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Pentax K-3 vs Sony a7 III
Comparison

Optics

Video

Features

Storage & Battery

Pentax K-3

Pentax K-3 camera

Sony a7 III

Sony A7 III camera

Winner!

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

mm"

131 x 100 x 77mm5.2 x 3.9 x 3"

131 x 100 x 77mm

5.2 x 3.9 x 3"

mm"

127 x 96 x 74mm5 x 3.8 x 2.9"

127 x 96 x 74mm

5 x 3.8 x 2.9"

Camera Weight

glb

800 g1.76 lb

800 g

1.76 lb

glb

650 g1.43 lb

650 g

1.43 lb

Optics

Optics

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

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

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

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

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

Extra Features

N/A

Construction and Durability

N/A

Handling and Ergonomics

N/A

Value for Money

N/A

Total Score

N/A

User Scores

B&H photo video

Check it on B&H

N/A

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