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Olympus E-P3 vs Sony RX10 III

The Olympus PEN E-P3 and the Sony Cyber-shot DSC-RX10 III are two enthusiast cameras that were revealed to the public, respectively, in June 2011 and March 2016. The E-P3 is a mirrorless interchangeable lens camera, while the RX10 III is a fixed lens compact. The cameras are based on a Four Thirds (E-P3) and an one-inch (RX10 III) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Olympus E-P3
versus
Sony RX10 III
Olympus E-P3   Sony RX10 III
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 24-600mm f/2.4-4.0
12.2 MP – Four Thirds sensor 20 MP – 1" sensor
1080/60i Video 4K/30p Video
ISO 200-12,800 ISO 100-12,800 (64 - 25,600)
Viewfinder optional Electronic viewfinder (2359k dots)
3.0" LCD – 614k dots 3.0" LCD – 1229k dots
Fixed touchscreen Tilting screen (no touchscreen)
3 shutter flaps per second 14 shutter flaps per second
In-body stabilizationLens-based stabilization
not weather sealedWeathersealed body
330 shots per battery charge420 shots per battery charge
122 x 69 x 34 mm, 369 g 133 x 94 x 127 mm, 1051 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P3 and the Sony Cyber-shot DSC-RX10 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

An illustration of the physical size and weight of the Olympus E-P3 and the Sony RX10 III is provided 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 size dimensions are rounded to the nearest millimeter.

The E-P3 can be obtained in three different colors (black, silver, white), while the RX10 III is only available in black.

Size Olympus E-P3 vs Sony RX10 III
Compare E-P3 versus RX10 III top
Comparison E-P3 or RX10 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX10 III is considerably larger (49 percent) than the Olympus E-P3. It is noteworthy in this context that the RX10 III is splash and dust-proof, while the E-P3 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX10 III has a lens built in, whereas the E-P3 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-P3 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-P3 gets 330 shots out of its Olympus BLS-5 battery, while the RX10 III can take 420 images on a single charge of its Sony NP-FW50 power pack. The power pack in the RX10 III can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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 (USD)
Street
Price
1.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
2.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499ebay.com
3.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
4.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
5.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
6.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
7.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
8.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
9.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
10.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
11.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
12.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
13.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
14.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299ebay.com
15.
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299ebay.com
16.
 
Sony RX10 IV 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 1,699 amazon.com
17.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. 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 size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-P3 features a Four Thirds sensor and the Sony RX10 III an one-inch sensor. The sensor area in the RX10 III is 48 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 2.7. The sensor in the E-P3 has a native 4:3 aspect ratio, while the one in the RX10 III offers a 3:2 aspect.

Olympus E-P3 and Sony RX10 III sensor measures

Despite having a smaller sensor, the RX10 III offers a higher resolution of 20 megapixels, compared with 12.2 MP of the E-P3. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 4.29μm for the E-P3). However, it should be noted that the RX10 III is much more recent (by 4 years and 9 months) than the E-P3, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Sony RX10 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX10 III for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Olympus E-P3 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The Olympus PEN E-P3 has a native sensitivity range from ISO 200 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX10 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 64-25600.

In terms of underlying technology, the E-P3 is build around a CMOS sensor, while the RX10 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.

E-P3 versus RX10 III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the RX10 III offers substantially better image quality than the E-P3 (overall score 19 points higher). The advantage is based on 2.3 bits higher color depth, 2.5 EV in additional dynamic range, and 0.2 stops of reduced 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.

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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.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
2.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
3.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
4.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
5.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
6.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
7.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
8.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
9.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
10.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
11.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
12.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
13.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
14.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469
15.
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170
16.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
17.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
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. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the RX10 III provides a better video resolution than the E-P3. It can shoot movie footage at 4K/30p, while the Olympus is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX10 III has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-P3 relies on live view and the rear LCD for framing. That said, the E-P3 can be equipped with an optional viewfinder – the VF-3. The adjacent table lists some of the other core features of the Olympus E-P3 and Sony RX10 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.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
2.
 
Sony RX10 III2359 Y3.0 / 1229 tilting n 1/2000s 14.0/s Y Y
3.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
4.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
5.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
6.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
7.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
8.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
9.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
10.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
11.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
12.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
13.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
14.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/s Y Y
15.
 
Sony RX10 II2359 Y3.0 / 1229 tilting n 1/3200s 14.0/s Y Y
16.
 
Sony RX10 IV2359 Y3.0 / 1440 tilting Y 1/2000s 24.0/s Y Y
17.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/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-P3 has a touchscreen, while the RX10 III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 RX10 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 E-P3 writes its imaging data to SDXC cards, while the RX10 III uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 Olympus PEN E-P3 and Sony Cyber-shot DSC-RX10 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.
 
