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Olympus E-M5 II vs Sony RX100

The Olympus OM-D E-M5 Mark II and the Sony Cyber-shot DSC-RX100 are two digital cameras that were announced, respectively, in February 2015 and June 2012. The E-M5 II is a mirrorless interchangeable lens camera, while the RX100 is a fixed lens compact. The cameras are based on a Four Thirds (E-M5 II) and an one-inch (RX100) sensor. The Olympus has a resolution of 15.9 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-M5 II
versus
Sony RX100
Olympus E-M5 II   Sony RX100
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 28-100mm f/1.8-4.9
15.9 MP – Four Thirds sensor 20 MP – 1" sensor
1080/60p Video 1080/60p Video
ISO 200-25,600 ISO 100-6,400 (100 - 25,600)
Electronic viewfinder (2360k dots) No viewfinder, LCD framing
3.0" LCD – 1037k dots 3.0" LCD – 1229k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
10 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
310 shots per battery charge330 shots per battery charge
124 x 85 x 45 mm, 469 g 102 x 58 x 36 mm, 240 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M5 Mark II and the Sony Cyber-shot DSC-RX100? 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-M5 II and the Sony RX100 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-M5 II can be obtained in two different colors (black, silver), while the RX100 is only available in black.

Size Olympus E-M5 II vs Sony RX100
Compare E-M5 II versus RX100 top
Comparison E-M5 II or RX100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 is considerably smaller (44 percent) than the Olympus E-M5 II. It is worth mentioning in this context that the E-M5 II is splash and dust resistant, while the RX100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 has a lens built in, whereas the E-M5 II 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-M5 II and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-M5 II gets 310 shots out of its Olympus BLN-1 battery, while the RX100 can take 330 images on a single charge of its Sony NP-BX1 power pack. The power pack in the RX100 can be charged via the USB port, 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 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
# 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-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
2.
 
Sony RX100 102 mm 58 mm 36 mm 240 g 330 n Jun 2012 649ebay.com
3.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
4.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
5.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
6.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
7.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
8.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
9.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
10.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
11.
 
Panasonic G80 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899ebay.com
12.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
13.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549ebay.com
14.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
15.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.com
16.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749ebay.com
17.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699ebay.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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The price is, of course, an important factor in any camera decision. 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 RX100 was launched at a lower price than the E-M5 II, 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 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. 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-M5 II features a Four Thirds sensor and the Sony RX100 an one-inch sensor. The sensor area in the RX100 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-M5 II has a native 4:3 aspect ratio, while the one in the RX100 offers a 3:2 aspect.

Olympus E-M5 II and Sony RX100 sensor measures

Despite having a smaller sensor, the RX100 offers a higher resolution of 20 megapixels, compared with 15.9 MP of the E-M5 II. 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 3.76μm for the E-M5 II). Moreover, it should be noted that the E-M5 II is much more recent (by 2 years and 8 months) than the RX100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Sony RX100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX100 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-M5 II are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

Unlike the RX100, the E-M5 II has the capacity to capture high quality composite images (40MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus OM-D E-M5 Mark II has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. 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-M5 II versus RX100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 review, the E-M5 II has a notably higher overall DXO score than the RX100 (overall score 7 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.4 bits higher color depth, 0.1 EV in additional dynamic range, and 1.1 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-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
2.
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066
3.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
4.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
5.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
6.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
7.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
8.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
9.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
10.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
11.
 
Panasonic G80 Four Thirds 15.8 4592 34484K/30p22.812.565671
12.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
13.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
14.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
15.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
16.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
17.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
Note: DXO values in italics represent estimates based on sensor size and age.
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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, and both provide the same movie specifications (1080/60p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M5 II has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the RX100 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Olympus E-M5 II and Sony RX100 in connection with corresponding information for a sample of similar cameras.

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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-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
2.
 
Sony RX100none n3.0 / 1229 fixed n 1/2000s 10.0/s Y Y
3.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
4.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
5.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
6.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
7.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
8.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
9.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
10.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
11.
 
Panasonic G802360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
12.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
13.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0/s Y n
14.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
15.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
16.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
17.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
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-M5 II has a touchscreen, while the RX100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-M5 II has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the RX100 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 E-M5 II 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 Olympus E-M5 II has 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.

