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G16 provides a higher frame rate than the E-M10. It can shoot video footage at 1080/60p, while the Olympus is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M10 has an electronic viewfinder (1440k dots), while the G16 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The following table reports on some other key feature differences and similarities of the Canon G16, the Olympus E-M10, and comparable cameras.

Core Features

		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.		Canon G16	optical	n	3.0 / 922	fixed	n	1/4000s	2.2/s	Y	Y
2.		Olympus E-M10	1440	n	3.0 / 1037	tilting	Y	1/4000s	8.0/s	Y	Y
3.		Canon 100D	optical	n	3.0 / 1040	fixed	Y	1/4000s	4.9/s	Y	n
4.		Canon G1 X	optical	n	3.0 / 922	swivel	n	1/4000s	1.9/s	Y	Y
5.		Canon G1 X Mark II	optional	n	3.0 / 1040	tilting	Y	1/4000s	5.2/s	Y	Y
6.		Canon G12	optical	n	2.8 / 461	swivel	n	1/4000s	1.1/s	Y	Y
7.		Canon G15	optical	n	3.0 / 922	fixed	n	1/4000s	2.1/s	Y	Y
8.		Canon M	none	n	3.0 / 1040	fixed	Y	1/4000s	4.3/s	n	n
9.		Fujifilm X20	optical	n	2.8 / 460	fixed	n	1/4000s	12.0/s	Y	Y
10.		Fujifilm X30	2360	n	3.0 / 920	tilting	n	1/4000s	12.0/s	Y	Y
11.		Nikon P7800	921	n	3.0 / 921	swivel	n	1/4000s	8.0/s	Y	Y
12.		Olympus E-M10 II	2360	n	3.0 / 1040	tilting	Y	1/4000s	8.0/s	Y	Y
13.		Olympus E-P5	optional	n	3.0 / 1037	tilting	Y	1/8000s	9.0/s	Y	Y
14.		Olympus E-PL5	optional	n	3.0 / 460	tilting	Y	1/4000s	8.0/s	n	Y
15.		Olympus E-PL6	optional	n	3.0 / 460	tilting	Y	1/4000s	8.0/s	n	Y
16.		Olympus E-PL7	optional	n	3.0 / 1037	tilting	Y	1/4000s	8.0/s	n	Y
17.		Panasonic LX7	optional	n	3.0 / 920	fixed	n	1/4000s	11.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M10 has a touchscreen, while the G16 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon G16 and the Olympus E-M10 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.

Concerning the storage of imaging data, both the G16 and the E-M10 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of 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 Canon PowerShot G16 and Olympus OM-D E-M10 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections

		Camera Model	Hotshoe Port	Internal Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon G16	Y	stereo / mono	-	-	mini	2.0	Y	-	-
2.		Olympus E-M10	Y	stereo / mono	-	-	micro	2.0	Y	-	-
3.		Canon 100D	Y	mono / mono	Y	-	mini	2.0	-	-	-
4.		Canon G1 X	Y	stereo / mono	-	-	mini	2.0	-	-	-
5.		Canon G1 X Mark II	Y	stereo / mono	-	-	mini	2.0	Y	Y	-
6.		Canon G12	Y	stereo / mono	-	-	mini	2.0	-	-	-
7.		Canon G15	Y	stereo / mono	-	-	mini	2.0	-	-	-
8.		Canon M	Y	stereo / mono	Y	-	mini	2.0	-	-	-
9.		Fujifilm X20	Y	stereo / mono	-	-	micro	2.0	-	-	-
10.		Fujifilm X30	Y	stereo / mono	-	-	micro	2.0	Y	-	-
11.		Nikon P7800	Y	stereo / mono	Y	-	mini	2.0	-	-	-
12.		Olympus E-M10 II	Y	stereo / mono	-	-	micro	2.0	Y	-	-
13.		Olympus E-P5	Y	stereo / mono	-	-	micro	2.0	Y	-	-
14.		Olympus E-PL5	Y	stereo / mono	-	-	mini	2.0	-	-	-
15.		Olympus E-PL6	Y	stereo / mono	-	-	mini	2.0	-	-	-
16.		Olympus E-PL7	Y	stereo / mono	-	-	micro	2.0	Y	-	-
17.		Panasonic LX7	Y	stereo / mono	-	-	mini	2.0	-	-	-

Both the G16 and the E-M10 have been discontinued, but can regularly be found used on ebay. The E-M10 was replaced by the Olympus E-M10 II, while the G16 does not have a direct successor. Further information on the features and operation of the G16 and E-M10 can be found, respectively, in the Canon G16 Manual (free pdf) or the online Olympus E-M10 Manual.

