Sony A77 II vs Olympus E-M5
The Sony Alpha SLT-A77 II and the Olympus OM-D E-M5 are two enthusiast cameras that were announced, respectively, in May 2014 and February 2012. The A77 II is a DSLR, while the E-M5 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (A77 II) and a Four Thirds (E-M5) sensor. The Sony has a resolution of 24 megapixels, whereas the Olympus provides 15.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha SLT-A77 II and the Olympus OM-D E-M5? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
Body comparison
The physical size and weight of the Sony A77 II 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 views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.
The E-M5 can be obtained in two different colors (black, silver), while the A77 II is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 is notably smaller (27 percent) than the Sony A77 II. Moreover, the E-M5 is markedly lighter (34 percent) than the A77 II. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
Concerning battery life, the A77 II gets 480 shots out of its Sony NP-FM500H battery, while the E-M5 can take 360 images on a single charge of its Olympus BLN-1 power pack.
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.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A77 II | 143 mm | 104 mm | 81 mm | 647 g | 480 | Y | May 2014 | 1,199 | ebay.com | |
2. | Olympus E-M5 | 122 mm | 89 mm | 43 mm | 425 g | 360 | Y | Feb 2012 | 1,299 | ebay.com | |
3. | Nikon D7100 | 136 mm | 107 mm | 76 mm | 765 g | 950 | Y | Feb 2013 | 1,199 | ebay.com | |
4. | Nikon D7200 | 136 mm | 107 mm | 76 mm | 765 g | 1110 | Y | Mar 2015 | 1,199 | ebay.com | |
5. | Olympus E-M1 | 130 mm | 94 mm | 63 mm | 497 g | 350 | Y | Sep 2013 | 1,399 | ebay.com | |
6. | Olympus E-M5 II | 124 mm | 85 mm | 45 mm | 469 g | 310 | Y | Feb 2015 | 1,099 | ebay.com | |
7. | Olympus E-P5 | 122 mm | 69 mm | 37 mm | 420 g | 330 | n | May 2013 | 999 | ebay.com | |
8. | Olympus PEN-F | 125 mm | 72 mm | 37 mm | 427 g | 330 | n | Jan 2016 | 1,199 | ebay.com | |
9. | Panasonic GX7 | 123 mm | 71 mm | 55 mm | 402 g | 350 | n | Aug 2013 | 999 | ebay.com | |
10. | Pentax K-3 | 131 mm | 100 mm | 77 mm | 800 g | 560 | Y | Oct 2013 | 1,299 | ebay.com | |
11. | Pentax K-3 II | 131 mm | 100 mm | 77 mm | 800 g | 720 | Y | Apr 2015 | 1,099 | ebay.com | |
12. | Sony A7 II | 127 mm | 96 mm | 60 mm | 599 g | 350 | Y | Nov 2014 | 1,999 | ebay.com | |
13. | Sony A58 | 129 mm | 95 mm | 78 mm | 492 g | 690 | n | Feb 2013 | 599 | ebay.com | |
14. | Sony A68 | 143 mm | 104 mm | 81 mm | 610 g | 540 | n | Nov 2015 | 699 | ebay.com | |
15. | Sony A77 | 143 mm | 104 mm | 81 mm | 732 g | 470 | Y | Aug 2011 | 1,399 | ebay.com | |
16. | Sony A6500 | 120 mm | 67 mm | 53 mm | 453 g | 350 | Y | Oct 2016 | 1,399 | ebay.com | |
17. | Sony A6600 | 120 mm | 67 mm | 69 mm | 503 g | 810 | Y | Aug 2019 | 1,399 | amazon.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The A77 II was somewhat cheaper (by 8 percent) than the E-M5 at launch, but both cameras fall into the same price category. 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.
Sensor comparison
The size of the imaging sensor is a crucial determinant 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Sony A77 II features an APS-C sensor and the Olympus E-M5 a Four Thirds sensor. The sensor area in the E-M5 is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the A77 II has a native 3:2 aspect ratio, while the one in the E-M5 offers a 4:3 aspect.
