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Olympus E-PM2 vs Sony A6400

The Olympus PEN E-PM2 and the Sony Alpha A6400 are two digital cameras that were revealed to the public, respectively, in September 2012 and January 2019. Both the E-PM2 and the A6400 are mirrorless interchangeable lens cameras that are based on a Four Thirds (E-PM2) and an APS-C (A6400) sensor. The Olympus has a resolution of 15.9 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-PM2
versus
Sony A6400
Olympus E-PM2   Sony A6400
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
15.9 MP, Four Thirds Sensor 24 MP, APS-C Sensor
1080/30p Video 4K/30p Video
ISO 100-25,600 ISO 100-32,000 (100 - 102,400)
Viewfinder optional Electronic viewfinder (2359k dots)
3.0 LCD, 460k dots 3.0 LCD, 922k dots
Fixed touchscreen Tilting touchscreen
8 shutter flaps per second 11 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
360 shots per battery charge410 shots per battery charge
110 x 64 x 34 mm, 269 g 120 x 67 x 50 mm, 403 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-PM2 and the Sony Alpha A6400? 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 Olympus E-PM2 and the Sony A6400 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.

The E-PM2 can be obtained in four different colors (black, silver, red, white), while the A6400 is only available in black.

Size Olympus E-PM2 vs Sony A6400
Compare E-PM2 versus A6400 top
Comparison E-PM2 or A6400 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6400 is notably larger (14 percent) than the Olympus E-PM2. Moreover, the A6400 is substantially heavier (50 percent) than the E-PM2. It is noteworthy in this context that the A6400 is splash and dust-proof, while the E-PM2 does not feature any corresponding weather-sealing.

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-PM2) and the Sony E-Mount Lens Catalog (A6400). 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-PM2 gets 360 shots out of its BLS-5 battery, while the A6400 can take 410 images on a single charge of its NP-FW50 power pack. The power pack in the A6400 can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499i
2.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 899 i
3.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799i
4.
 
Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 n Feb 2018 599i
5.
 
Olympus E-PL8 115 mm 67 mm 38 mm 357 g 350 n Sep 2016 549i
6.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649i
7.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599i
8.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999i
9.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 n May 2013 599i
10.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599i
11.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599i
12.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499i
13.
 
Panasonic GX850 107 mm 65 mm 33 mm 269 g 210 n Jan 2017 549 i
14.
 
Sony A6100 120 mm 67 mm 59 mm 396 g 420 n Aug 2019 749 i
15.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999i
16.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i
17.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599i
Notes: 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 E-PM2 was launched at a markedly lower price (by 44 percent) than the A6400, which puts it into a different market segment. 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 sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the 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 Olympus E-PM2 features a Four Thirds sensor and the Sony A6400 an APS-C sensor. The sensor area in the A6400 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-PM2 has a native 4:3 aspect ratio, while the one in the A6400 offers a 3:2 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Olympus E-PM2 and Sony A6400 sensor measures

With 24MP, the A6400 offers a higher resolution than the E-PM2 (15.9MP), but the A6400 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.76μm for the E-PM2) due to its larger sensor. Moreover, the A6400 is a much more recent model (by 6 years and 3 months) than the E-PM2, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A6400 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A6400 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-PM2 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 A6400 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus PEN E-PM2 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Sony Alpha A6400 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 100-102400.

E-PM2 versus A6400 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 consideration, the A6400 offers substantially better image quality than the E-PM2 (overall score 11 points higher). The advantage is based on 1.3 bits higher color depth, 1.4 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
2.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
3.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
4.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
5.
 
Olympus E-PL8 Four Thirds 15.9 4608 34561080/30p23.012.6103073
6.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
7.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
8.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
9.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
10.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
11.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
12.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
13.
 
Panasonic GX850 Four Thirds 15.8 4592 34484K/30p23.213.358673
14.
 
Sony A6100 APS-C 24.0 6000 40004K/30p24.113.6194784
15.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
16.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
17.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
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, but the A6400 provides a better video resolution than the E-PM2. It can shoot movie footage at 4K/30p, while the Olympus is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A6400 has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-PM2 relies on live view and the rear LCD for framing. That said, the E-PM2 can be equipped with an optional viewfinder – the VF-4. The adjacent table lists some of the other core features of the Olympus E-PM2 and Sony A6400 along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0 n Y
2.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0 Y n
3.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0 Y n
4.
 
Olympus E-PL9none n3.0 / 1040 tilting Y 1/4000s 8.6 Y Y
5.
 
Olympus E-PL8optional n3.0 / 1037 tilting Y 1/4000s 8.0 n Y
6.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0 Y Y
7.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0 n Y
8.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0 Y Y
9.
 
Olympus E-PL6optional n3.0 / 460 tilting Y 1/4000s 8.0 n Y
10.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0 n Y
11.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5 n Y
12.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5 n Y
13.
 
