In this technical comparison between the OM System OM-5 Mark II 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 Approx. $1,199 / £1,099 and $6,499.99 USD.
| Specifications |
OM System OM-5 Mark II |
Sony Alpha 1 II |
|---|---|---|
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| Launch | ||
| Release Version | June, 2025 | December 2024 |
| Body | ||
| Body Dimensions | 125.3 x 85.2 x 49.7 mm | 136.1× 96.9× 82.9 mm |
| Weight | 366g (Body only) / Approx. 418g (with battery and SD card) | 743g (with battery and card) / 658g (Body only) |
| Mount | Micro Four Thirds (MFT) | Sony E-mount |
| Weather Sealing | IP53 Certified (Dust, splash, and freeze-proof to -10°C) | Yes (Enhanced dust and moisture resistance; inherits a9 III body design) |
| Sensor | ||
| Sensor Technology | Live MOS sensor | Stacked BSI Exmor RS CMOS with dedicated AI Processing Unit |
| Size | 17.3 x 13.0 mm (Four Thirds) | Full-frame (35.9× 24.0 mm) |
| Image Resolution | 20.4 Megapixels (50MP Handheld High-Res / 80MP Tripod High-Res) | 50.1 Megapixels |
| ISO Sensitivity | Low (approx. 64) – 25600 | 100 - 32,000 (Stills expandable to 50–102,400) |
| Image Stabilization | 5-axis in-body image stabilization (IBIS); up to 6.5 stops (7.5 stops with Sync IS 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 (1.04M dots) | 3.2-inch 4-axis Multi-angle Touchscreen LCD (2.1M dots) |
| Viewfinder | OLED Electronic Viewfinder (2.36M dots, 1.37x magnification) | 0.64-type QXGA OLED EVF (9.44M dots), 0.90x magnification, up to 240 fps refresh rate |
| Autofocus | ||
| AF Points | 121 points (All cross-type) | 759 points (Phase-detection) covering 92% of the sensor |
| Autofocus System | High-speed Imager AF (Phase detection + Contrast detection) | Fast Hybrid AF with AI-based Real-time Recognition |
| AI Subject Recognition | Yes (Face and Eye Priority AF) | Humans (improved by 30%), Animals, Birds, Insects, Cars, Trains, and Airplanes |
| Photo | ||
| Continuous shooting | 10 fps (Mechanical), up to 30 fps (Electronic/Silent) | Up to 30 fps (Electronic Shutter) with full AF/AE tracking; 10 fps (Mechanical) |
| Formats | RAW (12-bit), JPEG | 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 | ||
| Video Performance | 4K (3840 x 2160) at 30p; C4K (4096 x 2160) at 24p; Full HD up to 120p | 8K at up to 30p; 4K at up to 120p (10-bit 4:2:2) |
| Bit-depth | 8-bit (External HDMI 4:2:2 8-bit) | 10-bit internal; 16-bit RAW output via HDMI |
| Audio Connectivity | 3.5mm Mic Port / No dedicated Headphone port | Yes (3.5 mm for both); supports 4-channel audio via Multi Interface Shoe |
| HDMI output | Micro HDMI (Type D) | Full-size HDMI (Type-A) |
| Storage | ||
| Card slots | 1 Slot | Dual Slots (Both slots are hybrid) |
| Sensor Technology | SD / SDHC / SDXC (UHS-II compatible) | CFexpress Type A or SD (UHS-I/UHS-II) |
| Connectivity | ||
| Wi-Fi | Yes (built-in) | Wi-Fi 5 (802.11ac) 2x2 MIMO |
| Bluetooth | Yes (Low Energy) | Bluetooth 5.0 |
| USB / HDMI | USB-C (Supports charging and UVC/UAC webcam mode) / Micro HDMI | USB-C (USB 3.2 Gen 2, 10Gbps) / Full HDMI / 2.5G Ethernet (RJ45) |
| Battery | ||
| Model | BLS-50 Li-ion battery | NP-FZ100 |
| Battery Life | Approx. 310 shots (Up to 660 in Quick Sleep Mode) | Approx. 420 shots (EVF) / 520 shots (LCD) |
| USB charging | Yes, via USB-C | Yes (USB-PD Power Delivery supported) |
| Misc | ||
| Inside the box | Camera body, BLS-50 Battery, USB-C 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 | Approx. $1,199 / £1,099 | $6,499.99 USD |
| Full Details | OM-5 Mark II - Full Specifications | Alpha 1 II - Full Specifications |