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Olympus E-P3 vs Sony RX100 IV

The Olympus PEN E-P3 and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were announced, respectively, in June 2011 and June 2015. The E-P3 is a mirrorless interchangeable lens camera, while the RX100 IV is a fixed lens compact. The cameras are based on a Four Thirds (E-P3) and an one-inch (RX100 IV) 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 RX100 IV
Olympus E-P3   Sony RX100 IV
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 24-70mm f/1.8-2.8
12.2 MP – Four Thirds sensor 20 MP – 1" sensor
1080/60i Video 4K/30p Video
ISO 200-12,800 ISO 125-12,800 (80 - 25,600)
Viewfinder optional Electronic viewfinder (2359k dots)
3.0" LCD – 614k dots 3.0" LCD – 1228k dots
Fixed touchscreen Tilting screen (no touchscreen)
3 shutter flaps per second 16 shutter flaps per second
In-body stabilizationLens-based stabilization
330 shots per battery charge280 shots per battery charge
122 x 69 x 34 mm, 369 g 102 x 58 x 41 mm, 298 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-RX100 IV? 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 RX100 IV is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-P3 can be obtained in three different colors (black, silver, white), while the RX100 IV is only available in black.

Size Olympus E-P3 vs Sony RX100 IV
Compare E-P3 versus RX100 IV top
Comparison E-P3 or RX100 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 IV is notably smaller (30 percent) than the Olympus E-P3. In this context, it is worth noting that neither the E-P3 nor the RX100 IV are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 IV 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 RX100 IV can take 280 images on a single charge of its Sony NP-BX1 power pack. The power pack in the RX100 IV 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image 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 RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
4.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
5.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
6.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
7.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
8.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
9.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
10.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
11.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
12.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
13.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
14.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
15.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
16.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
17.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.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 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. 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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 are more costly to manufacture and tend to 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 RX100 IV an one-inch sensor. The sensor area in the RX100 IV 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 RX100 IV offers a 3:2 aspect.

Olympus E-P3 and Sony RX100 IV sensor measures

Despite having a smaller sensor, the RX100 IV 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 RX100 IV is much more recent (by 3 years and 11 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 RX100 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX100 IV 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-RX100 IV are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

In terms of underlying technology, the E-P3 is build around a CMOS sensor, while the RX100 IV 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 RX100 IV 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. Of the two cameras under consideration, the RX100 IV offers substantially better image quality than the E-P3 (overall score 19 points higher). The advantage is based on 2 bits higher color depth, 2.5 EV in additional dynamic range, and 0.1 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image 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 RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
5.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
6.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
7.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
8.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
9.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
10.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
11.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
12.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
13.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
14.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
15.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
16.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
17.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
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Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the RX100 IV 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

Beyond body and sensor, cameras can and do differ across a range of features. For example, the RX100 IV 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 RX100 IV along with similar information for a selection of comparators.

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Core Features
# image 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 RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
3.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
4.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
5.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
6.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
7.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
8.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
9.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
10.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
11.
 
Olympus E-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
12.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
13.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
14.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
15.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
16.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
17.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-P3 has a touchscreen, while the RX100 IV has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The RX100 IV has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-P3 does not have a selfie-screen.

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 RX100 IV 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 RX100 IV 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-RX100 IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image 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 RX100 IV-stereo / mono--micro2.0YY-
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
5.
 
Olympus E-PL5Ystereo / mono--mini2.0---
6.
 
Olympus E-PL2Ystereo / ---mini2.0---
7.
 
Olympus E-PL3Ystereo / ---mini2.0---
8.
 
Olympus E-PM1Ystereo / mono--mini2.0---
9.
 
Olympus E-PL1Ystereo / ---mini2.0---
10.
 
Olympus E-P1Ystereo / ---mini2.0---
11.
 
Olympus E-P2Ystereo / ---mini2.0---
12.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
13.
 
Panasonic GX1Ystereo / mono--mini2.0---
14.
 
Panasonic G10Ymono / ---mini2.0---
15.
 
Sony RX100 V-stereo / mono--micro2.0YY-
16.
 
Sony RX100 III-stereo / mono--micro2.0YY-
17.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
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It is notable that the E-P3 has a hotshoe, while the RX100 IV does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the E-P3 and the RX100 IV have been discontinued, but can regularly be found used on ebay. The E-P3 was replaced by the Olympus E-P5, while the RX100 IV was followed by the Sony RX100 IV. Further information on the features and operation of the E-P3 and RX100 IV can be found, respectively, in the Olympus E-P3 Manual (free pdf) or the online Sony RX100 IV Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Olympus E-P3 and the Sony RX100 IV? Which camera is better? The listing below highlights the relative strengths of the two models.

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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.
  • Longer lasting: Can take more shots (330 versus 280) on a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in June 2011).

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Advantages of the Sony Cyber-shot DSC-RX100 IV:

  • 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 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).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 614k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (16 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.
  • More compact: Is smaller (102x58mm vs 122x69mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-P3).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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 3 years and 11 months of technical progress since the E-P3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the RX100 IV is the clear winner of the contest (18 : 6 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.

E-P3 06:18 RX100 IV

How about other alternatives? Do the specifications of the Olympus E-P3 and the Sony RX100 IV place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Travel-Zoom 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 remains incomplete and does no justice, for example, to the way the E-P3 or the RX100 IV perform in practice. 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
# image  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 RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
4.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
5.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
6.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
7.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
8.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
9.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
10.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
11.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
12.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
13.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
14.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
15.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
16.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
17.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted 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 comparisons of ratings among very different cameras or across long time periods 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 use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Olympus E-P3 vs Sony RX100 IV

    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 RX100 IV
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 24-70mm f/1.8-2.8
    Launch Date June 2011 June 2015
    Launch Price USD 799 USD 999
    Sensor Specs Olympus E-P3 Sony RX100 IV
    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 125 - 12,800 ISO
    ISO Boost no Enhancement 80 - 25,600 ISO
    Image Processor TruePic VI BIONZ X
    DXO Sensor Quality (score) 51 70
    DXO Color Depth (bits) 20.8 22.8
    DXO Dynamic Range (EV) 10.1 12.6
    DXO Low Light (ISO) 536 591
    Screen Specs Olympus E-P3 Sony RX100 IV
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.59x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 614k dots 1228k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-P3 Sony RX100 IV
    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 16 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 RX100 IV
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Olympus E-P3 Sony RX100 IV
    Battery Type Olympus BLS-5 Sony NP-BX1
    Battery Life (CIPA)330 shots per charge280 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)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 369 g (13.0 oz) 298 g (10.5 oz)
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    Check E-P3 offers at
    ebay.com
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    Check RX100 IV offers at
    ebay.com

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