Sony a1 vs Sony A6400
61 Imaging
81 Features
93 Overall
85


83 Imaging
69 Features
88 Overall
76
Sony a1 vs Sony A6400 Key Specs
(Full Review)
- 50MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Boost to 102400)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 7680 x 4320 video
- Sony E Mount
- 737g - 129 x 97 x 70mm
- Introduced January 2021
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Increase to 102400)
- 3840 x 2160 video
- Sony E Mount
- 403g - 120 x 67 x 50mm
- Revealed January 2019

Sony a1 vs Sony A6400 Overview
Below, we will be looking at the Sony a1 versus Sony A6400, former being a Pro Mirrorless while the latter is a Advanced Mirrorless and both are designed by Sony. There is a sizable difference among the sensor resolutions of the a1 (50MP) and A6400 (24MP) and the a1 (Full frame) and A6400 (APS-C) use different sensor measurements.

The a1 was revealed 2 years later than the A6400 and that is a fairly significant difference as far as camera tech is concerned. Both the cameras come with different body type with the Sony a1 being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.
Before delving in to a thorough comparison, below is a brief summary of how the a1 matches up against the A6400 in relation to portability, imaging, features and an overall rating.

Sony a1 vs Sony A6400 Gallery
The following is a preview of the gallery images for Sony Alpha a1 & Sony Alpha a6400. The full galleries are available at Sony a1 Gallery & Sony A6400 Gallery.
Reasons to pick Sony a1 over the Sony A6400
a1 | A6400 | |||
---|---|---|---|---|
Revealed | January 2021 | ![]() | January 2019 | Fresher by 25 months |
Screen resolution | 1440k | ![]() | 922k | Clearer screen (+518k dot) |
Reasons to pick Sony A6400 over the Sony a1
A6400 | a1 | |||
---|---|---|---|---|
Selfie screen | ![]() | Easy selfies |
Common features in the Sony a1 and Sony A6400
a1 | A6400 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial exact focus | ||
Screen type | Tilting | ![]() | Tilting | Tilting screen |
Screen dimension | 3" | ![]() | 3" | Identical screen measurements |
Touch screen | ![]() | Quickly navigate |
Sony a1 vs Sony A6400 Physical Comparison
If you are aiming to carry your camera frequently, you'll have to factor in its weight and volume. The Sony a1 has outside measurements of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") and a weight of 737 grams (1.62 lbs) while the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).
Look at the Sony a1 versus Sony A6400 in our brand new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary based on the lens you choose during that time. Underneath is the front view sizing comparison of the a1 compared to the A6400.

Factoring in size and weight, the portability rating of the a1 and A6400 is 61 and 83 respectively.

Sony a1 vs Sony A6400 Sensor Comparison
Generally, it is tough to imagine the difference in sensor sizing simply by viewing specifications. The visual underneath should provide you a much better sense of the sensor measurements in the a1 and A6400.
Plainly, the two cameras posses different resolutions and different sensor sizing. The a1 with its bigger sensor is going to make getting bokeh less difficult and the Sony a1 will provide you with greater detail because of its extra 26MP. Higher resolution will also enable you to crop pictures somewhat more aggressively. The more recent a1 should have an advantage when it comes to sensor innovation.

Sony a1 vs Sony A6400 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sony a1 vs Sony A6400 Specifications
Sony Alpha a1 | Sony Alpha a6400 | |
---|---|---|
General Information | ||
Brand | Sony | Sony |
Model type | Sony Alpha a1 | Sony Alpha a6400 |
Type | Pro Mirrorless | Advanced Mirrorless |
Introduced | 2021-01-26 | 2019-01-15 |
Body design | SLR-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Processor Chip | - | Bionz X |
Sensor type | BSI-CMOS | CMOS |
Sensor size | Full frame | APS-C |
Sensor dimensions | 35.9 x 24mm | 23.5 x 15.6mm |
Sensor surface area | 861.6mm² | 366.6mm² |
Sensor resolution | 50 megapixels | 24 megapixels |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 3:2 and 16:9 |
Maximum resolution | 8640 x 5760 | 6000 x 4000 |
Maximum native ISO | 32000 | 32000 |
Maximum boosted ISO | 102400 | 102400 |
Minimum native ISO | 100 | 100 |
RAW photos | ||
Minimum boosted ISO | 50 | - |
Autofocusing | ||
Focus manually | ||
AF touch | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detect focusing | ||
Contract detect focusing | ||
Phase detect focusing | ||
Total focus points | 759 | 425 |
Lens | ||
Lens mount type | Sony E | Sony E |
Total lenses | 133 | 121 |
Focal length multiplier | 1 | 1.5 |
Screen | ||
Range of display | Tilting | Tilting |
Display diagonal | 3 inches | 3 inches |
Resolution of display | 1,440 thousand dot | 922 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | Electronic | Electronic |
Viewfinder resolution | 9,437 thousand dot | 2,359 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.9x | 0.7x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/8000s | 1/4000s |
Highest quiet shutter speed | 1/32000s | - |
Continuous shooting speed | 30.0 frames per sec | 11.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | no built-in flash | 6.00 m (at ISO 100) |
Flash settings | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync | Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Highest flash sync | 1/400s | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 7680x4320 (30p, 25p, 23.98) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 7680x4320 | 3840x2160 |
Video file format | XAVC S, XAVC HS, H.264, H.265 | MPEG-4, H.264, XAVC-S |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | Yes | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 737g (1.62 pounds) | 403g (0.89 pounds) |
Dimensions | 129 x 97 x 70mm (5.1" x 3.8" x 2.8") | 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 | 530 pictures | 410 pictures |
Battery form | Battery Pack | Battery Pack |
Battery ID | NP-FZ100 | NP-FW50 |
Self timer | Yes | Yes |
Time lapse recording | ||
Type of storage | Dual SD/CFexpress Type A slots (UHS-II supported) | SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) |
Storage slots | 2 | Single |
Cost at launch | $6,498 | $898 |