Sony a7S II vs Panasonic G9 Specifications Comparison
| Camera Feature | Sony a7S II | Panasonic G9 |
|---|---|---|
| Announced | September 2015 | November 2017 |
| Camera Type | Mirrorless | Mirrorless |
| Sensor Type | CMOS | CMOS |
| Image Processor | BIONZ X | Venus |
| Resolution | 12.2 MP | 20.3 MP |
| Pixel Dimensions | 4240×2832 | 5184×3888 |
| Sensor Dimensions | 35.6 x 23.8 mm (Full Frame) | 17.3 x 13.0 mm (Micro Four Thirds) |
| Sensor Pixel Size | 8.4µ | 3.3µ |
| Low Pass Filter | Yes | No |
| IBIS (In-Body Image Stabilization) | Yes | Yes |
| Base ISO | ISO 100 | ISO 200 |
| Max Native ISO | ISO 102,400 | ISO 25,600 |
| Extended ISOs | ISO 50-409,600 | ISO 100-25,600 |
| High-Resolution Sensor Shift | No | Yes |
| Focus Stack Bracketing | No | Yes |
| Pre-Shoot Burst Mode | No | Yes |
| Fastest Shutter Speed | 1/8000 | 1/32000 |
| Longest Shutter Speed | 30 seconds | 60 seconds |
| Continuous Shooting (Mechanical Shutter) | 5 FPS | 9 FPS |
| Continuous Shooting (Electronic Shutter) | 5 FPS | 60 FPS |
| Notes for High FPS Shooting | Autofocus fixed at first frame for 5 FPS shooting; 12-bit raw only | Max FPS only with AFS |
| Buffer Size (Raw) | 31 frames (5 FPS) | 60 |
| Autofocus System | Contrast Detect | CDAF |
| Autofocus Points | 169 | 225 |
| Maximum Low-Light AF Sensitivity (Standardized to f/2, ISO 100) | -4 EV | -4 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 | 10 bits |
| Raw Video | No | No |
| 4K Maximum Framerate | 30 FPS | 30 FPS |
| 1080P Maximum Framerate | 120 FPS | 180 FPS |
| Additional Video Crop Factor | No | No |
| Chroma Subsampling | 4:2:0, 4:2:2 (External) | 4:2:2 |
| Video Recording Limit | 30 min | 30 min |
Physical and Other Features | ||
| Card Slots | 1 | 2 |
| Slot 1 Type | SD (UHS-I) | SD (UHS-II) |
| Slot 2 Type | N/A | SD (UHS-II) |
| Rear LCD Size (Diagonal) | 3.0 in | 3.0 in |
| Rear LCD Resolution | 1.23 million dots | 1.04 million dots |
| Articulating LCD | Single Axis | Fully Articulating |
| Touchscreen | No | Yes |
| Viewfinder | EVF | EVF |
| Viewfinder Magnification | 0.78x | 0.83x (0.40x FF equiv.) |
| Viewfinder Resolution | 2.36 million dots | 3.86 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 | Micro USB |
| Battery Type | NP-FW50 | DMW-BLF19 |
| Battery Life (Viewfinder) | 310 frames | 400 frames |
| Battery Life (Rear LCD) | 370 frames | N/A |
| Weather Sealed | Yes | Yes |
| Weight (Body Only w/ Battery + Card) | 627 g (1.38 lbs.) | 579 g (1.28 lbs.) |
| Dimensions (LxHxD) | 127 x 96 x 70 mm (5.0 x 3.8 x 2.8″)1 | 136.9 x 97.3 x 91.6 mm (5.4 x 3.8 x 3.6″) |
Price Comparison | ||
| MSRP, Body Only | $3000 (Discontinued) | $1699 (Check Current Price) |
| Used Prices (Affiliate) | Sony a7S II Used Prices | Panasonic G9 Used Prices |
| 1The Sony a7S II’s official dimensions do not include the depth of the protruding viewfinder. To match typical standards today, 10mm were added to the a7S II’s depth measurement in this table. | ||
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