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Pentax K-5 II vs Sony RX10 III

Portability
60
Imaging
58
Features
82
Overall
67
Pentax K-5 II front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
53
Features
77
Overall
62

Pentax K-5 II vs Sony RX10 III Key Specs

Pentax K-5 II
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800 (Raise to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Introduced June 2013
  • Old Model is Pentax K-5
Sony RX10 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • 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
  • Announced March 2016
  • Previous Model is Sony RX10 II
  • Later Model is Sony RX10 IV
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Pentax K-5 II vs Sony RX10 III Overview

Lets take a deeper look at the Pentax K-5 II and Sony RX10 III, one is a Advanced DSLR and the latter is a Large Sensor Superzoom by competitors Pentax and Sony. The image resolution of the K-5 II (16MP) and the RX10 III (20MP) is relatively comparable but the K-5 II (APS-C) and RX10 III (1") posses totally different sensor dimensions.

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The K-5 II was manufactured 3 years before the RX10 III which is a fairly sizable gap as far as camera technology is concerned. Each of the cameras have different body design with the Pentax K-5 II being a Mid-size SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before diving right into a more detailed comparison, here is a simple synopsis of how the K-5 II matches up vs the RX10 III with regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-5 II over the Sony RX10 III

 K-5 II RX10 III 

Reasons to pick Sony RX10 III over the Pentax K-5 II

 RX10 III K-5 II 
AnnouncedMarch 2016June 2013Newer by 34 months
Screen typeTiltingFixed Tilting screen
Screen resolution1229k921kCrisper screen (+308k dot)

Common features in the Pentax K-5 II and Sony RX10 III

 K-5 II RX10 III 
Manual focus Dial exact focusing
Screen dimensions3"3"Equal screen sizing
Selfie screen Missing selfie screen
Touch screen Missing Touch screen

Pentax K-5 II vs Sony RX10 III Physical Comparison

If you're looking to travel with your camera, you need to think about its weight and measurements. The Pentax K-5 II features physical measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 760 grams (1.68 lbs) and the Sony RX10 III has proportions of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") having a weight of 1051 grams (2.32 lbs).

Analyze the Pentax K-5 II and Sony RX10 III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising during that time. Here is a front view dimension comparison of the K-5 II against the RX10 III.

Pentax K-5 II vs Sony RX10 III size comparison

Using dimensions and weight, the portability score of the K-5 II and RX10 III is 60 and 53 respectively.

Pentax K-5 II vs Sony RX10 III top view buttons comparison

Pentax K-5 II vs Sony RX10 III Sensor Comparison

Normally, it's difficult to envision the difference in sensor dimensions purely by going through technical specs. The image here may provide you a far better sense of the sensor measurements in the K-5 II and RX10 III.

As you can tell, each of the cameras provide different megapixel count and different sensor dimensions. The K-5 II due to its bigger sensor will make shooting shallow DOF less difficult and the Sony RX10 III will provide extra detail due to its extra 4MP. Higher resolution will make it easier to crop shots more aggressively. The more aged K-5 II will be behind in sensor technology.

Pentax K-5 II vs Sony RX10 III sensor size comparison

Pentax K-5 II vs Sony RX10 III Screen and ViewFinder

Pentax K-5 II vs Sony RX10 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 II as a Portrait photography camera
Sony RX10 III as a Portrait photography camera
74
focusing manually
MP count good (16 megapixels)
sensor size is decent (APS-C)
provides face detection focusing
saves RAW files
71
has manual focus
megapixel count decent (20MP)
decent sensor size (1")
features face detection autofocus
supports RAW files
Photography Glossary

Street Comparison

Pentax K-5 II Street photography highlights
Sony RX10 III Street photography highlights
67
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
environment sealing
no articulating screen
64
screen tilts
image stabilization (Optical)
decent sensor size (1")
supports RAW files
environment proofing
more heavy than average in class (1,051 grams)
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Sports Comparison

