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Pentax K-70 vs Sony RX10 III

Portability
62
Imaging
66
Features
81
Overall
72
Pentax K-70 front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
52
Features
77
Overall
62

Pentax K-70 vs Sony RX10 III 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
  • Launched June 2016
  • Later Model is Pentax KF
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Push to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1051g - 133 x 94 x 127mm
  • Introduced March 2016
  • Succeeded the Sony RX10 II
  • Newer Model is Sony RX10 IV
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Pentax K-70 vs Sony RX10 III Overview

Following is a in-depth assessment of the Pentax K-70 vs Sony RX10 III, former is a Entry-Level DSLR while the latter is a Large Sensor Superzoom by rivals Pentax and Sony. The resolution of the K-70 (24MP) and the RX10 III (20MP) is pretty close but the K-70 (APS-C) and RX10 III (1") come with totally different sensor measurements.

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The K-70 was introduced 3 months after the RX10 III and they are of a similar age. Both the cameras come with different body type with the Pentax K-70 being a Compact SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before we go in to a in depth comparison, below is a simple overview of how the K-70 scores against the RX10 III in terms of portability, imaging, features and an overall score.

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Reasons to pick Pentax K-70 over the Sony RX10 III

 K-70 RX10 III 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Reasons to pick Sony RX10 III over the Pentax K-70

 RX10 III K-70 
Screen resolution1229k921kClearer screen (+308k dot)

Common features in the Pentax K-70 and Sony RX10 III

 K-70 RX10 III 
IntroducedJune 2016March 2016Same age
Manual focus Dial exact focus
Screen dimension3"3"Identical screen measurements
Touch screen Neither comes with Touch screen

Pentax K-70 vs Sony RX10 III Physical Comparison

For anybody who is planning to carry around your camera frequently, you'll need to think about its weight and proportions. 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) whilst the Sony RX10 III has measurements of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") and a weight of 1051 grams (2.32 lbs).

Contrast the Pentax K-70 vs Sony RX10 III in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change depending on the lens you select during that time. Below is the front view sizing comparison of the K-70 compared to the RX10 III.

Pentax K-70 vs Sony RX10 III size comparison

Considering dimensions and weight, the portability score of the K-70 and RX10 III is 62 and 53 respectively.

Pentax K-70 vs Sony RX10 III top view buttons comparison

Pentax K-70 vs Sony RX10 III Sensor Comparison

Sometimes, it is difficult to envision the difference in sensor sizes simply by viewing specifications. The pic below might give you a much better sense of the sensor dimensions in the K-70 and RX10 III.

Plainly, the two cameras posses different megapixels and different sensor sizes. The K-70 using its bigger sensor will make getting shallow depth of field easier and the Pentax K-70 will result in greater detail using its extra 4 Megapixels. Higher resolution will make it easier to crop photographs somewhat more aggressively.

Pentax K-70 vs Sony RX10 III sensor size comparison

Pentax K-70 vs Sony RX10 III Screen and ViewFinder

Pentax K-70 vs Sony RX10 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-70 Portrait photography details
Sony RX10 III Portrait photography details
79
focusing manually
good resolution (24MP)
good sensor size (APS-C)
includes face detect focusing
delivers RAW formats
71
focusing manually
megapixel count decent (20MP)
sensor size is good (1")
features face detection autofocus
saves RAW formats
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Street Comparison

Pentax K-70 Street photography features
Sony RX10 III Street photography features
71
screen articulates fully
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
weather proof
good high ISO (102,400)
more heavy than others in class (688 grams)
64
tilting screen
built in image stabilization (Optical)
sensor size is good (1")
saves RAW formats
environment proof
more heavy than average (1,051g)
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Sports Comparison