Panasonic GX850none n3.0 / 1040 tilting Y 1/500s 10.0 Y n
14.
 
Sony A61001440 n3.0 / 922 tilting Y 1/4000s 11.0 Y n
15.
 
Sony A63002359 n3.0 / 922 tilting n 1/4000s 11.0 Y n
16.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0 Y n
17.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0 Y n

One feature that differentiates the E-PM2 and the A6400 is in-body image stabilization (IBIS). The E-PM2 reduces the risk of handshake-induced blur with all attached lenses, while the A6400 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The A6400 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-PM2 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 A6400 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The E-PM2 writes its imaging data to SDXC cards, while the A6400 uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus PEN E-PM2 and Sony Alpha A6400 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-PM2Ystereo / mono--mini2.0---
2.
 
Sony A6400Ystereo / monoY-micro2.0YYY
3.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
4.
 
Olympus E-PL9Ystereo / mono--micro2.0Y-Y
5.
 
Olympus E-PL8Ystereo / mono--micro2.0Y--
6.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
7.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
8.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
9.
 
Olympus E-PL6Ystereo / mono--mini2.0---
10.
 
Olympus E-PL5Ystereo / mono--mini2.0---
11.
 
Olympus E-PL3Ystereo / ---mini2.0---
12.
 
Olympus E-PM1Ystereo / mono--mini2.0---
13.
 
Panasonic GX850-stereo / mono--micro2.0Y--
14.
 
Sony A6100Ystereo / monoY-micro2.0YYY
15.
 
Sony A6300Ystereo / monoY-micro2.0YY-
16.
 
Sony A5100-stereo / mono--micro2.0YY-
17.
 
Sony A6000Ystereo / mono--micro2.0YY-

It is notable that the A6400 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-PM2 does not provide wifi capability.

The A6400 is a recent model that features in the current product line-up of Sony. In contrast, the E-PM2 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the E-PM2 from Olympus. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Sony websites.

Review summary

So what conclusions can be drawn? Is the Olympus E-PM2 better than the Sony A6400 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Olympus PEN E-PM2:

  • More compact: Is smaller (110x64mm vs 120x67mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 134g or 33 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More affordable: Was introduced into a lower priced category (44 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2012).

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Arguments in favor of the Sony Alpha A6400:

  • More detail: Has more megapixels (24 vs 15.9MP), which boosts linear resolution by 25%.
  • Better image quality: Scores substantially higher (11 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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 detailed LCD: Has a higher resolution rear screen (922k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (11 vs 8 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Longer lasting: Gets more shots (410 versus 360) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 6 years and 3 months of technical progress since the E-PM2 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A6400 is the clear winner of the contest (22 : 5 points). 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-PM2 05:22 A6400

How about other alternatives? Do the specifications of the Olympus E-PM2 and the Sony A6400 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the E-PM2 or the A6400 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499i
2.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 899 i
3.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 799i
4.
 
Olympus E-PL9..+....4.5/54/5 Feb 2018 599i
5.
 
Olympus E-PL8........4.5/54/5 Sep 2016 549i
6.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649i
7.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599i
8.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999i
9.
 
Olympus E-PL6............ May 2013 599i
10.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599i
11.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599i
12.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499i
13.
 
Panasonic GX850..+..76/1004.5/54.5/5 Jan 2017 549 i
14.
 
Sony A6100....4/582/1004/55/5 Aug 2019 749 i
15.
 
Sony A63004.5/5+..85/1005/55/5 Feb 2016 999i
16.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549 i
17.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 599i
Notes: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

Olympus E-PM2:
Check Ebay offers
Sony A6400:
Check Amazon price

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-PM2 vs Sony A6400

    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-PM2 Sony A6400
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date September 2012 January 2019
    Launch Price USD 499 USD 899
    Sensor Specs Olympus E-PM2 Sony A6400
    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 15.9 Megapixels 24 Megapixels
    Image Resolution 4608 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 3.76 μm 3.91 μm
    Pixel Density 7.08 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 25,600 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 100 - 102,400 ISO
    Image Processor TruePic VI BIONZ X
    DXO Sensor Quality (score) 72 83
    DXO Color Depth (bits) 22.7 24
    DXO Dynamic Range (EV) 12.2 13.6
    DXO Low Light (ISO) 932 1431
    Screen Specs Olympus E-PM2 Sony A6400
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-PM2 Sony A6400
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 8 shutter flaps/s 11 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Olympus E-PM2 Sony A6400
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Olympus E-PM2 Sony A6400
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type BLS-5 NP-FW50
    Battery Life (CIPA)360 shots per charge410 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 110 x 64 x 34 mm
    (4.3 x 2.5 x 1.3 in)
    120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    Camera Weight 269 g (9.5 oz) 403 g (14.2 oz)

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