Compare Sony A7R IV vs Sony A6600
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Headphone + Microphone + Remote Control + USB 2.0
Wireless Connectivity
802.11ac + Bluetooth 4.1 + NFC
802.11b/g/n + NFC
Construction
Adjustment | Tilt
Adjustable up 107 deg, down 41 deg
Flip-up 180 deg & down 74 deg
Form Factor
Mirrorless camera
Mirrorless camera
Image Size
Full frame (35.7 x 23.8 mm)
APS-C (23.5 x 15.6 mm)
Lens Mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Magnesium alloy
Microphone
Stereo
Stereo
Sensor | Resolution
61 MP (9504 x 6336)
24 MP (6000 x 4000)
Sensor | Type
BSI-CMOS
CMOS
Speakers
Mono
Mono
Dimensions
Size | Depth
78 mm / 3.07 in
69 mm / 2.72 in
Size | Height
96 mm / 3.78 in
67 mm / 2.64 in
Size | Width
129 mm / 5.08 in
120 mm / 4.72 in
Weight
665 g / 23.50 oz
503 g / 17.77 oz
Display
Display Diagonal
3 inch
3 inch
Display Type
Tilting TFT LCD
Tilting TFT LCD
Resolution
1,440,000 dots
921,600 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
0.78x
1.07x
Viewfinder | Resolution
5,760,000 dots
2,359,296 dots
Viewfinder | Type
Electronic
Electronic
Function
AE Bracketing
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
Autofocus
567 focus points
425 focus points
Crop Factor
1.0
1.5
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
Flash Sync Speed
1/250 s
1/160 s
GPS
No
No
ISO Range
ISO 100 ~ 32000 (expands to 50 ~ 102800)
100 ~ 32000 (expandable to 102400)
Image Stabilization
5.5 stops
5-axis
Intervalometer
Yes
Yes
Processor
Bionz X
Bionz X
Touch Screen
Yes
Yes
Video Codecs
MPEG-4, XAVC S, H.264
MPEG-4, AVCHD, XAVC S
Video Recording
4K (full-width)
Weather Resistance
Yes
Yes
Performance
Battery Life
670 shots
810 shots
Battery Life | Stills
530 shots (Viewfinder) / 670 shots (LCD)
720 shots (Viewfinder) / 810 shots (LCD)
Battery Life | Video
90 min (Viewfinder) / 105 min (LCD)
140 min (Viewfinder) / 150 min (LCD)
Dynamic Range
15 stops
Max Burst Rate
10.0 fps
11.0 fps
Shutter Speed
1/8000 to 30 s
1/4000 to 30 s
Storage
Dual SD/SDHC/SDXC (UHS-II compatible)
SD/SDHC/SDXC + Memory Stick Pro Duo
Production
Battery
NP-FZ100 lithium-ion battery & charger
NP-FZ100
Debut
2019-07-16
2019-08-28
Made In
Thailand
Model Name
ILCE-7RM4
ILCE-6600
Reviews
Neofiliac score
85%
60%
Pros
- Long battery life
- 5.5 stops of IBIS
- Good 10.0 fps burst rate
- Rather compact
- Exceptionally high 61 MP resolution
- Weather-sealed
- High resolution EVF
- Supports both WiFi and Bluetooth
- Exceptional battery life
- Good 11.0 fps burst rate
- Rather compact
- Weather-sealed
- Viewfinder with great 1.07x magnification
Cons
- Viewfinder with low 0.78x magnification
- Low resolution EVF
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