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Pentax K-3 vs Sony a7 III
Comparison

Optics
Video
Features
Storage & Battery

Pentax K-3

Pentax K-3 camera
69%

Sony a7 III

Sony A7 III camera
Winner!
81%
Pentax K-3
vs
Sony a7 III
Price
Brand
Pentax
Sony
Model
K-3
a7 III
Released
2013
2018
Announcement Date
October 08, 2013
February 27, 2018
Camera Type
DSLR
Mirrorless
Camera Size
Camera Weight
Optics
Optics
74%
81%
Megapixels
24 MP
24.2 MP
Image Resolution
6016 x 4000 px
6000 x 4000 px
Sensor Type
CMOS
CMOS
Sensor Size
15.6 x 23.5 mm
23.8 x 35.6 mm
Sensor Format
APS-C
Full Frame
Frame Rate
8.3 fps
10 fps
Lens Mount
Pentax KAF
Sony FE
Image Processor
Prime III
Bionz X
Aspect Ratio
3:2
3:2
Minimum ISO (Native)
100
100
Maximum ISO (Native)
51,200
51,200
Minimum ISO (Expanded)
100
50
Maximum ISO (Expanded)
51200
204800
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 8000 s
Autofocus Points
27
693
In-body Stabilization
Viewfinder Type
Optical (pentaprism)
Electronic
Viewfinder Resolution
N/A
2,359,296 dots
Video
Video
70%
56%
Video
Max Video Resolution
Full HD
4K
Max Video Dimensions
1920 x 1080 px
3840 x 2160 px
Max Video Frame Rate
60 p
30 p
Time-Lapse Built In
Video File Format
MPEG-4
XAVC S, AVCHD
Features
Features
59%
81%
Built-in Flash
External Flash
GPS
Weather Sealing
Screen Type
LCD
LCD
Touch Screen
Screen Size
3.2"
3"
Screen Resolution
1,037,000 dots
921,600 dots
Flip Screen
Live View
Wi-Fi
Bluetooth
Storage and Battery
Storage and Battery
63%
81%
Memory Card
SD / SDHC / SDXC
SD / SDHC / SDXC, Memory Stick Duo / Pro Duo / Pro-HG Duo
Dual Memory Card Slots
Battery Type
D-LI90
NP-FZ100
Battery Life
560 shots
750 shots
USB Charging
DXOMARK Scores
Sensor scores tested by DXOMARK
Overall Score
80%
96%
Portrait (Color Depth)
23.7 bits
25.1 bits
Landscape (Dynamic Range)
13.4 EVs
14.7 EVs
Sports (Low-Light ISO)
1216
3722
Scores
Main Features
N/A
84%
Extra Features
N/A
72%
Construction and Durability
N/A
67%
Handling and Ergonomics
N/A
67%
Value for Money
N/A
110%
Total Score
N/A
81%
User Scores
B&H photo video
277 reviews
N/A
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