In this technical comparison between the Leica SL3-S 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 $5,295 USD / €5,190 (Body only at launch) and 5000 USD.
| Specifications |
Leica SL3-S |
Sony RX1R III |
|---|---|---|
|
|
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| Launch | ||
| Release Version | January 2025 | July, 2025 |
| Body | ||
| Body Dimensions | 141.2× 108× 82.7 mm | 113.3×67.9×87.5 mm (4.5×2.7×3.4") |
| Weight | 852g (with battery and SD card); 768g (Body only) | 498 g (with battery and media) |
| Mount | Leica L-Mount | Fixed Lens (ZEISS Sonnar T* 35mm f/2) |
| Weather Sealing | IP54-certified (Dust and splash protected) | No (Magnesium alloy chassis, but not rated) |
| Sensor | ||
| Sensor Technology | BSI-CMOS Full-Frame Sensor | Exmor R BSI-CMOS |
| Size | 36× 24 mm | Full-Frame (35.9×24.0 mm) |
| Image Resolution | 24.6 Megapixels (Effective) | 61.0 Megapixels |
| ISO Sensitivity | 100–100,000 (Expandable to 50–200,000) | 100 – 32,000 (Expands to 50 – 102,400) |
| Image Stabilization | 5-Axis In-Body Image Stabilization (IBIS); 5.0 stops compensation | Electronic/Digital only (Active Mode for video) |
| Display & Viewfinder | ||
| Rear screen | 3.2-inch Tilting Touchscreen LCD (2.3M dots) | 3.0" Fixed Touchscreen LCD (2.36M dots) |
| Viewfinder | EyeRes OLED EVF (5.76M dots), 0.78x magnification, up to 120 fps refresh rate | Fixed 0.39" OLED EVF (2.36M dots, 0.7x mag) |
| Autofocus | ||
| AF Points | 779 Phase Detection points + 315 Contrast areas | 693 Phase-detection points (78% coverage) |
| Autofocus System | Hybrid AF (PDAF + Depth Map/Object Detection + Contrast) | Fast Hybrid AF with AI Processing Unit |
| AI Subject Recognition | Yes (Human/Animal Detection including Body, Face, and Eye) | Real-time Eye AF (Human, Animal, Bird, Insect) |
| Photo | ||
| Continuous shooting | Up to 30 fps (Electronic Shutter, 12-bit) / 9 fps (Mechanical Shutter) | 5 fps |
| Formats | DNG (RAW), DNG + JPEG, JPEG; 96MP Multi-shot mode (Handheld/Tripod) | JPEG, HEIF, RAW (Compressed/Lossless/Uncompressed) |
| Video | ||
| Video Performance | 6K Open Gate (3:2) up to 30p; C4K/4K up to 60p | 4K at 30p / 1080p at 120p |
| Bit-depth | Internal 10-bit 4:2:2 (All-I/LongGOP); Supports ProRes 422 HQ (up to 5.8K) | 10-bit 4:2:2 (Internal & HDMI) |
| Audio Connectivity | Yes (3.5 mm for both) | 3.5mm Mic jack (No dedicated headphone jack) |
| HDMI output | Full-size HDMI 2.1 (Type-A); 5.9K RAW output supported | Micro-HDMI (Type-D) |
| Storage | ||
| Card slots | Dual Slots | Single Slot |
| Sensor Technology | 1x CFexpress Type B, 1x SD/SDHC/SDXC (UHS-II) | SD / SDHC / SDXC (UHS-II compatible) |
| Connectivity | ||
| Wi-Fi | 2.4/5 GHz with 2x2 MIMO support | Wi-Fi 5 (802.11ac) |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.2 |
| USB / HDMI | USB-C 3.1 Gen 2 (10 Gbps, supports charging/PD and Direct-to-SSD recording) / Full HDMI | USB-C (3.2 Gen 2) / Micro-HDMI |
| Battery | ||
| Model | BP-SCL6 | NP-FW50 Lithium-Ion |
| Battery Life | Approx. 315 shots | Approx. 270 – 300 shots |
| USB charging | Yes (USB-C Power Delivery and Charging) | Yes (USB Power Delivery supported) |
| Misc | ||
| Inside the box | Leica SL3-S Body, BP-SCL6 Battery, USB-C Cable, Carrying Strap | Camera, Battery, Lens Cap, Strap, USB-C Cable |
| Price | $5,295 USD / €5,190 (Body only at launch) | 5000 USD |
| Full Details | SL3-S - Full Specifications | RX1R III - Full Specifications |