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Pentax K-500 vs Sony RX100 III

Portability
64
Imaging
58
Features
70
Overall
62
Pentax K-500 front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Pentax K-500 vs Sony RX100 III Key Specs

Pentax K-500
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 646g - 130 x 97 x 71mm
  • Introduced November 2013
Sony RX100 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • 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
  • Old Model is Sony RX100 II
  • Successor is Sony RX100 IV
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Pentax K-500 vs Sony RX100 III Overview

Following is a comprehensive comparison of the Pentax K-500 and Sony RX100 III, former is a Entry-Level DSLR while the other is a Large Sensor Compact by competitors Pentax and Sony. The resolution of the K-500 (16MP) and the RX100 III (20MP) is very well matched but the K-500 (APS-C) and RX100 III (1") provide different sensor measurements.

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The K-500 was revealed 5 months before the RX100 III and they are of a similar age. Both cameras have different body design with the Pentax K-500 being a Compact SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before going into a complete comparison, here is a simple overview of how the K-500 scores against the RX100 III with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-500 over the Sony RX100 III

 K-500 RX100 III 

Reasons to pick Sony RX100 III over the Pentax K-500

 RX100 III K-500 
Display typeTiltingFixed Tilting display
Display resolution1229k921kCrisper display (+308k dot)
Selfie screen Take selfies

Common features in the Pentax K-500 and Sony RX100 III

 K-500 RX100 III 
RevealedNovember 2013May 2014Similar age
Manually focus Very accurate focus
Display dimensions3"3"Equal display measurements
Touch friendly display Neither contains Touch friendly display

Pentax K-500 vs Sony RX100 III Physical Comparison

When you are intending to carry around your camera regularly, you need to factor in its weight and measurements. The Pentax K-500 has got outside dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") having a weight of 646 grams (1.42 lbs) whilst the Sony RX100 III has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Take a look at the Pentax K-500 and Sony RX100 III in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ based on the lens you are utilising during that time. Below is a front view scale comparison of the K-500 vs the RX100 III.

Pentax K-500 vs Sony RX100 III size comparison

Considering dimensions and weight, the portability score of the K-500 and RX100 III is 64 and 89 respectively.

Pentax K-500 vs Sony RX100 III top view buttons comparison

Pentax K-500 vs Sony RX100 III Sensor Comparison

More often than not, it's tough to visualize the gap between sensor sizes only by reading through specs. The pic below will provide you a stronger sense of the sensor dimensions in the K-500 and RX100 III.

All in all, both of these cameras provide different megapixels and different sensor sizes. The K-500 having a larger sensor is going to make shooting bokeh simpler and the Sony RX100 III will give you more detail because of its extra 4MP. Greater resolution will also allow you to crop pics more aggressively.

Pentax K-500 vs Sony RX100 III sensor size comparison

Pentax K-500 vs Sony RX100 III Screen and ViewFinder

Pentax K-500 vs Sony RX100 III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-500 Portrait photography advice
Sony RX100 III Portrait photography advice
74
manual focus
megapixel count good (16 megapixels)
sensor size is good (APS-C)
offers face detection focusing
exports RAW files
64
manual focus
flash sync is higher than normal (1/2,000 seconds)
decent sensor resolution (20MP)
sensor size is nice (1")
includes face detect focusing
saves RAW formats
no external flash support
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Street Comparison

Pentax K-500 Street photography info
Sony RX100 III Street photography info
68
has image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
very good ISO range (51,600)
screen is fixed
85
tilting screen
image stabilization (Optical)
sensor size is nice (1")
saves RAW formats
lighter than competitors in class (290 grams)
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Sports Comparison

Pentax K-500 as a Sports photography camera
Sony RX100 III as a Sports photography camera
72
maximum shutter speed is high (1/6,000s)
has image stabilization (Sensor based)
megapixel count good (16 megapixels)
sensor size is good (APS-C)
offers tracking autofocus
great battery power (710 per charge)
has phase detect AF
very slow continuous shooting (6.0 frames/s)
65
image stabilization (Optical)
decent sensor resolution (20MP)
sensor size is nice (1")
includes tracking focus
lack of phase detect AF
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Travel Comparison

Pentax K-500 as a Travel photography camera
Sony RX100 III as a Travel photography camera
67
great battery power (710 per charge)
megapixel count good (16 megapixels)
flash built-in
doesn't feature selfie friendly display
85
lighter than competitors in class (290g)
decent sensor resolution (20 megapixels)
built-in flash
selfie friendly display
pretty wide (24mm)
very good max aperture (f1.8)
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Landscape Comparison

Landscape photography with Pentax K-500
Landscape photography with Sony RX100 III
79
manual focus
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3")
has image stabilization (Sensor based)
megapixel count good (16 megapixels)
sensor size is good (APS-C)
very good ISO range (51,600)
exports RAW files
great battery power (710 CIPA)
73
manual focus
pretty wide (24mm)
very good max aperture (f1.8)
screen is a decent size (3 inch)
image stabilization (Optical)
decent sensor resolution (20MP)
sensor size is nice (1")
saves RAW formats
fixed lens (fixed lens mount)
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Vlogging Comparison

Vlogging with Pentax K-500
Vlogging with Sony RX100 III
30
has image stabilization (Sensor based)
offers face detection focusing
video res high (1920 x 1080 pixels)
doesn't feature selfie friendly display
does not have external microphone port
80
pretty wide (24mm)
very good max aperture (f1.8)
selfie friendly display
image stabilization (Optical)
includes face detect focusing
video resolution high (1920 x 1080 pxls)
lighter than competitors in class (290g)
doesn't have mic port
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Pentax K-500 vs Sony RX100 III Specifications

Detailed spec comparison table for Pentax K-500 and Sony RX100 III
 Pentax K-500Sony Cyber-shot DSC-RX100 III
General Information
Manufacturer Pentax Sony
Model type Pentax K-500 Sony Cyber-shot DSC-RX100 III
Type Entry-Level DSLR Large Sensor Compact
Introduced 2013-11-27 2014-05-15
Body design Compact SLR Large Sensor Compact
Sensor Information
Processor PRIME M Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.7 x 15.7mm 13.2 x 8.8mm
Sensor surface area 372.1mm² 116.2mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Maximum resolution 4928 x 3264 5472 x 3648
Maximum native ISO 51600 12800
Minimum native ISO 100 125
RAW images
Autofocusing
Focus manually
Touch to focus
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 25
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-70mm (2.9x)
Maximal aperture - f/1.8-2.8
Macro focusing range - 5cm
Available lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Screen type Fixed Type Tilting
Screen diagonal 3 inches 3 inches
Screen resolution 921 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Screen technology TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,440 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.59x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/6000 seconds 1/2000 seconds
Continuous shooting speed 6.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance 12.00 m (at ISO 100) -
Flash options Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless -
External flash
AEB
White balance bracketing
Maximum flash sync 1/180 seconds 1/2000 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 646 grams (1.42 pounds) 290 grams (0.64 pounds)
Physical dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around rating 79 67
DXO Color Depth rating 23.7 22.4
DXO Dynamic range rating 13.1 12.3
DXO Low light rating 1087 495
Other
Battery life 710 shots 320 shots
Battery form AA Battery Pack
Battery ID 4 x AA NP-BX1
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Cost at launch $600 $748