Compare OM System OM-3 vs Sony Alpha 7 V
In this technical comparison between the OM System OM-3 and the Sony Alpha 7 V, 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 $2,899 USD.
| Specifications |
OM System OM-3 |
Sony Alpha 7 V |
|---|---|---|
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| Launch | ||
| Version | February 2025 | December 2025 |
| Body | ||
| Dimensions | 139.3× 88.9× 45.8 mm | 131.3 x 96.4 x 79.8 mm |
| Weight | Weight: 496g (including battery and SD card) | Approx. 665g (including battery and card) |
| Mount | Micro Four Thirds (MFT) | Sony E-mount |
| Weather sealing | IP53-rated (Dustproof, Splashproof, and Freezeproof to -10°C) | Yes; dust and moisture-resistant magnesium alloy construction |
| Sensor | ||
| Type | Stacked BSI Live MOS | Partially Stacked Exmor RS CMOS |
| Size | 17.3× 13.0 mm (Four Thirds) | Full-frame (35.9 x 23.9 mm) |
| Resolution | 20.4 Megapixels (Effective) | 33.0 Megapixels (Effective) |
| ISO range | 200 – 25,600 (Expandable to 80–102,400) | 100 - 51,200 (Expandable to 50–204,800 for stills) |
| 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 Stabilizer (IBIS); 7.5 stops (Center) / 6.5 stops (Edge) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Vari-angle Touchscreen LCD (1.62M dots) | 3.2-inch 4-axis multi-angle (tilt/flip) Touchscreen LCD (approx. 2.1 million dots) |
| Viewfinder | OLED Electronic Viewfinder (2.36M dots), 1.37x magnification (equivalent to 0.69x in 35mm) | 3.68M-dot Quad-VGA OLED EVF; 120fps refresh rate; Blackout-free |
| Autofocus | ||
| AF Points | 1,053 points (All Cross-type) | 759 Phase-detection points (94% coverage) |
| AF System | Phase Detection (Cross Quad Pixel AF) and Contrast Detection | Fast Hybrid AF with the new BIONZ XR2 processor and dedicated AI Processing Unit |
| Eye AF | AI Detection AF (Humans, Animals, Birds, Vehicles) | Real-time Recognition for Human, Animal, Bird, Insect, Car, Train, and Airplane |
| Photo | ||
| Continuous shooting | Up to 120 fps (S-AF), 50 fps (C-AF with Tracking), and 6 fps (Mechanical Shutter) | 10fps (Mechanical); 30fps (Electronic) with full AF/AE |
| Formats | RAW (12-bit), JPEG, and High-Res Shot (50MP Handheld / 80MP Tripod) | RAW (Uncompressed, Compressed, Lossless), HEIF (10-bit), JPEG |
| Video | ||
| Max Resolution & FPS | C4K / 4K UHD at up to 60p; Full HD at up to 240p (High-Speed) | 4K 60p (Uncropped, oversampled from 7K); 4K 120p (1.1x crop) |
| Bit-depth | 8-bit (H.264) or 10-bit (H.265 / HEVC); supports OM-Log and HLG | 10-bit 4:2:2 (XAVC S-I All-I, XAVC HS) |
| Mic / Headphone ports | 3.5 mm Stereo Mini Jacks for both | 3.5mm Stereo mini-jack for both; Digital Audio 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 |
| Type | SD / SDHC / SDXC (UHS-II supported) | Slot 1: CFexpress Type A / SD (UHS-II) | Slot 2: SD (UHS-II) |
| Connectivity | ||
| Wi-Fi | Built-in (2.4 / 5 GHz) | Wi-Fi 6E (2.4 / 5 / 6 GHz support) |
| Bluetooth | Built-in (v4.2 Low Energy) | Bluetooth 5.3 |
| USB / HDMI | USB-C (USB 3.0) / Micro-HDMI (Type-D) | Dual USB-C ports (one for 10Gbps data, one for PD power); Full-size HDMI |
| Battery | ||
| Model | BLX-1 Lithium-ion | NP-FZ100 |
| CIPA shots | Approx. 590 shots (Standard Mode) | Approx. 630 shots (LCD) / 520 shots (EVF) |
| USB charging | Supported (USB-PD Power Delivery supported) | Supported via USB Power Delivery (Fast Charging) |
| Misc | ||
| Inside the box | OM-3 Body, BLX-1 Battery, CB-USB13 Cable, Shoulder Strap, Instruction Manual | Alpha 7 V Body, Battery NP-FZ100, Shoulder Strap, Body Cap, Shoe Cap, Eyepiece Cup, USB-C to USB-C cable |
| Price | $1,999.99 USD | $2,899 USD |
| Full Details | OM-3 - Full Specifications | Alpha 7 V - Full Specifications |