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Sony RX100 V versus Olympus E-M5

The Sony Cyber-shot DSC-RX100 V and the Olympus OM-D E-M5 are two digital cameras that were revealed to the public, respectively, in October 2016 and February 2012. The RX100 V is a fixed lens compact, while the E-M5 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (RX100 V) and a Four Thirds (E-M5) sensor. The Sony has a resolution of 20 megapixel, whereas the Olympus provides 15.9 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Sony RX100 V vs Olympus E-M5

The physical size and weight of the Sony RX100 V and the Olympus E-M5 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. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the RX100 V – represents the basis for the calculations across all the size and weight measures).

Compare Sony RX100 V vs Olympus E-M5
Compare RX100 V versus E-M5 top
Compare RX100 V and E-M5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 is considerably larger (84 percent) than the Sony RX100 V. It is noteworthy in this context that the E-M5 is splash and dust-proof, while the RX100 V does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 V has a lens build in, whereas the E-M5 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the E-M5 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the RX100 V gets 220 shots out of its NP-BX1 battery, while the E-M5 can take 360 images on a single charge of its BLN-1 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Sony RX100 V» 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
Olympus E-M5« 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299- i Olympus E-M5
Canon 77D« » 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i i Canon 77D
Canon G9 X Mark II« » 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i i Canon G9 X Mark II
Canon M100« » 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499 i i Canon M100
Fujifilm X-E3« » 4.8 in 2.9 in 1.7 in 11.9 oz 350 n Sep 2017 899 i i Fujifilm X-E3
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i Olympus E-M5 II
Olympus E-M10 II« » 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 799- i Olympus E-M10 II
Olympus E-M10« » 4.7 in 3.2 in 1.8 in 14.0 oz 320 n Jan 2014 699- i Olympus E-M10
Olympus E-M1« » 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399- i Olympus E-M1
Olympus E-P5« » 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999- i Olympus E-P5
Panasonic FZ2000« » 5.4 in 4.0 in 5.3 in 32.3 oz 350 n Sep 2016 1,199 i i Panasonic FZ2000
Panasonic TZ100« » 4.4 in 2.6 in 1.7 in 11.0 oz 300 n Jan 2016 699- i Panasonic TZ100
Sony RX100 VI« » 4.0 in 2.3 in 1.7 in 10.6 oz 240 n Jun 2018 1,199 i i Sony RX100 VI
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799- i Sony RX100 III
Sony RX100 II« » 4.0 in 2.3 in 1.5 in 9.9 oz 350 n Jun 2013 749- i Sony RX100 II

Any camera purchase will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The RX100 V was launched at a lower price than the E-M5, despite having a lens build in. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Sony RX100 V vs Olympus E-M5

The size of the imaging sensor is a crucial determinant 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Sony RX100 V features an one-inch sensor and the Olympus E-M5 a Four Thirds sensor. The sensor area in the E-M5 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the RX100 V has a native 3:2 aspect ratio, while the one in the E-M5 offers a 4:3 aspect.

Sony RX100 V and Olympus E-M5 sensor measures

Despite having a smaller sensor, the Sony RX100 V offers a higher resolution of 20 megapixel, compared with 15.9 MP of the Olympus E-M5. This megapixel 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). However, it should be noted that the RX100 V is much more recent (by 4 years and 7 months) than the E-M5, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

RX100 V versus E-M5 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Sony RX100 V» 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Olympus E-M5« Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
Canon G9 X Mark II« » 1-inch 20.0 5472 36481080/60p21.912.552265Canon G9 X Mark II
Canon M100« » APS-C 24.0 6000 40001080/60p23.512.9127278Canon M100
Fujifilm X-E3« » APS-C 24.0 6000 40004K/30p----Fujifilm X-E3
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
Olympus E-M10 II« » Four Thirds 15.9 4608 34561080/60p23.112.584273Olympus E-M10 II
Olympus E-M10« » Four Thirds 15.9 4608 34561080/30p22.812.388472Olympus E-M10
Olympus E-M1« » Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
Olympus E-P5« » Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
Panasonic FZ2000« » 1-inch 20.0 5472 36484K/30p----Panasonic FZ2000
Panasonic TZ100« » 1-inch 20.0 5472 36484K/30p22.812.555970Panasonic TZ100
Sony RX100 VI« » 1-inch 20.0 5472 36484K/30p----Sony RX100 VI
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III
Sony RX100 II« » 1-inch 20.0 5472 36481080/60p22.512.448367Sony RX100 II

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the RX100 V provides a higher video resolution than the E-M5. It can shoot video footage at 4K/30p, while the Olympus is limited to 1080/60i.

 