With 24MP, the A77 II offers a higher resolution than the E-M5 (15.9MP), but the A77 II nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.76μm for the E-M5) due to its larger sensor. Moreover, the A77 II is a much more recent model (by 2 years and 2 months) than the E-M5, 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 A77 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 II for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-M5 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.
The Sony Alpha SLT-A77 II has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-51200. The corresponding ISO settings for the Olympus OM-D E-M5 are ISO 200 to ISO 25600 (no boost).
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.
For many cameras, data on sensor performance has been reported by DXO Mark. 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 review, the A77 II provides substantially higher image quality than the E-M5, with an overall score that is 11 points higher. This advantage is based on 1.6 bits higher color depth, 1.1 EV in additional dynamic range, and 0.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A77 II | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.4 | 13.4 | 1013 | 82 | |
2. | Olympus E-M5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60i | 22.8 | 12.3 | 826 | 71 | |
3. | Nikon D7100 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.2 | 13.7 | 1256 | 83 | |
4. | Nikon D7200 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.5 | 14.6 | 1333 | 87 | |
5. | Olympus E-M1 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 23.0 | 12.7 | 757 | 73 | |
6. | Olympus E-M5 II | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 23.0 | 12.5 | 842 | 73 | |
7. | Olympus E-P5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.4 | 895 | 72 | |
8. | Olympus PEN-F | Four Thirds | 20.2 | 5184 | 3888 | 1080/60p | 23.1 | 12.4 | 894 | 74 | |
9. | Panasonic GX7 | Four Thirds | 15.8 | 4592 | 3448 | 1080/60p | 22.6 | 12.2 | 718 | 70 | |
10. | Pentax K-3 | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.7 | 13.4 | 1216 | 80 | |
11. | Pentax K-3 II | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.6 | 13.6 | 1106 | 80 | |
12. | Sony A7 II | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.9 | 13.6 | 2449 | 90 | |
13. | Sony A58 | APS-C | 19.8 | 5456 | 3632 | 1080/60i | 23.3 | 12.5 | 753 | 74 | |
14. | Sony A68 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 24.1 | 13.5 | 701 | 79 | |
15. | Sony A77 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.0 | 13.2 | 801 | 78 | |
16. | Sony A6500 | APS-C | 24.0 | 6000 | 4000 | 4K/30p | 24.5 | 13.7 | 1405 | 85 | |
17. | Sony A6600 | APS-C | 24.0 | 6000 | 4000 | 4K/30p | 23.8 | 13.4 | 1497 | 82 |
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 A77 II provides a higher frame rate than the E-M5. It can shoot video footage at 1080/60p, while the Olympus is limited to 1080/60i.
Feature comparison
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 A77 II offers a substantially higher resolution than the one in the E-M5 (2359k vs 1440k dots). The adjacent table lists some of the other core features of the Sony A77 II and Olympus E-M5 along with similar information for a selection of comparators.
