Pentax K-7 vs Samsung GX-20
60 Imaging
54 Features
69 Overall
60
58 Imaging
53 Features
52 Overall
52
Pentax K-7 vs Samsung GX-20 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 2000 (Increase to 6400)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Launched October 2009
- Replacement is Pentax K-5
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Bump to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Released January 2008
- Replaced the Samsung GX-10
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On this page, we are comparing the Pentax K-7 vs Samsung GX-20, both Advanced DSLR cameras by manufacturers Pentax and Samsung. The resolution of the K-7 (15MP) and the GX-20 (15MP) is fairly close and both cameras provide the same sensor dimensions (APS-C).
Photobucket discusses licensing 13 billion images with AI firmsThe K-7 was announced 21 months after the GX-20 making them a generation away from each other. The two cameras have the same body design (Mid-size SLR).
Before we go into a step-by-step comparison, here is a concise introduction of how the K-7 grades vs the GX-20 in relation to portability, imaging, features and an overall mark.
Snapchat Adds Watermarks to AI-Created Images Pentax K-7 vs Samsung GX-20 Gallery
Here is a sample of the gallery pictures for Pentax K-7 & Samsung GX-20. The whole galleries are provided at Pentax K-7 Gallery & Samsung GX-20 Gallery.
Reasons to pick Pentax K-7 over the Samsung GX-20
| K-7 | GX-20 | |||
|---|---|---|---|---|
| Released | October 2009 |  | January 2008 | Newer by 21 months |
| Display dimensions | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 921k |  | 230k | Crisper display (+691k dot) |
Reasons to pick Samsung GX-20 over the Pentax K-7
| GX-20 | K-7 |
|---|
Common features in the Pentax K-7 and Samsung GX-20
| K-7 | GX-20 | |||
|---|---|---|---|---|
| Focus manually |  | Very precise focus | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Missing selfie screen | ||
| Touch friendly display |  | Missing Touch friendly display |
Pentax K-7 vs Samsung GX-20 Physical Comparison
For anybody who is intending to travel with your camera often, you'll need to think about its weight and volume. The Pentax K-7 has got outside measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 750 grams (1.65 lbs) while the Samsung GX-20 has sizing of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).
Compare the Pentax K-7 vs Samsung GX-20 in our completely new Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will change depending on the lens you are utilizing at that time. Following is a front view sizing comparison of the K-7 compared to the GX-20.
Taking into consideration size and weight, the portability rating of the K-7 and GX-20 is 60 and 58 respectively.
Pentax K-7 vs Samsung GX-20 Sensor Comparison
Usually, it is very hard to imagine the difference in sensor dimensions just by looking through specs. The picture here will provide you a more clear sense of the sensor sizing in the K-7 and GX-20.
All in all, both the cameras have the same sensor dimensions and the exact same megapixels and you can expect comparable quality of pictures but you really should consider the age of the cameras into account. The newer K-7 should have an edge with regard to sensor innovation.
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Pentax K-7 vs Samsung GX-20 Specifications
| Pentax K-7 | Samsung GX-20 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Samsung |
| Model type | Pentax K-7 | Samsung GX-20 |
| Type | Advanced DSLR | Advanced DSLR |
| Launched | 2009-10-02 | 2008-01-24 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Chip | Prime II | - |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.4 x 15.6mm | 23.4 x 15.6mm |
| Sensor surface area | 365.0mm² | 365.0mm² |
| Sensor resolution | 15MP | 15MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | - |
| Max resolution | 4672 x 3104 | 4688 x 3120 |
| Max native ISO | 2000 | 3200 |
| Max enhanced ISO | 6400 | 6400 |
| Min native ISO | 100 | 100 |
| RAW images | ||
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 11 | 11 |
| Lens | ||
| Lens support | Pentax KAF2 | Pentax KAF2 |
| Amount of lenses | 151 | 151 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display sizing | 3 inches | 2.7 inches |
| Resolution of display | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display technology | TFT color LCD with AR coating | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.61x | 0.64x |
| Features | ||
| Minimum shutter speed | 30 seconds | 30 seconds |
| Fastest shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shutter rate | 5.0 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 13.00 m | 13.00 m (at ISO 100) |
| Flash settings | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Fastest flash synchronize | 1/180 seconds | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | - |
| Max video resolution | 1280x720 | None |
| Video format | Motion JPEG | - |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 750 grams (1.65 pounds) | 800 grams (1.76 pounds) |
| Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO Overall rating | 61 | 68 |
| DXO Color Depth rating | 22.6 | 23.1 |
| DXO Dynamic range rating | 10.6 | 11.2 |
| DXO Low light rating | 536 | 714 |
| Other | ||
| Battery life | 980 photos | - |
| Battery style | Battery Pack | - |
| Battery ID | D-LI90 | - |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC/MMC | SD/MMC/SDHC card |
| Card slots | Single | Single |
| Retail cost | $599 | $850 |