In this technical comparison between the OM System OM-3 and the Sony RX1R III, 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 5000 USD.
| Specifications |
OM System OM-3 |
Sony RX1R III |
|---|---|---|
|
|
|
| Launch | ||
| Version | February 2025 | July, 2025 |
| Body | ||
| Dimensions | 139.3× 88.9× 45.8 mm | 113.3×67.9×87.5 mm (4.5×2.7×3.4") |
| Weight | Weight: 496g (including battery and SD card) | 498 g (with battery and media) |
| Mount | Micro Four Thirds (MFT) | Fixed Lens (ZEISS Sonnar T* 35mm f/2) |
| Weather sealing | IP53-rated (Dustproof, Splashproof, and Freezeproof to -10°C) | No (Magnesium alloy chassis, but not rated) |
| Sensor | ||
| Type | Stacked BSI Live MOS | Exmor R BSI-CMOS |
| Size | 17.3× 13.0 mm (Four Thirds) | Full-Frame (35.9×24.0 mm) |
| Resolution | 20.4 Megapixels (Effective) | 61.0 Megapixels |
| ISO range | 200 – 25,600 (Expandable to 80–102,400) | 100 – 32,000 (Expands to 50 – 102,400) |
| Stabilization | 5-Axis In-Body Image Stabilization (IBIS); 6.5 stops (Body) / 7.5 stops (Sync IS with compatible lenses) | Electronic/Digital only (Active Mode for video) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Vari-angle Touchscreen LCD (1.62M dots) | 3.0" Fixed Touchscreen LCD (2.36M dots) |
| Viewfinder | OLED Electronic Viewfinder (2.36M dots), 1.37x magnification (equivalent to 0.69x in 35mm) | Fixed 0.39" OLED EVF (2.36M dots, 0.7x mag) |
| Autofocus | ||
| AF Points | 1,053 points (All Cross-type) | 693 Phase-detection points (78% coverage) |
| AF System | Phase Detection (Cross Quad Pixel AF) and Contrast Detection | Fast Hybrid AF with AI Processing Unit |
| Eye AF | AI Detection AF (Humans, Animals, Birds, Vehicles) | Real-time Eye AF (Human, Animal, Bird, Insect) |
| Photo | ||
| Continuous shooting | Up to 120 fps (S-AF), 50 fps (C-AF with Tracking), and 6 fps (Mechanical Shutter) | 5 fps |
| Formats | RAW (12-bit), JPEG, and High-Res Shot (50MP Handheld / 80MP Tripod) | JPEG, HEIF, RAW (Compressed/Lossless/Uncompressed) |
| Video | ||
| Max Resolution & FPS | C4K / 4K UHD at up to 60p; Full HD at up to 240p (High-Speed) | 4K at 30p / 1080p at 120p |
| Bit-depth | 8-bit (H.264) or 10-bit (H.265 / HEVC); supports OM-Log and HLG | 10-bit 4:2:2 (Internal & HDMI) |
| Mic / Headphone ports | 3.5 mm Stereo Mini Jacks for both | 3.5mm Mic jack (No dedicated headphone jack) |
| HDMI output | Micro-HDMI (Type-D); 4:2:2 10-bit output supported | Micro-HDMI (Type-D) |
| Storage | ||
| Card slots | 1 slot | Single Slot |
| Type | SD / SDHC / SDXC (UHS-II supported) | SD / SDHC / SDXC (UHS-II compatible) |
| Connectivity | ||
| Wi-Fi | Built-in (2.4 / 5 GHz) | Wi-Fi 5 (802.11ac) |
| Bluetooth | Built-in (v4.2 Low Energy) | Bluetooth 4.2 |
| USB / HDMI | USB-C (USB 3.0) / Micro-HDMI (Type-D) | USB-C (3.2 Gen 2) / Micro-HDMI |
| Battery | ||
| Model | BLX-1 Lithium-ion | NP-FW50 Lithium-Ion |
| CIPA shots | Approx. 590 shots (Standard Mode) | Approx. 270 – 300 shots |
| USB charging | Supported (USB-PD Power Delivery supported) | Yes (USB Power Delivery supported) |
| Misc | ||
| Inside the box | OM-3 Body, BLX-1 Battery, CB-USB13 Cable, Shoulder Strap, Instruction Manual | Camera, Battery, Lens Cap, Strap, USB-C Cable |
| Price | $1,999.99 USD | 5000 USD |
| Full Details | OM-3 - Full Specifications | RX1R III - Full Specifications |