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Pentax K-1 vs Sony RX10 III

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
53
Features
77
Overall
62

Pentax K-1 vs Sony RX10 III Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Revealed February 2016
  • Successor is Pentax K-1 II
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
  • Released March 2016
  • Superseded the Sony RX10 II
  • Refreshed by Sony RX10 IV
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Pentax K-1 vs Sony RX10 III Overview

Following is a in-depth review of the Pentax K-1 and Sony RX10 III, one is a Advanced DSLR and the other is a Large Sensor Superzoom by rivals Pentax and Sony. There is a big difference between the resolutions of the K-1 (36MP) and RX10 III (20MP) and the K-1 (Full frame) and RX10 III (1") boast totally different sensor size.

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The K-1 was brought out within a month of the RX10 III and they are of a similar generation. The two cameras feature different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before getting right into a in depth comparison, here is a concise view of how the K-1 grades versus the RX10 III in regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 over the Sony RX10 III

 K-1 RX10 III 
Display typeFully ArticulatedTiltingFully Articulating display
Display size3.2"3"Larger display (+0.2")

Reasons to pick Sony RX10 III over the Pentax K-1

 RX10 III K-1 
Display resolution1229k1037kClearer display (+192k dot)

Common features in the Pentax K-1 and Sony RX10 III

 K-1 RX10 III 
ReleasedFebruary 2016March 2016Similar generation
Manual focus Very exact focusing
Selfie screen Neither offers selfie screen
Touch friendly display Absent Touch friendly display

Pentax K-1 vs Sony RX10 III Physical Comparison

If you are looking to carry around your camera often, you will want to take into account its weight and volume. The Pentax K-1 offers exterior dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") and a weight of 1010 grams (2.23 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).

Contrast the Pentax K-1 and Sony RX10 III in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. The following is a front view sizing comparison of the K-1 vs the RX10 III.

Pentax K-1 vs Sony RX10 III size comparison

Factoring in size and weight, the portability rating of the K-1 and RX10 III is 55 and 53 respectively.

Pentax K-1 vs Sony RX10 III top view buttons comparison

Pentax K-1 vs Sony RX10 III Sensor Comparison

Often, it is very hard to visualise the difference between sensor sizes simply by reading through specs. The picture here might offer you a more clear sense of the sensor sizes in the K-1 and RX10 III.

All in all, each of these cameras come with different resolutions and different sensor sizes. The K-1 due to its larger sensor will make shooting bokeh easier and the Pentax K-1 will give you extra detail having its extra 16 Megapixels. Greater resolution will also make it easier to crop pics a good deal more aggressively.

Pentax K-1 vs Sony RX10 III sensor size comparison

Pentax K-1 vs Sony RX10 III Screen and ViewFinder

Pentax K-1 vs Sony RX10 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 Portrait photography features
Sony RX10 III Portrait photography features
85
manual focus
amazing MP (36 megapixels)
big sensor size (Full frame)
supports face detect autofocus
saves RAW files
71
manual focus
megapixel count decent (20MP)
sensor size is nice (1")
comes with face detect focus
saves RAW formats
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Street Comparison

Pentax K-1 Street photography details
Sony RX10 III Street photography details
70
screen articulates fully
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
weather sealing
good high ISO (204,800)
more heavy than competition (1,010g)
64
tilting screen
has image stabilization (Optical)
sensor size is nice (1")
saves RAW formats
weather proofing
heavier than competition in class (1,051g)
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Sports Comparison

Pentax K-1 as a Sports photography camera
Sony RX10 III as a Sports photography camera
76
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
amazing MP (36MP)
big sensor size (Full frame)
supports tracking focus
weather sealing
comes with phase detect autofocus
low fps (4.4 fps)
not so great battery (760 CIPA)
70
excellent zoom range (24-600mm 25.0 x zoom)
silent shutter (1/32,000s)
has image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
comes with tracking focus
weather proofing
good battery (420 CIPA)
does not have phase detect auto focus
Photography Glossary

Travel Comparison

Travel photography with Pentax K-1
Travel photography with Sony RX10 III
53
weather sealing
amazing MP (36MP)
not so great battery (760 CIPA)
more heavy than competition (1,010g)
doesn't have selfie friendly display
55
good battery (420 shots)
weather proofing
megapixel count decent (20 megapixels)
has built in flash
pretty wide (24mm)
long reach (600mm)
doesn't have Time Lapse recording
heavier than competition in class (1,051 grams)
doesn't have selfie friendly screen
sluggish max aperture (f2.4)
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Landscape Comparison

Pentax K-1 Landscape photography factors
Sony RX10 III Landscape photography factors
81
manual focus
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
image stabilization (Sensor based 5-axis)
amazing MP (36 megapixels)
big sensor size (Full frame)
does not have anti aliasing filter
good high ISO (204,800)
saves RAW files
weather sealing
has dual storage slots
not so great battery (760 CIPA)
64
manual focus
pretty wide (24mm)
pretty good screen size (3 inches)
has image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
saves RAW formats
weather proofing
good battery (420 per charge)
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-1 Vlogging advice
Sony RX10 III Vlogging advice
31
image stabilization (Sensor based 5-axis)
supports face detect autofocus
high video quality (1920 x 1080 pxls)
does have microphone jack
doesn't have selfie friendly display
more heavy than competition (1,010g)
28
pretty wide (24mm)
has image stabilization (Optical)
comes with face detect focus
high res video (3840 x 2160 resolution)
includes mic port
sluggish max aperture (f2.4)
doesn't have selfie friendly screen
heavier than competition in class (1,051g)
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Pentax K-1 vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax K-1 and Sony RX10 III
 Pentax K-1Sony Cyber-shot DSC-RX10 III
General Information
Company Pentax Sony
Model type Pentax K-1 Sony Cyber-shot DSC-RX10 III
Class Advanced DSLR Large Sensor Superzoom
Revealed 2016-02-17 2016-03-29
Body design Mid-size SLR SLR-like (bridge)
Sensor Information
Processor - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor dimensions 35.9 x 24mm 13.2 x 8.8mm
Sensor area 861.6mm² 116.2mm²
Sensor resolution 36 megapixels 20 megapixels
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 7360 x 4912 5472 x 3648
Highest native ISO 204800 12800
Highest boosted ISO - 25600
Lowest native ISO 100 125
RAW images
Lowest boosted ISO - 64
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 33 25
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-600mm (25.0x)
Maximum aperture - f/2.4-4.0
Macro focusing range - 3cm
Available lenses 151 -
Crop factor 1 2.7
Screen
Range of screen Fully Articulated Tilting
Screen sizing 3.2" 3"
Resolution of screen 1,037 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.7x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/2000s
Maximum silent shutter speed - 1/32000s
Continuous shooting speed 4.4 frames per sec 14.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 10.80 m (at Auto ISO)
Flash options Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/200s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported 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 file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Mic 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 Built-in None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010g (2.23 pounds) 1051g (2.32 pounds)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO All around rating 96 70
DXO Color Depth rating 25.4 23.1
DXO Dynamic range rating 14.6 12.6
DXO Low light rating 3280 472
Other
Battery life 760 photographs 420 photographs
Style of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-FW50
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, continuous)
Time lapse recording
Storage media Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Dual One
Launch pricing $1,499 $1,398