Compare OM System OM-3 vs Sony Alpha 1 II
In this technical comparison between the OM System OM-3 and the Sony Alpha 1 II, we analyze the key features to help you choose.
Choosing between these two Cameras models often comes down to your budget, with prices around $1,999.99 USD and $6,499.99 USD.
| Specifications |
OM System OM-3 |
Sony Alpha 1 II |
|---|---|---|
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|
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| Launch | ||
| Version | February 2025 | December 2024 |
| Body | ||
| Dimensions | 139.3× 88.9× 45.8 mm | 136.1× 96.9× 82.9 mm |
| Weight | Weight: 496g (including battery and SD card) | 743g (with battery and card) / 658g (Body only) |
| Mount | Micro Four Thirds (MFT) | Sony E-mount |
| Weather sealing | IP53-rated (Dustproof, Splashproof, and Freezeproof to -10°C) | Yes (Enhanced dust and moisture resistance; inherits a9 III body design) |
| Sensor | ||
| Type | Stacked BSI Live MOS | Stacked BSI Exmor RS CMOS with dedicated AI Processing Unit |
| Size | 17.3× 13.0 mm (Four Thirds) | Full-frame (35.9× 24.0 mm) |
| Resolution | 20.4 Megapixels (Effective) | 50.1 Megapixels |
| ISO range | 200 – 25,600 (Expandable to 80–102,400) | 100 - 32,000 (Stills expandable to 50–102,400) |
| Stabilization | 5-Axis In-Body Image Stabilization (IBIS); 6.5 stops (Body) / 7.5 stops (Sync IS with compatible lenses) | 5-Axis In-Body Image Stabilization (IBIS); 8.5 stops (Center) / 7.0 stops (Periphery) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Vari-angle Touchscreen LCD (1.62M dots) | 3.2-inch 4-axis Multi-angle Touchscreen LCD (2.1M dots) |
| Viewfinder | OLED Electronic Viewfinder (2.36M dots), 1.37x magnification (equivalent to 0.69x in 35mm) | 0.64-type QXGA OLED EVF (9.44M dots), 0.90x magnification, up to 240 fps refresh rate |
| Autofocus | ||
| AF Points | 1,053 points (All Cross-type) | 759 points (Phase-detection) covering 92% of the sensor |
| AF System | Phase Detection (Cross Quad Pixel AF) and Contrast Detection | Fast Hybrid AF with AI-based Real-time Recognition |
| Eye AF | AI Detection AF (Humans, Animals, Birds, Vehicles) | Humans (improved by 30%), Animals, Birds, Insects, Cars, Trains, and Airplanes |
| Photo | ||
| Continuous shooting | Up to 120 fps (S-AF), 50 fps (C-AF with Tracking), and 6 fps (Mechanical Shutter) | Up to 30 fps (Electronic Shutter) with full AF/AE tracking; 10 fps (Mechanical) |
| Formats | RAW (12-bit), JPEG, and High-Res Shot (50MP Handheld / 80MP Tripod) | RAW (Compressed/Lossless/Uncompressed), JPEG, HEIF (4:2:0 / 4:2:2) --- Pre-Capture (up to 1 sec), Speed Boost, 199MP Pixel Shift Multi Shooting |
| Video | ||
| Max Resolution & FPS | C4K / 4K UHD at up to 60p; Full HD at up to 240p (High-Speed) | 8K at up to 30p; 4K at up to 120p (10-bit 4:2:2) |
| Bit-depth | 8-bit (H.264) or 10-bit (H.265 / HEVC); supports OM-Log and HLG | 10-bit internal; 16-bit RAW output via HDMI |
| Mic / Headphone ports | 3.5 mm Stereo Mini Jacks for both | Yes (3.5 mm for both); supports 4-channel audio via Multi Interface Shoe |
| HDMI output | Micro-HDMI (Type-D); 4:2:2 10-bit output supported | Full-size HDMI (Type-A) |
| Storage | ||
| Card slots | 1 slot | Dual Slots (Both slots are hybrid) |
| Type | SD / SDHC / SDXC (UHS-II supported) | CFexpress Type A or SD (UHS-I/UHS-II) |
| Connectivity | ||
| Wi-Fi | Built-in (2.4 / 5 GHz) | Wi-Fi 5 (802.11ac) 2x2 MIMO |
| Bluetooth | Built-in (v4.2 Low Energy) | Bluetooth 5.0 |
| USB / HDMI | USB-C (USB 3.0) / Micro-HDMI (Type-D) | USB-C (USB 3.2 Gen 2, 10Gbps) / Full HDMI / 2.5G Ethernet (RJ45) |
| Battery | ||
| Model | BLX-1 Lithium-ion | NP-FZ100 |
| CIPA shots | Approx. 590 shots (Standard Mode) | Approx. 420 shots (EVF) / 520 shots (LCD) |
| USB charging | Supported (USB-PD Power Delivery supported) | Yes (USB-PD Power Delivery supported) |
| Misc | ||
| Inside the box | OM-3 Body, BLX-1 Battery, CB-USB13 Cable, Shoulder Strap, Instruction Manual | Alpha 1 II Body, NP-FZ100 Battery, BC-ZD1 Dual Battery Charger, USB-C Cable, Shoulder Strap, Two Eyecups (Standard & Deep) |
| Price | $1,999.99 USD | $6,499.99 USD |
| Full Details | OM-3 - Full Specifications | Alpha 1 II - Full Specifications |