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Pentax K-1 II vs Sony RX1

Portability
55
Imaging
77
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-RX1 front
Portability
79
Imaging
69
Features
57
Overall
64

Pentax K-1 II vs Sony RX1 Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2018
  • Old Model is Pentax K-1
Sony RX1
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 25600
  • 1920 x 1080 video
  • 35mm (F2.0-22.0) lens
  • 482g - 113 x 65 x 70mm
  • Revealed February 2013
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Pentax K-1 II vs Sony RX1 Overview

On this page, we are analyzing the Pentax K-1 II and Sony RX1, former being a Advanced DSLR while the other is a Large Sensor Compact by brands Pentax and Sony. There exists a noticeable gap among the sensor resolutions of the K-1 II (36MP) and RX1 (24MP) but both cameras boast the same sensor sizes (Full frame).

Photography Glossary

The K-1 II was announced 5 years later than the RX1 and that is a fairly sizable difference as far as camera technology is concerned. The two cameras have different body design with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX1 being a Large Sensor Compact camera.

Before going right into a in-depth comparison, here is a simple summary of how the K-1 II grades against the RX1 for portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-1 II over the Sony RX1

 K-1 II RX1 
RevealedFebruary 2018February 2013More recent by 61 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3.2"3"Larger display (+0.2")

Reasons to pick Sony RX1 over the Pentax K-1 II

 RX1 K-1 II 
Display resolution1229k1037kClearer display (+192k dot)

Common features in the Pentax K-1 II and Sony RX1

 K-1 II RX1 
Manually focus More exact focus
Selfie screen Lacking selfie screen
Touch friendly display Neither offers Touch friendly display

Pentax K-1 II vs Sony RX1 Physical Comparison

In case you're intending to lug around your camera, you should take into account its weight and proportions. The Pentax K-1 II offers outside measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) and the Sony RX1 has measurements of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") with a weight of 482 grams (1.06 lbs).

Check the Pentax K-1 II and Sony RX1 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you choose at that moment. Underneath is a front view measurement comparison of the K-1 II and the RX1.

Pentax K-1 II vs Sony RX1 size comparison

Looking at dimensions and weight, the portability grade of the K-1 II and RX1 is 55 and 79 respectively.

Pentax K-1 II vs Sony RX1 top view buttons comparison

Pentax K-1 II vs Sony RX1 Sensor Comparison

Quite often, it is very difficult to visualise the gap in sensor measurements merely by going through specs. The visual here will provide you a stronger sense of the sensor measurements in the K-1 II and RX1.

As you can plainly see, both of the cameras provide the same sensor dimensions but not the same megapixels. You can expect to see the Pentax K-1 II to produce greater detail with its extra 12MP. Greater resolution can also allow you to crop images more aggressively. The fresher K-1 II is going to have a benefit in sensor innovation.

Pentax K-1 II vs Sony RX1 sensor size comparison

Pentax K-1 II vs Sony RX1 Screen and ViewFinder

Pentax K-1 II vs Sony RX1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1 II
Portrait photography with Sony RX1
86
you can focus manually
great MP (36MP)
large sensor size (Full frame)
comes with face detection autofocus
supports RAW formats
81
manual focus
high flash sync speed (1/4,000 seconds)
decent MP (24 megapixels)
sensor size is big (Full frame)
supports face detection focusing
delivers RAW files
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Street Comparison

Pentax K-1 II Street photography features
Sony RX1 Street photography features
70
screen articulates
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW formats
environment sealing
very good ISO range (819,200)
more heavy than competition (1,010g)
66
sensor size is big (Full frame)
delivers RAW files
great high ISO (25,600)
screen is fixed
no image stabilization
more heavy than others (482 grams)
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Sports Comparison

