Sony Alpha 7R II vs Sony Alpha 7R III (ILCE-7RM3A)

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Alpha 7R II compared with Alpha 7R III (ILCE-7RM3A)

	SonyAlpha 7R II	SonyAlpha 7R III (ILCE-7RM3A)
Overview
Released
Released	August 2015	June 2021
Image and sensor
Camera type
Camera type	Mirrorless	Mirrorless
Sensor format
Sensor format	Full frame	Full frame
Sensor type
Sensor type	Back-illuminated Exmor R CMOS	Back-illuminated Exmor R CMOS
Sensor dimensions
Sensor dimensions	35.9 × 24 mm	35.9 × 24 mm
Effective resolution
Effective resolution	42.4 MP	42.4 MP
Largest image
Largest image	7952 × 5304	7952 × 5304
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	100–25600	100–32000
Sensor detail
Sensor detail	Approximately 43.6 million total pixels; 3:2 back-illuminated sensor without an optical low-pass filter.	Approximately 43.6 million total pixels; 3:2 sensor. Pixel Shift Multi Shooting combines four shifted exposures, requiring a static camera/subject and computer processing.
Image formats
Image formats	JPEG, RAW and RAW+JPEG; Sony ARW 2.3. Current maker specifications include uncompressed RAW and 14-bit output.	JPEG, RAW and RAW+JPEG; Sony ARW 2.3, including uncompressed RAW.
ISO detail
ISO detail	Standard still-image ISO 100–25600; expanded ISO 50–102400. Multi Shot NR combines images separately from single-image sensitivity.	Standard still-image ISO 100–32000; expanded ISO 50–102400.
Image processor
Image processor	–	BIONZ X and front-end LSI.
Lens and shooting
Lens mount
Lens mount	Sony E-mount	Sony E-mount
Stabilisation
Stabilisation	Sensor shift	Sensor shift
Maximum continuous burst
Maximum continuous burst	5 fps	10 fps
Autofocus
Autofocus	Fast Hybrid AF with 399 full-frame phase-detection points and 25 contrast points; 357 phase points in APS-C mode. Eye AF and continuous AF supported.	Fast Hybrid AF with 399 full-frame phase-detection points and 425 contrast points. Human and animal Eye AF for stills; phase-point coverage differs with APS-C lenses and crop modes.
Shutter
Shutter	Focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second. Electronic first curtain and silent shooting supported.	Focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second. Electronic first curtain and silent shooting supported.
Burst detail
Burst detail	Up to approximately 5 fps in Continuous Hi with AF tracking, as Sony's launch announcement specifies; approximately 2.5 fps in Lo. Maker buffers include 23 compressed RAW or nine uncompressed RAW frames; speed depends on conditions.	Up to approximately 10 fps with AF/AE tracking, or approximately 8 fps with live view; Sony claims up to 76 compressed RAW/JPEG or 28 uncompressed RAW frames under its test conditions. Settings and shooting conditions affect actual performance.
Stabilisation detail
Stabilisation detail	Five-axis sensor shift; Sony claims 4.5 stops under CIPA pitch/yaw conditions with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off. Correction depends on lens compatibility.	Five-axis sensor shift; Sony claims 5.5 stops under CIPA pitch/yaw conditions with Planar T* FE 50mm F1.4 ZA and long-exposure noise reduction off. Correction depends on lens compatibility.
Video
Highest video resolution
Highest video resolution	3840 × 2160 at 30 fps	3840 × 2160 at 30 fps
Video detail
Video detail	Japanese specification lists XAVC S 4K at 30p or 24p and up to 100 Mbps; headline maximum reflects the Japanese/NTSC mode. Full-pixel readout without binning applies to Super 35mm 4K, not every full-frame recording mode. S-Log2; 8-bit 4:2:2 HDMI output. Full HD 60p and HD 720p120 are separate lower-resolution modes.	4K 3840 × 2160 recording up to 30p in NTSC mode or 25p in PAL mode; Super 35mm mode provides full-pixel readout without binning, while full-frame 4K is a separate mode. HLG, S-Log2 and S-Log3 supported.
Audio
Audio	Stereo microphone; 3.5 mm microphone and headphone sockets.	Stereo microphone; 3.5 mm microphone and headphone sockets.
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Electronic
Screen size
Screen size	3″	3″
Screen dots
Screen dots	1,228,800	2,359,296
Touchscreen
Touchscreen	No	Yes
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	TFT LCD tilts approximately 107° up and 41° down; no touchscreen.	This separately marketed ILCE-7RM3A revision has a 2,359,296-dot LCD, compared with 1,440,000 dots on the original ILCE-7RM3. Screen tilts approximately 107° up and 41° down; touch focus and touchpad operation supported.
Viewfinder detail
Viewfinder detail	0.5-inch electronic viewfinder with 2,359,296 dots, 100% coverage and approximately 0.78× magnification with a 50 mm lens at infinity.	0.5-inch Quad-VGA OLED electronic viewfinder with 3,686,400 dots, 100% coverage and approximately 0.78× magnification with a 50 mm lens at infinity.
Connections and design
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	–	Yes
Battery life (maker's claim)
Battery life (maker's claim)	340 photographs	640 photographs
Body weight
Body weight	582 g	572 g (better)
Release detail
Release detail	Sony Japan specifies 7 August 2015 for the ILCE-7RM2 body; this is the Japanese sale date, not a UK release claim.	Sony Japan's discontinued-model archive lists June 2021 for ILCE-7RM3A; no precise sale day is claimed. This is a Japanese release month, not a UK date.
Recording media
Recording media	Single slot supports SD, SDHC and SDXC including UHS-I, plus compatible Memory Stick formats.	Two media slots; one UHS-II-compatible SD slot and one SD/Memory Stick slot. Simultaneous and relay recording supported.
Ports
Ports	Multi/Micro USB, Micro HDMI, microphone and headphone sockets and Multi Interface Shoe.	USB Type-C with SuperSpeed USB 5 Gbps, Multi/Micro USB, Micro HDMI, microphone and headphone sockets, sync terminal and Multi Interface Shoe.
Wireless connections
Wireless connections	Wi-Fi IEEE 802.11b/g/n at 2.4 GHz and NFC.	Wi-Fi IEEE 802.11b/g/n at 2.4 GHz, NFC and Bluetooth 4.1.
Battery life detail
Battery life detail	NP-FW50; CIPA approximately 340 photographs using the LCD or 290 using the viewfinder. In-camera charging and USB power supported.	NP-FZ100; CIPA approximately 640 photographs using the LCD or 530 using the viewfinder. In-camera charging and power via USB Type-C or Multi/Micro USB.
Dimensions
Dimensions	Approximately 126.9 × 95.7 × 60.3 mm (width × height × depth, grip to monitor).	Approximately 126.9 × 95.6 × 73.7 mm (width × height × maximum depth); grip-to-monitor depth 62.7 mm.
Weight detail
Weight detail	Approximately 582 g body only; 625 g with battery and memory card; lens excluded.	Approximately 572 g body only according to Sony Japan; 657 g with battery and memory card; lens excluded.
Materials
Materials	–	Magnesium-alloy covers and internal frame; dust- and moisture-resistant design, not a waterproof rating.
In the box
In the box	Two NP-FW50 batteries, strap, cable protector, AC-UUD11 adaptor, BC-VW1 battery charger and Micro USB cable, according to Sony Japan.	Power cord, NP-FZ100 battery, cable protector, BC-QZ1 charger, shoulder strap, body cap, accessory shoe cap, eyepiece cup and USB Type-C cable, according to Sony UK.