Review summary

So how do things add up? Is the Canon G16 better than the Olympus E-M10 or vice versa? The listing below highlights the relative strengths of the two models.

Arguments in favor of the Canon PowerShot G16:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
• Brighter framing: Features an optical viewfinder for clear, lag-free composition.
• Ready to shoot: Has a lens built-in, whereas the E-M10 requires a separate lens.
• More compact: Is smaller (109x76mm vs 119x82mm) and thus needs less room in the bag.
• Less heavy: Is lighter even though it comes with a built-in lens (unlike the E-M10).
• Longer lasting: Can take more shots (360 versus 320) on a single battery charge.
• More affordable: Was introduced at a lower price, despite coming with a built-in lens.
• More heavily discounted: Has been on the market for longer (launched in August 2013).

Reasons to prefer the Olympus OM-D E-M10:

• More detail: Has more megapixels (15.9 vs 12MP), which boosts linear resolution by 15%.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• Better image quality: Scores substantially higher (18 points) in the DXO overall evaluation.
• Richer colors: Generates noticeably more natural colors (1.8 bits more color depth).
• More dynamic range: Captures a broader range of light and dark details (0.6 EV of extra DR).
• Better low-light sensitivity: Can shoot in dim conditions (1.9 stops ISO advantage).
• More framing info: Has an electronic viewfinder that displays shooting data.
• More detailed LCD: Has a higher resolution rear screen (1037k vs 922k dots).
• More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
• Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
• Faster burst: Shoots at higher frequency (8 vs 2.2 flaps/sec) to capture the decisive moment.
• More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
• More modern: Was introduced somewhat (5 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 is the clear winner of the contest (13 : 9 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

How about other alternatives? Do the specifications of the Canon G16 and the Olympus E-M10 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the G16 and the E-M10 in practical situations. 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 why expert reviews are important. 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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price	Street Price
1.		Canon G16	4/5	+	..	..	4.5/5	4.5/5	Aug 2013	EUR 599	ebay.com
2.		Olympus E-M10	4/5	..	..	80/100	5/5	5/5	Jan 2014	EUR 599	ebay.com
3.		Canon 100D	4/5	+	..	78/100	4/5	4/5	Mar 2013	EUR 499	ebay.com
4.		Canon G1 X	5/5	+	..	76/100	4/5	4.5/5	Jan 2012	EUR 749	ebay.com
5.		Canon G1 X Mark II	3/5	+	..	77/100	4/5	4.5/5	Feb 2014	EUR 849	ebay.com
6.		Canon G12	4/5	+	..	73/100	4.5/5	4.5/5	Sep 2010	EUR 549	ebay.com
7.		Canon G15	4/5	+	..	76/100	4.5/5	4.5/5	Sep 2012	EUR 579	ebay.com
8.		Canon M	3/5	+	..	..	4/5	4/5	Jul 2012	EUR 599	ebay.com
9.		Fujifilm X20	4/5	+ +	..	77/100	4.5/5	5/5	Jan 2013	EUR 549	ebay.com
10.		Fujifilm X30	4/5	..	..	76/100	4.5/5	4.5/5	Aug 2014	EUR 549	ebay.com
11.		Nikon P7800	3/5	..	..	..	4/5	4.5/5	Sep 2013	EUR 549	ebay.com
12.		Olympus E-M10 II	4.5/5	+ +	..	80/100	5/5	5/5	Aug 2015	EUR 599	ebay.com
13.		Olympus E-P5	5/5	+ +	..	78/100	4.5/5	5/5	May 2013	EUR 999	ebay.com
14.		Olympus E-PL5	3/5	+ +	..	..	4.5/5	4.5/5	Sep 2012	EUR 599	ebay.com
15.		Olympus E-PL6	..	..	..	..	..	..	May 2013	EUR 599	ebay.com
16.		Olympus E-PL7	4/5	+	..	..	5/5	4/5	Aug 2014	EUR 599	ebay.com
17.		Panasonic LX7	3/5	+ +	..	75/100	4/5	4.5/5	Jul 2012	EUR 529	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

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