Sony a9 vs Panasonic G9 II Specifications Comparison
| Camera Feature | Sony a9 | Panasonic G9 II |
|---|---|---|
| Announced | April 2017 | September 2023 |
| Camera Type | Mirrorless | Mirrorless |
| Sensor Type | Stacked CMOS | CMOS |
| Image Processor | BIONZ X | Venus with L2 |
| Resolution | 24.2 MP | 25.2 MP |
| Pixel Dimensions | 6000×4000 | 5776×4336 |
| Sensor Dimensions | 35.6 x 23.8 mm (Full Frame) | 17.3 x 13.0 mm (Micro Four Thirds) |
| Sensor Pixel Size | 5.93µ | 3.0µ |
| Low Pass Filter | Yes | No |
| IBIS (In-Body Image Stabilization) | Yes | Yes |
| Base ISO | ISO 100 | ISO 100 |
| Max Native ISO | ISO 51,200 | ISO 25,600 |
| Extended ISOs | ISO 50-204,800 | ISO 50-25,600 |
| High-Resolution Sensor Shift | No | Yes |
| Focus Stack Bracketing | No | Yes |
| Pre-Shoot Burst Mode | No | Yes |
| Fastest Shutter Speed | 1/32000 | 1/32000 |
| Longest Shutter Speed | 30 seconds | 60 seconds |
| Continuous Shooting (Mechanical Shutter) | 5 FPS | 14 FPS |
| Continuous Shooting (Electronic Shutter) | 20 FPS | 75 FPS |
| Notes for High FPS Shooting | Compressed 12-bit raw at 20 FPS (uncompressed 12-bit raw is available at 12 FPS) | Max FPS only with AFS |
| Buffer Size (Raw) | 241 frames (20 FPS) | 200 |
| Autofocus System | Hybrid PDAF | Hybrid PDAF |
| Autofocus Points | 693 | 779 |
| Maximum Low-Light AF Sensitivity (Standardized to f/2, ISO 100) | -3 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 | 120 FPS |
| 1080P Maximum Framerate | 120 FPS | 300 FPS |
| Additional Video Crop Factor | 1.2x crop at 4K 30p (4K 24/25p has no additional crop) | No |
| Chroma Subsampling | 4:2:0, 4:2:2 (External) | 4:2:2 |
| Video Recording Limit | 30 min | No limit |
Physical and Other Features | ||
| Card Slots | 2 | 2 |
| Slot 1 Type | SD (UHS-II) | SD (UHS-II) |
| Slot 2 Type | SD (UHS-I) | SD (UHS-II) |
| Rear LCD Size (Diagonal) | 3.0 in | 3.0 in |
| Rear LCD Resolution | 1.44 million dots | 1.84 million dots |
| Articulating LCD | Single Axis | Fully Articulating |
| Touchscreen | Yes | Yes |
| Viewfinder | EVF | EVF |
| Viewfinder Magnification | 0.78x | 0.80x (0.38x FF equiv.) |
| Viewfinder Resolution | 3.69 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 | Yes | Yes |
| WiFi | Yes | Yes |
| USB Type | Type B 2.0 | Type C 3.2 Gen 1 |
| Battery Type | NP-FZ100 | DMW-BLK22 |
| Battery Life (Viewfinder) | 480 frames | 390 frames |
| Battery Life (Rear LCD) | 650 frames | N/A |
| Weather Sealed | Yes | Yes |
| Weight (Body Only w/ Battery + Card) | 588 g (1.30 lbs.) | 575 g (1.27 lbs.) |
| Dimensions (LxHxD) | 127 x 96 x 73 mm (5.0 x 3.8 x 2.9″)1 | 134.3 x 102.3 x 90.1 mm (5.3 x 4 x 3.5″) |
Price Comparison | ||
| MSRP, Body Only | $4500 (Discontinued) | $1898 (Check Current Price) |
| Used Prices (Affiliate) | Sony a9 Used Prices | Panasonic G9 II Used Prices |
| 1The Sony a9’s official dimensions do not include the depth of the protruding viewfinder. To match typical standards today, 10mm were added to the a9’s depth measurement in this table. | ||
Questions? Go to our forum, where you can start a conversation and talk to photographers about these two cameras!
Photography Life is part of the B&H and KEH affiliate programs. When you make a purchase through the affiliate links in this article, we can be compensated with a percentage of each sale. If you found this comparison useful, buying anything through these links allows you to support Photography Life at no extra cost to you. Thank you for supporting our efforts!
