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Olympus E-M1 III vs Sony A6600

The Olympus OM-D E-M1 Mark III and the Sony Alpha A6600 are two enthusiast cameras that were announced, respectively, in February 2020 and August 2019. Both the E-M1 III and the A6600 are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-M1 III) and an APS-C (A6600) sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Olympus E-M1 III
versus
Sony A6600
Olympus E-M1 III   Sony A6600
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
20.2 MP – Four Thirds sensor 24 MP – APS-C sensor
4K/30p Video 4K/30p Video
ISO 200-25,600 ISO 100-32,000 (100 - 102,400)
Electronic viewfinder (2360k dots) Electronic viewfinder (2359k dots)
3.0" LCD – 1037k dots 3.0" LCD – 922k dots
Swivel touchscreen Tilting touchscreen
18 shutter flaps per second 11 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
420 shots per battery charge810 shots per battery charge
134 x 91 x 69 mm, 580 g 120 x 67 x 69 mm, 503 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 Mark III and the Sony Alpha A6600? 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

The physical size and weight of the Olympus E-M1 III and the Sony A6600 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 width, height and depth dimensions are rounded to the nearest millimeter.

Size Olympus E-M1 III vs Sony A6600
Compare E-M1 III versus A6600 top
Comparison E-M1 III or A6600 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6600 is considerably smaller (34 percent) than the Olympus E-M1 III. Moreover, the A6600 is markedly lighter (13 percent) than the E-M1 III. 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (E-M1 III) and the Sony E-Mount Lens Catalog (A6600). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the E-M1 III gets 420 shots out of its Olympus BLH-1 battery, while the A6600 can take 810 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799ebay.com
2.
 
Sony A6600 120 mm 67 mm 69 mm 503 g 810 Y Aug 2019 1,399 amazon.com
3.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699ebay.com
4.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
5.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
6.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999ebay.com
7.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
8.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 2,199ebay.com
9.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 1,699ebay.com
10.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999ebay.com
11.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999ebay.com
12.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 1,699 amazon.com
13.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
14.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
15.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399ebay.com
16.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399ebay.com
17.
 
Sony A6700 122 mm 69 mm 64 mm 493 g 570 Y Jul 2023 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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The A6600 was launched at a somewhat lower price (by 22 percent) than the E-M1 III, which makes it more attractive for photographers on a tight budget. 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. 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-M1 III features a Four Thirds sensor and the Sony A6600 an APS-C sensor. The sensor area in the A6600 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-M1 III has a native 4:3 aspect ratio, while the one in the A6600 offers a 3:2 aspect.

Olympus E-M1 III and Sony A6600 sensor measures

With 24MP, the A6600 offers a higher resolution than the E-M1 III (20.2MP), but the A6600 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the E-M1 III) due to its larger sensor. However, the E-M1 III is a somewhat more recent model (by 5 months) than the A6600, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the E-M1 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A6600 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A6600 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-M1 III are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the A6600, the E-M1 III has the capacity to capture high quality composite images (80MP) 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-M1 Mark III has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Sony Alpha A6600 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 100-102400.

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-M1 III versus A6600 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
2.
 
Sony A6600 APS-C 24.0 6000 40004K/30p23.813.4149782
3.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
4.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
5.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
6.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p23.213.0125475
7.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
8.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
9.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
10.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p23.213.0127375
11.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
12.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
13.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
14.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
15.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
16.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
17.
 
Sony A6700 APS-C 25.6 6192 41284K/120p24.314.0232986
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the E-M1 III offers a slightly higher resolution than the one in the A6600 (2360k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M1 III, the Sony A6600, and comparable cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
2.
 
Sony A66002359 n3.0 / 922 tilting Y 1/4000s 11.0/s n Y
3.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
4.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
5.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
6.
 
Olympus E-M1X2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
7.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
8.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
9.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
10.
 
Panasonic G952360 n3.0 / 1240 swivel Y 1/4000s 9.0/s Y Y
11.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
12.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
13.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
14.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
15.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
17.
 
