Nikon D850 vs Sony A7R III
54 Imaging
76 Features
87 Overall
80
63 Imaging
76 Features
93 Overall
82
Nikon D850 vs Sony A7R III Key Specs
(Full Review)
- 46MP - Full frame Sensor
- 3.2" Tilting Screen
- ISO 64 - 25600 (Raise to 102400)
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Nikon F Mount
- 1015g - 146 x 124 x 79mm
- Released August 2017
- Old Model is Nikon D810
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Bump to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Launched October 2017
- Previous Model is Sony A7R II
- Updated by Sony A7R IV
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In this write-up, we will be comparing the Nikon D850 vs Sony A7R III, one is a Advanced DSLR and the latter is a Pro Mirrorless by rivals Nikon and Sony. The sensor resolution of the D850 (46MP) and the A7R III (42MP) is relatively well matched and they come with the same exact sensor sizing (Full frame).
Photobucket discusses licensing 13 billion images with AI firmsThe D850 was launched 2 months prior to the A7R III so they are of a similar generation. Each of these cameras offer different body type with the Nikon D850 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.
Before delving in to a more detailed comparison, below is a brief synopsis of how the D850 scores versus the A7R III when it comes to portability, imaging, features and an overall mark.
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Below is a preview of the gallery photos for Nikon D850 and Sony Alpha A7R III. The complete galleries are available at Nikon D850 Gallery and Sony A7R III Gallery.
Reasons to pick Nikon D850 over the Sony A7R III
| D850 | A7R III | |||
|---|---|---|---|---|
| Screen sizing | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 2359k | 1440k | Sharper screen (+919k dot) |
Reasons to pick Sony A7R III over the Nikon D850
| A7R III | D850 |
|---|
Common features in the Nikon D850 and Sony A7R III
| D850 | A7R III | |||
|---|---|---|---|---|
| Launched | August 2017 | October 2017 | Similar generation | |
| Manual focus | Very accurate focusing | |||
| Screen type | Tilting | Tilting | Tilting screen | |
| Selfie screen | Lacking selfie screen | |||
| Touch screen | Quickly navigate |
Nikon D850 vs Sony A7R III Physical Comparison
When you are looking to travel with your camera regularly, you need to factor in its weight and measurements. The Nikon D850 features exterior measurements of 146mm x 124mm x 79mm (5.7" x 4.9" x 3.1") accompanied by a weight of 1015 grams (2.24 lbs) and the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).
Look at the Nikon D850 vs Sony A7R III in the new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that moment. Underneath is the front view dimension comparison of the D850 and the A7R III.

Considering size and weight, the portability score of the D850 and A7R III is 54 and 63 respectively.
Nikon D850 vs Sony A7R III Sensor Comparison
Often, its tough to envision the difference between sensor dimensions purely by reading through technical specs. The pic underneath should offer you a better sense of the sensor measurements in the D850 and A7R III.
As you can tell, each of the cameras offer the same exact sensor sizing albeit not the same resolution. You should count on the Nikon D850 to give greater detail utilizing its extra 4MP. Higher resolution can also let you crop shots a little more aggressively.
Nikon D850 vs Sony A7R III Screen and ViewFinder
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Nikon D850 vs Sony A7R III Specifications
| Nikon D850 | Sony Alpha A7R III | |
|---|---|---|
| General Information | ||
| Make | Nikon | Sony |
| Model | Nikon D850 | Sony Alpha A7R III |
| Class | Advanced DSLR | Pro Mirrorless |
| Released | 2017-08-24 | 2017-10-25 |
| Physical type | Mid-size SLR | SLR-style mirrorless |
| Sensor Information | ||
| Processor Chip | Expeed 5 | Bionz X |
| Sensor type | BSI-CMOS | BSI-CMOS |
| Sensor size | Full frame | Full frame |
| Sensor dimensions | 35.9 x 23.9mm | 35.9 x 24mm |
| Sensor area | 858.0mm² | 861.6mm² |
| Sensor resolution | 46 megapixels | 42 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 5:4, 3:2 and 16:9 | 3:2 and 16:9 |
| Maximum resolution | 8256 x 5504 | 7952 x 5304 |
| Maximum native ISO | 25600 | 32000 |
| Maximum boosted ISO | 102400 | 102400 |
| Min native ISO | 64 | 100 |
| RAW support | ||
| Min boosted ISO | 32 | 50 |
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 153 | 425 |
| Cross focus points | 99 | - |
| Lens | ||
| Lens mounting type | Nikon F | Sony E |
| Total lenses | 309 | 121 |
| Focal length multiplier | 1 | 1 |
| Screen | ||
| Screen type | Tilting | Tilting |
| Screen diagonal | 3.2 inches | 3 inches |
| Screen resolution | 2,359 thousand dots | 1,440 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 3,686 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.75x | 0.78x |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/8000s | 1/8000s |
| Continuous shooting rate | 7.0 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash settings | Front-curtain sync (normal), Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync, Slow sync | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Maximum flash synchronize | 1/250s | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p, MOV, H.264, Linear PCM | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video file format | MPEG-4 | MPEG-4, AVCHD, XAVC S |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 3.1 Gen 1(5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 1015g (2.24 pounds) | 657g (1.45 pounds) |
| Dimensions | 146 x 124 x 79mm (5.7" x 4.9" x 3.1") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
| DXO scores | ||
| DXO All around score | 100 | 100 |
| DXO Color Depth score | 26.4 | 26.0 |
| DXO Dynamic range score | 14.8 | 14.7 |
| DXO Low light score | 2660 | 3523 |
| Other | ||
| Battery life | 1840 images | 650 images |
| Battery type | Battery Pack | Battery Pack |
| Battery model | EN-EL15a | NP-FZ100 |
| Self timer | Yes (2, 5, 10, 20 secs) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) + XQD | Two SD/SDHC/SDXC slots (UHS-II support on one) |
| Card slots | Dual | Dual |
| Launch cost | $2,997 | $2,800 |