Pentax K-1 vs Samsung GX-20
55 Imaging
75 Features
82 Overall
77
58 Imaging
52 Features
52 Overall
52
Pentax K-1 vs Samsung GX-20 Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Display
- ISO 100 - 204800
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 1010g - 137 x 110 x 86mm
- Revealed February 2016
- Replacement is Pentax K-1 II
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Bump to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Revealed January 2008
- Old Model is Samsung GX-10
Photography Glossary Pentax K-1 vs Samsung GX-20 Overview
On this page, we will be looking at the Pentax K-1 vs Samsung GX-20, both Advanced DSLR digital cameras by companies Pentax and Samsung. There is a significant difference between the resolutions of the K-1 (36MP) and GX-20 (15MP) and the K-1 (Full frame) and GX-20 (APS-C) boast different sensor size.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K-1 was announced 8 years after the GX-20 which is quite a sizable gap as far as tech is concerned. Each of the cameras have the same body design (Mid-size SLR).
Before diving straight to a in depth comparison, here is a concise synopsis of how the K-1 grades against the GX-20 when it comes to portability, imaging, features and an overall score.
Snapchat Adds Watermarks to AI-Created Images Pentax K-1 vs Samsung GX-20 Gallery
Following is a preview of the gallery photos for Pentax K-1 and Samsung GX-20. The whole galleries are viewable at Pentax K-1 Gallery and Samsung GX-20 Gallery.
Reasons to pick Pentax K-1 over the Samsung GX-20
| K-1 | GX-20 | |||
|---|---|---|---|---|
| Revealed | February 2016 | January 2008 | More modern by 99 months | |
| Screen type | Fully Articulated | Fixed | Fully Articulating screen | |
| Screen dimensions | 3.2" | 2.7" | Bigger screen (+0.5") | |
| Screen resolution | 1037k | 230k | Sharper screen (+807k dot) |
Reasons to pick Samsung GX-20 over the Pentax K-1
| GX-20 | K-1 |
|---|
Common features in the Pentax K-1 and Samsung GX-20
| K-1 | GX-20 | |||
|---|---|---|---|---|
| Manually focus | Very exact focus | |||
| Selfie screen | Neither offers selfie screen | |||
| Touch friendly screen | Lack of Touch friendly screen |
Pentax K-1 vs Samsung GX-20 Physical Comparison
In case you're going to carry around your camera often, you will need to take into account its weight and size. The Pentax K-1 offers physical dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) whilst the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).
Check the Pentax K-1 vs Samsung GX-20 in the latest Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. Here is a front view physical size comparison of the K-1 versus the GX-20.

Taking into account size and weight, the portability grade of the K-1 and GX-20 is 55 and 58 respectively.
Pentax K-1 vs Samsung GX-20 Sensor Comparison
Often, it can be difficult to visualize the difference between sensor sizes merely by going over specs. The picture below will provide you a far better sense of the sensor sizes in the K-1 and GX-20.
As you can plainly see, both the cameras provide different megapixel count and different sensor sizes. The K-1 using its bigger sensor is going to make shooting shallow DOF less difficult and the Pentax K-1 will offer extra detail with its extra 21MP. Higher resolution can also allow you to crop photographs more aggressively. The more modern K-1 should have a benefit when it comes to sensor innovation.
Pentax K-1 vs Samsung GX-20 Screen and ViewFinder
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Pentax K-1 vs Samsung GX-20 Specifications
| Pentax K-1 | Samsung GX-20 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Samsung |
| Model type | Pentax K-1 | Samsung GX-20 |
| Category | Advanced DSLR | Advanced DSLR |
| Revealed | 2016-02-17 | 2008-01-24 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Sensor type | CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor measurements | 35.9 x 24mm | 23.4 x 15.6mm |
| Sensor surface area | 861.6mm² | 365.0mm² |
| Sensor resolution | 36 megapixel | 15 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | - |
| Maximum resolution | 7360 x 4912 | 4688 x 3120 |
| Maximum native ISO | 204800 | 3200 |
| Maximum boosted ISO | - | 6400 |
| Lowest native ISO | 100 | 100 |
| RAW images | ||
| Autofocusing | ||
| Manual focusing | ||
| 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 | ||
| Total focus points | 33 | 11 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF2 | Pentax KAF2 |
| Amount of lenses | 151 | 151 |
| Focal length multiplier | 1 | 1.5 |
| Screen | ||
| Display type | Fully Articulated | Fixed Type |
| Display diagonal | 3.2 inch | 2.7 inch |
| Display resolution | 1,037k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100 percent | 95 percent |
| Viewfinder magnification | 0.7x | 0.64x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shooting speed | 4.4 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 13.00 m (at ISO 100) |
| Flash modes | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash sync | 1/200 seconds | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | - |
| Maximum video resolution | 1920x1080 | None |
| Video format | MPEG-4, H.264 | - |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Built-in | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1010 grams (2.23 lb) | 800 grams (1.76 lb) |
| Physical dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO All around rating | 96 | 68 |
| DXO Color Depth rating | 25.4 | 23.1 |
| DXO Dynamic range rating | 14.6 | 11.2 |
| DXO Low light rating | 3280 | 714 |
| Other | ||
| Battery life | 760 shots | - |
| Form of battery | Battery Pack | - |
| Battery ID | D-LI90 | - |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | Dual SD/SDHC/SDXC (UHS-I) | SD/MMC/SDHC card |
| Storage slots | Dual | One |
| Price at launch | $1,499 | $850 |