Camera comparison
Sony a6400 vs a6700: what actually changes
Ready to shoot, with battery and card, the Sony a6700 weighs 493 g, 90 g more than the a6400 (403 g).
The a6400 and the a6700 take the same 251 Sony E lenses; they differ in stabilisation, weight, handling, screen, card slots, battery, video, headphone socket and flash. Each difference below, with the two drawn to one scale, from Sony's published specifications.
What changes
- In-body stabilisation: only the a6700 has it, so every lens is steadied there, including unstabilised primes.
- Weight: the a6700 weighs 90 g more (493 g against 403 g with battery and card).
- Handling: the a6400 has 2 control dials, no joystick; the a6700 has 3 control dials, no joystick.
- Screen: tilts up 180° on the a6400, vari-angle on the a6700.
- Cards: one UHS-I slot on the a6400, one UHS-II slot on the a6700.
The same on both
- Same Sony E mount: every one of the 251 lenses fits both.
- Similar resolution: 24.2 and 26 MP.
120 × 66.9 mma6700
122 × 69 mmAA
batteryBank card
85.6 × 54 mm
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Side by side
Showing the rows that differ.
| Camera | Sony a6400 | Sony a6700 |
|---|---|---|
| Lens mountSame | Sony E | Sony E |
| Sensor | APS-C 23.5 × 15.6 mm, 24.2 MP | APS-C 23.3 × 15.5 mm, 26 MP |
| In-body stabilisation | No | Yes |
| ViewfinderSame | 2.36M-dot electronic | 2.36M-dot electronic |
| Rear screen | 3" tilts up 180°, touch | 3" vari-angle, touch |
| Dials and joystick | 2 control dials, no joystick | 3 control dials, no joystick |
| Fastest burst | 11 fps mechanical shutter | 11 fps mechanical shutter · 11 fps electronic shutter |
| Video | 4K up to 30p (24p from the full width) | 4K up to 60p from the full width (6K oversampled); 4K 120p cropped |
| Memory cards | 1 slot, SD / Memory Stick, UHS-I | 1 slot, SD, UHS-II |
| Battery | NP-FW50 (42 g), about 410 shots | NP-FZ100 (83 g), about 570 shots |
| Charges over USB | Yes, Micro USB | Yes, USB-C |
| Microphone socketSame | Yes | Yes |
| Headphones | No | Yes, a socket |
| Built-in flash | Yes | No |
| Weather sealingSame | Yes | Yes |
| Size (W × H × D) | 120 × 66.9 × 59.7 mm | 122 × 69 × 75.1 mm |
| Weight with battery and card | 403 g | 493 g |
| Announced | 2019 | 2023 |
| Lenses that fit | 251 | 251 |
| Where to buy | Check price on AmazonSony product page | Check price on AmazonSony product page |
How big each one is
The a6700 is 2 mm wider, 2.1 mm taller and 15.4 mm deeper than the a6400 (122 − 120 = 2 mm wide).
120 × 59.7 mma6700
122 × 75.1 mm
Choose by what matters to you
- The a6400 if weight matters most.
- The a6700 if you want every lens stabilised, or you change settings with dials rather than menus, or you record video with sound, or you want more shots per charge, or you film yourself or shoot from odd angles.
The lenses each one takes
Both take the same 251 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; the a6700 with the Sony E 18-135mm 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.
a6700: 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.
If you already have one of them
Pick the camera you have and tick your lenses. The answer says what moves to the other camera, what the kit then weighs and what you would buy.
An example: the a6400 with its kit lens. Pick your camera and tick your lenses to change it.
Moving from the a6400 to the a6700
What you would buy
Questions
Which is lighter, the a6400 or the a6700?
The a6400: 403 g against 493 g, each with battery and card, by the makers' figures.
Do a6400 lenses fit the a6700?
Yes. Both use the Sony E mount.
Do the a6400 and a6700 use the same battery?
No: the a6400 takes the NP-FW50 and the a6700 the NP-FZ100.
Facts from the makers' specification pages. How we check