Compare Leica SL3-S vs Sony RX1R III

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
Leica SL3-S Sony RX1R III
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