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Pentax K-5 vs Sony RX10 III

Portability
60
Imaging
56
Features
82
Overall
66
Pentax K-5 front
 
Sony Cyber-shot DSC-RX10 III front
Portability
53
Imaging
52
Features
77
Overall
62

Pentax K-5 vs Sony RX10 III Key Specs

Pentax K-5
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 80 - 12800 (Bump to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 740g - 131 x 97 x 73mm
  • Revealed December 2010
  • Replaced the Pentax K-7
  • Refreshed by Pentax K-5 IIs
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
  • Revealed March 2016
  • Superseded the Sony RX10 II
  • Later Model is Sony RX10 IV
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Pentax K-5 vs Sony RX10 III Overview

Let's examine more in depth at the Pentax K-5 vs Sony RX10 III, former is a Advanced DSLR while the latter is a Large Sensor Superzoom by competitors Pentax and Sony. The sensor resolution of the K-5 (16MP) and the RX10 III (20MP) is pretty comparable but the K-5 (APS-C) and RX10 III (1") possess different sensor size.

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The K-5 was introduced 6 years earlier than the RX10 III which is a fairly large difference as far as camera technology is concerned. Both the cameras offer different body type with the Pentax K-5 being a Mid-size SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before delving through a step-by-step comparison, below is a simple highlight of how the K-5 scores against the RX10 III with regard to portability, imaging, features and an overall mark.

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

 K-5 RX10 III 

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

 RX10 III K-5 
RevealedMarch 2016December 2010Newer by 64 months
Screen typeTiltingFixed Tilting screen
Screen resolution1229k921kClearer screen (+308k dot)

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

 K-5 RX10 III 
Focus manually Dial accurate focus
Screen sizing3"3"Equivalent screen size
Selfie screen Neither comes with selfie screen
Touch friendly screen Lacking Touch friendly screen

Pentax K-5 vs Sony RX10 III Physical Comparison

For anyone who is aiming to travel with your camera often, you have to take into account its weight and measurements. The Pentax K-5 comes with physical measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs) while 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).

Check out the Pentax K-5 vs Sony RX10 III in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary dependant on the lens you are utilizing at that moment. Below is the front view sizing comparison of the K-5 against the RX10 III.

Pentax K-5 vs Sony RX10 III size comparison

Taking into consideration dimensions and weight, the portability grade of the K-5 and RX10 III is 60 and 53 respectively.

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

Pentax K-5 vs Sony RX10 III Sensor Comparison

Sometimes, it can be tough to visualize the contrast in sensor dimensions just by checking out a spec sheet. The pic underneath will give you a far better sense of the sensor sizing in the K-5 and RX10 III.

Clearly, both of the cameras offer different megapixel count and different sensor dimensions. The K-5 having a bigger sensor is going to make achieving shallower DOF simpler and the Sony RX10 III will provide more detail using its extra 4 Megapixels. Higher resolution can also let you crop photographs a little more aggressively. The more aged K-5 will be disadvantaged in sensor technology.

Pentax K-5 vs Sony RX10 III sensor size comparison

Pentax K-5 vs Sony RX10 III Screen and ViewFinder

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

Portrait Comparison

Pentax K-5 Portrait photography details
Sony RX10 III Portrait photography details
73
you can focus manually
megapixel count decent (16 megapixels)
nice sensor size (APS-C)
offers face detection autofocus
delivers RAW formats
71
manual focus
megapixel count good (20MP)
sensor size is nice (1")
has face detection autofocus
supports RAW files
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Street Comparison

Street photography with Pentax K-5
Street photography with Sony RX10 III
66
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
weather sealing
fixed screen
64
tilting screen
image stabilization (Optical)
sensor size is nice (1")
supports RAW files
weather sealing
more heavy than competitors (1,051 grams)
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Sports Comparison

Pentax K-5 Sports photography factors
Sony RX10 III Sports photography factors
78
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
megapixel count decent (16 megapixels)
nice sensor size (APS-C)
offers tracking autofocus
weather sealing
supports phase detect autofocus
70
long zoom range (24-600mm 25.0 x zoom)
quiet shooting (1/32,000 seconds)
image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is nice (1")
has tracking autofocus
weather sealing
great battery pack (420 shots)
has no phase detect autofocus
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Travel Comparison

Pentax K-5 Travel photography factors
Sony RX10 III Travel photography factors
65
weather sealing
megapixel count decent (16 megapixels)
flash built-in
does not offer selfie friendly screen
55
great battery pack (420 per charge)
weather sealing
megapixel count good (20MP)
has built in flash
decently wide (24mm)
very long zoom (600mm)
lack of Timelapse function
more heavy than competitors (1,051 grams)
display isn't selfie friendly
slow maximum aperture (f2.4)
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Landscape Comparison

Pentax K-5 Landscape photography factors
Sony RX10 III Landscape photography factors
78
you can focus manually
swap lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
megapixel count decent (16MP)
nice sensor size (APS-C)
delivers RAW formats
weather sealing
63
manual focus
decently wide (24mm)
nice screen size (3 inches)
image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is nice (1")
supports RAW files
weather sealing
great battery pack (420 per charge)
lens is fixed (fixed lens mount)
slow maximum aperture (f2.4)
lack of Timelapse function
Photography Glossary

Vlogging Comparison

Vlogging with Pentax K-5
Vlogging with Sony RX10 III
33
has image stabilization (Sensor based)
offers face detection autofocus
great video quality (1920 x 1080 pixels)
comes with external mic socket
does not offer selfie friendly screen
28
decently wide (24mm)
image stabilization (Optical)
has face detection autofocus
high quality video (3840 x 2160 pxls)
does have external microphone port
slow maximum aperture (f2.4)
display isn't selfie friendly
more heavy than competitors (1,051 grams)
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Pentax K-5 vs Sony RX10 III Specifications

Detailed spec comparison table for Pentax K-5 and Sony RX10 III
 Pentax K-5Sony Cyber-shot DSC-RX10 III
General Information
Brand Name Pentax Sony
Model Pentax K-5 Sony Cyber-shot DSC-RX10 III
Class Advanced DSLR Large Sensor Superzoom
Revealed 2010-12-18 2016-03-29
Body design Mid-size SLR SLR-like (bridge)
Sensor Information
Powered by 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 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Max resolution 4928 x 3264 5472 x 3648
Max native ISO 12800 12800
Max enhanced ISO 51200 25600
Min native ISO 80 125
RAW format
Min enhanced ISO - 64
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 25
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 24-600mm (25.0x)
Highest aperture - f/2.4-4.0
Macro focus range - 3cm
Number of lenses 151 -
Crop factor 1.5 2.7
Screen
Display type Fixed Type Tilting
Display diagonal 3" 3"
Resolution of display 921 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch screen
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.7x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/2000 seconds
Max quiet shutter speed - 1/32000 seconds
Continuous shutter speed 7.0fps 14.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) 10.80 m (at Auto ISO)
Flash options Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, fill-flash, slow sync, rear sync, off
External flash
AE bracketing
WB bracketing
Max flash sync 1/180 seconds -
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 424 (25, 30 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution 1920x1080 3840x2160
Video file format Motion JPEG MPEG-4, AVCHD, XAVC S
Microphone 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 740 grams (1.63 pounds) 1051 grams (2.32 pounds)
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 23.7 23.1
DXO Dynamic range score 14.1 12.6
DXO Low light score 1162 472
Other
Battery life 980 shots 420 shots
Form 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 recording
Storage media SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Single
Price at release $800 $1,398