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. | Sony A77 II | 2359 | Y | 3.0 / 1229 | full-flex | n | 1/8000s | 12.0/s | Y | Y | |
2. | Olympus E-M5 | 1440 | n | 3.0 / 610 | tilting | Y | 1/4000s | 9.0/s | n | Y | |
3. | Nikon D7100 | optical | Y | 3.2 / 1229 | fixed | n | 1/8000s | 6.0/s | Y | n | |
4. | Nikon D7200 | optical | Y | 3.2 / 1229 | fixed | n | 1/8000s | 6.0/s | Y | n | |
5. | Olympus E-M1 | 2360 | n | 3.0 / 1037 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
6. | Olympus E-M5 II | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
7. | Olympus E-P5 | optional | n | 3.0 / 1037 | tilting | Y | 1/8000s | 9.0/s | Y | Y | |
8. | Olympus PEN-F | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
9. | Panasonic GX7 | 2760 | n | 3.0 / 1040 | tilting | Y | 1/8000s | 5.0/s | Y | Y | |
10. | Pentax K-3 | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | Y | Y | |
11. | Pentax K-3 II | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | n | Y | |
12. | Sony A7 II | 2400 | n | 3.0 / 1230 | tilting | n | 1/8000s | 5.0/s | n | Y | |
13. | Sony A58 | 1440 | n | 2.7 / 460 | tilting | n | 1/4000s | 5.0/s | Y | Y | |
14. | Sony A68 | 1440 | Y | 2.7 / 460 | tilting | n | 1/4000s | 8.0/s | Y | Y | |
15. | Sony A77 | 2359 | Y | 3.0 / 921 | full-flex | n | 1/8000s | 12.0/s | Y | Y | |
16. | Sony A6500 | 2359 | n | 3.0 / 922 | tilting | Y | 1/4000s | 11.0/s | Y | Y | |
17. | Sony A6600 | 2359 | n | 3.0 / 922 | tilting | Y | 1/4000s | 11.0/s | n | Y | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
One difference between the cameras concerns the presence of an on-board flash. The A77 II has one, while the E-M5 does not. While the built-in flash of the A77 II is not very powerful, it can at times be useful as a fill-in light.
The A77 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 E-M5 does not have a selfie-screen.The A77 II writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-M5 uses SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
Connectivity comparison
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Sony Alpha SLT-A77 II and Olympus OM-D E-M5 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A77 II | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | - | |
2. | Olympus E-M5 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
3. | Nikon D7100 | Y | stereo / mono | Y | Y | mini | 2.0 | - | - | - | |
4. | Nikon D7200 | Y | stereo / mono | Y | Y | mini | 2.0 | Y | Y | - | |
5. | Olympus E-M1 | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | - | |
6. | Olympus E-M5 II | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | - | |
7. | Olympus E-P5 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
8. | Olympus PEN-F | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
9. | Panasonic GX7 | Y | stereo / mono | - | - | mini | 2.0 | Y | Y | - | |
10. | Pentax K-3 | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
11. | Pentax K-3 II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
12. | Sony A7 II | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - | |
13. | Sony A58 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
14. | Sony A68 | Y | stereo / mono | Y | - | micro | 2.0 | - | - | - | |
15. | Sony A77 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
16. | Sony A6500 | Y | stereo / mono | Y | - | micro | 2.0 | Y | Y | - | |
17. | Sony A6600 | Y | stereo / mono | Y | Y | YES | 2.0 | Y | Y | Y |
It is notable that the A77 II has a microphone port, which is missing on the E-M5. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Studio photographers will appreciate that the Sony A77 II (unlike the E-M5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the A77 II and the E-M5 have been discontinued, but can regularly be found used on ebay. The E-M5 was replaced by the Olympus E-M5 II, while the A77 II does not have a direct successor. Further information on the features and operation of the A77 II and E-M5 can be found, respectively, in the Sony A77 II Manual (free pdf) or the online Olympus E-M5 Manual.
Review summary
So what conclusions can be drawn? Is the Sony A77 II better than the Olympus E-M5 or vice versa? The listing below highlights the relative strengths of the two models.
Arguments in favor of the Sony Alpha SLT-A77 II:
- More detail: Offers more megapixels (24 vs 15.9MP) with a 25% higher linear resolution.
- Better image quality: Scores substantially higher (11 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (1.6 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (1.1 EV of extra DR).
- Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1440k dots).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.58x).
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- More detailed LCD: Has a higher resolution rear screen (1229k vs 610k dots).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- 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 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (12 vs 9 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (480 versus 360) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- 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.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More modern: Reflects 2 years and 2 months of technical progress since the E-M5 launch.