Sony A67002360 n3.0 / 1037 swivel Y 1/4000s 11.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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, both cameras under consideration feature an 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-M1 III and the Sony A6600 both have 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-M1 III writes its imaging data to SDXC cards, while the A6600 uses SDXC or Memory Stick PRO Duo cards. The E-M1 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the A6600 only has one slot. The E-M1 III supports UHS-II cards (on its first slot), while the A6600 can use UHS-I 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-M1 Mark III and Sony Alpha A6600 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
2.
 
Sony A6600Ystereo / monoYYYES2.0YYY
3.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
4.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
5.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
6.
 
Olympus E-M1XYstereo / monoYYmicro3.0Y-Y
7.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
8.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
9.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
10.
 
Panasonic G95Ystereo / monoYYmicro2.0Y-Y
11.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
12.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
13.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
14.
 
Sony A7CYstereo / monoYYmicro3.2YYY
15.
 
Sony A77Ystereo / monoY-mini2.0---
16.
 
Sony A6500Ystereo / monoY-micro2.0YY-
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

Studio photographers will appreciate that the Olympus E-M1 III (unlike the A6600) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A6600 is a recent model that features in the current product line-up of Sony. In contrast, the E-M1 III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-M1 III was succeeded by the OM System OM-1. Further information on the features and operation of the E-M1 III and A6600 can be found, respectively, in the Olympus E-M1 III Manual (free pdf) or the online Sony A6600 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Olympus E-M1 III and the Sony A6600? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Olympus OM-D E-M1 Mark III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 922k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (18 vs 11 flaps/sec) to capture the decisive moment.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Is somewhat more recent (announced 5 months after the A6600).

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Arguments in favor of the Sony Alpha A6600:

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • More compact: Is smaller (120x67mm vs 134x91mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 77g or 13 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (810 versus 420) out of a single battery charge.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was released into a lower priced segment (22 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in August 2019).

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (12 points each). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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-M1 III 12:12 A6600

How about other alternatives? Do the specifications of the Olympus E-M1 III and the Sony A6600 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the E-M1 III and the A6600 in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 1,799ebay.com
2.
 
Sony A66004/5+4/583/1004.5/54/5 Aug 2019 1,399 amazon.com
3.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 1,699ebay.com
4.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
5.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
6.
 
Olympus E-M1X4.5/5o5/585/1004.5/5.. Jan 2019 2,999ebay.com
7.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
8.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 2,199ebay.com
9.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 1,699ebay.com
10.
 
Panasonic G954.5/5+4.5/583/1004.5/54.5/5 Apr 2019 999ebay.com
11.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 1,999ebay.com
12.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 1,699 amazon.com
13.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
14.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
15.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399ebay.com
16.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 1,399ebay.com
17.
 
Sony A67004.5/5+4.5/588/1004.5/54.5/5 Jul 2023 1,399 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M1 III vs Sony A6600

    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-M1 III Sony A6600
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date February 2020 August 2019
    Launch Price USD 1,799 USD 1,399
    Sensor Specs Olympus E-M1 III Sony A6600
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 20.2 Megapixels 24 Megapixels
    Image Resolution 5184 x 3888 pixels 6000 x 4000 pixels
    Pixel Pitch 3.34 μm 3.91 μm
    Pixel Density 8.96 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 25,600 ISO 100 - 32,000 ISO
    ISO Boost 64 - 25,600 ISO 100 - 102,400 ISO
    Image Processor TruePic IX BIONZ X
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 23.8
    DXO Dynamic Range (EV) .. 13.4
    DXO Low Light (ISO) .. 1497
    Screen Specs Olympus E-M1 III Sony A6600
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.74x 0.70x
    Viewfinder Resolution 2360k dots 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 922k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1 III Sony A6600
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 18 shutter flaps/s 11 shutter flaps/s
    Shutter Life Expectancy400 000 actuations100 000 actuations
    Electronic Shutterup to 1/32000sYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Olympus E-M1 III Sony A6600
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI YES HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Olympus E-M1 III Sony A6600
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Olympus BLH-1 Sony NP-FZ100
    Battery Life (CIPA)420 shots per charge810 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 91 x 69 mm
    (5.3 x 3.6 x 2.7 in)
    120 x 67 x 69 mm
    (4.7 x 2.6 x 2.7 in)
    Camera Weight 580 g (20.5 oz) 503 g (17.7 oz)
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