Pentax K-5 II Sports photography advice
Sony RX10 III Sports photography advice
79
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
MP count good (16 megapixels)
sensor size is decent (APS-C)
provides tracking autofocus
environment sealing
supports phase detect AF
70
great zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000 seconds)
image stabilization (Optical)
megapixel count decent (20MP)
decent sensor size (1")
features tracking autofocus
environment proofing
great battery pack (420 CIPA)
lack of phase detect autofocus
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Travel Comparison

Pentax K-5 II Travel photography highlights
Sony RX10 III Travel photography highlights
65
environment sealing
MP count good (16MP)
flash built-in
display isn't selfie friendly
55
great battery pack (420 shots)
environment proofing
megapixel count decent (20 megapixels)
has built in flash
rather wide (24mm)
very long zoom (600mm)
does not have Timelapse mode
more heavy than average in class (1,051 grams)
does not offer selfie friendly screen
somewhat slow maximum aperture (f2.4)
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Landscape Comparison

Pentax K-5 II Landscape photography details
Sony RX10 III Landscape photography details
79
focusing manually
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3 inch)
image stabilization (Sensor based)
MP count good (16 megapixels)
sensor size is decent (APS-C)
saves RAW files
environment sealing
64
has manual focus
rather wide (24mm)
pretty good screen size (3 inches)
image stabilization (Optical)
megapixel count decent (20 megapixels)
decent sensor size (1")
supports RAW files
environment proofing
great battery pack (420 shots)
cannot swap lenses (fixed lens mount)
somewhat slow maximum aperture (f2.4)
does not have Timelapse mode
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Vlogging Comparison

Pentax K-5 II Vlogging factors
Sony RX10 III Vlogging factors
33
image stabilization (Sensor based)
provides face detection focusing
video resolution high (1920 x 1080 pxls)
comes with external mic port
display isn't selfie friendly
28
rather wide (24mm)
image stabilization (Optical)
features face detection autofocus
video resolution high (3840 x 2160 resolution)
has external microphone support
somewhat slow maximum aperture (f2.4)
does not offer selfie friendly screen
more heavy than average in class (1,051 grams)
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Pentax K-5 II vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax K-5 II and Sony RX10 III
 Pentax K-5 IISony Cyber-shot DSC-RX10 III
General Information
Make Pentax Sony
Model Pentax K-5 II Sony Cyber-shot DSC-RX10 III
Category Advanced DSLR Large Sensor Superzoom
Introduced 2013-06-04 2016-03-29
Physical type Mid-size SLR SLR-like (bridge)
Sensor Information
Chip Prime II Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor measurements 23.7 x 15.7mm 13.2 x 8.8mm
Sensor surface area 372.1mm² 116.2mm²
Sensor resolution 16 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4928 x 3264 5472 x 3648
Maximum native ISO 12800 12800
Maximum enhanced ISO 51200 25600
Lowest native ISO 100 125
RAW format
Lowest enhanced ISO 80 64
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
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)
Maximum aperture - f/2.4-4.0
Macro focus range - 3cm
Amount of lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Type of screen Fixed Type Tilting
Screen diagonal 3 inches 3 inches
Screen resolution 921 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch function
Screen tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.7x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/2000s
Max silent shutter speed - 1/32000s
Continuous shutter rate 7.0fps 14.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) 10.80 m (at Auto ISO)
Flash modes Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, fill-flash, slow sync, rear sync, off
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 3840x2160
Video format Motion JPEG MPEG-4, AVCHD, XAVC S
Microphone support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 760 grams (1.68 pounds) 1051 grams (2.32 pounds)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 133 x 94 x 127mm (5.2" x 3.7" x 5.0")
DXO scores
DXO Overall score 82 70
DXO Color Depth score 23.8 23.1
DXO Dynamic range score 14.1 12.6
DXO Low light score 1235 472
Other
Battery life 980 shots 420 shots
Style of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FW50
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, continuous)
Time lapse feature
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Pricing at release $830 $1,398