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Pentax K-r vs Sony RX10 III

Portability
67
Imaging
52
Features
52
Overall
52
Pentax K-r front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
51
Features
77
Overall
61

Pentax K-r vs Sony RX10 III Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 12800 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Announced March 2011
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Bump to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1051g - 133 x 94 x 127mm
  • Launched March 2016
  • Old Model is Sony RX10 II
  • Successor is Sony RX10 IV
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Pentax K-r vs Sony RX10 III Overview

Following is a detailed comparison of the Pentax K-r and Sony RX10 III, one is a Entry-Level DSLR and the other is a Large Sensor Superzoom by manufacturers Pentax and Sony. There is a significant difference between the image resolutions of the K-r (12MP) and RX10 III (20MP) and the K-r (APS-C) and RX10 III (1") possess different sensor sizes.

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The K-r was brought out 6 years before the RX10 III which is quite a sizable gap as far as tech is concerned. Both of these cameras come with different body type with the Pentax K-r being a Compact SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before delving straight into a in-depth comparison, below is a concise synopsis of how the K-r grades vs the RX10 III in regards to portability, imaging, features and an overall score.

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

 K-r RX10 III 

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

 RX10 III K-r 
LaunchedMarch 2016March 2011More modern by 61 months
Display typeTiltingFixed Tilting display
Display resolution1229k921kCrisper display (+308k dot)

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

 K-r RX10 III 
Focus manually More accurate focusing
Display dimension3"3"Identical display dimensions
Selfie screen Lacking selfie screen
Touch display Lacking Touch display

Pentax K-r vs Sony RX10 III Physical Comparison

If you are intending to carry around your camera regularly, you will need to think about its weight and volume. The Pentax K-r comes with outside dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs) and the Sony RX10 III has sizing of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") having a weight of 1051 grams (2.32 lbs).

Check out the Pentax K-r and Sony RX10 III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with during that time. Following is the front view size comparison of the K-r vs the RX10 III.

Pentax K-r vs Sony RX10 III size comparison

Taking into account size and weight, the portability rating of the K-r and RX10 III is 67 and 53 respectively.

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

Pentax K-r vs Sony RX10 III Sensor Comparison

In many cases, it's difficult to picture the gap between sensor sizes simply by reviewing specifications. The pic underneath may give you a much better sense of the sensor dimensions in the K-r and RX10 III.

To sum up, both of these cameras have got different resolutions and different sensor sizes. The K-r because of its larger sensor is going to make achieving shallower depth of field easier and the Sony RX10 III will offer you extra detail having its extra 8MP. Greater resolution will help you crop images much more aggressively. The more aged K-r is going to be behind in sensor tech.

Pentax K-r vs Sony RX10 III sensor size comparison

Pentax K-r vs Sony RX10 III Screen and ViewFinder

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

Portrait Comparison

Pentax K-r as a Portrait photography camera
Sony RX10 III as a Portrait photography camera
63
you can focus manually
nice sensor size (APS-C)
includes face detection autofocus
exports RAW files
low resolution sensor (12 megapixels)
70
focusing manually
decent sensor resolution (20 megapixels)
decent sensor size (1")
features face detection focus
delivers RAW files
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Street Comparison

Street photography with Pentax K-r
Street photography with Sony RX10 III
66
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
fixed screen
63
screen tilts up and down
image stabilization (Optical)
decent sensor size (1")
delivers RAW files
weather sealing
heavier than competition in class (1,051g)
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Sports Comparison

Pentax K-r as a Sports photography camera
Sony RX10 III as a Sports photography camera
54
great max shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
nice sensor size (APS-C)
comes with phase detect autofocus
max fps low (6.0 frames/s)
low resolution sensor (12 megapixels)
bad battery power (470 per charge)
69
amazing zoom range (24-600mm 25.0 x zoom)
silent shutter (1/32,000 seconds)
image stabilization (Optical)
decent sensor resolution (20MP)
decent sensor size (1")
features tracking autofocus
weather sealing
better than average battery life (420 shots)
doesn't have phase detect auto focus
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Travel Comparison

Travel photography with Pentax K-r
Travel photography with Sony RX10 III
47
flash built-in
bad battery power (470 CIPA)
low resolution sensor (12 megapixels)
doesn't posses selfie friendly screen
55
better than average battery life (420 CIPA)
weather sealing
decent sensor resolution (20MP)
has built in flash
really wide (24mm)
very long zoom (600mm)
doesn't have Time Lapse recording
heavier than competition in class (1,051 grams)
does not have selfie friendly screen
sluggish max aperture (f2.4)
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Landscape Comparison

Pentax K-r Landscape photography factors
Sony RX10 III Landscape photography factors
65
you can focus manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3")
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
low resolution sensor (12 megapixels)
bad battery power (470 per charge)
63
focusing manually
really wide (24mm)
nice screen size (3")
image stabilization (Optical)
decent sensor resolution (20MP)
decent sensor size (1")
delivers RAW files
weather sealing
better than average battery life (420 CIPA)
lens is fixed (fixed lens mount)
sluggish max aperture (f2.4)
doesn't have Time Lapse recording
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Vlogging Comparison

Pentax K-r Vlogging factors
Sony RX10 III Vlogging factors
26
image stabilization (Sensor based)
includes face detection autofocus
doesn't posses selfie friendly screen
video resolution low (1280 x 720 pixels)
lack of external microphone support
28
really wide (24mm)
image stabilization (Optical)
features face detection focus
high quality video (3840 x 2160 resolution)
comes with external mic port
sluggish max aperture (f2.4)
does not have selfie friendly screen
heavier than competition in class (1,051g)
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Pentax K-r vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax K-r and Sony RX10 III
 Pentax K-rSony Cyber-shot DSC-RX10 III
General Information
Brand Name Pentax Sony
Model Pentax K-r Sony Cyber-shot DSC-RX10 III
Class Entry-Level DSLR Large Sensor Superzoom
Announced 2011-03-11 2016-03-29
Body design Compact SLR SLR-like (bridge)
Sensor Information
Powered by Prime II Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.6 x 15.8mm 13.2 x 8.8mm
Sensor surface area 372.9mm² 116.2mm²
Sensor resolution 12 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 4288 x 2848 5472 x 3648
Highest native ISO 12800 12800
Highest enhanced ISO 25600 25600
Min native ISO 200 125
RAW support
Min enhanced ISO 100 64
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 25
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 24-600mm (25.0x)
Largest aperture - f/2.4-4.0
Macro focus distance - 3cm
Number of lenses 151 -
Crop factor 1.5 2.7
Screen
Screen type Fixed Type Tilting
Screen sizing 3 inch 3 inch
Screen resolution 921k dot 1,229k dot
Selfie friendly
Liveview
Touch friendly
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.57x 0.7x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/2000 secs
Fastest silent shutter speed - 1/32000 secs
Continuous shutter speed 6.0fps 14.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 10.80 m (at Auto ISO)
Flash settings Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync Auto, fill-flash, slow sync, rear sync, off
External flash
AE bracketing
White balance bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598 grams (1.32 pounds) 1051 grams (2.32 pounds)
Dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO Overall score 72 70
DXO Color Depth score 22.9 23.1
DXO Dynamic range score 12.4 12.6
DXO Low light score 755 472
Other
Battery life 470 shots 420 shots
Battery form Battery Pack Battery Pack
Battery model D-LI109,4 x AA NP-FW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, continuous)
Time lapse shooting
Type of storage SD/SDHC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots One One
Pricing at release $1,100 $1,398