Pentax K-1 II Sports photography advice
Sony RX1 Sports photography advice
77
max shutter speed is good (1/8,000s)
image stabilization (Sensor based 5-axis)
great MP (36 megapixels)
large sensor size (Full frame)
comes with tracking autofocus
environment sealing
supports phase detect autofocus
max frames per second low (4.4 fps)
bad battery pack (670 per charge)
53
decent MP (24MP)
sensor size is big (Full frame)
supports tracking autofocus
can't change focal length (35mm)
slow frames per second (5.0 frames/s)
no image stabilization
terrible battery life (270 per charge)
lack of phase detect AF
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Travel Comparison

Travel photography with Pentax K-1 II
Travel photography with Sony RX1
53
environment sealing
great MP (36MP)
bad battery pack (670 CIPA)
more heavy than competition (1,010g)
does not feature selfie friendly screen
62
decent MP (24 megapixels)
has built in flash
great max aperture (f2.0)
lack of Timelapse recording
terrible battery life (270 per charge)
more heavy than others (482g)
does not have a selfie friendly screen
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Landscape Comparison

Pentax K-1 II Landscape photography details
Sony RX1 Landscape photography details
82
you can focus manually
swap lenses (Pentax KAF4 mount)
screen is a decent size (3.2")
image stabilization (Sensor based 5-axis)
great MP (36MP)
large sensor size (Full frame)
does not have anti aliasing filter
very good ISO range (819,200)
supports RAW formats
environment sealing
has double storage slots
bad battery pack (670 CIPA)
64
manual focus
great max aperture (f2.0)
pretty good screen size (3 inch)
decent MP (24MP)
sensor size is big (Full frame)
great high ISO (25,600)
delivers RAW files
cannot change lenses (fixed lens mount)
can't change focal length (35mm)
no image stabilization
terrible battery life (270 shots)
lack of Timelapse recording
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Vlogging Comparison

Pentax K-1 II Vlogging features
Sony RX1 Vlogging features
32
image stabilization (Sensor based 5-axis)
comes with face detection autofocus
high quality video (1920 x 1080 resolution)
comes with external microphone port
does not feature selfie friendly screen
more heavy than competition (1,010g)
34
great max aperture (f2.0)
supports face detection focusing
high video quality (1920 x 1080 resolution)
comes with external microphone support
does not have a selfie friendly screen
no image stabilization
more heavy than others (482 grams)
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Pentax K-1 II vs Sony RX1 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony RX1
 Pentax K-1 Mark IISony Cyber-shot DSC-RX1
General Information
Manufacturer Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-RX1
Category Advanced DSLR Large Sensor Compact
Introduced 2018-02-22 2013-02-19
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Powered by PRIME IV -
Sensor type CMOS CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.8 x 23.8mm
Sensor surface area 861.6mm² 852.0mm²
Sensor resolution 36 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 7360 x 4912 6000 x 4000
Maximum native ISO 819200 25600
Lowest native ISO 100 100
RAW format
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 33 25
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF4 fixed lens
Lens focal range - 35mm (1x)
Maximal aperture - f/2.0-22.0
Number of lenses 151 -
Focal length multiplier 1 1
Screen
Type of screen Fully Articulated Fixed Type
Screen size 3.2 inch 3 inch
Screen resolution 1,037k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Screen tech - Xtra FineTFT LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic and Optical (optional)
Viewfinder coverage 100 percent -
Viewfinder magnification 0.7x -
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shutter rate 4.4fps 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 6.00 m
Flash options 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 Auto, On, Off, Slow Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/200 seconds 1/4000 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1920 x 1080 (60, 50, 25, 24 fps), 1440 x 1080 (30, 25 fps), 1280 x 720 (30 fps), 640 x 480 (30, 25 fps)
Maximum video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, AVCHD
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 Eye-Fi Connected
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) 482g (1.06 pounds)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 113 x 65 x 70mm (4.4" x 2.6" x 2.8")
DXO scores
DXO Overall score not tested 93
DXO Color Depth score not tested 25.1
DXO Dynamic range score not tested 14.3
DXO Low light score not tested 2534
Other
Battery life 670 photos 270 photos
Battery style Battery Pack Battery Pack
Battery model D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage type Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Two Single
Cost at release $1,737 $2,798