In this technical comparison between the OM System OM-5 Mark II 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 Approx. $1,199 / £1,099 and 5000 USD.
| Specifications |
OM System OM-5 Mark II |
Sony RX1R III |
|---|---|---|
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| Launch | ||
| Version | June, 2025 | July, 2025 |
| Body | ||
| Dimensions | 125.3 x 85.2 x 49.7 mm | 113.3×67.9×87.5 mm (4.5×2.7×3.4") |
| Weight | 366g (Body only) / Approx. 418g (with 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 Certified (Dust, splash, and freeze-proof to -10°C) | No (Magnesium alloy chassis, but not rated) |
| Sensor | ||
| Type | Live MOS sensor | Exmor R BSI-CMOS |
| Size | 17.3 x 13.0 mm (Four Thirds) | Full-Frame (35.9×24.0 mm) |
| Resolution | 20.4 Megapixels (50MP Handheld High-Res / 80MP Tripod High-Res) | 61.0 Megapixels |
| ISO range | Low (approx. 64) – 25600 | 100 – 32,000 (Expands to 50 – 102,400) |
| Stabilization | 5-axis in-body image stabilization (IBIS); up to 6.5 stops (7.5 stops with Sync IS lenses) | Electronic/Digital only (Active Mode for video) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Vari-angle Touchscreen LCD (1.04M dots) | 3.0" Fixed Touchscreen LCD (2.36M dots) |
| Viewfinder | OLED Electronic Viewfinder (2.36M dots, 1.37x magnification) | Fixed 0.39" OLED EVF (2.36M dots, 0.7x mag) |
| Autofocus | ||
| AF Points | 121 points (All cross-type) | 693 Phase-detection points (78% coverage) |
| AF System | High-speed Imager AF (Phase detection + Contrast detection) | Fast Hybrid AF with AI Processing Unit |
| Eye AF | Yes (Face and Eye Priority AF) | Real-time Eye AF (Human, Animal, Bird, Insect) |
| Photo | ||
| Continuous shooting | 10 fps (Mechanical), up to 30 fps (Electronic/Silent) | 5 fps |
| Formats | RAW (12-bit), JPEG | JPEG, HEIF, RAW (Compressed/Lossless/Uncompressed) |
| Video | ||
| Max Resolution & FPS | 4K (3840 x 2160) at 30p; C4K (4096 x 2160) at 24p; Full HD up to 120p | 4K at 30p / 1080p at 120p |
| Bit-depth | 8-bit (External HDMI 4:2:2 8-bit) | 10-bit 4:2:2 (Internal & HDMI) |
| Mic / Headphone ports | 3.5mm Mic Port / No dedicated Headphone port | 3.5mm Mic jack (No dedicated headphone jack) |
| HDMI output | Micro HDMI (Type D) | Micro-HDMI (Type-D) |
| Storage | ||
| Card slots | 1 Slot | Single Slot |
| Type | SD / SDHC / SDXC (UHS-II compatible) | SD / SDHC / SDXC (UHS-II compatible) |
| Connectivity | ||
| Wi-Fi | Yes (built-in) | Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes (Low Energy) | Bluetooth 4.2 |
| USB / HDMI | USB-C (Supports charging and UVC/UAC webcam mode) / Micro HDMI | USB-C (3.2 Gen 2) / Micro-HDMI |
| Battery | ||
| Model | BLS-50 Li-ion battery | NP-FW50 Lithium-Ion |
| CIPA shots | Approx. 310 shots (Up to 660 in Quick Sleep Mode) | Approx. 270 – 300 shots |
| USB charging | Yes, via USB-C | Yes (USB Power Delivery supported) |
| Misc | ||
| Inside the box | Camera body, BLS-50 Battery, USB-C Cable, Shoulder Strap, Instruction Manual | Camera, Battery, Lens Cap, Strap, USB-C Cable |
| Price | Approx. $1,199 / £1,099 | 5000 USD |
| Full Details | OM-5 Mark II - Full Specifications | RX1R III - Full Specifications |