Camera Comparison
Sony a7S III vs Sony a9 III
Key Differences
- Sony a9 III has a better continuous shooting (120 fps vs 10 fps).
- Sony a7S III has a better buffer (raw) (1000 shots vs 192 shots).
- Sony a9 III has a better effective resolution (24.6 MP vs 12.1 MP).
- Sony a7S III has a better price (msrp) ($3,499 vs $5,999).
- Sony a9 III has a better lcd resolution (2.10M dots vs 1.44M dots).
| Product | ||
|---|---|---|
| Imaging | ||
| Sensor Type | BSI CMOS | Global Shutter CMOS |
| Sensor Size | Full-Frame | Full-Frame |
| Effective Resolution | 12.1 MP | 24.6 MP |
| Max Image Size | 4K | 4K |
| Lens Mount | Sony E | Sony E |
| Exposure Control | ||
| ISO Range (Native) | 80 – 102400 | 250 – 25600 |
| ISO Range (Extended) | 40 – 409600 | 125 – 51200 |
| Mechanical Shutter | 1/8000 | − |
| Electronic Shutter | 1/8000 | 1/80000 |
| Flash Sync Speed | 1/250 | 1/80000 |
| Still Image Capture | ||
| Continuous Shooting | 10 fps | 120 fps |
| Buffer (RAW) | 1000 shots | 192 shots |
| Video Capture | ||
| Max Resolution | 4K | 4K |
| 8K Recording | − | − |
| 4K Recording | Up to 120p | Up to 120p |
| 1080p Recording | Up to 240p | Up to 240p |
| 10-bit Internal | Yes | Yes |
| Recording Limit | No limit | No limit |
| Log Profiles | S-Log3 / HLG / S-Cinetone | S-Log3 / HLG / S-Cinetone |
| Built-in Mic | Stereo | Stereo |
| Headphone Jack | Yes | Yes |
| Mic Input | Yes | Yes |
| HDMI Output | Full-size (Type A) | Full-size (Type A) |
| Focus | ||
| Phase Detect Points | 759 | 759 |
| Contrast Detect Points | − | 425 |
| Low Light AF | -6 EV | -5 EV |
| Eye AF | Yes | Yes |
| Animal AF | Yes | Yes |
| Vehicle AF | No | Yes |
| Viewfinder | ||
| EVF Type | OLED | OLED |
| EVF Resolution | 9.44M dots | 9.44M dots |
| EVF Magnification | 0.91x | 0.9x |
| Monitor | ||
| LCD Size | 3" | 3.2" |
| LCD Resolution | 1.44M dots | 2.10M dots |
| LCD Type | Vari-Angle | 4-Axis Tilting |
| Touch Screen | Yes | Yes |
| Interface | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | v5 | v5.3 |
| USB | USB-C 3.2 | USB-C 3.2 Gen 2 |
| GPS | No | No |
| General | ||
| Price (MSRP) | $3,499 | $5,999 |
| Body Material | Magnesium Alloy | Magnesium Alloy |
| Dimensions | 128.9×96.9×80.8 mm | 136.1×96.9×82.9 mm |
| Weight | 699g (1.54 lb) | 703g (1.55 lb) |
| Weather Sealed | Yes | Yes |
| In-Body Stabilization | Yes | Yes |
| Battery Life (EVF) | 510 shots | 520 shots |
| Battery Life (LCD) | 600 shots | 530 shots |
| Battery Type | NP-FZ100 | NP-FZ100 |
