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Welcome to our camera sensor comparison tool.

With this tool you will be able to compare the image quality characteristics of different RAW-capable camera models.
Please select up to three cameras to compare them.

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Sony SLT Alpha 99 versus Sony SLT Alpha 77 versus Sony Alpha 900

Scores and measurements are available only for tested cameras. For preview cameras, you can compare their specs.

Sony SLT Alpha 99

DxOMark Sensor Scores

Overall Score
[?]
89
Portrait
(Color Depth)
[?]
25 bits
Landscape
(Dynamic Range)
[?]
14 Evs
Sports
(Low-Light ISO)
[?]
1555 ISO
dxomark
Sony SLT Alpha 77

DxOMark Sensor Scores

Overall Score
[?]
78
Portrait
(Color Depth)
[?]
24 bits
Landscape
(Dynamic Range)
[?]
13.2 Evs
Sports
(Low-Light ISO)
[?]
801 ISO
dxomark
Sony Alpha 900

DxOMark Sensor Scores

Overall Score
[?]
79
Portrait
(Color Depth)
[?]
23.7 bits
Landscape
(Dynamic Range)
[?]
12.3 Evs
Sports
(Low-Light ISO)
[?]
1431 ISO
dxomark
Sony SLT Alpha 99

Manufacturer specifications

Type Semi-Pro DSLR 
Announced 2012-09-12 
Indicative price (USD) 2800  
Sensor type CMOS 
Resolution 6024 x 4024  
Sensor photo detectors (Mpix) 24.24  
Sensor size (mm) 23.9 x 35.8 
Color filter array RGB 
Pixel pitch (µm) 5.9  
Bits per pixel 12.0 
Focal length multiplier 1.00 
Aspect Ratio 3:2 
ISO latitude  100 - 25600 
Shutter type Mechanical 
Fastest - Slowest speed (s) 1/8000 - 30.0  
Frame rate (fps) 10.0  
Live view   
Stabilization  Yes 
Firmware  
Dust cleaningYes 
Mount typeSony Alpha  
Weight (gr)  
Battery type InfoLITHIUM M Series, NP-FM500H, 7.2V, 1650mAh, 11.8Wh 
Battery weight (gr)  
Tropicalization Yes 
Camera material Metal 
Mount material Metal 
View finder type electronic 
View finder magnification 0.71 
View finder coverage 100 
Mirror lockup No 
View finder diopter -4.0 to +3.0m-1 
Monitor type LCD 
Monitor size
Monitor pixel 1228800 
Articulated screen Yes 
Touch screen No 
Contrast screen  
Low-pass filter  
Focus mode Yes 
Autofocus modes Single-shot AF (AF-S), Automatic AF (AF-A), Continuous AF (AF-C), Depth Map Assist Continuous AF (AF-D) selectable 
Number of autofocus points
Exposure bracketing Bracket: Cont./Bracket: Single, With 1/3 EV, 1/2 EV, 2/3 EV, 2.0 EV, 3.0 EV increments, 3/5 frames (2.0 EV, 3.0 EV : only 3 frames) selectable 
Exposure compensation +/-5.0 EV (1/3EV, 1/2EV steps selectable) 
Drive modes Single-shot, Continuous shooting (Hi/Lo selectable), Self-timer (10/2 sec delay selectable), Bracket (Continuous/Single/WB/DRO), Remote commander (RMT-DSLR2) 
Buffer size  
Recording medium  
Image format JPEG, RAW (ARW) 
White balance bracketing 3 frames, H/L selectable 
Connectivity HDMI mini connector (Type-C) BRAVIA Sync (link menu) PhotoTV HD / USB Port(s) : MiniB, Hi-speed USB (USB2.0) 
Bluetooth No 
3G No 
Sound recording Yes (Built-in stereo microphone or ECM-ALST1 (with supplied shoe adaptor) / ECM-CG50 / XLR-K1M (sold separately). Built-in, monaural, Volume settings in 8 steps between 0 and 7.) 
External micro Yes (3.5 mm Stereo minijack) 
Histogram Yes 
GPS Yes 
Video Yes 
Maximum format image video 1920 x 1080/60p@28Mbps 
Full HD Yes 
Live autofocus  
Video file format AVCHD Ver. 2.0 (Progressive), AVCHD, MP4 
Video codec AVCHD Ver. 2.0 compliant / MPEG-4 AVC (H.264) 
Video stabilisation  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark
Sony SLT Alpha 77

