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Pentax K-5 IIs vs Sony RX100 IV

Portability
60
Imaging
58
Features
83
Overall
68
Pentax K-5 IIs front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Pentax K-5 IIs vs Sony RX100 IV Key Specs

Pentax K-5 IIs
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Increase to 51200)
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Revealed June 2013
  • Older Model is Pentax K-5
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
  • Announced June 2015
  • Superseded the Sony RX100 III
  • Replacement is Sony RX100 V
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Pentax K-5 IIs vs Sony RX100 IV Overview

Let's take a deeper look at the Pentax K-5 IIs versus Sony RX100 IV, one being a Advanced DSLR and the other is a Large Sensor Compact by brands Pentax and Sony. The sensor resolution of the K-5 IIs (16MP) and the RX100 IV (20MP) is very close but the K-5 IIs (APS-C) and RX100 IV (1") posses totally different sensor measurements.

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The K-5 IIs was announced 24 months before the RX100 IV making them a generation apart from one another. Both cameras feature different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before going straight to a detailed comparison, here is a simple view of how the K-5 IIs grades versus the RX100 IV with regards to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-5 IIs over the Sony RX100 IV

 K-5 IIs RX100 IV 

Reasons to pick Sony RX100 IV over the Pentax K-5 IIs

 RX100 IV K-5 IIs 
AnnouncedJune 2015June 2013More recent by 24 months
Display typeTiltingFixed Tilting display
Display resolution1229k921kSharper display (+308k dot)
Selfie screen Take selfies

Common features in the Pentax K-5 IIs and Sony RX100 IV

 K-5 IIs RX100 IV 
Manual focus Dial accurate focus
Display size3"3"Same display measurements
Touch friendly display Neither features Touch friendly display

Pentax K-5 IIs vs Sony RX100 IV Physical Comparison

When you are intending to lug around your camera regularly, you have to consider its weight and volume. The Pentax K-5 IIs enjoys exterior dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs) whilst the Sony RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 298 grams (0.66 lbs).

Check out the Pentax K-5 IIs versus Sony RX100 IV in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using during that time. Following is a front view size comparison of the K-5 IIs versus the RX100 IV.

Pentax K-5 IIs vs Sony RX100 IV size comparison

Taking into consideration dimensions and weight, the portability score of the K-5 IIs and RX100 IV is 60 and 89 respectively.

Pentax K-5 IIs vs Sony RX100 IV top view buttons comparison

Pentax K-5 IIs vs Sony RX100 IV Sensor Comparison

Quite often, its difficult to visualise the contrast in sensor measurements simply by viewing specs. The graphic underneath will give you a stronger sense of the sensor dimensions in the K-5 IIs and RX100 IV.

As you can plainly see, both of those cameras come with different megapixels and different sensor measurements. The K-5 IIs using its larger sensor will make shooting shallow depth of field easier and the Sony RX100 IV will provide you with more detail with its extra 4 Megapixels. Greater resolution will also enable you to crop photos a good deal more aggressively. The older K-5 IIs will be disadvantaged in sensor tech.

Pentax K-5 IIs vs Sony RX100 IV sensor size comparison

Pentax K-5 IIs vs Sony RX100 IV Screen and ViewFinder

Pentax K-5 IIs vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 IIs as a Portrait photography camera
Sony RX100 IV as a Portrait photography camera
74
focusing manually
good megapixels (16 megapixels)
decent sensor size (APS-C)
provides face detection focus
supports RAW formats
65
has manual focus
flash sync is higher than normal (1/2,000s)
resolution is good (20MP)
decent sensor size (1")
includes face detection focus
supports RAW formats
can't use external flash
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Street Comparison

Pentax K-5 IIs Street photography details
Sony RX100 IV Street photography details
67
image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
environment sealing
fixed screen
85
screen tilts
image stabilization (Optical)
decent sensor size (1")
supports RAW formats
lighter than others (298 grams)
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Sports Comparison