Feature comparison: Sony RX100 V vs Olympus E-M5

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the RX100 V offers a substantially higher resolution than the one in the E-M5 (2359k vs 1440k dots). The following table reports on some other key feature differences and similarities of the Sony RX100 V, the Olympus E-M5, and comparable cameras. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Sony RX100 V»2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Olympus E-M5«1440 n 3.0 610 tilting Y 4000 9.0 n Y Olympus E-M5
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n Canon 77D
Canon G9 X Mark II« »- n 3.0 1040 fixed Y 2000 8.2 Y Y Canon G9 X Mark II
Canon M100« »- n 3.0 1040 tilting Y 4000 6.1 Y n Canon M100
Fujifilm X-E3« »2360 n 3.0 1040 fixed Y 4000 8.0 n n Fujifilm X-E3
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 8000 10.0 n Y Olympus E-M5 II
Olympus E-M10 II« »2360 n 3.0 1040 tilting Y 4000 8.0 Y Y Olympus E-M10 II
Olympus E-M10« »1440 n 3.0 1037 tilting Y 4000 8.0 Y Y Olympus E-M10
Olympus E-M1« »2360 n 3.0 1037 tilting Y 8000 10.0 n Y Olympus E-M1
Olympus E-P5« »- n 3.0 1037 tilting Y 8000 9.0 Y Y Olympus E-P5
Panasonic FZ2000« »2360 n 3.0 1040 swivel Y 4000 12.0 Y Y Panasonic FZ2000
Panasonic TZ100« »1166 n 3.0 1040 fixed Y 2000 10.0 Y Y Panasonic TZ100
Sony RX100 VI« »2359 n 3.0 1229 tilting Y 2000 24.0 Y Y Sony RX100 VI
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
Sony RX100 III« »1440 n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 III
Sony RX100 II« »- n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 II

One difference between the cameras concerns the presence of an on-board flash. The RX100 V has one, while the E-M5 does not. While the build-in flash of the RX100 V is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the RX100 V features an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

The RX100 V writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-M5 uses SDXC cards.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Sony RX100 V»-stereomono--micro2.0YY-Sony RX100 V
Olympus E-M5«Ystereomono--mini2.0---Olympus E-M5
Canon 77D« »YstereomonoY-mini2.0YYYCanon 77D
Canon G9 X Mark II« »-stereomono--micro2.0YYYCanon G9 X Mark II
Canon M100« »-stereomono--mini2.0YYYCanon M100
Fujifilm X-E3« »YstereomonoY-micro2.0Y-YFujifilm X-E3
Olympus E-M5 II« »YstereomonoY-micro2.0Y--Olympus E-M5 II
Olympus E-M10 II« »Ystereomono--micro2.0Y--Olympus E-M10 II
Olympus E-M10« »Ystereomono--micro2.0Y--Olympus E-M10
Olympus E-M1« »YstereomonoY-micro2.0Y--Olympus E-M1
Olympus E-P5« »Ystereomono--micro2.0Y--Olympus E-P5
Panasonic FZ2000« »YstereomonoYYmicro2.0Y--Panasonic FZ2000
Panasonic TZ100« »-stereomono--micro2.0Y--Panasonic TZ100
Sony RX100 VI« »-stereomono--micro2.0YYYSony RX100 VI
Sony RX100 IV« »-stereomono--micro2.0YY-Sony RX100 IV
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III
Sony RX100 II« »Ystereomono--micro2.0YY-Sony RX100 II

The RX100 V is a current model that online retailers, such as amazon, will have in stock. In contrast, the E-M5 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-M5 was succeeded by the Olympus E-M5 II.

Review summary: Sony RX100 V vs Olympus E-M5

So how do things add up? Which of the two cameras – the Sony RX100 V or the Olympus E-M5 – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Sony Cyber-shot DSC-RX100 V:

  • More detail: Offers more megapixels (20 vs 15.9MP) with a 14% higher linear resolution.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1440k dots).
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 610k dots).
  • Faster burst: Shoots at higher frequency (24 vs 9 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Has a lens build-in, whereas the E-M5 requires a separate lens.
  • More compact: Is smaller (102x58mm vs 122x89mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a build-in lens (unlike the E-M5).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi build in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More modern: Reflects 4 years and 7 months of technical progress since the E-M5 launch.

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Reasons to prefer the Olympus OM-D E-M5:

  • Better low-light sensitivity: Can shoot in dim conditions (0.5 stops ISO advantage).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (360 versus 220) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been around for much longer (launched in February 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the RX100 V is the clear winner of the match-up (14 : 8 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.

RX100 V 14:08 E-M5

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the RX100 V or the E-M5. 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. This is where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Sony RX100 V»HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Olympus E-M5«HiRec80/1004.5/55/55/5 Feb 2012 1,299- i Olympus E-M5
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
Canon G9 X Mark II« »-75/1004.5/54.5/54.5/5 Jan 2017 529 i i Canon G9 X Mark II
Canon M100« »Rec-4/5-3.5/5 Aug 2017 499 i i Canon M100
Fujifilm X-E3« »Rec84/1004.5/54.5/54.5/5 Sep 2017 899 i i Fujifilm X-E3
Olympus E-M5 II« »HiRec81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
Olympus E-M10 II« »HiRec80/1005/55/55/5 Aug 2015 799- i Olympus E-M10 II
Olympus E-M10« »-80/1005/54.5/55/5 Jan 2014 699- i Olympus E-M10
Olympus E-M1« »HiRec84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
Olympus E-P5« »HiRec78/1004.5/54.5/55/5 May 2013 999- i Olympus E-P5
Panasonic FZ2000« »Rec82/1004.5/54.5/55/5 Sep 2016 1,199 i i Panasonic FZ2000
Panasonic TZ100« »HiRec82/1004.5/54/54.5/5 Jan 2016 699- i Panasonic TZ100
Sony RX100 VI« »HiRec83/1004/5-4.5/5 Jun 2018 1,199 i i Sony RX100 VI
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
Sony RX100 III« »HiRec82/1004.5/54.5/55/5 May 2014 799- i Sony RX100 III
Sony RX100 II« »HiRec79/1004.5/55/54.5/5 Jun 2013 749- i Sony RX100 II

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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.

 

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make your choice using the following search menu. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, please contact me, and I will try to locate and add the respective data to the application.

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