Pentax K-3 III vs Samsung GX-10
58 Imaging
70 Features
86 Overall
76
59 Imaging
48 Features
43 Overall
46
Pentax K-3 III vs Samsung GX-10 Key Specs
(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
(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
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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).
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe 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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Following is a preview of the gallery images for Pentax K-3 Mark III and Samsung GX-10. The complete galleries are available at Pentax K-3 III Gallery and Samsung GX-10 Gallery.
Reasons to pick Pentax K-3 III over the Samsung GX-10
| K-3 III | GX-10 | |||
|---|---|---|---|---|
| Announced | March 2021 | September 2006 | More modern by 177 months | |
| Screen dimensions | 3.2" | 2.5" | Bigger screen (+0.7") | |
| Screen resolution | 1620k | 210k | Sharper 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 type | Fixed | 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.
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.

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 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.
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Pentax K-3 III vs Samsung GX-10 Specifications
| Pentax K-3 Mark III | Samsung 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 |