Compare Sony a7 III vs Sony a7R III
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
Wireless Connectivity
with NFC and wireless control via PlayMemories Mobile app
802.11b/g/n + NFC + Bluetooth
Construction
Form Factor
Mirrorless camera
Mirrorless camera
Image Size
Full frame (35.8 x 23.8 mm)
Full frame (35.9 x 24 mm)
Lens Mount
Sony E-mount
Sony E-mount
Microphone
Stereo
Stereo
Sensor | Resolution
24 MP (6000 x 4000)
42 MP (7952 x 5304)
Sensor | Type
BSI-CMOS
BSI-CMOS
Speakers
Mono
Mono
Dimensions
Size | Depth
74 mm / 2.91 in
74 mm / 2.91 in
Size | Height
96 mm / 3.78 in
96 mm / 3.78 in
Size | Width
127 mm / 5.00 in
127 mm / 5.00 in
Weight
650 g / 22.97 oz
657 g / 23.22 oz
Display
Display Diagonal
3 inch
3 inch
Display Type
Tilting
Tilting TFT LCD
Resolution
921,600 dots
1,440,000 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
0.78x
0.78x
Viewfinder | Resolution
2,359,296 dots
3,686,400 dots
Viewfinder | Type
Electronic
Electronic
Function
AE Bracketing
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
Autofocus
693 focus points
399 focus points
Crop Factor
1.0
1.0
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
GPS
No
No
ISO Range
100 ~ 51200
100 ~ 32000 (expands to 50 ~ 102400)
Image Stabilization
(5 stops)
5-axis (5.5 stops)
Intervalometer
No
No
Processor
Bionz X
Bionz X
Touch Screen
Yes
Yes
Video Codecs
MPEG-4, AVCHD, XAVC S, H.264
MPEG-4, AVCHD, XAVC S
Weather Resistance
Yes
Yes
Performance
Battery Life
710 shots
650 shots
Max Burst Rate
10.0 fps
10.0 fps
Storage
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Two SD/SDHC/SDXC slots (UHS-II support on one)
Production
Battery
NP-FZ100 lithium-ion battery and charger
NP-FZ100 lithium-ion battery and charger
Debut
2018-02-27
2017-10-25
Model Name
ILCE-7M3
ILCE-7RM3
Reviews
Neofiliac score
65%
74%
Pros
- Exceptional battery life
- 5 stops of IBIS
- Good 10.0 fps burst rate
- Rather compact
- Weather-sealed
- Long battery life
- 5.5 stops of IBIS
- Good 10.0 fps burst rate
- Rather compact
- High 42 MP resolution
- Weather-sealed
- Supports both WiFi and Bluetooth
Cons
- Viewfinder with low 0.78x magnification
- Low resolution EVF
- Lacks intervalometer for timelapse
- Viewfinder with low 0.78x magnification
- Lacks intervalometer for timelapse
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