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Pentax K-1 vs Sony RX100 IV

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Pentax K-1 vs Sony RX100 IV Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Released February 2016
  • Renewed by Pentax K-1 II
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Boost to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Announced June 2015
  • Superseded the Sony RX100 III
  • Replacement is Sony RX100 V
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Pentax K-1 vs Sony RX100 IV Overview

Below is a extended overview of the Pentax K-1 vs Sony RX100 IV, one being a Advanced DSLR and the other is a Large Sensor Compact by companies Pentax and Sony. There exists a sizeable gap among the resolutions of the K-1 (36MP) and RX100 IV (20MP) and the K-1 (Full frame) and RX100 IV (1") enjoy totally different sensor measurements.

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The K-1 was brought out 9 months later than the RX100 IV which means that they are both of a similar generation. Each of the cameras come with different body type with the Pentax K-1 being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before delving through a detailed comparison, below is a concise summation of how the K-1 scores against the RX100 IV when it comes to portability, imaging, features and an overall grade.

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

 K-1 RX100 IV 
AnnouncedFebruary 2016June 2015More recent by 9 months
Display typeFully ArticulatedTiltingFully Articulating display
Display dimension3.2"3"Larger display (+0.2")

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

 RX100 IV K-1 
Display resolution1229k1037kSharper display (+192k dot)
Selfie screen Easy selfies

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

 K-1 RX100 IV 
Manually focus Very precise focusing
Touch friendly display Lack of Touch friendly display

Pentax K-1 vs Sony RX100 IV Physical Comparison

In case you're going to lug around your camera frequently, you will want to factor its weight and proportions. The Pentax K-1 offers outside measurements 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 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 298 grams (0.66 lbs).

Take a look at the Pentax K-1 vs Sony RX100 IV in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at the time. Following is the front view sizing comparison of the K-1 against the RX100 IV.

Pentax K-1 vs Sony RX100 IV size comparison

Factoring in dimensions and weight, the portability grade of the K-1 and RX100 IV is 55 and 89 respectively.

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

Pentax K-1 vs Sony RX100 IV Sensor Comparison

Sometimes, it can be hard to see the contrast in sensor measurements just by going through specs. The photograph below might provide you a clearer sense of the sensor sizing in the K-1 and RX100 IV.

As you can plainly see, both of these cameras have got different resolutions and different sensor measurements. The K-1 featuring a larger sensor will make getting shallower DOF easier and the Pentax K-1 will provide more detail having its extra 16 Megapixels. Greater resolution can also enable you to crop images much more aggressively. The newer K-1 will have an advantage when it comes to sensor innovation.

Pentax K-1 vs Sony RX100 IV sensor size comparison

Pentax K-1 vs Sony RX100 IV Screen and ViewFinder

Pentax K-1 vs Sony RX100 IV Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-1 as a Portrait photography camera
Sony RX100 IV as a Portrait photography camera
85
has manual focus
megapixel count excellent (36MP)
large sensor size (Full frame)
offers face detect focusing
supports RAW formats
65
you can focus manually
flash sync is higher than normal (1/2,000 seconds)
good resolution (20 megapixels)
decent sensor size (1")
includes face detect focus
saves RAW formats
no external flash support
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Street Comparison

Pentax K-1 Street photography features
Sony RX100 IV Street photography features
70
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW formats
weather proof
above average ISO range (204,800)
more heavy than average in class (1,010 grams)
85
screen tilts
image stabilization (Optical)
decent sensor size (1")
saves RAW formats
lighter than average (298 grams)
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Sports Comparison

Pentax K-1 Sports photography factors
Sony RX100 IV Sports photography factors
76
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
megapixel count excellent (36 megapixels)
large sensor size (Full frame)
offers tracking focus
weather proof
supports phase detect AF
max frames per second very slow (4.4 frames/s)
not so great battery pack (760 CIPA)
68
quiet shutter (1/32,000s)
fast shooting (16.0 frames/s)
image stabilization (Optical)
good resolution (20MP)
decent sensor size (1")
includes tracking focus
no phase detect auto focus
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Travel Comparison

Pentax K-1 Travel photography factors
Sony RX100 IV Travel photography factors
53
weather proof
megapixel count excellent (36 megapixels)
not so great battery pack (760 CIPA)
more heavy than average in class (1,010 grams)
does not have a selfie friendly screen
86
lighter than average (298 grams)
good resolution (20MP)
has built in flash
screen is selfie friendly
decently wide (24mm)
very good max aperture (f1.8)
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Landscape Comparison

Landscape photography with Pentax K-1
Landscape photography with Sony RX100 IV
81
has manual focus
change lenses (Pentax KAF2 mount)
screen is a decent size (3.2 inch)
has image stabilization (Sensor based 5-axis)
megapixel count excellent (36MP)
large sensor size (Full frame)
does not have anti aliasing filter
above average ISO range (204,800)
supports RAW formats
weather proof
two card slots
not so great battery pack (760 shots)
74
you can focus manually
decently wide (24mm)
very good max aperture (f1.8)
nice screen size (3 inches)
image stabilization (Optical)
good resolution (20MP)
decent sensor size (1")
saves RAW formats
lens is fixed (fixed lens mount)
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Vlogging Comparison

Pentax K-1 Vlogging factors
Sony RX100 IV Vlogging factors
31
has image stabilization (Sensor based 5-axis)
offers face detect focusing
video resolution high (1920 x 1080 resolution)
comes with microphone socket
does not have a selfie friendly screen
more heavy than average in class (1,010 grams)
81
decently wide (24mm)
very good max aperture (f1.8)
screen is selfie friendly
image stabilization (Optical)
includes face detect focus
great video quality (3840 x 2160 pxls)
lighter than average (298 grams)
no microphone port
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Pentax K-1 vs Sony RX100 IV Specifications

Detailed spec comparison table for Pentax K-1 and Sony RX100 IV
 Pentax K-1Sony Cyber-shot DSC-RX100 IV
General Information
Brand Pentax Sony
Model type Pentax K-1 Sony Cyber-shot DSC-RX100 IV
Class Advanced DSLR Large Sensor Compact
Released 2016-02-17 2015-06-10
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Processor Chip - 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 36 megapixel 20 megapixel
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 7360 x 4912 5472 x 3648
Highest native ISO 204800 12800
Highest boosted ISO - 25600
Min native ISO 100 125
RAW pictures
Min boosted ISO - 80
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 33 25
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-70mm (2.9x)
Highest aperture - f/1.8-2.8
Macro focusing distance - 5cm
Total lenses 151 -
Focal length multiplier 1 2.7
Screen
Range of display Fully Articulated Tilting
Display diagonal 3.2 inches 3 inches
Display resolution 1,037 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.59x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/2000s
Maximum quiet shutter speed - 1/32000s
Continuous shooting speed 4.4 frames per sec 16.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash -
Flash settings 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
AE bracketing
White balance bracketing
Maximum flash sync 1/200s 1/2000s
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), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010g (2.23 pounds) 298g (0.66 pounds)
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 All around rating 96 70
DXO Color Depth rating 25.4 22.9
DXO Dynamic range rating 14.6 12.6
DXO Low light rating 3280 562
Other
Battery life 760 photos 280 photos
Type of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes
Time lapse shooting With downloadable app
Type of storage Dual SD/SDHC/SDXC (UHS-I) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 2 1
Price at launch $1,499 $898