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Pentax K-3 III vs Samsung GX-10

Portability
58
Imaging
71
Features
86
Overall
77
Pentax K-3 Mark III front
 
Samsung GX-10 front
Portability
59
Imaging
48
Features
43
Overall
46

Pentax K-3 III vs Samsung GX-10 Key Specs

Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Revealed March 2021
Samsung GX-10
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 793g - 142 x 101 x 70mm
  • Announced September 2006
  • New Model is Samsung GX-20
Photography Glossary

Pentax K-3 III vs Samsung GX-10 Overview

Let's take a deeper look at the Pentax K-3 III and Samsung GX-10, both Advanced DSLR digital cameras by brands Pentax and Samsung. There is a crucial difference between the sensor resolutions of the K-3 III (26MP) and GX-10 (10MP) but both cameras offer the same sensor dimensions (APS-C).

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The K-3 III was launched 14 years after the GX-10 which is quite a serious gap as far as tech is concerned. Each of these cameras have the same body design (Mid-size SLR).

Before getting into a step-by-step comparison, here is a concise summary of how the K-3 III scores versus the GX-10 in regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-3 III over the Samsung GX-10

 K-3 III GX-10 
AnnouncedMarch 2021September 2006More modern by 177 months
Screen dimensions3.2"2.5"Bigger screen (+0.7")
Screen resolution1620k210kSharper screen (+1410k dot)
Touch friendly screen Quickly navigate

Reasons to pick Samsung GX-10 over the Pentax K-3 III

 GX-10 K-3 III 

Common features in the Pentax K-3 III and Samsung GX-10

 K-3 III GX-10 
Focus manually More precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Missing selfie screen

Pentax K-3 III vs Samsung GX-10 Physical Comparison

For those who are intending to carry around your camera regularly, you are going to need to think about its weight and volume. The Pentax K-3 III offers outer dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") with a weight of 820 grams (1.81 lbs) while the Samsung GX-10 has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 793 grams (1.75 lbs).

Compare the Pentax K-3 III and Samsung GX-10 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at that time. The following is a front view size comparison of the K-3 III versus the GX-10.

Pentax K-3 III vs Samsung GX-10 size comparison

Using size and weight, the portability score of the K-3 III and GX-10 is 58 and 59 respectively.

Pentax K-3 III vs Samsung GX-10 top view buttons comparison

Pentax K-3 III vs Samsung GX-10 Sensor Comparison

Generally, its tough to imagine the difference between sensor sizes merely by reviewing a spec sheet. The picture here will help offer you a stronger sense of the sensor sizes in the K-3 III and GX-10.

As you can see, the two cameras provide the same sensor dimensions albeit different resolution. You should expect the Pentax K-3 III to offer you more detail utilizing its extra 16MP. Higher resolution can also allow you to crop pictures more aggressively. The more modern K-3 III provides an advantage when it comes to sensor tech.

Pentax K-3 III vs Samsung GX-10 sensor size comparison

Pentax K-3 III vs Samsung GX-10 Screen and ViewFinder

Pentax K-3 III vs Samsung GX-10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 III as a Portrait photography camera
Samsung GX-10 as a Portrait photography camera
82
manual focus
amazing sensor resolution (26 megapixels)
decent sensor size (APS-C)
provides face detect focus
exports RAW formats
52
manual focus
sensor size is nice (APS-C)
saves RAW files
no liveview
low resolution (10MP)
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Street Comparison

Street photography with Pentax K-3 III
Street photography with Samsung GX-10
70
built in image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
has focus by touch
environment proofing
very good high ISO (1,600,000)
screen is fixed
64
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
weather proof
fixed screen
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Sports Comparison

Pentax K-3 III as a Sports photography camera
Samsung GX-10 as a Sports photography camera
79
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
amazing sensor resolution (26 megapixels)
decent sensor size (APS-C)
provides tracking focus
environment proofing
has phase detect auto focus
low battery power (800 per charge)
52
image stabilization (Sensor based)
sensor size is nice (APS-C)
weather proof
has phase detect autofocus
no liveview
max fps very slow (3.0 fps)
low resolution (10MP)
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Travel Comparison

Pentax K-3 III Travel photography advice
Samsung GX-10 Travel photography advice
64
environment proofing
has bluetooth
has focus by touch
amazing sensor resolution (26MP)
low battery power (800 shots)
screen is not selfie friendly
49
weather proof
flash built-in
missing Time Lapse recording
low resolution (10MP)
display isn't selfie friendly
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Landscape Comparison

Pentax K-3 III Landscape photography info
Samsung GX-10 Landscape photography info
80
manual focus
swap lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inch)
built in image stabilization (Sensor based)
amazing sensor resolution (26 megapixels)
decent sensor size (APS-C)
does not have anti-alias filter
very good high ISO (1,600,000)
exports RAW formats
environment proofing
has double storage slots
low battery power (800 CIPA)
55
manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
weather proof
tiny screen (2.5 inches)
no liveview
low resolution (10 megapixels)
missing Time Lapse recording
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Vlogging Comparison

Pentax K-3 III Vlogging info
Samsung GX-10 Vlogging info
35
touchscreen capability
built in image stabilization (Sensor based)
provides face detect focus
video res high (3840 x 2160 pixels)
has mic port
screen is not selfie friendly
9
lack of video recording
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Pentax K-3 III vs Samsung GX-10 Specifications

Detailed spec comparison table for Pentax K-3 III and Samsung GX-10
 Pentax K-3 Mark IIISamsung GX-10
General Information
Make Pentax Samsung
Model Pentax K-3 Mark III Samsung GX-10
Class Advanced DSLR Advanced DSLR
Revealed 2021-03-31 2006-09-21
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 23 x 15.5mm 23.5 x 15.7mm
Sensor surface area 356.5mm² 369.0mm²
Sensor resolution 26 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 6192 x 4128 3872 x 2592
Maximum native ISO 1600000 1600
Minimum native ISO 100 100
RAW images
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 101 11
Cross focus points 25 -
Lens
Lens mount Pentax KAF2 Pentax KAF2
Available lenses 156 151
Crop factor 1.6 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3.2 inch 2.5 inch
Display resolution 1,620 thousand dots 210 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 95%
Viewfinder magnification 0.7x 0.64x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/4000 secs
Continuous shooting rate 12.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash -
Flash modes Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync Auto, On, Off, Red-eye reduction
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/200 secs 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video data format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 820g (1.81 pounds) 793g (1.75 pounds)
Physical dimensions 135 x 104 x 74mm (5.3" x 4.1" x 2.9") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 800 pictures -
Type of battery Battery Pack -
Battery model D-LI90 -
Self timer Yes Yes (2 or 12 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1) SD/MMC/SDHC card
Card slots 2 One
Pricing at launch $1,999 $850