Pentax K-5 IIs Sports photography info
Sony RX100 IV Sports photography info
79
high shutter speed (1/8,000s)
image stabilization (Sensor based)
good megapixels (16MP)
decent sensor size (APS-C)
provides tracking autofocus
environment sealing
has phase detect auto focus
68
quiet mode (1/32,000s)
high fps (16.0 frames per second)
image stabilization (Optical)
resolution is good (20MP)
decent sensor size (1")
includes tracking autofocus
doesn't have phase detect auto focus
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Travel Comparison

Pentax K-5 IIs Travel photography details
Sony RX100 IV Travel photography details
65
environment sealing
good megapixels (16 megapixels)
built-in flash
display is not selfie friendly
86
lighter than others (298 grams)
resolution is good (20MP)
built-in flash
selfie friendly screen
quite wide (24mm)
great maximum aperture (f1.8)
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Landscape Comparison

Pentax K-5 IIs Landscape photography details
Sony RX100 IV Landscape photography details
79
focusing manually
switch lenses (Pentax KAF2 mount)
good sized screen (3 inch)
image stabilization (Sensor based)
good megapixels (16MP)
decent sensor size (APS-C)
doesnt have anti aliasing filter
supports RAW formats
environment sealing
74
has manual focus
quite wide (24mm)
great maximum aperture (f1.8)
good sized screen (3")
image stabilization (Optical)
resolution is good (20MP)
decent sensor size (1")
supports RAW formats
fixed lens (fixed lens mount)
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Vlogging Comparison

Pentax K-5 IIs Vlogging details
Sony RX100 IV Vlogging details
33
image stabilization (Sensor based)
provides face detection focus
good video quality (1920 x 1080 pixels)
has external mic jack
display is not selfie friendly
81
quite wide (24mm)
great maximum aperture (f1.8)
selfie friendly screen
image stabilization (Optical)
includes face detection focus
video resolution high (3840 x 2160 pixels)
lighter than others (298g)
does not have external mic support
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Pentax K-5 IIs vs Sony RX100 IV Specifications

Detailed spec comparison table for Pentax K-5 IIs and Sony RX100 IV
 Pentax K-5 IIsSony Cyber-shot DSC-RX100 IV
General Information
Manufacturer Pentax Sony
Model type Pentax K-5 IIs Sony Cyber-shot DSC-RX100 IV
Type Advanced DSLR Large Sensor Compact
Revealed 2013-06-04 2015-06-10
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Chip Prime II Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.7 x 15.7mm 13.2 x 8.8mm
Sensor area 372.1mm² 116.2mm²
Sensor resolution 16 megapixel 20 megapixel
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 4928 x 3264 5472 x 3648
Highest native ISO 12800 12800
Highest enhanced ISO 51200 25600
Min native ISO 100 125
RAW files
Min enhanced ISO 80 80
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 25
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-70mm (2.9x)
Maximum aperture - f/1.8-2.8
Macro focusing distance - 5cm
Amount of lenses 151 -
Crop factor 1.5 2.7
Screen
Display type Fixed Type Tilting
Display sizing 3 inch 3 inch
Display resolution 921k dots 1,229k dots
Selfie friendly
Liveview
Touch friendly
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.61x 0.59x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/2000 secs
Max quiet shutter speed - 1/32000 secs
Continuous shutter rate 7.0 frames/s 16.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) -
Flash settings Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless -
Hot shoe
AEB
WB bracketing
Max flash synchronize 1/180 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 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 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)
Highest video resolution 1920x1080 3840x2160
Video file format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 760g (1.68 pounds) 298g (0.66 pounds)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall rating 82 70
DXO Color Depth rating 23.9 22.9
DXO Dynamic range rating 14.1 12.6
DXO Low light rating 1208 562
Other
Battery life 980 pictures 280 pictures
Style of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-BX1
Self timer Yes ( 2 or 12 seconds) Yes
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Cost at release $749 $898