Sony a7 II vs Sony a7S III Specifications Comparison
| Camera Feature | Sony a7 II | Sony a7S III |
|---|---|---|
| Announced | November 2014 | July 2020 |
| Camera Type | Mirrorless | Mirrorless |
| Sensor Type | CMOS | BSI CMOS |
| Image Processor | BIONZ X | BIONZ XR |
| Resolution | 24.3 MP | 12.1 MP |
| Pixel Dimensions | 6000×4000 | 4240×2832 |
| Sensor Dimensions | 35.8 x 23.9 mm (Full Frame) | 35.6 x 23.8 mm (Full Frame) |
| Sensor Pixel Size | 5.96µ | 8.4µ |
| Low Pass Filter | Yes | Yes |
| IBIS (In-Body Image Stabilization) | Yes | Yes |
| Base ISO | ISO 100 | ISO 80 |
| Max Native ISO | ISO 6400 | ISO 102,400 |
| Extended ISOs | ISO 50-25,600 | ISO 40-409,600 |
| High-Resolution Sensor Shift | No | No |
| Focus Stack Bracketing | No | No |
| Pre-Shoot Burst Mode | No | No |
| Fastest Shutter Speed | 1/8000 | 1/8000 |
| Longest Shutter Speed | 30 seconds | 30 seconds |
| Continuous Shooting (Mechanical Shutter) | 5 FPS | 10 FPS |
| Continuous Shooting (Electronic Shutter) | No electronic shutter | 10 FPS |
| Notes for High FPS Shooting | 12-bit raw in continuous drive mode (14-bit in single-shot mode) | None |
| Buffer Size (Raw) | 28 frames (5 FPS) | Over 1000 frames (10 FPS) |
| Autofocus System | Hybrid PDAF | Hybrid PDAF |
| Autofocus Points | 117 | 759 |
| Maximum Low-Light AF Sensitivity (Standardized to f/2, ISO 100) | -1 EV | -6 EV |
| Standard Flash Sync Speed | 1/250 | 1/250 |
| Curtain to Protect Sensor at Shutdown | No | No |
Video Features | ||
| Maximum Video Bit Depth (Internal) | 8 bits | 10 bits |
| Maximum Video Bit Depth (External) | 8 bits | 16 bits |
| Raw Video | No | Yes, externally |
| 4K Maximum Framerate | N/A | 120 FPS |
| 1080P Maximum Framerate | 60 FPS | 240 FPS |
| Additional Video Crop Factor | No | 1.1x crop at 4K 120p (otherwise no additional crop) |
| Chroma Subsampling | 4:2:0, 4:2:2 (External) | 4:2:2 |
| Video Recording Limit | 30 min | 780 min |
Physical and Other Features | ||
| Card Slots | 1 | 2 |
| Slot 1 Type | SD (UHS-I) | CFExpress Type A, or SD (UHS-II) |
| Slot 2 Type | N/A | CFExpress Type A, or SD (UHS-II) |
| Rear LCD Size (Diagonal) | 3.0 in | 3.0 in |
| Rear LCD Resolution | 1.23 million dots | 1.44 million dots |
| Articulating LCD | Single Axis | Fully Articulating |
| Touchscreen | No | Yes |
| Viewfinder | EVF | EVF |
| Viewfinder Magnification | 0.71x | 0.90x |
| Viewfinder Resolution | 2.36 million dots | 9.44 million dots |
| Viewfinder Coverage | 100% | 100% |
| Voice Memo | No | No |
| Headphone Jack | Yes | Yes |
| Microphone Jack | Yes | Yes |
| Built-in Flash | No | No |
| GPS | No | No |
| Bluetooth | No | Yes |
| WiFi | Yes | Yes |
| USB Type | Type B 2.0 | Type C 3.2 Gen 1 |
| Battery Type | NP-FW50 | NP-FZ100 |
| Battery Life (Viewfinder) | 270 frames | 510 frames |
| Battery Life (Rear LCD) | 350 frames | 600 frames |
| Weather Sealed | Yes | Yes |
| Weight (Body Only w/ Battery + Card) | 599 g (1.32 lbs.) | 699 g (1.54 lbs.) |
| Dimensions (LxHxD) | 127 x 96 x 70 mm (5.0 x 3.8 x 2.8″)1 | 129 x 97 x 81 mm (5.1 x 3.9 x 3.3″) |
Price Comparison | ||
| MSRP, Body Only | $1700 (Discontinued) | $3500 (Check Current Price) |
| Used Prices (Affiliate) | Sony a7 II Used Prices | Sony a7S III Used Prices |
| 1The Sony a7 II’s official dimensions do not include the depth of the protruding viewfinder. To match typical standards today, 10mm were added to the a7 II’s depth measurement in this table. | ||
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