Manufacturer specifications

Type Semi-Pro DSLR 
Announced 2011-08-24 
Indicative price (USD) 1399  
Sensor type CMOS 
Resolution 6048 x 4024  
Sensor photo detectors (Mpix) 24.34  
Sensor size (mm) 15.6 x 23.5 
Color filter array RGB 
Pixel pitch (µm) 3.9  
Bits per pixel 12.0 
Focal length multiplier 1.50 
Aspect Ratio 3:2, 16:9 
ISO latitude  50 - 16000 
Shutter type mechanical 
Fastest - Slowest speed (s) 1/8000 - 30.0  
Frame rate (fps) 12.0  
Live view  Yes 
Stabilization  Yes 
Firmware 1.02 
Dust cleaningYes 
Mount typeSony Alpha DT  
Weight (gr) 653  
Battery type NP-FM500H 
Battery weight (gr)  
Tropicalization Yes 
Camera material mixed plastic/metal 
Mount material mixed plastic/metal 
View finder type electronic 
View finder magnification 1.1 
View finder coverage 100 
Mirror lockup  
View finder diopter -4.0 to +4.0 
Monitor type LCD 
Monitor size
Monitor pixel 921600 
Articulated screen Yes 
Touch screen No 
Contrast screen  
Low-pass filter  
Focus mode Yes 
Autofocus modes AF-S (Single-shot AF), AF-A (Automatic AF), AF-C (Continuous AF) 
Number of autofocus points 19 
Exposure bracketing 3 images with 0.3EV or 0.7EV steps 
Exposure compensation  
Drive modes Single-shot, Continuous shooting (Hi/Lo selectable), Self-timer (10/2 sec delay selectable), Bracket (Continuous/Single/WB/DRO), Remote commander (RMT-DSLR1 Sold Separately) 
Buffer size JPEG Standard (17 shots) JPEG Fine (17 shots) JPEG Extra Fine (13 shots) RAW (13 shots) RAW+JPEG (11 shots) 
Recording medium SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo 
Image format JPEG, RAW (ARW) 
White balance bracketing Yes: 3 frames Lo (10 mired) or Hi (20 mired) 
Connectivity USB2.0 (Hi-speed, miniB), HDMI (Type C mini) 
Bluetooth No 
3G No 
Sound recording Yes (video with sound) 
External micro Yes 
Histogram Yes 
GPS Yes 
Video Yes 
Maximum format image video 1920 x 1080 (60, 24 fps) 
Full HD Yes 
Live autofocus Yes 
Video file format AVCHD, MP4 
Video codec H.264 
Video stabilisation Yes 

Certain fields may be left blank. They will be updated as soon as possible.
dxomark
Sony Alpha 900

Manufacturer specifications

Type Professional 
Announced 2008-09-09 
Indicative price (USD) 3000  
Sensor type CMOS 
Resolution 6080 x 4048  
Sensor photo detectors (Mpix) 24.61  
Sensor size (mm) 24.0 x 36.0 
Color filter array RGB 
Pixel pitch (µm) 5.9  
Bits per pixel 12 
Focal length multiplier 1.00 
Aspect Ratio 3:2 
ISO latitude  100 - 6400 
Shutter type Focal Plane,vertical-transversal, with electronic control 
Fastest - Slowest speed (s) 1/8000 - 30  
Frame rate (fps) 5  
Live view  no 
Stabilization  yes 
Firmware  
Dust cleaningyes 
Mount typeSony Alpha  
Weight (gr)  
Battery type  
Battery weight (gr)  
Tropicalization  
Camera material  
Mount material  
View finder type  
View finder magnification  
View finder coverage  
Mirror lockup  
View finder diopter  
Monitor type  
Monitor size  
Monitor pixel  
Articulated screen  
Touch screen  
Contrast screen  
Low-pass filter  
Focus mode  
Autofocus modes  
Number of autofocus points  
Exposure bracketing  
Exposure compensation  
Drive modes  
Buffer size  
Recording medium  
Image format  
White balance bracketing  
Connectivity  
Bluetooth  
3G  
Sound recording  
External micro  
Histogram  
GPS  
Video  
Maximum format image video  
Full HD  
Live autofocus  
Video file format  
Video codec  
Video stabilisation  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark