Olympus TG-870 vs Samsung GX-20
91 Imaging
40 Features
46 Overall
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58 Imaging
52 Features
52 Overall
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Olympus TG-870 vs Samsung GX-20 Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Tilting Screen
- ISO 125 - 6400 (Push to 12800)
- Optical Image Stabilization
- 1920 x 1080 video
- 21-105mm (F3.5-5.7) lens
- 221g - 113 x 64 x 28mm
- Launched January 2016
- Succeeded the Olympus TG-860
(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
- Superseded the Samsung GX-10
Samsung Releases Faster Versions of EVO MicroSD Cards Olympus TG-870 vs Samsung GX-20 Overview
Let's take a more detailed look at the Olympus TG-870 vs Samsung GX-20, one is a Ultracompact and the latter is a Advanced DSLR by companies Olympus and Samsung. The sensor resolution of the TG-870 (16MP) and the GX-20 (15MP) is relatively comparable but the TG-870 (1/2.3") and GX-20 (APS-C) offer different sensor size.
Photobucket discusses licensing 13 billion images with AI firmsThe TG-870 was brought out 8 years after the GX-20 which is a fairly sizable gap as far as camera technology is concerned. Each of the cameras feature different body design with the Olympus TG-870 being a Ultracompact camera and the Samsung GX-20 being a Mid-size SLR camera.
Before diving right into a step-by-step comparison, here is a simple synopsis of how the TG-870 matches up versus the GX-20 when considering portability, imaging, features and an overall score.
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This is a preview of the gallery photos for Olympus Stylus Tough TG-870 and Samsung GX-20. The entire galleries are available at Olympus TG-870 Gallery and Samsung GX-20 Gallery.
Reasons to pick Olympus TG-870 over the Samsung GX-20
| TG-870 | GX-20 | |||
|---|---|---|---|---|
| Launched | January 2016 | January 2008 | More modern by 97 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen size | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 921k | 230k | Crisper screen (+691k dot) |
Reasons to pick Samsung GX-20 over the Olympus TG-870
| GX-20 | TG-870 | |||
|---|---|---|---|---|
| Focus manually | Dial precise focusing |
Common features in the Olympus TG-870 and Samsung GX-20
| TG-870 | GX-20 | |||
|---|---|---|---|---|
| Selfie screen | No selfie screen | |||
| Touch friendly screen | No Touch friendly screen |
Olympus TG-870 vs Samsung GX-20 Physical Comparison
For anyone who is going to carry around your camera often, you will need to factor its weight and size. The Olympus TG-870 features exterior dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") and a weight of 221 grams (0.49 lbs) while the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).
See the Olympus TG-870 vs Samsung GX-20 in the new Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that moment. Below is a front view proportions comparison of the TG-870 compared to the GX-20.

Looking at dimensions and weight, the portability score of the TG-870 and GX-20 is 91 and 58 respectively.
Olympus TG-870 vs Samsung GX-20 Sensor Comparison
Normally, it is very tough to picture the difference in sensor sizes purely by going through specs. The picture here will help provide you a much better sense of the sensor dimensions in the TG-870 and GX-20.
All in all, each of these cameras feature different megapixels and different sensor sizes. The TG-870 featuring a smaller sensor is going to make shooting shallow depth of field more challenging and the Olympus TG-870 will show greater detail having its extra 1MP. Higher resolution will also let you crop shots way more aggressively. The more modern TG-870 should have an edge in sensor innovation.
Olympus TG-870 vs Samsung GX-20 Screen and ViewFinder
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Olympus TG-870 vs Samsung GX-20 Specifications
| Olympus Stylus Tough TG-870 | Samsung GX-20 | |
|---|---|---|
| General Information | ||
| Make | Olympus | Samsung |
| Model | Olympus Stylus Tough TG-870 | Samsung GX-20 |
| Type | Ultracompact | Advanced DSLR |
| Launched | 2016-01-06 | 2008-01-24 |
| Body design | Ultracompact | Mid-size SLR |
| Sensor Information | ||
| Processor | TruePic VII | - |
| Sensor type | BSI-CMOS | 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 | 16 megapixels | 15 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | - |
| Peak resolution | 4608 x 3456 | 4688 x 3120 |
| Highest native ISO | 6400 | 3200 |
| Highest enhanced ISO | 12800 | 6400 |
| Minimum native ISO | 125 | 100 |
| RAW support | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | - | 11 |
| Lens | ||
| Lens mounting type | fixed lens | Pentax KAF2 |
| Lens focal range | 21-105mm (5.0x) | - |
| Highest aperture | f/3.5-5.7 | - |
| Macro focus range | 1cm | - |
| Available lenses | - | 151 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Range of screen | Tilting | Fixed Type |
| Screen diagonal | 3 inches | 2.7 inches |
| Screen resolution | 921 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 95% |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Minimum shutter speed | 4 seconds | 30 seconds |
| Fastest shutter speed | 1/2000 seconds | 1/4000 seconds |
| Continuous shutter speed | 7.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 4.00 m (at ISO 1600) | 13.00 m (at ISO 100) |
| Flash settings | Auto, redeye reduction, fill flash, off, LED illuminator | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Fastest flash sync | - | 1/180 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) | - |
| Highest video resolution | 1920x1080 | None |
| Video file format | MPEG-4, H.264 | - |
| Mic 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 | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 221 grams (0.49 pounds) | 800 grams (1.76 pounds) |
| Physical dimensions | 113 x 64 x 28mm (4.4" x 2.5" 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 life | 300 images | - |
| Battery format | Battery Pack | - |
| Battery model | Li-50B | - |
| Self timer | Yes (2 or 10 sec, custom) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | SD/SDHC/SDXC, Internal | SD/MMC/SDHC card |
| Storage slots | 1 | 1 |
| Cost at release | $280 | $850 |