Head to head · specs cited · drawn to scale
Sony A6400 vs Sony A7 III
Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.
The 3 biggest published differences
- EVF resolution: the A7 III leads at 2,359,296 dots vs the A6400's 2 359 296 dots.
- Battery life (CIPA): the A7 III leads at Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor) (CIPA standard) vs the A6400's Approx. 360 shots (Viewfinder) / Approx. 410 shots (LCD monitor) (CIPA standard).
- Weight (body): the A6400 leads at 403 g vs the A7 III's 650 g.
 A6400 Sony E |  A7 III Sony E | |
|---|---|---|
| Overview | ||
| Type | Mirrorless | Mirrorless |
| Format | APS-C type (23.5 x 15.6mm) | full frame |
| Lens mount | Sony E | Sony E |
| Released | —, not published | —, not published |
| Sensor & Image | ||
| Sensor type | Exmor CMOS sensor | 35 mm full frame (35.6 × 23.8 mm), Exmor R® CMOS sensor |
| Sensor size | APS-C type (23.5 x 15.6mm) | full frame |
| Resolution (MP) | 24.2 | 24.2 |
| In-body stabilisation | none | 5.0 stops |
| ISO range | Still images: ISO 100-32000 (ISO numbers up to ISO 102400 can be set as expanded ISO range) | ISO 100-51200 (stills) |
| Autofocus & Speed | ||
| AF system | Fast Hybrid AF (phase-detection AF/contrast-detection AF); 425 points (phase-detection) / 425 points (contrast-detection) | 693-point phase-detection AF (35 mm full frame); Fast Hybrid AF (phase-detection AF/contrast-detection AF) |
| Subject detection | Eye AF (Right/Left Eye Select), Object Tracking, Face Detection (Face Priority in AF; max. number of detectable: 8) | Human eye (Eye AF) |
| Burst — mechanical | Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps | 10 fps (Hi+) |
| Burst — electronic | —, not published | —, not published |
| Video | ||
| Max video | XAVC S 4K: 3840 x 2160 (30p, 100M), 3840 x 2160 (24p, 100M) | 4K 30p (3840 x 2160, XAVC S, 100 Mbps) |
| Codecs / sampling | XAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264 | XAVC S, AVCHD (MPEG-4 AVC/H.264) |
| Recording limit | —, not published | Approx. 29 minutes (continuous movie recording limit) |
| Viewfinder & Screen | ||
| EVF resolution | 2 359 296 dots | 2,359,296 dots |
| EVF magnification | Approx. 1.07x (35mm camera equivalent: Approx. 0.70x) with 50mm lens at infinity | approx. 0.78x |
| Rear screen | 7.5cm (3.0-type) wide type TFT, 921 600 dots, tiltable up by approx. 180 degrees / down by approx. 74 degrees, Touch Panel: Yes | 2.95 inch (3.0-type) wide type TFT, 921,600 dots, tilt up approx. 107 degrees / down approx. 41 degrees, touch panel |
| Body & Handling | ||
| Dimensions (W×H×D) | 120 × 66.9 × 59.7 mm | 126.9 × 95.6 × 73.7 mm |
| Weight (body) | 403 g | 650 g |
| Weather sealing | —, not published | Anti-Dust System: Charge protection coating on optical filter and image sensor shift mechanism |
| Shutter durability | —, not published | —, not published |
| Power & Storage | ||
| Battery life (CIPA) | Approx. 360 shots (Viewfinder) / Approx. 410 shots (LCD monitor) (CIPA standard) | Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor) (CIPA standard) |
| Battery | NP-FW50 | NP-FZ100 |
| Card slots | Multi slot for Memory Stick Duo/SD memory card (single slot) | 2 slots: SLOT1 SD (UHS-I/II compliant); SLOT2 Multi slot for Memory Stick Duo/SD (UHS-I compliant) |
| Connectivity | ||
| USB | Multi/Micro USB Terminal; USB Power supply: Yes | USB Type-C Terminal (SuperSpeed USB (USB 3.1 Gen 1) compatible); Multi/Micro USB Terminal |
| Wireless | Wi-Fi IEEE 802.11b/g/n (2.4GHz band); Bluetooth Standard Ver. 4.1 (2.4GHz band); NFC (Type 3 Tag) | Wi-Fi Compatible, IEEE 802.11b/g/n (2.4 GHz band); Bluetooth Standard Ver. 4.1 (2.4 GHz band) |
| HDMI | HDMI micro connector (Type-D) | HDMI micro connector (Type-D) |
| Price | ||
| Launch price | —, not published | $1,999.99 (body only, USD; listed as "Original Price" on electronics.sony.com product page) |
| Size, to scale | ||
Front view, drawn at the same scale from each maker's published W×H (mm). | ||
| Smallest bag that fits | ||
| Body + standard zoom | Tenba BYOB 9 Camera Insert Fits with 24-105 f/4 · View at B&H Photo Video | Think Tank Mirrorless Mover 25 V2 Fits with 24-105 f/4 · View at B&H Photo Video |
Sources
“Sensor Type APS-C type (23.5 x 15.6mm), Exmor CMOS sensor ... Number Of Pixels (Effective) Approx. 24.2 megapixels ... Focus Point 425 points (phase-detection AF) / 425 points (contrast-detection AF) ... Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps ... Number of Dots 2 359 296 dots ... Supplied Battery One rechargeable battery pack NP-FW50”
“Compensation Effect 5.0 stops (based on CIPA standard. Pitch/yaw shake only. With Planar T* FE 50mm F1.4 ZA lens mounted. Long exposure NR off.) TYPE Image Sensor-Shift mechanism with 5-axis compensation (compensation depends on lens specifications)”
Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.
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