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Pentax K-1 II vs Sony RX10 IV

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
54
Features
82
Overall
65

Pentax K-1 II vs Sony RX10 IV 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 Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Revealed February 2018
  • Earlier Model is Pentax K-1
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Increase to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Released September 2017
  • Older Model is Sony RX10 III
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Pentax K-1 II vs Sony RX10 IV Overview

In this article, we will be contrasting the Pentax K-1 II vs Sony RX10 IV, one being a Advanced DSLR and the latter is a Large Sensor Superzoom by companies Pentax and Sony. There exists a big gap among the sensor resolutions of the K-1 II (36MP) and RX10 IV (20MP) and the K-1 II (Full frame) and RX10 IV (1") enjoy totally different sensor measurements.

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The K-1 II was manufactured 6 months later than the RX10 IV so they are both of a similar generation. Both of these cameras offer different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before delving straight into a thorough comparison, below is a brief overview of how the K-1 II matches up versus the RX10 IV with respect to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax K-1 II over the Sony RX10 IV

 K-1 II RX10 IV 
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen sizing3.2"3"Bigger screen (+0.2")

Reasons to pick Sony RX10 IV over the Pentax K-1 II

 RX10 IV K-1 II 
Screen resolution1440k1037kCrisper screen (+403k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax K-1 II and Sony RX10 IV

 K-1 II RX10 IV 
ReleasedFebruary 2018September 2017Same generation
Focus manually Dial precise focusing
Selfie screen Neither has selfie screen

Pentax K-1 II vs Sony RX10 IV Physical Comparison

For anyone who is planning to carry your camera regularly, you're going to have to factor in its weight and dimensions. The Pentax K-1 II has outside 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 RX10 IV has dimensions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") with a weight of 1095 grams (2.41 lbs).

Analyze the Pentax K-1 II vs Sony RX10 IV in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you select during that time. Below is the front view over all size comparison of the K-1 II and the RX10 IV.

Pentax K-1 II vs Sony RX10 IV size comparison

Factoring in dimensions and weight, the portability grade of the K-1 II and RX10 IV is 55 and 52 respectively.

Pentax K-1 II vs Sony RX10 IV top view buttons comparison

Pentax K-1 II vs Sony RX10 IV Sensor Comparison

Sometimes, it's tough to envision the gap in sensor sizing simply by looking through specs. The graphic underneath will give you a clearer sense of the sensor sizes in the K-1 II and RX10 IV.

As you can plainly see, the 2 cameras offer different megapixel count and different sensor sizing. The K-1 II featuring a bigger sensor will make achieving shallow depth of field simpler and the Pentax K-1 II will provide you with greater detail due to its extra 16MP. Higher resolution will also allow you to crop shots a little more aggressively.

Pentax K-1 II vs Sony RX10 IV sensor size comparison

Pentax K-1 II vs Sony RX10 IV Screen and ViewFinder

Pentax K-1 II vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II as a Portrait photography camera
Sony RX10 IV as a Portrait photography camera
86
has manual focus
megapixel count great (36 megapixels)
sensor size is large (Full frame)
supports face detect autofocus
delivers RAW formats
72
has manual focus
flash sync speed is above average (1/2,000s)
decent MP (20 megapixels)
sensor size is decent (1")
includes face detect autofocus
supports RAW formats
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Street Comparison

Street photography with Pentax K-1 II
Street photography with Sony RX10 IV
70
fully articulated screen
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW formats
environment proof
very good high ISO (819,200)
heavier than competition in class (1,010 grams)
64
screen tilts up and down
built in image stabilization (Optical)
sensor size is decent (1")
supports RAW formats
includes touch to focus
weather proof
heavier than average (1,095 grams)
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Sports Comparison

