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Pentax K-1 II vs Sony RX100

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-RX100 front
Portability
91
Imaging
50
Features
68
Overall
57

Pentax K-1 II vs Sony RX100 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
  • Previous Model is Pentax K-1
Sony RX100
(Full Review)
  • 20MP - 1" Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 240g - 102 x 58 x 36mm
  • Launched August 2012
  • Updated by Sony RX100 II
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Pentax K-1 II vs Sony RX100 Overview

Let's examine more in depth at the Pentax K-1 II versus Sony RX100, former being a Advanced DSLR while the latter is a Large Sensor Compact by companies Pentax and Sony. There is a noticeable difference among the sensor resolutions of the K-1 II (36MP) and RX100 (20MP) and the K-1 II (Full frame) and RX100 (1") feature totally different sensor sizes.

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The K-1 II was unveiled 5 years later than the RX100 and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras come with different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX100 being a Large Sensor Compact camera.

Before going in to a more detailed comparison, below is a simple highlight of how the K-1 II scores against the RX100 with regard to portability, imaging, features and an overall rating.

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

 K-1 II RX100 
LaunchedFebruary 2018August 2012Fresher by 67 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3.2"3"Bigger screen (+0.2")

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

 RX100 K-1 II 
Screen resolution1229k1037kSharper screen (+192k dot)

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

 K-1 II RX100 
Manually focus Very exact focus
Selfie screen Neither contains selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax K-1 II vs Sony RX100 Physical Comparison

For those who are looking to carry your camera, you need to take into account its weight and dimensions. The Pentax K-1 II has got outside measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") along with a weight of 1010 grams (2.23 lbs) and the Sony RX100 has dimensions of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") with a weight of 240 grams (0.53 lbs).

Check out the Pentax K-1 II versus Sony RX100 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change based on the lens you are employing at that moment. Underneath is the front view scale comparison of the K-1 II and the RX100.

Pentax K-1 II vs Sony RX100 size comparison

Looking at size and weight, the portability grade of the K-1 II and RX100 is 55 and 91 respectively.

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

Pentax K-1 II vs Sony RX100 Sensor Comparison

Often, its tough to visualise the contrast in sensor sizing merely by looking through a spec sheet. The photograph underneath may give you a clearer sense of the sensor measurements in the K-1 II and RX100.

As you can see, the two cameras posses different megapixels and different sensor sizing. The K-1 II with its bigger sensor will make achieving shallow depth of field less difficult and the Pentax K-1 II will provide you with more detail having an extra 16MP. Higher resolution will also allow you to crop shots somewhat more aggressively. The fresher K-1 II will have an advantage with regard to sensor tech.

Pentax K-1 II vs Sony RX100 sensor size comparison

Pentax K-1 II vs Sony RX100 Screen and ViewFinder

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

Portrait Comparison

Pentax K-1 II Portrait photography highlights
Sony RX100 Portrait photography highlights
86
manual focus
megapixel count fantastic (36 megapixels)
sensor size is big (Full frame)
provides face detection focusing
delivers RAW files
64
has manual focus
above average flash sync speed (1/2,000s)
megapixel count good (20 megapixels)
sensor size is decent (1")
comes with face detect autofocus
delivers RAW files
external flash not possible
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Street Comparison

Pentax K-1 II Street photography info
Sony RX100 Street photography info
70
fully articulated screen
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
delivers RAW files
environment proof
good ISO range (819,200)
heavier than competition (1,010g)
79
has image stabilization (Optical)
sensor size is decent (1")
delivers RAW files
lighter than competitors (240 grams)
above average high ISO (25,600)
screen does not articulate
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Sports Comparison

Sports photography with Pentax K-1 II
Sports photography with Sony RX100
77
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
megapixel count fantastic (36MP)
sensor size is big (Full frame)
provides tracking autofocus
environment proof
comes with phase detect AF
max fps low (4.4 fps)
low battery life (670 shots)
65
has image stabilization (Optical)
megapixel count good (20MP)
sensor size is decent (1")
comes with tracking focus
has no phase detect autofocus
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Travel Comparison

Pentax K-1 II Travel photography advice
Sony RX100 Travel photography advice
53
environment proof
megapixel count fantastic (36 megapixels)
low battery life (670 CIPA)
heavier than competition (1,010 grams)
screen isn't selfie friendly
79
lighter than competitors (240 grams)
megapixel count good (20 megapixels)
built-in flash
quite wide (28mm)
fast maximum aperture (f1.8)
display isn't selfie friendly
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Landscape Comparison

Pentax K-1 II Landscape photography advice
Sony RX100 Landscape photography advice
82
manual focus
swap lenses (Pentax KAF4 mount)
decent sized screen (3.2")
image stabilization (Sensor based 5-axis)
megapixel count fantastic (36MP)
sensor size is big (Full frame)
no anti aliasing filter
good ISO range (819,200)
delivers RAW files
environment proof
has dual storage slots
low battery life (670 shots)
74
has manual focus
quite wide (28mm)
fast maximum aperture (f1.8)
pretty good screen size (3 inch)
has image stabilization (Optical)
megapixel count good (20MP)
sensor size is decent (1")
above average high ISO (25,600)
delivers RAW files
cannot change lens (fixed lens mount)
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Vlogging Comparison

Pentax K-1 II Vlogging information
Sony RX100 Vlogging information
32
image stabilization (Sensor based 5-axis)
provides face detection focusing
high res video (1920 x 1080 pxls)
does have external mic jack
screen isn't selfie friendly
heavier than competition (1,010 grams)
38
quite wide (28mm)
fast maximum aperture (f1.8)
has image stabilization (Optical)
comes with face detect autofocus
great video quality (1920 x 1080 pixels)
lighter than competitors (240 grams)
display isn't selfie friendly
no microphone socket
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Pentax K-1 II vs Sony RX100 Specifications

Detailed spec comparison table for Pentax K-1 II and Sony RX100
 Pentax K-1 Mark IISony Cyber-shot DSC-RX100
General Information
Manufacturer Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-RX100
Category Advanced DSLR Large Sensor Compact
Introduced 2018-02-22 2012-08-28
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor PRIME IV -
Sensor type CMOS CMOS
Sensor size Full frame 1"
Sensor measurements 35.9 x 24mm 13.2 x 8.8mm
Sensor 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
Highest Possible resolution 7360 x 4912 5472 x 3648
Maximum native ISO 819200 25600
Min native ISO 100 100
RAW support
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 33 25
Cross focus points 25 -
Lens
Lens mount Pentax KAF4 fixed lens
Lens focal range - 28-100mm (3.6x)
Max aperture - f/1.8-4.9
Macro focus distance - 5cm
Available lenses 151 -
Focal length multiplier 1 2.7
Screen
Type of display Fully Articulated Fixed Type
Display size 3.2" 3"
Resolution of display 1,037k dots 1,229k dots
Selfie friendly
Liveview
Touch capability
Display tech - WhiteMagic TFT LCD
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.7x -
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/2000s
Continuous shutter rate 4.4fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in 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 Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize 1/200s 1/2000s
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 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD
Microphone port
Headphone port
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 lb) 240g (0.53 lb)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 102 x 58 x 36mm (4.0" x 2.3" x 1.4")
DXO scores
DXO Overall score not tested 66
DXO Color Depth score not tested 22.6
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 390
Other
Battery life 670 pictures 330 pictures
Battery type Battery Pack Battery Pack
Battery model D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting With downloadable app
Storage type Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Dual One
Retail price $1,737 $448