Camera comparison
Sony a6400 vs a6100: what actually changes
What changes for your kit, what stays the same, and the two drawn to one scale. From Sony's published specifications.
What changes
- Video: 4K up to 30p (24p from the full width) on the a6400; 4K up to 30p on the a6100.
The same on both
- Same Sony E mount: every one of the 158 lenses fits both.
- Neither has in-body stabilisation; stabilised lenses matter on both.
- Almost the same weight: 403 g and 396 g.
120 × 66.9 mma6100
120 × 66.9 mmCard
to scale
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Side by side
Differences only, as set.
| Camera | Sony a6400 | Sony a6100 |
|---|---|---|
| Lens mountSame | Sony E | Sony E |
| SensorSame | APS-C 23.5 × 15.6 mm, 24.2 MP | APS-C 23.5 × 15.6 mm, 24.2 MP |
| In-body stabilisationSame | No | No |
| Viewfinder | 2.36M-dot electronic | 1.44M-dot electronic |
| Rear screenSame | 3" tilts up 180°, touch | 3" tilts up 180°, touch |
| Fastest burstSame | 11 fps mechanical | 11 fps mechanical |
| Video | 4K up to 30p (24p from the full width) | 4K up to 30p |
| Memory cardsSame | 1 slot, SD / Memory Stick, UHS-I | 1 slot, SD / Memory Stick, UHS-I |
| Battery | NP-FW50, about 410 shots | NP-FW50, about 420 shots |
| Charges over USBSame | Yes | Yes |
| Microphone socketSame | Yes | Yes |
| Headphone socketSame | No | No |
| Built-in flashSame | Yes | Yes |
| Weather sealing | Not stated | No |
| Size (W × H × D) | 120 × 66.9 × 59.7 mm | 120 × 66.9 × 59.4 mm |
| Weight with battery and card | 403 g | 396 g |
| AnnouncedSame | 2019 | 2019 |
| Lenses that fit | 158 | 158 |
| Where to buy | Check price on AmazonSony page | Check price on AmazonSony page |
How big each one is
The a6100 is the same width, the same height and the same depth than the a6400 (120 − 120 = 0 mm wide).
120 × 59.7 mma6100
120 × 59.4 mm
The lenses each one takes
Both take the same 158 lenses on the Sony E mount, so a lens bought for one moves to the other. The a6400 is usually sold with the Sony E PZ 16-50mm F3.5-5.6 OSS.
a6400: first picks
- Everyday and travel: Sony E PZ 16-50mm F3.5-5.6 OSS II 24–75 mm equiv.
- People and portraits: Sigma 56mm F1.4 DC DN Contemporary 84 mm equiv.
- Wide scenes and rooms: Sony E PZ 10-20mm F4 G 15–30 mm equiv.
a6100: first picks
- Everyday and travel: Sony E PZ 16-50mm F3.5-5.6 OSS II 24–75 mm equiv.
- People and portraits: Sigma 56mm F1.4 DC DN Contemporary 84 mm equiv.
- Wide scenes and rooms: Sony E PZ 10-20mm F4 G 15–30 mm equiv.
Questions
Which is lighter, the a6400 or the a6100?
The a6100: 396 g against 403 g, each with battery and card, by the makers' figures.
Do a6400 lenses fit the a6100?
Yes. Both use the Sony E mount.
Do the a6400 and a6100 use the same battery?
Yes, the NP-FW50.
Facts checked 9 Oct 2026 against the makers' specification pages. How we check