Pentax Q7 vs Samsung GX-20
92 Imaging
37 Features
54 Overall
43


58 Imaging
53 Features
52 Overall
52
Pentax Q7 vs Samsung GX-20 Key Specs
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Fixed Screen
- ISO 100 - 12800
- Sensor based Image Stabilization
- 1920 x 1080 video
- Pentax Q Mount
- 200g - 102 x 58 x 34mm
- Revealed August 2013
- Old Model is Pentax Q10
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Raise to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Announced January 2008
- Old Model is Samsung GX-10

Pentax Q7 vs Samsung GX-20 Overview
Its time to look closer at the Pentax Q7 versus Samsung GX-20, one is a Entry-Level Mirrorless and the latter is a Advanced DSLR by companies Pentax and Samsung. The image resolution of the Q7 (12MP) and the GX-20 (15MP) is relatively similar but the Q7 (1/1.7") and GX-20 (APS-C) feature different sensor measurements.

The Q7 was revealed 5 years after the GX-20 which is quite a significant gap as far as technology is concerned. Both cameras offer different body type with the Pentax Q7 being a Rangefinder-style mirrorless camera and the Samsung GX-20 being a Mid-size SLR camera.
Before getting straight into a detailed comparison, below is a simple summation of how the Q7 matches up versus the GX-20 with respect to portability, imaging, features and an overall score.

Pentax Q7 vs Samsung GX-20 Gallery
Here is a preview of the gallery photos for Pentax Q7 and Samsung GX-20. The full galleries are provided at Pentax Q7 Gallery and Samsung GX-20 Gallery.
Reasons to pick Pentax Q7 over the Samsung GX-20
Q7 | GX-20 | |||
---|---|---|---|---|
Announced | August 2013 | ![]() | January 2008 | More modern by 68 months |
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 230k | Crisper screen (+230k dot) |
Reasons to pick Samsung GX-20 over the Pentax Q7
GX-20 | Q7 |
---|
Common features in the Pentax Q7 and Samsung GX-20
Q7 | GX-20 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Missing selfie screen | ||
Touch screen | ![]() | Neither has Touch screen |
Pentax Q7 vs Samsung GX-20 Physical Comparison
For those who are looking to carry around your camera, you are going to need to factor its weight and measurements. The Pentax Q7 has outer dimensions of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") with a weight of 200 grams (0.44 lbs) whilst the Samsung GX-20 has proportions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).
Contrast the Pentax Q7 versus Samsung GX-20 in the all new Camera and Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at that time. Following is the front view dimensions comparison of the Q7 and the GX-20.

Taking into consideration dimensions and weight, the portability rating of the Q7 and GX-20 is 92 and 58 respectively.

Pentax Q7 vs Samsung GX-20 Sensor Comparison
Quite often, it can be difficult to visualize the gap between sensor sizes just by reviewing specifications. The image underneath should give you a stronger sense of the sensor sizes in the Q7 and GX-20.
To sum up, the two cameras offer different megapixel count and different sensor sizes. The Q7 having a tinier sensor is going to make achieving shallow DOF more difficult and the Samsung GX-20 will offer you more detail because of its extra 3 Megapixels. Higher resolution can also let you crop photographs a little more aggressively. The newer Q7 provides a benefit with regard to sensor tech.

Pentax Q7 vs Samsung GX-20 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax Q7 vs Samsung GX-20 Specifications
Pentax Q7 | Samsung GX-20 | |
---|---|---|
General Information | ||
Brand | Pentax | Samsung |
Model | Pentax Q7 | Samsung GX-20 |
Type | Entry-Level Mirrorless | Advanced DSLR |
Revealed | 2013-08-08 | 2008-01-24 |
Physical type | Rangefinder-style mirrorless | Mid-size SLR |
Sensor Information | ||
Sensor type | BSI-CMOS | CMOS |
Sensor size | 1/1.7" | APS-C |
Sensor dimensions | 7.44 x 5.58mm | 23.4 x 15.6mm |
Sensor surface area | 41.5mm² | 365.0mm² |
Sensor resolution | 12 megapixels | 15 megapixels |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | - |
Highest resolution | 4000 x 3000 | 4688 x 3120 |
Highest native ISO | 12800 | 3200 |
Highest boosted ISO | - | 6400 |
Minimum native ISO | 100 | 100 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous autofocus | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | - | 11 |
Cross focus points | - | - |
Lens | ||
Lens mounting type | Pentax Q | Pentax KAF2 |
Total lenses | 8 | 151 |
Focal length multiplier | 4.8 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 3 inch | 2.7 inch |
Resolution of screen | 460 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen technology | TFT color LCD monitor, wide angle viewing, AR coating | - |
Viewfinder Information | ||
Viewfinder type | Optical (optional) | Optical (pentaprism) |
Viewfinder coverage | - | 95% |
Viewfinder magnification | - | 0.64x |
Features | ||
Slowest shutter speed | 30 seconds | 30 seconds |
Maximum shutter speed | 1/2000 seconds | 1/4000 seconds |
Continuous shooting rate | 5.0 frames/s | 3.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 4.90 m (ISO100/m) | 13.00 m (at ISO 100) |
Flash modes | P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Maximum flash synchronize | 1/2000 seconds | 1/180 seconds |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | FullHD(1920x1080, 30fps/25fps/24fps), HD(1280x720,16:9,30fps/25fps/24fps), VGA(640x480,4:3,30fps/25fps/24fps) | - |
Highest video resolution | 1920x1080 | None |
Video file format | MPEG-4, H.264 | - |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 200 grams (0.44 pounds) | 800 grams (1.76 pounds) |
Dimensions | 102 x 58 x 34mm (4.0" x 2.3" x 1.3") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
DXO scores | ||
DXO All around score | not tested | 68 |
DXO Color Depth score | not tested | 23.1 |
DXO Dynamic range score | not tested | 11.2 |
DXO Low light score | not tested | 714 |
Other | ||
Battery life | 250 photos | - |
Style of battery | Battery Pack | - |
Battery model | D-LI68 | - |
Self timer | Yes (12 sec, 2 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD, SDHC, SDXC and Eye-Fi Card | SD/MMC/SDHC card |
Card slots | One | One |
Cost at launch | $480 | $850 |