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Sony A6400 vs Olympus E-M10

The Sony Alpha A6400 and the Olympus OM-D E-M10 are two digital cameras that were revealed to the public, respectively, in January 2019 and January 2014. Both the A6400 and the E-M10 are mirrorless interchangeable lens cameras that are based on an APS-C (A6400) and a Four Thirds (E-M10) 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.

Headline Specifications
Sony A6400
versus
Olympus E-M10
Sony A6400   Olympus E-M10
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Micro Four Thirds lenses
24 MP – APS-C sensor 15.9 MP – Four Thirds sensor
4K/30p Video 1080/30p Video
ISO 100-32,000 (100 - 102,400) ISO 200-25,600
Electronic viewfinder (2359k dots) Electronic viewfinder (1440k dots)
3.0" LCD – 922k dots 3.0" LCD – 1037k dots
Tilting touchscreen Tilting touchscreen
11 shutter flaps per second 8 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
410 shots per battery charge320 shots per battery charge
120 x 67 x 50 mm, 403 g 119 x 82 x 46 mm, 396 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A6400 and the Olympus OM-D E-M10? 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 side-by-side display below illustrates the physical size and weight of the Sony A6400 and the Olympus E-M10. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The E-M10 can be obtained in two different colors (black, silver), while the A6400 is only available in black.

Size Sony A6400 vs Olympus E-M10
Compare A6400 versus E-M10 top
Comparison A6400 or E-M10 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 is notably larger (21 percent) than the Sony A6400. However, the E-M10 is slightly lighter (2 percent) than the A6400. It is worth mentioning in this context that the A6400 is splash and dust resistant, while the E-M10 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 Sony E-Mount Lens Catalog (A6400) and the Micro Four Thirds Lens Catalog (E-M10). 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 A6400 gets 410 shots out of its Sony NP-FW50 battery, while the E-M10 can take 320 images on a single charge of its Olympus BLS-5 power pack. The power pack in the A6400 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 899 amazon.com
2.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
3.
 
Fujifilm X-T30 118 mm 83 mm 47 mm 383 g 380 n Feb 2019 899ebay.com
4.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799ebay.com
5.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
6.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
7.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
8.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
9.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
10.
 
Sony A6100 120 mm 67 mm 59 mm 396 g 420 n Aug 2019 749ebay.com
11.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999ebay.com
12.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549ebay.com
13.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599ebay.com
14.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 329ebay.com
15.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749ebay.com
16.
 
Sony NEX-6 120 mm 67 mm 43 mm 345 g 360 n Sep 2012 999ebay.com
17.
 
Sony NEX-7 120 mm 67 mm 43 mm 400 g 430 n Aug 2011 1,349ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. 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 E-M10 was launched at a somewhat lower price (by 22 percent) than the A6400, which makes it more attractive for photographers on a tight budget. 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

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Sony A6400 features an APS-C sensor and the Olympus E-M10 a Four Thirds sensor. The sensor area in the E-M10 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 A6400 has a native 3:2 aspect ratio, while the one in the E-M10 offers a 4:3 aspect.

Sony A6400 and Olympus E-M10 sensor measures

With 24MP, the A6400 offers a higher resolution than the E-M10 (15.9MP), but the A6400 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.76μm for the E-M10) due to its larger sensor. Moreover, the A6400 is a much more recent model (by 4 years and 11 months) than the E-M10, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

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-M10 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 Sony Alpha A6400 has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 100-102400. The corresponding ISO settings for the Olympus OM-D E-M10 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

A6400 versus E-M10 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the A6400 provides substantially higher image quality than the E-M10, with an overall score that is 11 points higher. This advantage is based on 1.2 bits higher color depth, 1.3 EV in additional dynamic range, and 0.7 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
2.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
3.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p24.113.5189583
4.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
5.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
6.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
7.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
8.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
9.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
10.
 
Sony A6100 APS-C 24.0 6000 40004K/30p24.113.6194784
11.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
12.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
13.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
14.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
15.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
16.
 
Sony NEX-6 APS-C 16.0 4912 32641080/60i23.713.1101878
17.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A6400 provides a higher video resolution than the E-M10. It can shoot video footage at 4K/30p, while the Olympus is limited to 1080/30p.

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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 A6400 offers a substantially higher resolution than the one in the E-M10 (2359k vs 1440k dots). The table below summarizes some of the other core capabilities of the Sony A6400 and Olympus E-M10 in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
2.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
3.
 
Fujifilm X-T302360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
4.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
5.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
6.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
7.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
8.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
9.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
10.
 
Sony A61001440 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
11.
 