The E-M5 II writes its imaging data to SDXC cards, while the RX100 uses SDXC or Memory Stick PRO Duo cards. The E-M5 II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the RX100 cannot take advantage of Ultra High Speed SD cards.

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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 OM-D E-M5 Mark II and Sony Cyber-shot DSC-RX100 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-M5 IIYstereo / monoY-micro2.0Y--
2.
 
Sony RX100-stereo / mono--micro2.0---
3.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
4.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
5.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
6.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
7.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
8.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
9.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
10.
 
Olympus E-M5Ystereo / mono--mini2.0---
11.
 
Panasonic G80Ystereo / monoY-micro2.0Y--
12.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
13.
 
Sony A5100-stereo / mono--micro2.0YY-
14.
 
Sony RX100 III-stereo / mono--micro2.0YY-
15.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
16.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
17.
 
Sony NEX-5NYstereo / mono--mini2.0---
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It is notable that the E-M5 II has a hotshoe, while the RX100 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Olympus E-M5 II (unlike the RX100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M5 II and the RX100 have been discontinued, but can regularly be found used on ebay. The RX100 was replaced by the Sony RX100 II, while the E-M5 II was followed by the Olympus E-M5 III. Further information on the features and operation of the E-M5 II and RX100 can be found, respectively, in the Olympus E-M5 II Manual (free pdf) or the online Sony RX100 Manual.

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Review summary

So how do things add up? Is the Olympus E-M5 II better than the Sony RX100 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Olympus OM-D E-M5 Mark II:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores markedly higher (7 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1.1 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards.
  • More modern: Reflects 2 years and 8 months of technical progress since the RX100 launch.

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Reasons to prefer the Sony Cyber-shot DSC-RX100:

  • More detail: Has more megapixels (20 vs 15.9MP), which boosts linear resolution by 14%.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
  • Ready to shoot: Has an integrated lens, whereas the E-M5 II necessitates an extra lens.
  • More compact: Is smaller (102x58mm vs 124x85mm) 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-M5 II).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been around for much longer (launched in June 2012).

If the count of relative strengths (bullet points above) is taken as a measure, the E-M5 II is the clear winner of the match-up (18 : 9 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-M5 II 18:09 RX100

How about other alternatives? Do the specifications of the Olympus E-M5 II and the Sony RX100 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M5 II or the RX100. 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 adjacent summary-table relays the overall verdicts of several of the most popular 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
# 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-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
2.
 
Sony RX1005/5+ +..78/1004/55/5 Jun 2012 649ebay.com
3.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
4.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
5.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
6.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
7.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
8.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
9.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
10.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
11.
 
Panasonic G80..+ +..84/1005/54.5/5 Sep 2016 899ebay.com
12.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
13.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549ebay.com
14.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
15.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
16.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749ebay.com
17.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, 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 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: Olympus E-M5 II vs Sony RX100

    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-M5 II Sony RX100
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 28-100mm f/1.8-4.9
    Launch Date February 2015 June 2012
    Launch Price USD 1,099 USD 649
    Sensor Specs Olympus E-M5 II Sony RX100
    Sensor Technology CMOS 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 15.9 Megapixels 20 Megapixels
    Image Resolution 4608 x 3456 pixels 5472 x 3648 pixels
    Pixel Pitch 3.76 μm 2.41 μm
    Pixel Density 7.08 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 6,400 ISO
    ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
    Image Processor TruePic VII BIONZ X
    DXO Sensor Quality (score) 73 66
    DXO Color Depth (bits) 23.0 22.6
    DXO Dynamic Range (EV) 12.5 12.4
    DXO Low Light (ISO) 842 390
    Screen Specs Olympus E-M5 II Sony RX100
    Viewfinder Type Electronic viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.74x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 1229k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M5 II Sony RX100
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board 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-II no
    Connectivity Specs Olympus E-M5 II Sony RX100
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Body Specs Olympus E-M5 II Sony RX100
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Olympus BLN-1 Sony NP-BX1
    Battery Life (CIPA)310 shots per charge330 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 124 x 85 x 45 mm
    (4.9 x 3.3 x 1.8 in)
    102 x 58 x 36 mm
    (4.0 x 2.3 x 1.4 in)
    Camera Weight 469 g (16.5 oz) 240 g (8.5 oz)
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    Check E-M5 II offers at
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    Check RX100 offers at
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