Olympus E-M1 III vs Sony A6400
67 Imaging
62 Features
96 Overall
75
83 Imaging
70 Features
88 Overall
77
Olympus E-M1 III vs Sony A6400 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Launched February 2020
- Older Model is Olympus E-M1 II
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Boost to 102400)
- 3840 x 2160 video
- Sony E Mount
- 403g - 120 x 67 x 50mm
- Revealed January 2019
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Below is a extended overview of the Olympus E-M1 III and Sony A6400, former being a Pro Mirrorless while the latter is a Advanced Mirrorless by companies Olympus and Sony. The image resolution of the E-M1 III (20MP) and the A6400 (24MP) is pretty similar but the E-M1 III (Four Thirds) and A6400 (APS-C) enjoy totally different sensor sizing.
Samsung Releases Faster Versions of EVO MicroSD CardsThe E-M1 III was launched 14 months later than the A6400 which makes the cameras a generation apart from each other. Both the cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.
Before going straight into a full comparison, below is a short synopsis of how the E-M1 III scores versus the A6400 with respect to portability, imaging, features and an overall grade.
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The following is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Sony Alpha a6400. The complete galleries are available at Olympus E-M1 III Gallery & Sony A6400 Gallery.
Reasons to pick Olympus E-M1 III over the Sony A6400
| E-M1 III | A6400 | |||
|---|---|---|---|---|
| Revealed | February 2020 |  | January 2019 | More recent by 14 months |
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Screen resolution | 1037k |  | 922k | Clearer screen (+115k dot) |
Reasons to pick Sony A6400 over the Olympus E-M1 III
| A6400 | E-M1 III |
|---|
Common features in the Olympus E-M1 III and Sony A6400
| E-M1 III | A6400 | |||
|---|---|---|---|---|
| Manually focus |  | Very accurate focusing | ||
| Screen dimension | 3" |  | 3" | Identical screen measurement |
| Selfie screen |  | Both are selfie friendly | ||
| Touch screen |  | Quickly navigate |
Olympus E-M1 III vs Sony A6400 Physical Comparison
If you're intending to lug around your camera regularly, you need to factor in its weight and proportions. The Olympus E-M1 III has got exterior dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Sony A6400 has measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).
Check out the Olympus E-M1 III and Sony A6400 in our completely new Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will change based on the lens you choose at that time. Underneath is the front view measurements comparison of the E-M1 III against the A6400.
Looking at size and weight, the portability rating of the E-M1 III and A6400 is 67 and 83 respectively.
Olympus E-M1 III vs Sony A6400 Sensor Comparison
Generally, its tough to see the gap between sensor measurements only by reading specifications. The photograph here may give you a stronger sense of the sensor dimensions in the E-M1 III and A6400.
Plainly, both cameras posses different megapixel count and different sensor measurements. The E-M1 III due to its tinier sensor will make getting shallower depth of field more difficult and the Sony A6400 will offer extra detail utilizing its extra 4 Megapixels. Higher resolution will allow you to crop photographs somewhat more aggressively. The more modern E-M1 III will have an edge when it comes to sensor technology.
Olympus E-M1 III vs Sony A6400 Screen and ViewFinder
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Olympus E-M1 III vs Sony A6400 Specifications
| Olympus OM-D E-M1 Mark III | Sony Alpha a6400 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Sony |
| Model type | Olympus OM-D E-M1 Mark III | Sony Alpha a6400 |
| Class | Pro Mirrorless | Advanced Mirrorless |
| Launched | 2020-02-11 | 2019-01-15 |
| Physical type | SLR-style mirrorless | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor | TruePic IX | Bionz X |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.4 x 13mm | 23.5 x 15.6mm |
| Sensor surface area | 226.2mm² | 366.6mm² |
| Sensor resolution | 20 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 1:1, 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 6000 x 4000 |
| Maximum native ISO | 25600 | 32000 |
| Maximum boosted ISO | - | 102400 |
| Minimum native ISO | 200 | 100 |
| RAW images | ||
| Minimum boosted ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 121 | 425 |
| Cross type focus points | 121 | - |
| Lens | ||
| Lens support | Micro Four Thirds | Sony E |
| Available lenses | 107 | 121 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Type of screen | Fully Articulated | Tilting |
| Screen size | 3 inch | 3 inch |
| Resolution of screen | 1,037 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dots | 2,359 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.74x | 0.7x |
| Features | ||
| Lowest shutter speed | 60s | 30s |
| Highest shutter speed | 1/8000s | 1/4000s |
| Highest silent shutter speed | 1/32000s | - |
| Continuous shooting rate | 60.0 frames per second | 11.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 6.00 m (at ISO 100) |
| Flash options | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash synchronize | 1/250s | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Maximum video resolution | 4096x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264 | MPEG-4, H.264, XAVC-S |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 580 grams (1.28 lb) | 403 grams (0.89 lb) |
| Dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 120 x 67 x 50mm (4.7" x 2.6" x 2.0") |
| DXO scores | ||
| DXO All around rating | not tested | 83 |
| DXO Color Depth rating | not tested | 24.0 |
| DXO Dynamic range rating | not tested | 13.6 |
| DXO Low light rating | not tested | 1431 |
| Other | ||
| Battery life | 420 images | 410 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | BLH-1 | NP-FW50 |
| Self timer | Yes (2 or 12 secs, custom) | Yes |
| Time lapse feature | ||
| Type of storage | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) |
| Card slots | Dual | One |
| Price at launch | $1,800 | $898 |
