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Pentax K-3 vs Sony TX100V

Portability
59
Imaging
64
Features
85
Overall
72
Pentax K-3 front
 
Sony Cyber-shot DSC-TX100V front
Portability
95
Imaging
38
Features
40
Overall
38

Pentax K-3 vs Sony TX100V Key Specs

Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Revealed April 2014
  • New Model is Pentax K-3 II
Sony TX100V
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 147g - 97 x 59 x 18mm
  • Revealed January 2011
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Pentax K-3 vs Sony TX100V Overview

Its time to examine more closely at the Pentax K-3 versus Sony TX100V, former being a Advanced DSLR while the other is a Ultracompact by competitors Pentax and Sony. There exists a substantial gap between the resolutions of the K-3 (24MP) and TX100V (16MP) and the K-3 (APS-C) and TX100V (1/2.3") use totally different sensor sizes.

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The K-3 was revealed 3 years later than the TX100V and that is quite a big difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax K-3 being a Mid-size SLR camera and the Sony TX100V being a Ultracompact camera.

Before going in to a more detailed comparison, below is a quick summary of how the K-3 matches up against the TX100V when considering portability, imaging, features and an overall grade.

Photography Glossary

        

Reasons to pick Pentax K-3 over the Sony TX100V

 K-3 TX100V 
RevealedApril 2014January 2011More recent by 40 months
Manual focus Dial exact focus

Reasons to pick Sony TX100V over the Pentax K-3

 TX100V K-3 
Display dimension3.5"3.2"Larger display (+0.3")
Display resolution1229k1037kCrisper display (+192k dot)
Touch display Easily navigate

Common features in the Pentax K-3 and Sony TX100V

 K-3 TX100V 
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen

Pentax K-3 vs Sony TX100V Physical Comparison

If you are looking to lug around your camera regularly, you will have to factor in its weight and measurements. The Pentax K-3 has got outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) and the Sony TX100V has proportions of 97mm x 59mm x 18mm (3.8" x 2.3" x 0.7") with a weight of 147 grams (0.32 lbs).

Check the Pentax K-3 versus Sony TX100V in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary depending on the lens you have attached at that moment. Underneath is the front view size comparison of the K-3 against the TX100V.

Pentax K-3 vs Sony TX100V size comparison

Using dimensions and weight, the portability score of the K-3 and TX100V is 59 and 95 respectively.

Pentax K-3 vs Sony TX100V top view buttons comparison

Pentax K-3 vs Sony TX100V Sensor Comparison

Normally, it is hard to envision the gap between sensor measurements simply by reviewing specifications. The graphic here should give you a more clear sense of the sensor sizes in the K-3 and TX100V.

To sum up, both cameras posses different megapixels and different sensor measurements. The K-3 with its larger sensor will make achieving shallower depth of field simpler and the Pentax K-3 will offer extra detail because of its extra 8 Megapixels. Greater resolution will let you crop photos somewhat more aggressively. The more modern K-3 is going to have an edge when it comes to sensor innovation.

Pentax K-3 vs Sony TX100V sensor size comparison

Pentax K-3 vs Sony TX100V Screen and ViewFinder

Pentax K-3 vs Sony TX100V Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-3
Portrait photography with Sony TX100V
78
focusing manually
MP count good (24MP)
good sensor size (APS-C)
features face detection autofocus
delivers RAW formats
29
sensor resolution is decent (16 megapixels)
focusing manually not possible
no manual exposure
no external flash support
tiny sensor size (1/2.3")
lack of RAW format
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Street Comparison

Street photography with Pentax K-3
Street photography with Sony TX100V
69
has image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
weather proofing
above average ISO range (51,200)
fixed screen
60
built in image stabilization (Optical)
comes with touch focus
screen does not articulate
tiny sensor size (1/2.3")
lack of RAW format
heavier than average (147 grams)
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Sports Comparison

Sports photography with Pentax K-3
Sports photography with Sony TX100V
75
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
MP count good (24 megapixels)
good sensor size (APS-C)
features tracking autofocus
weather proofing
supports phase detect autofocus
terrible battery life (560 per charge)
39
built in image stabilization (Optical)
sensor resolution is decent (16 megapixels)
lack of shutter priority mode
tiny sensor size (1/2.3")
lack of phase detect autofocus
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Travel Comparison

Travel photography with Pentax K-3
Travel photography with Sony TX100V
60
weather proofing
MP count good (24MP)
built-in flash
terrible battery life (560 shots)
display is not selfie friendly
65
comes with touch focus
sensor resolution is decent (16MP)
flash built-in
reasonably wide (25mm)
lack of Time Lapse mode
heavier than average (147 grams)
screen is not selfie friendly
sluggish maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax K-3
Landscape photography with Sony TX100V
77
focusing manually
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3.2")
has image stabilization (Sensor based)
MP count good (24 megapixels)
good sensor size (APS-C)
no anti aliasing filter
above average ISO range (51,200)
delivers RAW formats
weather proofing
two card slots
terrible battery life (560 CIPA)
42
reasonably wide (25mm)
lovely big screen (3.5 inch)
built in image stabilization (Optical)
sensor resolution is decent (16MP)
focusing manually not possible
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
no manual exposure
tiny sensor size (1/2.3")
lack of RAW format
lack of Time Lapse mode
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Vlogging Comparison

Vlogging with Pentax K-3
Vlogging with Sony TX100V
34
has image stabilization (Sensor based)
features face detection autofocus
great video quality (1920 x 1080 resolution)
comes with external mic socket
display is not selfie friendly
32
reasonably wide (25mm)
has touchscreen
built in image stabilization (Optical)
high res video (1920 x 1080 resolution)
sluggish maximum aperture (f3.5)
screen is not selfie friendly
lack of external mic jack
heavier than average (147 grams)
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Pentax K-3 vs Sony TX100V Specifications

Detailed spec comparison table for Pentax K-3 and Sony TX100V
 Pentax K-3Sony Cyber-shot DSC-TX100V
General Information
Company Pentax Sony
Model type Pentax K-3 Sony Cyber-shot DSC-TX100V
Category Advanced DSLR Ultracompact
Revealed 2014-04-10 2011-01-06
Body design Mid-size SLR Ultracompact
Sensor Information
Chip Prime III BIONZ
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.6mm 6.17 x 4.55mm
Sensor area 366.6mm² 28.1mm²
Sensor resolution 24 megapixels 16 megapixels
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Full resolution 6016 x 4000 4608 x 3456
Max native ISO 51200 3200
Minimum native ISO 100 125
RAW photos
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 27 9
Cross type focus points 25 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 25-100mm (4.0x)
Maximal aperture - f/3.5-4.6
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3.2 inches 3.5 inches
Resolution of screen 1,037k dot 1,229k dot
Selfie friendly
Liveview
Touch screen
Screen technology TFT LCD monitor XtraFine OLED display with TruBlack technology
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30s 2s
Maximum shutter speed 1/8000s 1/1600s
Continuous shooting speed 8.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) 4.00 m
Flash options Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual Auto, On, Off, Slow Sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/180s -
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, 30p, 25p, 24p) 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, AVCHD
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 lb) 147 grams (0.32 lb)
Dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 97 x 59 x 18mm (3.8" x 2.3" x 0.7")
DXO scores
DXO All around rating 80 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 13.4 not tested
DXO Low light rating 1216 not tested
Other
Battery life 560 photographs -
Type of battery Battery Pack -
Battery ID D-LI90 NP-BN1
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots 2 1
Price at launch $639 $380