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Sony SLT Alpha 55 vs Sony SLT Alpha 77
Comparison

Optics
Video
Features
Storage & Battery

Sony SLT Alpha 55

Sony SLT Alpha 55
51%

Sony SLT Alpha 77

Sony SLT Alpha 77
Winner!
62%
Sony SLT Alpha 55
vs
Sony SLT Alpha 77
Price
Brand
Sony
Sony
Model
SLT Alpha 55
SLT Alpha 77
Released
2010
2011
Announcement Date
August 24, 2010
August 24, 2011
Camera Type
DSLR
DSLR
Camera Size
Camera Weight
Optics
Optics
58%
70%
Megapixels
16.2 MP
24.3 MP
Image Resolution
4912 x 3264 px
6000 x 4000 px
Sensor Type
CMOS
CMOS
Sensor Size
15.6 x 23.5 mm
15.6 x 23.5 mm
Sensor Format
APS-C
APS-C
Frame Rate
10 fps
12 fps
Lens Mount
Sony Alpha DT
Sony Alpha DT
Image Processor
Bionz
Bionz
Aspect Ratio
3:2
3:2
Minimum ISO (Native)
100
100
Maximum ISO (Native)
12,800
16,000
Minimum ISO (Expanded)
100
50
Maximum ISO (Expanded)
25600
16000
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 4000 s
1/ 8000 s
Autofocus Points
15
19
In-body Stabilization
Viewfinder Type
Electronic
Electronic
Viewfinder Resolution
1,150,000 dots
2,359,000 dots
Video
Video
56%
56%
Video
Max Video Resolution
Full HD
Full HD
Max Video Dimensions
1920 x 1080 px
1920 x 1080 px
Max Video Frame Rate
60 p
60 p
Time-Lapse Built In
Video File Format
AVCHD, MP4
AVCHD, MP4
Features
Features
41%
54%
Built-in Flash
External Flash
GPS
Weather Sealing
Screen Type
LCD
LCD
Touch Screen
Screen Size
3"
3"
Screen Resolution
921,000 dots
921,000 dots
Flip Screen
Live View
Wi-Fi
Bluetooth
Storage and Battery
Storage and Battery
21%
27%
Memory Card
SD / SDHC / SDXC, Memory Stick Pro Duo / Pro-HG Duo
SD / SDHC / SDXC, Memory Stick Pro Duo / Pro-HG Duo
Dual Memory Card Slots
Battery Type
NP-FW50
NP-FM500H
Battery Life
380 shots
470 shots
USB Charging
DXOMARK Scores
Sensor scores tested by DXOMARK
Overall Score
73%
78%
Portrait (Color Depth)
23 bits
24 bits
Landscape (Dynamic Range)
12.4 EVs
13.2 EVs
Sports (Low-Light ISO)
816
801
Scores
User Scores
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