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Pentax K-3 vs Sony RX10

Portability
59
Imaging
65
Features
85
Overall
73
Pentax K-3 front
 
Sony Cyber-shot DSC-RX10 front
Portability
58
Imaging
51
Features
76
Overall
61

Pentax K-3 vs Sony RX10 Key Specs

Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Launched April 2014
  • Newer Model is Pentax K-3 II
Sony RX10
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-200mm (F2.8) lens
  • 813g - 129 x 88 x 102mm
  • Revealed March 2014
  • Later Model is Sony RX10 II
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Pentax K-3 vs Sony RX10 Overview

Following is a comprehensive comparison of the Pentax K-3 versus Sony RX10, one is a Advanced DSLR and the latter is a Large Sensor Superzoom by brands Pentax and Sony. The image resolution of the K-3 (24MP) and the RX10 (20MP) is pretty close but the K-3 (APS-C) and RX10 (1") provide different sensor dimensions.

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The K-3 was announced very close to the RX10 which means that they are of a similar generation. Both of these cameras feature different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony RX10 being a SLR-like (bridge) camera.

Before delving right into a in depth comparison, here is a brief summation of how the K-3 matches up vs the RX10 with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-3 over the Sony RX10

 K-3 RX10 
Screen size3.2"3"Bigger screen (+0.2")

Reasons to pick Sony RX10 over the Pentax K-3

 RX10 K-3 
Screen typeTiltingFixed Tilting screen
Screen resolution1290k1037kClearer screen (+253k dot)

Common features in the Pentax K-3 and Sony RX10

 K-3 RX10 
RevealedApril 2014March 2014Same generation
Manually focus Dial accurate focus
Selfie screen Lack of selfie screen
Touch screen Neither comes with Touch screen

Pentax K-3 vs Sony RX10 Physical Comparison

For those who are aiming to carry around your camera often, you'll have to factor its weight and dimensions. The Pentax K-3 comes with exterior measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) whilst the Sony RX10 has dimensions of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") with a weight of 813 grams (1.79 lbs).

Analyze the Pentax K-3 versus Sony RX10 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that time. Below is a front view sizing comparison of the K-3 compared to the RX10.

Pentax K-3 vs Sony RX10 size comparison

Taking into account size and weight, the portability rating of the K-3 and RX10 is 59 and 58 respectively.

Pentax K-3 vs Sony RX10 top view buttons comparison

Pentax K-3 vs Sony RX10 Sensor Comparison

Oftentimes, it is very hard to imagine the gap in sensor sizes just by researching specifications. The image below will help offer you a clearer sense of the sensor measurements in the K-3 and RX10.

Plainly, each of these cameras come with different resolutions and different sensor sizes. The K-3 using its bigger sensor is going to make shooting bokeh easier and the Pentax K-3 will provide you with greater detail with its extra 4 Megapixels. Higher resolution can also help you crop photographs a good deal more aggressively.

Pentax K-3 vs Sony RX10 sensor size comparison

Pentax K-3 vs Sony RX10 Screen and ViewFinder

Pentax K-3 vs Sony RX10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 Portrait photography advice
Sony RX10 Portrait photography advice
79
manual focus
good MP (24 megapixels)
decent sensor size (APS-C)
has face detect focusing
exports RAW formats
70
focusing manually
good resolution (20 megapixels)
good sensor size (1")
has face detect focus
saves RAW formats
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Street Comparison

Pentax K-3 Street photography details
Sony RX10 Street photography details
69
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
weather proofing
good ISO range (51,200)
no articulating screen
72
has a tilting screen
has image stabilization (Optical)
good sensor size (1")
saves RAW formats
weather proof
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Sports Comparison

Pentax K-3 Sports photography features
Sony RX10 Sports photography features
76
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
good MP (24 megapixels)
decent sensor size (APS-C)
has tracking focus
weather proofing
comes with phase detect AF
not so great battery power (560 per charge)
67
has image stabilization (Optical)
good resolution (20MP)
good sensor size (1")
weather proof
great battery (420 shots)
does not have phase detect auto focus
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Travel Comparison

Pentax K-3 Travel photography factors
Sony RX10 Travel photography factors
60
weather proofing
good MP (24 megapixels)
built-in flash
not so great battery power (560 CIPA)
display is not selfie friendly
58
great battery (420 CIPA)
weather proof
good resolution (20 megapixels)
flash built-in
relatively wide (24mm)
doesn't have Time Lapse mode
display is not selfie friendly
slow max aperture (f2.8)
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Landscape Comparison

Pentax K-3 Landscape photography highlights
Sony RX10 Landscape photography highlights
77
manual focus
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3.2 inches)
has image stabilization (Sensor based)
good MP (24 megapixels)
decent sensor size (APS-C)
no anti-alias filter
good ISO range (51,200)
exports RAW formats
weather proofing
has dual storage slots
not so great battery power (560 CIPA)
63
focusing manually
relatively wide (24mm)
good sized screen (3 inches)
has image stabilization (Optical)
good resolution (20MP)
good sensor size (1")
saves RAW formats
weather proof
great battery (420 per charge)
can't switch lens (fixed lens mount)
slow max aperture (f2.8)
doesn't have Time Lapse mode
Photography Glossary

Vlogging Comparison

Pentax K-3 as a Vlogging camera
Sony RX10 as a Vlogging camera
34
has image stabilization (Sensor based)
has face detect focusing
high res video (1920 x 1080 pxls)
does have microphone jack
display is not selfie friendly
30
relatively wide (24mm)
has image stabilization (Optical)
has face detect focus
video res high (1920 x 1080 pxls)
comes with mic jack
slow max aperture (f2.8)
display is not selfie friendly
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Pentax K-3 vs Sony RX10 Specifications

Detailed spec comparison table for Pentax K-3 and Sony RX10
 Pentax K-3Sony Cyber-shot DSC-RX10
General Information
Make Pentax Sony
Model type Pentax K-3 Sony Cyber-shot DSC-RX10
Type Advanced DSLR Large Sensor Superzoom
Launched 2014-04-10 2014-03-20
Body design Mid-size SLR SLR-like (bridge)
Sensor Information
Processor Prime III Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.5 x 15.6mm 13.2 x 8.8mm
Sensor surface area 366.6mm² 116.2mm²
Sensor resolution 24MP 20MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 6016 x 4000 5472 x 3648
Highest native ISO 51200 12800
Highest boosted ISO - 25600
Minimum native ISO 100 125
RAW images
Minimum boosted ISO - 80
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 27 25
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-200mm (8.3x)
Largest aperture - f/2.8
Available lenses 151 -
Crop factor 1.5 2.7
Screen
Range of display Fixed Type Tilting
Display sizing 3.2 inches 3 inches
Display resolution 1,037k dot 1,290k dot
Selfie friendly
Liveview
Touch operation
Display technology TFT LCD monitor WhiteMagic
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,440k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.64x 0.7x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/3200 secs
Continuous shooting speed 8.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) 10.20 m
Flash settings Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual Auto, fill-flash, slow sync, rear sync, off
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/180 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 pounds) 813 grams (1.79 pounds)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 129 x 88 x 102mm (5.1" x 3.5" x 4.0")
DXO scores
DXO All around rating 80 69
DXO Color Depth rating 23.7 22.9
DXO Dynamic range rating 13.4 12.6
DXO Low light rating 1216 474
Other
Battery life 560 photographs 420 photographs
Form of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-FW50
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, continuous)
Time lapse feature
Storage media Dual SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Two Single
Price at launch $639 $698