Sony A63002359 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
12.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0/s Y n
13.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
14.
 
Sony A3000202 n3.0 / 230 fixed n 1/4000s 2.5/s Y n
15.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
16.
 
Sony NEX-62359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
17.
 
Sony NEX-72359 n3.0 / 921 tilting n 1/4000s 10.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that differentiates the E-M10 and the A6400 is in-body image stabilization (IBIS). The E-M10 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 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-M10 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 Olympus E-M10 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The A6400 writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the E-M10 uses SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 Sony Alpha A6400 and Olympus OM-D E-M10 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A6400Ystereo / monoY-micro2.0YYY
2.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
3.
 
Fujifilm X-T30Ystereo / monoY-micro3.1Y-Y
4.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
5.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
6.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
7.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
8.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
9.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
10.
 
Sony A6100Ystereo / monoY-micro2.0YYY
11.
 
Sony A6300Ystereo / monoY-micro2.0YY-
12.
 
Sony A5100-stereo / mono--micro2.0YY-
13.
 
Sony A6000Ystereo / mono--micro2.0YY-
14.
 
Sony A3000Ystereo / mono--mini2.0---
15.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
16.
 
Sony NEX-6Ystereo / mono--mini2.0Y--
17.
 
Sony NEX-7Ystereo / monoY-mini2.0---
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It is notable that the A6400 has a microphone port, which is missing on the E-M10. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The A6400 is a recent model that features in the current product line-up of Sony. In contrast, the E-M10 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-M10 was succeeded by the Olympus E-M10 II. Further information on the features and operation of the A6400 and E-M10 can be found, respectively, in the Sony A6400 Manual (free pdf) or the online Olympus E-M10 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Sony A6400 and the Olympus E-M10? Which camera is better? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Sony Alpha A6400:

  • More detail: Offers more megapixels (24 vs 15.9MP) with a 25% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (11 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.7 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1440k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.58x).
  • 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.
  • More compact: Is smaller (120x67mm vs 119x82mm) and thus needs less room in the bag.
  • Longer lasting: Can take more shots (410 versus 320) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 4 years and 11 months of technical progress since the E-M10 launch.

ilogo

Advantages of the Olympus OM-D E-M10:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 922k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More affordable: Was released into a lower priced segment (22 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in January 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the A6400 is the clear winner of the match-up (21 : 6 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 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.

A6400 21:06 E-M10

How about other alternatives? Do the specifications of the Sony A6400 and the Olympus E-M10 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the A6400 and the E-M10 in practical situations. 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 hands-on reviews by experts 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 899 amazon.com
2.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
3.
 
Fujifilm X-T305/5+ +5/584/1004.5/54.5/5 Feb 2019 899ebay.com
4.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 799ebay.com
5.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
6.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
7.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
8.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
9.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
10.
 
Sony A6100....4/582/1004/55/5 Aug 2019 749ebay.com
11.
 
Sony A63004.5/5+..85/1005/55/5 Feb 2016 999ebay.com
12.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549ebay.com
13.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 599ebay.com
14.
 
Sony A30003/5+....4/54/5 Aug 2013 329ebay.com
15.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749ebay.com
16.
 
Sony NEX-65/5+ +..78/1004.5/54.5/5 Sep 2012 999ebay.com
17.
 
Sony NEX-75/5+ +..81/1004.5/55/5 Aug 2011 1,349ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A6400 vs Olympus E-M10

    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 Sony A6400 Olympus E-M10
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Micro Four Thirds lenses
    Launch Date January 2019 January 2014
    Launch Price USD 899 USD 699
    Sensor Specs Sony A6400 Olympus E-M10
    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 no AA filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 100 - 32,000 ISO 200 - 25,600 ISO
    ISO Boost 100 - 102,400 ISO 100 - 25,600 ISO
    Image Processor BIONZ X TruePic VII
    DXO Sensor Quality (score) 83 72
    DXO Color Depth (bits) 24 22.8
    DXO Dynamic Range (EV) 13.6 12.3
    DXO Low Light (ISO) 1431 884
    Screen Specs Sony A6400 Olympus E-M10
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.58x
    Viewfinder Resolution 2359k dots 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1037k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A6400 Olympus E-M10
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 11 shutter flaps/s 8 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in 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 A6400 Olympus E-M10
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Sony A6400 Olympus E-M10
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Sony NP-FW50 Olympus BLS-5
    Battery Life (CIPA)410 shots per charge320 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    119 x 82 x 46 mm
    (4.7 x 3.2 x 1.8 in)
    Camera Weight 403 g (14.2 oz) 396 g (14.0 oz)
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