Pentax K-1 II as a Sports photography camera
Sony RX10 IV as a Sports photography camera
77
high shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
megapixel count great (36 megapixels)
sensor size is large (Full frame)
supports tracking focus
environment proof
supports phase detect autofocus
slow continuous shooting (4.4 fps)
terrible battery life (670 shots)
77
amazing zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000s)
max fps high (24.0 frames/s)
built in image stabilization (Optical)
decent MP (20 megapixels)
sensor size is decent (1")
includes tracking focus
weather proof
has phase detect autofocus
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Travel Comparison

Travel photography with Pentax K-1 II
Travel photography with Sony RX10 IV
53
environment proof
megapixel count great (36 megapixels)
terrible battery life (670 shots)
heavier than competition in class (1,010g)
does not have selfie friendly screen
57
weather proof
connects via bluetooth
includes touch to focus
decent MP (20MP)
built-in flash
really wide (24mm)
great reach (600mm)
doesn't have Time Lapse recording
heavier than average (1,095g)
does not posses selfie friendly screen
slow maximum aperture (f2.4)
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Landscape Comparison

Pentax K-1 II Landscape photography features
Sony RX10 IV Landscape photography features
82
has manual focus
swap lenses (Pentax KAF4 mount)
screen size is good (3.2 inches)
has image stabilization (Sensor based 5-axis)
megapixel count great (36 megapixels)
sensor size is large (Full frame)
does not have anti aliasing filter
very good high ISO (819,200)
delivers RAW formats
environment proof
has double storage slots
terrible battery life (670 shots)
63
has manual focus
really wide (24mm)
nice screen size (3 inches)
built in image stabilization (Optical)
decent MP (20 megapixels)
sensor size is decent (1")
supports RAW formats
weather proof
fixed lens (fixed lens mount)
slow maximum aperture (f2.4)
doesn't have Time Lapse recording
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Vlogging Comparison

Pentax K-1 II Vlogging factors
Sony RX10 IV Vlogging factors
32
has image stabilization (Sensor based 5-axis)
supports face detect autofocus
good video quality (1920 x 1080 pixels)
comes with mic port
does not have selfie friendly screen
heavier than competition in class (1,010 grams)
29
really wide (24mm)
touchscreen capability
built in image stabilization (Optical)
includes face detect autofocus
video res high (3840 x 2160 pixels)
has mic socket
slow maximum aperture (f2.4)
does not posses selfie friendly screen
heavier than average (1,095 grams)
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Pentax K-1 II vs Sony RX10 IV Specifications

Detailed spec comparison table for Pentax K-1 II and Sony RX10 IV
 Pentax K-1 Mark IISony Cyber-shot DSC-RX10 IV
General Information
Make Pentax Sony
Model type Pentax K-1 Mark II Sony Cyber-shot DSC-RX10 IV
Class Advanced DSLR Large Sensor Superzoom
Revealed 2018-02-22 2017-09-12
Physical type Mid-size SLR SLR-like (bridge)
Sensor Information
Processor Chip PRIME IV Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor dimensions 35.9 x 24mm 13.2 x 8.8mm
Sensor area 861.6mm² 116.2mm²
Sensor resolution 36MP 20MP
Anti alias 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
Highest enhanced ISO - 25600
Min native ISO 100 125
RAW data
Min enhanced ISO - 64
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 33 315
Cross type focus points 25 -
Lens
Lens mount type Pentax KAF4 fixed lens
Lens zoom range - 24-600mm (25.0x)
Maximum aperture - f/2.4-4.0
Macro focusing distance - 3cm
Total lenses 151 -
Crop factor 1 2.7
Screen
Screen type Fully Articulated Tilting
Screen diagonal 3.2" 3"
Screen resolution 1,037 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.7x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/2000 secs
Max silent shutter speed - 1/32000 secs
Continuous shutter rate 4.4fps 24.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 10.80 m (at Auto ISO)
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, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/200 secs 1/2000 secs
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) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Mic 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 Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010g (2.23 lb) 1095g (2.41 lb)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 670 shots 400 shots
Battery type Battery Pack Battery Pack
Battery ID D-LI90 NP-FW50
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, continuous)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Two Single
Launch pricing $1,737 $1,698