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Pentax K-70 vs Sony A6400

Portability
62
Imaging
67
Features
81
Overall
72
Pentax K-70 front
 
Sony Alpha a6400 front
Portability
83
Imaging
69
Features
88
Overall
76

Pentax K-70 vs Sony A6400 Key Specs

Pentax K-70
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 688g - 126 x 93 x 74mm
  • Released June 2016
  • Later Model is Pentax KF
Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Expand to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Released January 2019
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Pentax K-70 vs Sony A6400 Overview

Lets look much closer at the Pentax K-70 vs Sony A6400, former being a Entry-Level DSLR while the latter is a Advanced Mirrorless by rivals Pentax and Sony. The image resolution of the K-70 (24MP) and the A6400 (24MP) is pretty comparable and both cameras boast the same sensor size (APS-C).

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The K-70 was manufactured 3 years earlier than the A6400 and that is a fairly sizable difference as far as camera tech is concerned. Both of the cameras have different body design with the Pentax K-70 being a Compact SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving right into a in depth comparison, here is a simple introduction of how the K-70 grades versus the A6400 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-70 over the Sony A6400

 K-70 A6400 
Screen typeFully ArticulatedTiltingFully Articulating screen

Reasons to pick Sony A6400 over the Pentax K-70

 A6400 K-70 
ReleasedJanuary 2019June 2016Fresher by 31 months
Screen resolution922k921kSharper screen (+1k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax K-70 and Sony A6400

 K-70 A6400 
Manually focus Dial precise focusing
Screen dimensions3"3"Equal screen size
Selfie screen Both are selfie friendly

Pentax K-70 vs Sony A6400 Physical Comparison

For anybody who is going to carry your camera frequently, you need to think about its weight and measurements. The Pentax K-70 comes with outside dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") having a weight of 688 grams (1.52 lbs) and the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") along with a weight of 403 grams (0.89 lbs).

Analyze the Pentax K-70 vs Sony A6400 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ dependant on the lens you have attached at the time. Following is a front view dimension comparison of the K-70 against the A6400.

Pentax K-70 vs Sony A6400 size comparison

Factoring in size and weight, the portability score of the K-70 and A6400 is 62 and 83 respectively.

Pentax K-70 vs Sony A6400 top view buttons comparison

Pentax K-70 vs Sony A6400 Sensor Comparison

Usually, it can be hard to visualize the contrast in sensor sizing simply by checking out specs. The visual below will help provide you a stronger sense of the sensor sizes in the K-70 and A6400.

All in all, both of those cameras have the same sensor dimensions and the exact same resolution therefore you can expect comparable quality of photographs however you need to factor the launch date of the cameras into account. The older K-70 will be behind with regard to sensor technology.

Pentax K-70 vs Sony A6400 sensor size comparison

Pentax K-70 vs Sony A6400 Screen and ViewFinder

Pentax K-70 vs Sony A6400 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-70 Portrait photography highlights
Sony A6400 Portrait photography highlights
80
manual focus
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
has face detection focusing
exports RAW files
81
has manual focus
decent megapixels (24MP)
sensor size is good (APS-C)
includes face detect autofocus
delivers RAW files
Photography Glossary

Street Comparison

Street photography with Pentax K-70
Street photography with Sony A6400
71
screen articulates fully
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
environment proofing
good high ISO (102,400)
more heavy than average (688g)
81
tilting screen
sensor size is good (APS-C)
delivers RAW files
offers focus by touch
weather proofing
great ISO range (32,000)
does not have image stabilization
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Sports Comparison

Pentax K-70 Sports photography info
Sony A6400 Sports photography info
72
high shutter speed (1/6,000s)
built in image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
has tracking autofocus
environment proofing
sensor has phase detect AF
very slow continuous shooting (6.0 frames/s)
low battery power (410 shots)
76
decent megapixels (24MP)
sensor size is good (APS-C)
includes tracking focus
weather proofing
sensor has phase detect autofocus
does not have image stabilization
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Travel Comparison

Travel photography with Pentax K-70
Travel photography with Sony A6400
64
environment proofing
megapixel count decent (24MP)
built-in flash
selfie friendly display
low battery power (410 CIPA)
more heavy than average (688g)
87
weather proofing
supports bluetooth
offers focus by touch
decent megapixels (24 megapixels)
built-in flash
screen is selfie friendly
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Landscape Comparison

Landscape photography with Pentax K-70
Landscape photography with Sony A6400
78
manual focus
change lenses (Pentax KAF2 mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is good (APS-C)
does not have anti aliasing filter
good high ISO (102,400)
exports RAW files
environment proofing
low battery power (410 shots)
80
has manual focus
change lenses (Sony E mount)
pretty good screen size (3 inch)
decent megapixels (24 megapixels)
sensor size is good (APS-C)
great ISO range (32,000)
delivers RAW files
weather proofing
does not have image stabilization
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Vlogging Comparison

Vlogging with Pentax K-70
Vlogging with Sony A6400
71
selfie friendly display
built in image stabilization (Sensor based)
has face detection focusing
video resolution high (1920 x 1080 pxls)
includes external microphone jack
more heavy than average (688g)
80
screen is selfie friendly
touchscreen enabled
includes face detect autofocus
video resolution high (3840 x 2160 resolution)
includes mic support
does not have image stabilization
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Pentax K-70 vs Sony A6400 Specifications

Detailed spec comparison table for Pentax K-70 and Sony A6400
 Pentax K-70Sony Alpha a6400
General Information
Brand Pentax Sony
Model Pentax K-70 Sony Alpha a6400
Class Entry-Level DSLR Advanced Mirrorless
Released 2016-06-08 2019-01-15
Physical type Compact SLR Rangefinder-style mirrorless
Sensor Information
Processor PRIME MII Bionz X
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.5 x 15.6mm
Sensor surface area 366.6mm² 366.6mm²
Sensor resolution 24MP 24MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 3:2 and 16:9
Highest Possible resolution 6000 x 4000 6000 x 4000
Maximum native ISO 102400 32000
Maximum enhanced ISO - 102400
Lowest native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 425
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 Sony E
Available lenses 151 121
Crop factor 1.5 1.5
Screen
Screen type Fully Articulated Tilting
Screen size 3" 3"
Resolution of screen 921k dots 922k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.7x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/6000 seconds 1/4000 seconds
Continuous shutter rate 6.0 frames/s 11.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 6.00 m (at ISO 100)
Flash settings Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, H.264, XAVC-S
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 688g (1.52 pounds) 403g (0.89 pounds)
Physical dimensions 126 x 93 x 74mm (5.0" x 3.7" x 2.9") 120 x 67 x 50mm (4.7" x 2.6" x 2.0")
DXO scores
DXO Overall score not tested 83
DXO Color Depth score not tested 24.0
DXO Dynamic range score not tested 13.6
DXO Low light score not tested 1431
Other
Battery life 410 photos 410 photos
Type of battery Battery Pack Battery Pack
Battery model - NP-FW50
Self timer Yes (2 or 12 secs, continuous) Yes
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-I compatible) SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant)
Card slots 1 1
Pricing at release $649 $898