Advantages of the Olympus OM-D E-M5:
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- More compact: Is smaller (122x89mm vs 143x104mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 222g or 34 percent) and is thus easier to take along.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- More heavily discounted: Has been around for much longer (launched in February 2012).
If the count of relative strengths (bullet points above) is taken as a measure, the A77 II is the clear winner of the match-up (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.
How about other alternatives? Do the specifications of the Sony A77 II and the Olympus E-M5 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A77 II 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.
Expert reviews
This is why expert reviews are important. 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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A77 II | 4/5 | .. | .. | 80/100 | 4.5/5 | 5/5 | May 2014 | 1,199 | ebay.com | |
2. | Olympus E-M5 | 4/5 | + + | .. | 80/100 | 4.5/5 | 5/5 | Feb 2012 | 1,299 | ebay.com | |
3. | Nikon D7100 | 5/5 | + + | .. | 85/100 | 4.5/5 | 4.5/5 | Feb 2013 | 1,199 | ebay.com | |
4. | Nikon D7200 | 4/5 | + + | .. | 84/100 | 4.5/5 | 4.5/5 | Mar 2015 | 1,199 | ebay.com | |
5. | Olympus E-M1 | 5/5 | + + | .. | 84/100 | 4.5/5 | 4.5/5 | Sep 2013 | 1,399 | ebay.com | |
6. | Olympus E-M5 II | 5/5 | + + | 4.5/5 | 81/100 | 5/5 | 5/5 | Feb 2015 | 1,099 | ebay.com | |
7. | Olympus E-P5 | 5/5 | + + | .. | 78/100 | 4.5/5 | 5/5 | May 2013 | 999 | ebay.com | |
8. | Olympus PEN-F | .. | .. | 4/5 | 82/100 | 4.5/5 | 5/5 | Jan 2016 | 1,199 | ebay.com | |
9. | Panasonic GX7 | 4/5 | + | .. | 79/100 | 5/5 | 5/5 | Aug 2013 | 999 | ebay.com | |
10. | Pentax K-3 | 4/5 | .. | .. | 83/100 | 5/5 | 5/5 | Oct 2013 | 1,299 | ebay.com | |
11. | Pentax K-3 II | 4.5/5 | .. | .. | .. | 5/5 | 5/5 | Apr 2015 | 1,099 | ebay.com | |
12. | Sony A7 II | 5/5 | + | 4/5 | 82/100 | 4.5/5 | 5/5 | Nov 2014 | 1,999 | ebay.com | |
13. | Sony A58 | 3/5 | .. | .. | .. | 4.5/5 | 4.5/5 | Feb 2013 | 599 | ebay.com | |
14. | Sony A68 | 3/5 | .. | .. | .. | 4/5 | 4/5 | Nov 2015 | 699 | ebay.com | |
15. | Sony A77 | 5/5 | 91/100 | .. | 81/100 | .. | 5/5 | Aug 2011 | 1,399 | ebay.com | |
16. | Sony A6500 | 5/5 | + + | 3.5/5 | 85/100 | 4.5/5 | 4.5/5 | Oct 2016 | 1,399 | ebay.com | |
17. | Sony A6600 | 4/5 | + | 4/5 | 83/100 | 4.5/5 | 4/5 | Aug 2019 | 1,399 | amazon.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
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. Thus, a score needs to be put into the context of the launch date and the launch price 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 1Ds Mark III vs Sony A77 II
- Canon 50D vs Olympus E-M5
- Canon 90D vs Olympus E-M5
- Canon T5i vs Sony A77 II
- Fujifilm X-A2 vs Olympus E-M5
- Olympus E-M1 vs Olympus E-M5
- Olympus E-M5 vs Sony A77
- Olympus E-M5 vs Sony RX100
- Olympus E-P5 vs Sony A77 II
- Panasonic L1 vs Sony A77 II
- Sony A5100 vs Sony A77 II
- Sony A77 II vs Sony NEX-5
