Compare Sony Alpha 1 II vs Sony RX1R III
In this technical comparison between the Sony Alpha 1 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 $6,499.99 USD and 5000 USD.
| Specifications |
Sony Alpha 1 II |
Sony RX1R III |
|---|---|---|
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|
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| Launch | ||
| Version | December 2024 | July, 2025 |
| Body | ||
| Dimensions | 136.1× 96.9× 82.9 mm | 113.3×67.9×87.5 mm (4.5×2.7×3.4") |
| Weight | 743g (with battery and card) / 658g (Body only) | 498 g (with battery and media) |
| Mount | Sony E-mount | Fixed Lens (ZEISS Sonnar T* 35mm f/2) |
| Weather sealing | Yes (Enhanced dust and moisture resistance; inherits a9 III body design) | No (Magnesium alloy chassis, but not rated) |
| Sensor | ||
| Type | Stacked BSI Exmor RS CMOS with dedicated AI Processing Unit | Exmor R BSI-CMOS |
| Size | Full-frame (35.9× 24.0 mm) | Full-Frame (35.9×24.0 mm) |
| Resolution | 50.1 Megapixels | 61.0 Megapixels |
| ISO range | 100 - 32,000 (Stills expandable to 50–102,400) | 100 – 32,000 (Expands to 50 – 102,400) |
| Stabilization | 5-Axis In-Body Image Stabilization (IBIS); 8.5 stops (Center) / 7.0 stops (Periphery) | Electronic/Digital only (Active Mode for video) |
| Display & Viewfinder | ||
| Rear screen | 3.2-inch 4-axis Multi-angle Touchscreen LCD (2.1M dots) | 3.0" Fixed Touchscreen LCD (2.36M dots) |
| Viewfinder | 0.64-type QXGA OLED EVF (9.44M dots), 0.90x magnification, up to 240 fps refresh rate | Fixed 0.39" OLED EVF (2.36M dots, 0.7x mag) |
| Autofocus | ||
| AF Points | 759 points (Phase-detection) covering 92% of the sensor | 693 Phase-detection points (78% coverage) |
| AF System | Fast Hybrid AF with AI-based Real-time Recognition | Fast Hybrid AF with AI Processing Unit |
| Eye AF | Humans (improved by 30%), Animals, Birds, Insects, Cars, Trains, and Airplanes | Real-time Eye AF (Human, Animal, Bird, Insect) |
| Photo | ||
| Continuous shooting | Up to 30 fps (Electronic Shutter) with full AF/AE tracking; 10 fps (Mechanical) | 5 fps |
| Formats | 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 | JPEG, HEIF, RAW (Compressed/Lossless/Uncompressed) |
| Video | ||
| Max Resolution & FPS | 8K at up to 30p; 4K at up to 120p (10-bit 4:2:2) | 4K at 30p / 1080p at 120p |
| Bit-depth | 10-bit internal; 16-bit RAW output via HDMI | 10-bit 4:2:2 (Internal & HDMI) |
| Mic / Headphone ports | Yes (3.5 mm for both); supports 4-channel audio via Multi Interface Shoe | 3.5mm Mic jack (No dedicated headphone jack) |
| HDMI output | Full-size HDMI (Type-A) | Micro-HDMI (Type-D) |
| Storage | ||
| Card slots | Dual Slots (Both slots are hybrid) | Single Slot |
| Type | CFexpress Type A or SD (UHS-I/UHS-II) | SD / SDHC / SDXC (UHS-II compatible) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) 2x2 MIMO | Wi-Fi 5 (802.11ac) |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 |
| USB / HDMI | USB-C (USB 3.2 Gen 2, 10Gbps) / Full HDMI / 2.5G Ethernet (RJ45) | USB-C (3.2 Gen 2) / Micro-HDMI |
| Battery | ||
| Model | NP-FZ100 | NP-FW50 Lithium-Ion |
| CIPA shots | Approx. 420 shots (EVF) / 520 shots (LCD) | Approx. 270 – 300 shots |
| USB charging | Yes (USB-PD Power Delivery supported) | Yes (USB Power Delivery supported) |
| Misc | ||
| Inside the box | Alpha 1 II Body, NP-FZ100 Battery, BC-ZD1 Dual Battery Charger, USB-C Cable, Shoulder Strap, Two Eyecups (Standard & Deep) | Camera, Battery, Lens Cap, Strap, USB-C Cable |
| Price | $6,499.99 USD | 5000 USD |
| Full Details | Alpha 1 II - Full Specifications | RX1R III - Full Specifications |