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Pentax K-1 II vs Sony RX100 III

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Pentax K-1 II vs Sony RX100 III Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2018
  • Old Model is Pentax K-1
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
  • Introduced May 2014
  • Old Model is Sony RX100 II
  • Refreshed by Sony RX100 IV
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Pentax K-1 II vs Sony RX100 III Overview

Its time to look much closer at the Pentax K-1 II vs Sony RX100 III, one is a Advanced DSLR and the other is a Large Sensor Compact by companies Pentax and Sony. There is a big difference between the resolutions of the K-1 II (36MP) and RX100 III (20MP) and the K-1 II (Full frame) and RX100 III (1") boast totally different sensor sizing.

Photography Glossary

The K-1 II was brought out 3 years after the RX100 III which is quite a big gap as far as tech is concerned. Both the cameras feature different body design with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving into a in-depth comparison, here is a simple synopsis of how the K-1 II matches up versus the RX100 III in regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 II over the Sony RX100 III

 K-1 II RX100 III 
IntroducedFebruary 2018May 2014More modern by 46 months
Display typeFully ArticulatedTiltingFully Articulating display
Display size3.2"3"Larger display (+0.2")

Reasons to pick Sony RX100 III over the Pentax K-1 II

 RX100 III K-1 II 
Display resolution1229k1037kClearer display (+192k dot)
Selfie screen Take selfies

Common features in the Pentax K-1 II and Sony RX100 III

 K-1 II RX100 III 
Manually focus Dial exact focusing
Touch display Neither has Touch display

Pentax K-1 II vs Sony RX100 III Physical Comparison

If you are aiming to carry around your camera frequently, you need to take into account its weight and measurements. The Pentax K-1 II has physical dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) while the Sony RX100 III has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 290 grams (0.64 lbs).

Look at the Pentax K-1 II vs Sony RX100 III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with during that time. Following is a front view physical size comparison of the K-1 II vs the RX100 III.

Pentax K-1 II vs Sony RX100 III size comparison

Using size and weight, the portability score of the K-1 II and RX100 III is 55 and 89 respectively.

Pentax K-1 II vs Sony RX100 III top view buttons comparison

Pentax K-1 II vs Sony RX100 III Sensor Comparison

In many cases, its tough to see the difference between sensor sizes merely by going over specifications. The image underneath should provide you a stronger sense of the sensor dimensions in the K-1 II and RX100 III.

Plainly, both of these cameras come with different resolutions and different sensor sizes. The K-1 II due to its larger sensor will make achieving shallower DOF simpler and the Pentax K-1 II will offer you extra detail having its extra 16 Megapixels. Greater resolution will make it easier to crop images a good deal more aggressively. The more recent K-1 II is going to have an edge in sensor tech.

Pentax K-1 II vs Sony RX100 III sensor size comparison

Pentax K-1 II vs Sony RX100 III Screen and ViewFinder

Pentax K-1 II vs Sony RX100 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II as a Portrait photography camera
Sony RX100 III as a Portrait photography camera
86
you can focus manually
amazing sensor resolution (36MP)
large sensor size (Full frame)
has face detection focusing
saves RAW files
64
you can focus manually
flash sync is higher than normal (1/2,000s)
MP count good (20MP)
nice sensor size (1")
includes face detection autofocus
supports RAW files
cannot use external flash
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Street Comparison

Pentax K-1 II as a Street photography camera
Sony RX100 III as a Street photography camera
70
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW files
environment sealing
above average ISO range (819,200)
heavier than competition (1,010 grams)
85
has a tilting screen
built in image stabilization (Optical)
nice sensor size (1")
supports RAW files
lighter than competition in class (290g)
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Sports Comparison

Pentax K-1 II as a Sports photography camera
Sony RX100 III as a Sports photography camera
77
max shutter speed is good (1/8,000s)
image stabilization (Sensor based 5-axis)
amazing sensor resolution (36 megapixels)
large sensor size (Full frame)
has tracking autofocus
environment sealing
has phase detect AF
low fps (4.4 frames/s)
bad battery (670 shots)
65
built in image stabilization (Optical)
MP count good (20 megapixels)
nice sensor size (1")
includes tracking autofocus
has no phase detect autofocus
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Travel Comparison

Travel photography with Pentax K-1 II
Travel photography with Sony RX100 III
53
environment sealing
amazing sensor resolution (36MP)
bad battery (670 per charge)
heavier than competition (1,010g)
doesn't have a selfie friendly screen
85
lighter than competition in class (290 grams)
MP count good (20 megapixels)
has built in flash
display is selfie friendly
decently wide (24mm)
great maximum aperture (f1.8)
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Landscape Comparison

Landscape photography with Pentax K-1 II
Landscape photography with Sony RX100 III
82
you can focus manually
change lenses (Pentax KAF4 mount)
pretty good screen size (3.2 inches)
image stabilization (Sensor based 5-axis)
amazing sensor resolution (36 megapixels)
large sensor size (Full frame)
doesnt have anti aliasing filter
above average ISO range (819,200)
saves RAW files
environment sealing
two card slots
bad battery (670 CIPA)
73
you can focus manually
decently wide (24mm)
great maximum aperture (f1.8)
good sized screen (3")
built in image stabilization (Optical)
MP count good (20MP)
nice sensor size (1")
supports RAW files
cannot change lens (fixed lens mount)
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Vlogging Comparison

Pentax K-1 II Vlogging details
Sony RX100 III Vlogging details
32
image stabilization (Sensor based 5-axis)
has face detection focusing
high res video (1920 x 1080 pxls)
has external mic socket
doesn't have a selfie friendly screen
heavier than competition (1,010g)
80
decently wide (24mm)
great maximum aperture (f1.8)
display is selfie friendly
built in image stabilization (Optical)
includes face detection autofocus
good video quality (1920 x 1080 pixels)
lighter than competition in class (290 grams)
does not have external microphone support
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Pentax K-1 II vs Sony RX100 III Specifications

Detailed spec comparison table for Pentax K-1 II and Sony RX100 III
 Pentax K-1 Mark IISony Cyber-shot DSC-RX100 III
General Information
Company Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-RX100 III
Class Advanced DSLR Large Sensor Compact
Introduced 2018-02-22 2014-05-15
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Powered by PRIME IV Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor measurements 35.9 x 24mm 13.2 x 8.8mm
Sensor surface area 861.6mm² 116.2mm²
Sensor resolution 36MP 20MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 7360 x 4912 5472 x 3648
Highest native ISO 819200 12800
Min native ISO 100 125
RAW pictures
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 33 25
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF4 fixed lens
Lens focal range - 24-70mm (2.9x)
Largest aperture - f/1.8-2.8
Macro focus distance - 5cm
Number of lenses 151 -
Focal length multiplier 1 2.7
Screen
Display type Fully Articulated Tilting
Display diagonal 3.2 inch 3 inch
Display resolution 1,037 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,440 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.59x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/2000 seconds
Continuous shutter rate 4.4 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range no built-in flash -
Flash modes 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 -
Hot shoe
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/200 seconds 1/2000 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 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 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 Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010g (2.23 pounds) 290g (0.64 pounds)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall score not tested 67
DXO Color Depth score not tested 22.4
DXO Dynamic range score not tested 12.3
DXO Low light score not tested 495
Other
Battery life 670 photographs 320 photographs
Type of battery Battery Pack Battery Pack
Battery model D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse feature With downloadable app
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Dual 1
Price at release $1,737 $748