Pentax H90 vs Samsung GX-20
93 Imaging
34 Features
24 Overall
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58 Imaging
53 Features
52 Overall
52
Pentax H90 vs Samsung GX-20 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.9) lens
- 153g - 101 x 65 x 28mm
- Introduced January 2010
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Launched January 2008
- Succeeded the Samsung GX-10

Pentax H90 vs Samsung GX-20 Overview
Let's take a deeper look at the Pentax H90 versus Samsung GX-20, former is a Small Sensor Compact while the latter is a Advanced DSLR by competitors Pentax and Samsung. The resolution of the H90 (12MP) and the GX-20 (15MP) is relatively close but the H90 (1/2.3") and GX-20 (APS-C) boast totally different sensor dimensions.

The H90 was revealed 2 years after the GX-20 which is a fairly significant difference as far as camera technology is concerned. Both cameras have different body design with the Pentax H90 being a Compact camera and the Samsung GX-20 being a Mid-size SLR camera.
Before getting straight to a more detailed comparison, here is a short highlight of how the H90 grades vs the GX-20 when it comes to portability, imaging, features and an overall mark.

Pentax H90 vs Samsung GX-20 Gallery
This is a preview of the gallery photos for Pentax Optio H90 & Samsung GX-20. The full galleries are provided at Pentax H90 Gallery & Samsung GX-20 Gallery.
Reasons to pick Pentax H90 over the Samsung GX-20
H90 | GX-20 | |||
---|---|---|---|---|
Launched | January 2010 | ![]() | January 2008 | Newer by 25 months |
Reasons to pick Samsung GX-20 over the Pentax H90
GX-20 | H90 |
---|
Common features in the Pentax H90 and Samsung GX-20
H90 | GX-20 | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen dimensions | 2.7" | ![]() | 2.7" | Equal screen sizing |
Screen resolution | 230k | ![]() | 230k | Identical screen resolution |
Selfie screen | ![]() | Lacking selfie screen | ||
Touch screen | ![]() | Lacking Touch screen |
Pentax H90 vs Samsung GX-20 Physical Comparison
For anybody who is planning to travel with your camera frequently, you should think about its weight and size. The Pentax H90 has exterior dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs) and 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 H90 versus Samsung GX-20 in our newest Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will vary depending on the lens you use at the time. Here is a front view sizing comparison of the H90 compared to the GX-20.

Looking at dimensions and weight, the portability rating of the H90 and GX-20 is 93 and 58 respectively.

Pentax H90 vs Samsung GX-20 Sensor Comparison
More often than not, it can be hard to envision the gap in sensor dimensions only by researching specifications. The pic here should give you a much better sense of the sensor sizes in the H90 and GX-20.
To sum up, both of the cameras have different megapixel count and different sensor dimensions. The H90 with its smaller sensor will make shooting shallower DOF harder and the Samsung GX-20 will result in extra detail because of its extra 3 Megapixels. Higher resolution will help you crop photographs a bit more aggressively. The newer H90 will have an advantage with regard to sensor innovation.

Pentax H90 vs Samsung GX-20 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax H90 vs Samsung GX-20 Specifications
Pentax Optio H90 | Samsung GX-20 | |
---|---|---|
General Information | ||
Company | Pentax | Samsung |
Model | Pentax Optio H90 | Samsung GX-20 |
Category | Small Sensor Compact | Advanced DSLR |
Introduced | 2010-01-25 | 2008-01-24 |
Physical type | Compact | Mid-size SLR |
Sensor Information | ||
Processor | Prime | - |
Sensor type | CCD | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor dimensions | 6.17 x 4.55mm | 23.4 x 15.6mm |
Sensor surface area | 28.1mm² | 365.0mm² |
Sensor resolution | 12 megapixel | 15 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 and 16:9 | - |
Max resolution | 4000 x 3000 | 4688 x 3120 |
Max native ISO | 6400 | 3200 |
Max enhanced ISO | - | 6400 |
Lowest native ISO | 80 | 100 |
RAW photos | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Continuous autofocus | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 9 | 11 |
Lens | ||
Lens mounting type | fixed lens | Pentax KAF2 |
Lens focal range | 28-140mm (5.0x) | - |
Maximal aperture | f/3.5-5.9 | - |
Macro focus range | 10cm | - |
Available lenses | - | 151 |
Focal length multiplier | 5.8 | 1.5 |
Screen | ||
Type of screen | Fixed Type | Fixed Type |
Screen diagonal | 2.7 inches | 2.7 inches |
Resolution of screen | 230 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Viewfinder Information | ||
Viewfinder type | None | Optical (pentaprism) |
Viewfinder coverage | - | 95% |
Viewfinder magnification | - | 0.64x |
Features | ||
Min shutter speed | 4s | 30s |
Max shutter speed | 1/2000s | 1/4000s |
Continuous shutter rate | 1.0 frames per second | 3.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | - | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 4.00 m | 13.00 m (at ISO 100) |
Flash modes | Auto, On, Off, Red-eye, Soft | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Max flash synchronize | - | 1/180s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) | - |
Max video resolution | 1280x720 | None |
Video format | Motion JPEG | - |
Mic support | ||
Headphone support | ||
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 | 153g (0.34 pounds) | 800g (1.76 pounds) |
Physical dimensions | 101 x 65 x 28mm (4.0" x 2.6" x 1.1") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
DXO scores | ||
DXO Overall 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 model | D-LI68 | - |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse shooting | ||
Type of storage | SD/SDHC, Internal | SD/MMC/SDHC card |
Card slots | Single | Single |
Pricing at release | $150 | $850 |