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Pentax KP vs Sony RX100 III

Portability
61
Imaging
67
Features
76
Overall
70
Pentax KP front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Pentax KP vs Sony RX100 III Key Specs

Pentax KP
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 703g - 132 x 101 x 76mm
  • Introduced January 2017
Sony RX100 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-70mm (F1.8-2.8) lens
  • 290g - 102 x 58 x 41mm
  • Revealed May 2014
  • Succeeded the Sony RX100 II
  • Newer Model is Sony RX100 IV
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Pentax KP vs Sony RX100 III Overview

Following is a extended assessment of the Pentax KP and Sony RX100 III, former is a Advanced DSLR while the latter is a Large Sensor Compact by brands Pentax and Sony. The resolution of the KP (24MP) and the RX100 III (20MP) is relatively comparable but the KP (APS-C) and RX100 III (1") come with totally different sensor measurements.

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The KP was brought out 2 years after the RX100 III which is a fairly sizable difference as far as camera technology is concerned. The two cameras come with different body type with the Pentax KP being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before diving through a in depth comparison, below is a brief introduction of how the KP grades versus the RX100 III when considering portability, imaging, features and an overall score.

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Reasons to pick Pentax KP over the Sony RX100 III

 KP RX100 III 
RevealedJanuary 2017May 2014More modern by 33 months

Reasons to pick Sony RX100 III over the Pentax KP

 RX100 III KP 
Screen resolution1229k921kSharper screen (+308k dot)
Selfie screen Easy selfies

Common features in the Pentax KP and Sony RX100 III

 KP RX100 III 
Focus manually Very exact focusing
Screen typeTiltingTiltingTilting screen
Screen dimension3"3"Identical screen measurements
Touch friendly screen No Touch friendly screen

Pentax KP vs Sony RX100 III Physical Comparison

If you're aiming to carry around your camera frequently, you'll have to take into account its weight and size. The Pentax KP enjoys physical dimensions of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") with a weight of 703 grams (1.55 lbs) while the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Contrast the Pentax KP and Sony RX100 III in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change depending on the lens you have attached at the time. Below is the front view size comparison of the KP and the RX100 III.

Pentax KP vs Sony RX100 III size comparison

Taking into consideration dimensions and weight, the portability rating of the KP and RX100 III is 61 and 89 respectively.

Pentax KP vs Sony RX100 III top view buttons comparison

Pentax KP vs Sony RX100 III Sensor Comparison

Quite often, its hard to visualise the difference in sensor sizes only by checking out specs. The pic here may give you a more clear sense of the sensor sizes in the KP and RX100 III.

As you can plainly see, both cameras posses different megapixel count and different sensor sizes. The KP due to its bigger sensor will make shooting shallower DOF simpler and the Pentax KP will provide greater detail having its extra 4 Megapixels. Higher resolution will let you crop pictures somewhat more aggressively. The more recent KP will have an edge when it comes to sensor technology.

Pentax KP vs Sony RX100 III sensor size comparison

Pentax KP vs Sony RX100 III Screen and ViewFinder

Pentax KP vs Sony RX100 III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax KP Portrait photography factors
Sony RX100 III Portrait photography factors
80
has manual focus
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
includes face detect focusing
exports RAW formats
64
has manual focus
high flash sync speed (1/2,000s)
megapixel count decent (20 megapixels)
sensor size is nice (1")
supports face detect autofocus
delivers RAW formats
no external flash support
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Street Comparison

Pentax KP Street photography factors
Sony RX100 III Street photography factors
76
has a tilting screen
image stabilization (Sensor based 5-axis)
sensor size is nice (APS-C)
exports RAW formats
environment sealing
very good ISO range (819,200)
85
has a tilting screen
image stabilization (Optical)
sensor size is nice (1")
delivers RAW formats
lighter than competition in class (290 grams)
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Sports Comparison

Pentax KP Sports photography info
Sony RX100 III Sports photography info
72
maximum shutter speed is high (1/6,000s)
silent mode (1/24,000s)
image stabilization (Sensor based 5-axis)
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
includes tracking focus
environment sealing
terrible battery power (390 shots)
lack of phase detect AF
65
image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
supports tracking focus
does not have phase detect autofocus
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Travel Comparison

Pentax KP Travel photography highlights
Sony RX100 III Travel photography highlights
61
environment sealing
megapixel count decent (24 megapixels)
flash built-in
terrible battery power (390 shots)
doesn't have selfie friendly screen
85
lighter than competition in class (290 grams)
megapixel count decent (20 megapixels)
has built in flash
screen is selfie friendly
reasonably wide (24mm)
great max aperture (f1.8)
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Landscape Comparison

Pentax KP Landscape photography advice
Sony RX100 III Landscape photography advice
77
has manual focus
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inches)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
sensor size is nice (APS-C)
very good ISO range (819,200)
exports RAW formats
environment sealing
terrible battery power (390 per charge)
73
has manual focus
reasonably wide (24mm)
great max aperture (f1.8)
nice screen size (3 inch)
image stabilization (Optical)
megapixel count decent (20MP)
sensor size is nice (1")
delivers RAW formats
lens is fixed (fixed lens mount)
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Vlogging Comparison

Vlogging with Pentax KP
Vlogging with Sony RX100 III
34
image stabilization (Sensor based 5-axis)
includes face detect focusing
video res high (1920 x 1080 pxls)
includes microphone port
doesn't have selfie friendly screen
80
reasonably wide (24mm)
great max aperture (f1.8)
screen is selfie friendly
image stabilization (Optical)
supports face detect autofocus
video res high (1920 x 1080 resolution)
lighter than competition in class (290 grams)
lack of microphone support
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Pentax KP vs Sony RX100 III Specifications

Detailed spec comparison table for Pentax KP and Sony RX100 III
 Pentax KPSony Cyber-shot DSC-RX100 III
General Information
Brand Name Pentax Sony
Model type Pentax KP Sony Cyber-shot DSC-RX100 III
Class Advanced DSLR Large Sensor Compact
Introduced 2017-01-26 2014-05-15
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor Chip PRIME IV 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 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
Peak resolution 6016 x 4000 5472 x 3648
Highest native ISO 819200 12800
Minimum native ISO 100 125
RAW support
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 27 25
Cross type focus points 25 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 24-70mm (2.9x)
Maximal aperture - f/1.8-2.8
Macro focusing range - 5cm
Total lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Type of screen Tilting Tilting
Screen sizing 3" 3"
Resolution of screen 921k dots 1,229k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,440k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.59x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/2000 secs
Fastest silent shutter speed 1/24000 secs -
Continuous shutter rate 7.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 6.00 m (at ISO 100) -
Flash settings Auto, auto w/redeye reduction, flash on w/redeye reduction, slow sync, trailing curtain sync, manual, wireless -
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/2000 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 30p) 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 703 gr (1.55 lb) 290 gr (0.64 lb)
Dimensions 132 x 101 x 76mm (5.2" x 4.0" x 3.0") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall rating not tested 67
DXO Color Depth rating not tested 22.4
DXO Dynamic range rating not tested 12.3
DXO Low light rating not tested 495
Other
Battery life 390 shots 320 shots
Type of battery Battery Pack Battery Pack
Battery ID D-LI109 NP-BX1
Self timer Yes (2 or 12 secs) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC (UHS-I supported) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Launch price $747 $748