Pentax K-70 Sports photography details
Sony RX10 III Sports photography details
71
max shutter speed is good (1/6,000 seconds)
built in image stabilization (Sensor based)
good resolution (24MP)
good sensor size (APS-C)
includes tracking focus
weather proof
supports phase detect AF
max frames per second very slow (6.0 frames per second)
terrible battery life (410 per charge)
70
incredible zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000s)
built in image stabilization (Optical)
megapixel count decent (20MP)
sensor size is good (1")
features tracking autofocus
environment proof
great battery (420 shots)
does not have phase detect autofocus
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Travel Comparison

Pentax K-70 Travel photography features
Sony RX10 III Travel photography features
64
weather proof
good resolution (24 megapixels)
has built in flash
selfie friendly display
terrible battery life (410 per charge)
more heavy than others in class (688g)
55
great battery (420 per charge)
environment proof
megapixel count decent (20 megapixels)
flash built-in
really wide (24mm)
great reach (600mm)
does not have Timelapse recording
more heavy than average (1,051g)
screen is not selfie friendly
sluggish max aperture (f2.4)
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Landscape Comparison

Landscape photography with Pentax K-70
Landscape photography with Sony RX10 III
78
focusing manually
switch lenses (Pentax KAF2 mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
good resolution (24 megapixels)
good sensor size (APS-C)
no low pass filter
good high ISO (102,400)
delivers RAW formats
weather proof
terrible battery life (410 shots)
63
focusing manually
really wide (24mm)
screen size is good (3 inches)
built in image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is good (1")
saves RAW formats
environment proof
great battery (420 CIPA)
lens is fixed (fixed lens mount)
sluggish max aperture (f2.4)
does not have Timelapse recording
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Vlogging Comparison

Pentax K-70 Vlogging advice
Sony RX10 III Vlogging advice
71
selfie friendly display
built in image stabilization (Sensor based)
includes face detect focusing
video resolution high (1920 x 1080 pixels)
comes with microphone jack
more heavy than others in class (688 grams)
28
really wide (24mm)
built in image stabilization (Optical)
features face detection autofocus
video resolution high (3840 x 2160 resolution)
comes with external microphone port
sluggish max aperture (f2.4)
screen is not selfie friendly
more heavy than average (1,051 grams)
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Pentax K-70 vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax K-70 and Sony RX10 III
 Pentax K-70Sony Cyber-shot DSC-RX10 III
General Information
Manufacturer Pentax Sony
Model type Pentax K-70 Sony Cyber-shot DSC-RX10 III
Type Entry-Level DSLR Large Sensor Superzoom
Launched 2016-06-08 2016-03-29
Body design Compact SLR SLR-like (bridge)
Sensor Information
Chip PRIME MII Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor measurements 23.5 x 15.6mm 13.2 x 8.8mm
Sensor surface area 366.6mm² 116.2mm²
Sensor resolution 24MP 20MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 6000 x 4000 5472 x 3648
Highest native ISO 102400 12800
Highest boosted ISO - 25600
Minimum native ISO 100 125
RAW photos
Minimum boosted ISO - 64
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 25
Cross type focus points 9 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 24-600mm (25.0x)
Max aperture - f/2.4-4.0
Macro focusing range - 3cm
Amount of lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Screen type Fully Articulated Tilting
Screen diagonal 3 inches 3 inches
Resolution of screen 921k dot 1,229k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.7x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/6000 secs 1/2000 secs
Maximum silent shutter speed - 1/32000 secs
Continuous shooting speed 6.0 frames per sec 14.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) 10.80 m (at Auto ISO)
Flash options Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual Auto, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone jack
Headphone jack
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 688g (1.52 lbs) 1051g (2.32 lbs)
Dimensions 126 x 93 x 74mm (5.0" x 3.7" x 2.9") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO All around rating not tested 70
DXO Color Depth rating not tested 23.1
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 472
Other
Battery life 410 images 420 images
Type of battery Battery Pack Battery Pack
Battery ID - NP-FW50
Self timer Yes (2 or 12 secs, continuous) Yes (2 or 10 sec, continuous)
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-I compatible) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots One One
Launch pricing $649 $1,398