Olympus E-P3Ystereo / ---mini2.0---
2.
 
Sony RX10 IIIYstereo / monoYYmicro2.0YY-
3.
 
Olympus E-P1Ystereo / ---mini2.0---
4.
 
Olympus E-P2Ystereo / ---mini2.0---
5.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
6.
 
Olympus E-PL1Ystereo / ---mini2.0---
7.
 
Olympus E-PL2Ystereo / ---mini2.0---
8.
 
Olympus E-PL3Ystereo / ---mini2.0---
9.
 
Olympus E-PL5Ystereo / mono--mini2.0---
10.
 
Olympus E-PM1Ystereo / mono--mini2.0---
11.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
12.
 
Panasonic G10Ymono / ---mini2.0---
13.
 
Panasonic GX1Ystereo / mono--mini2.0---
14.
 
Sony RX10Ystereo / monoYYmicro2.0YY-
15.
 
Sony RX10 IIYstereo / monoYYmicro2.0YY-
16.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-
17.
 
Sony RX100 V-stereo / mono--micro2.0YY-

It is notable that the RX10 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-P3 does not provide wifi capability.

Both the E-P3 and the RX10 III have been discontinued, but can regularly be found used on ebay. The E-P3 was replaced by the Olympus E-P5, while the RX10 III was followed by the Sony RX10 IV. Further information on the features and operation of the E-P3 and RX10 III can be found, respectively, in the Olympus E-P3 Manual (free pdf) or the online Sony RX10 III Manual.

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Review summary

So how do things add up? Which of the two cameras – the Olympus E-P3 or the Sony RX10 III – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Olympus PEN E-P3:

  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • More compact: Is smaller (122x69mm vs 133x94mm) and thus needs less room in the bag.
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Advantages of the Sony Cyber-shot DSC-RX10 III:

  • More detail: Has more megapixels (20 vs 12.2MP), which boosts linear resolution by 30%.
  • Better image quality: Scores substantially higher (19 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.5 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • 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.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 614k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (14 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Has an integrated lens, whereas the E-P3 necessitates an extra lens.
  • Longer lasting: Gets more shots (420 versus 330) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Reflects 4 years and 9 months of technical progress since the E-P3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the RX10 III is the clear winner of the contest (20 : 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 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.

E-P3 05:20 RX10 III

How about other alternatives? Do the specifications of the Olympus E-P3 and the Sony RX10 III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the E-P3 and the RX10 III in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 (USD)
Street
Price
1.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
2.
 
Sony RX10 III5/5+..84/1004.5/54.5/5 Mar 2016 1,499ebay.com
3.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
4.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
5.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
6.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
7.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
8.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
9.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
10.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
11.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
12.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
13.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
14.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299ebay.com
15.
 
Sony RX10 II5/5+ +..82/1004.5/54/5 Jun 2015 1,299ebay.com
16.
 
Sony RX10 IV5/5+3.5/584/1004.5/55/5 Sep 2017 1,699 amazon.com
17.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Olympus E-P3 vs Sony RX10 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 Olympus E-P3 Sony RX10 III
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 24-600mm f/2.4-4.0
    Launch Date June 2011 March 2016
    Launch Price USD 799 USD 1,499
    Sensor Specs Olympus E-P3 Sony RX10 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor 1" Sensor
    Sensor Size 17.3 x 13.0 mm 13.2 x 8.8 mm
    Sensor Area 224.9 mm2 116.16 mm2
    Sensor Diagonal 21.6 mm 15.9 mm
    Crop Factor 2.0x 2.7x
    Sensor Resolution 12.2 Megapixels 20 Megapixels
    Image Resolution 4032 x 3024 pixels 5472 x 3648 pixels
    Pixel Pitch 4.29 μm 2.41 μm
    Pixel Density 5.42 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 200 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 64 - 25,600 ISO
    Image Processor TruePic VI BIONZ X
    DXO Sensor Quality (score) 51 70
    DXO Color Depth (bits) 20.8 23.1
    DXO Dynamic Range (EV) 10.1 12.6
    DXO Low Light (ISO) 536 472
    Screen Specs Olympus E-P3 Sony RX10 III
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 614k dots 1229k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-P3 Sony RX10 III
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/2000s
    Continuous Shooting 3 shutter flaps/s 14 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus E-P3 Sony RX10 III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-P3 Sony RX10 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-5 Sony NP-FW50
    Battery Life (CIPA)330 shots per charge420 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 122 x 69 x 34 mm
    (4.8 x 2.7 x 1.3 in)
    133 x 94 x 127 mm
    (5.2 x 3.7 x 5.0 in)
    Camera Weight 369 g (13.0 oz) 1051 g (37.1 oz)
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    Check E-P3 offers at
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    Check RX10 III offers at
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