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Pentax K-r vs Sony RX100 IV

Portability
67
Imaging
53
Features
52
Overall
52
Pentax K-r front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Pentax K-r vs Sony RX100 IV Key Specs

Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Launched March 2011
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Expand to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Released June 2015
  • Earlier Model is Sony RX100 III
  • Later Model is Sony RX100 V
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Pentax K-r vs Sony RX100 IV Overview

Here, we are contrasting the Pentax K-r and Sony RX100 IV, one being a Entry-Level DSLR and the other is a Large Sensor Compact by rivals Pentax and Sony. There exists a significant gap among the image resolutions of the K-r (12MP) and RX100 IV (20MP) and the K-r (APS-C) and RX100 IV (1") provide different sensor size.

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The K-r was brought out 5 years prior to the RX100 IV and that is a fairly sizable gap as far as camera technology is concerned. The two cameras feature different body design with the Pentax K-r being a Compact SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before delving straight to a full comparison, here is a quick highlight of how the K-r matches up vs the RX100 IV for portability, imaging, features and an overall grade.

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

 K-r RX100 IV 

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

 RX100 IV K-r 
ReleasedJune 2015March 2011More recent by 51 months
Display typeTiltingFixed Tilting display
Display resolution1229k921kClearer display (+308k dot)
Selfie screen Take selfies

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

 K-r RX100 IV 
Manual focus More exact focusing
Display size3"3"Same display size
Touch display Lack of Touch display

Pentax K-r vs Sony RX100 IV Physical Comparison

In case you're aiming to lug around your camera, you will need to factor its weight and dimensions. The Pentax K-r has got outside measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") accompanied by a weight of 598 grams (1.32 lbs) whilst the Sony RX100 IV has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 298 grams (0.66 lbs).

Take a look at the Pentax K-r and Sony RX100 IV in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing at the time. The following is a front view dimension comparison of the K-r against the RX100 IV.

Pentax K-r vs Sony RX100 IV size comparison

Considering dimensions and weight, the portability grade of the K-r and RX100 IV is 67 and 89 respectively.

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

Pentax K-r vs Sony RX100 IV Sensor Comparison

Quite often, it can be tough to picture the gap in sensor measurements only by researching specifications. The photograph below should offer you a stronger sense of the sensor measurements in the K-r and RX100 IV.

Plainly, both the cameras come with different resolutions and different sensor measurements. The K-r due to its larger sensor is going to make getting shallow depth of field simpler and the Sony RX100 IV will provide you with greater detail having its extra 8MP. Greater resolution will also make it easier to crop pics a good deal more aggressively. The older K-r will be disadvantaged with regard to sensor tech.

Pentax K-r vs Sony RX100 IV sensor size comparison

Pentax K-r vs Sony RX100 IV Screen and ViewFinder

Pentax K-r vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-r Portrait photography information
Sony RX100 IV Portrait photography information
63
focusing manually
nice sensor size (APS-C)
comes with face detection autofocus
delivers RAW formats
resolution not great (12MP)
65
has manual focus
flash sync speed is above average (1/2,000 seconds)
good MP (20MP)
sensor size is decent (1")
provides face detection focusing
delivers RAW files
can't use external flash
Photography Glossary

Street Comparison

Pentax K-r as a Street photography camera
Sony RX100 IV as a Street photography camera
67
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
screen is fixed
85
has a tilting screen
built in image stabilization (Optical)
sensor size is decent (1")
delivers RAW files
lighter than competition (298 grams)
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Sports Comparison

Pentax K-r Sports photography details
Sony RX100 IV Sports photography details
55
maximum shutter speed is high (1/6,000s)
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect autofocus
continuous shooting slow (6.0 frames/s)
resolution not great (12MP)
bad battery life (470 CIPA)
68
quiet shooting (1/32,000 seconds)
high max frames per second (16.0 frames/s)
built in image stabilization (Optical)
good MP (20 megapixels)
sensor size is decent (1")
provides tracking autofocus
has no phase detect AF
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Travel Comparison

Pentax K-r as a Travel photography camera
Sony RX100 IV as a Travel photography camera
47
flash built-in
bad battery life (470 per charge)
resolution not great (12MP)
does not contain selfie friendly display
86
lighter than competition (298 grams)
good MP (20 megapixels)
flash built-in
selfie friendly screen
quite wide (24mm)
very good max aperture (f1.8)
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Landscape Comparison

Pentax K-r Landscape photography info
Sony RX100 IV Landscape photography info
65
focusing manually
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
resolution not great (12MP)
bad battery life (470 CIPA)
74
has manual focus
quite wide (24mm)
very good max aperture (f1.8)
screen size is good (3")
built in image stabilization (Optical)
good MP (20 megapixels)
sensor size is decent (1")
delivers RAW files
lens is fixed (fixed lens mount)
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Vlogging Comparison

Pentax K-r Vlogging information
Sony RX100 IV Vlogging information
26
has image stabilization (Sensor based)
comes with face detection autofocus
does not contain selfie friendly display
video res low (1280 x 720 pixels)
missing external microphone port
81
quite wide (24mm)
very good max aperture (f1.8)
selfie friendly screen
built in image stabilization (Optical)
provides face detection focusing
high res video (3840 x 2160 pxls)
lighter than competition (298 grams)
doesn't have external microphone port
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Pentax K-r vs Sony RX100 IV Specifications

Detailed spec comparison table for Pentax K-r and Sony RX100 IV
 Pentax K-rSony Cyber-shot DSC-RX100 IV
General Information
Brand Pentax Sony
Model Pentax K-r Sony Cyber-shot DSC-RX100 IV
Class Entry-Level DSLR Large Sensor Compact
Launched 2011-03-11 2015-06-10
Body design Compact SLR Large Sensor Compact
Sensor Information
Chip Prime II Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor measurements 23.6 x 15.8mm 13.2 x 8.8mm
Sensor area 372.9mm² 116.2mm²
Sensor resolution 12MP 20MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4288 x 2848 5472 x 3648
Maximum native ISO 12800 12800
Maximum enhanced ISO 25600 25600
Lowest native ISO 200 125
RAW data
Lowest enhanced ISO 100 80
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 11 25
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 24-70mm (2.9x)
Max aperture - f/1.8-2.8
Macro focus range - 5cm
Amount of lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Display type Fixed Type Tilting
Display sizing 3 inch 3 inch
Display resolution 921k dot 1,229k dot
Selfie friendly
Liveview
Touch operation
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.57x 0.59x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/6000s 1/2000s
Fastest quiet shutter speed - 1/32000s
Continuous shutter speed 6.0 frames per sec 16.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) -
Flash modes Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync -
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync 1/180s 1/2000s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (25 fps), 640 x 480 (25 fps) 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)
Maximum video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, AVCHD, XAVC S
Microphone jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 598 gr (1.32 lb) 298 gr (0.66 lb)
Physical dimensions 125 x 97 x 68mm (4.9" x 3.8" x 2.7") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall score 72 70
DXO Color Depth score 22.9 22.9
DXO Dynamic range score 12.4 12.6
DXO Low light score 755 562
Other
Battery life 470 pictures 280 pictures
Form of battery Battery Pack Battery Pack
Battery model D-LI109,4 x AA NP-BX1
Self timer Yes (2 or 12 sec) Yes
Time lapse shooting With downloadable app
Storage media SD/SDHC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Retail price $1,100 $898