Specifications: Sony A77 II vs Olympus E-M5
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 Model | Sony A77 II | Olympus E-M5 |
---|---|---|
Camera Type | Digital single lens reflex | Mirrorless system camera |
Camera Lens | Sony A mount lenses | Micro Four Thirds lenses |
Launch Date | May 2014 | February 2012 |
Launch Price | USD 1,199 | USD 1,299 |
Sensor Specs | Sony A77 II | Olympus E-M5 |
Sensor Technology | CMOS | CMOS |
Sensor Format | APS-C Sensor | Four Thirds Sensor |
Sensor Size | 23.5 x 15.6 mm | 17.3 x 13.0 mm |
Sensor Area | 366.6 mm2 | 224.9 mm2 |
Sensor Diagonal | 28.2 mm | 21.6 mm |
Crop Factor | 1.5x | 2.0x |
Sensor Resolution | 24 Megapixels | 15.9 Megapixels |
Image Resolution | 6000 x 4000 pixels | 4608 x 3456 pixels |
Pixel Pitch | 3.91 μm | 3.76 μm |
Pixel Density | 6.55 MP/cm2 | 7.08 MP/cm2 |
Moiré control | Anti-Alias filter | Anti-Alias filter |
Movie Capability | 1080/60p Video | 1080/60i Video |
ISO Setting | 100 - 25,600 ISO | 200 - 25,600 ISO |
ISO Boost | 50 - 51,200 ISO | no Enhancement |
Image Processor | BIONZ X | TruePic VI |
DXO Sensor Quality (score) | 82 | 71 |
DXO Color Depth (bits) | 24.4 | 22.8 |
DXO Dynamic Range (EV) | 13.4 | 12.3 |
DXO Low Light (ISO) | 1013 | 826 |
Screen Specs | Sony A77 II | Olympus E-M5 |
Viewfinder Type | Electronic viewfinder | Electronic viewfinder |
Viewfinder Field of View | 100% | 100% |
Viewfinder Magnification | 0.73x | 0.58x |
Viewfinder Resolution | 2359k dots | 1440k dots |
Top-Level Screen | Control Panel | no Top Display |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.0inch | 3.0inch |
LCD Resolution | 1229k dots | 610k dots |
LCD Attachment | Fully flexible screen | Tilting screen |
Touch Input | no Touchscreen | Touchscreen |
Shooting Specs | Sony A77 II | Olympus E-M5 |
Focus System | Phase-detect AF | Contrast-detect AF |
Manual Focusing Aid | Focus Peaking | no Peaking Feature |
Continuous Shooting | 12 shutter flaps/s | 9 shutter flaps/s |
Shutter Life Expectancy | 150 000 actuations | 100 000 actuations |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | Built-in Flash | no On-Board Flash |
Storage Medium | MS or SDXC cards | SDXC cards |
Single or Dual Card Slots | Single card slot | Single card slot |
UHS card support | UHS-I | UHS-I |
Connectivity Specs | Sony A77 II | Olympus E-M5 |
External Flash | Hotshoe | Hotshoe |
Studio Flash | PC Sync socket | no PC Sync |
USB Connector | USB 2.0 | USB 2.0 |
HDMI Port | mini HDMI | mini HDMI |
Microphone Port | External MIC port | no MIC socket |
Wifi Support | Wifi built-in | no Wifi |
Near-Field Communication | NFC built-in | no NFC |
Body Specs | Sony A77 II | Olympus E-M5 |
Environmental Sealing | Weathersealed body | Weathersealed body |
Battery Type | Sony NP-FM500H | Olympus BLN-1 |
Battery Life (CIPA) | 480 shots per charge | 360 shots per charge |
Body Dimensions |
143 x 104 x 81 mm (5.6 x 4.1 x 3.2 in) |
122 x 89 x 43 mm (4.8 x 3.5 x 1.7 in) |
Camera Weight | 647 g (22.8 oz) | 425 g (15.0 oz) |
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