Casio EX-Z800 vs Samsung GX-20
96 Imaging
36 Features
25 Overall
31
58 Imaging
52 Features
52 Overall
52
Casio EX-Z800 vs Samsung GX-20 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 50 - 3200
- Sensor-shift Image Stabilization
- 640 x 480 video
- 27-108mm (F3.2-5.9) lens
- 124g - 91 x 52 x 20mm
- Announced August 2010
(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
- Introduced January 2008
- Replaced the Samsung GX-10
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Here, we are evaluating the Casio EX-Z800 versus Samsung GX-20, former is a Ultracompact while the other is a Advanced DSLR by rivals Casio and Samsung. The sensor resolution of the EX-Z800 (14MP) and the GX-20 (15MP) is fairly comparable but the EX-Z800 (1/2.3") and GX-20 (APS-C) have totally different sensor sizing.
Photobucket discusses licensing 13 billion images with AI firmsThe EX-Z800 was introduced 2 years after the GX-20 which is a fairly big difference as far as camera tech is concerned. Each of these cameras feature different body design with the Casio EX-Z800 being a Ultracompact camera and the Samsung GX-20 being a Mid-size SLR camera.
Before we go right into a complete comparison, here is a concise summary of how the EX-Z800 scores against the GX-20 in the way of portability, imaging, features and an overall mark.
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Here is a sample of the gallery pictures for Casio Exilim EX-Z800 & Samsung GX-20. The whole galleries are provided at Casio EX-Z800 Gallery & Samsung GX-20 Gallery.
Reasons to pick Casio EX-Z800 over the Samsung GX-20
| EX-Z800 | GX-20 | |||
|---|---|---|---|---|
| Introduced | August 2010 | January 2008 | Newer by 31 months |
Reasons to pick Samsung GX-20 over the Casio EX-Z800
| GX-20 | EX-Z800 |
|---|
Common features in the Casio EX-Z800 and Samsung GX-20
| EX-Z800 | GX-20 | |||
|---|---|---|---|---|
| Manually focus | Very exact focus | |||
| Display type | Fixed | Fixed | Fixed display | |
| Display size | 2.7" | 2.7" | Same display measurement | |
| Display resolution | 230k | 230k | Exact same display resolution | |
| Selfie screen | Neither comes with selfie screen | |||
| Touch display | Neither comes with Touch display |
Casio EX-Z800 vs Samsung GX-20 Physical Comparison
When you are intending to travel with your camera, you'll have to factor its weight and size. The Casio EX-Z800 comes with outer measurements of 91mm x 52mm x 20mm (3.6" x 2.0" x 0.8") and a weight of 124 grams (0.27 lbs) while the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs).
Examine the Casio EX-Z800 versus Samsung GX-20 in our newest Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will change based on the lens you are using at the time. The following is a front view proportions comparison of the EX-Z800 vs the GX-20.

Factoring in size and weight, the portability score of the EX-Z800 and GX-20 is 96 and 58 respectively.
Casio EX-Z800 vs Samsung GX-20 Sensor Comparison
In many cases, it is tough to envision the contrast in sensor dimensions purely by going through specifications. The pic below will help give you a better sense of the sensor sizing in the EX-Z800 and GX-20.
Plainly, both of those cameras feature different megapixels and different sensor dimensions. The EX-Z800 with its smaller sensor will make getting shallow depth of field trickier and the Samsung GX-20 will show more detail using its extra 1 Megapixels. Greater resolution will make it easier to crop images way more aggressively. The newer EX-Z800 is going to have an advantage in sensor tech.
Casio EX-Z800 vs Samsung GX-20 Screen and ViewFinder
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Casio EX-Z800 vs Samsung GX-20 Specifications
| Casio Exilim EX-Z800 | Samsung GX-20 | |
|---|---|---|
| General Information | ||
| Manufacturer | Casio | Samsung |
| Model | Casio Exilim EX-Z800 | Samsung GX-20 |
| Class | Ultracompact | Advanced DSLR |
| Announced | 2010-08-03 | 2008-01-24 |
| Body design | Ultracompact | Mid-size SLR |
| Sensor Information | ||
| Processor | Exilim Engine 5.0 | - |
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.4 x 15.6mm |
| Sensor area | 28.1mm² | 365.0mm² |
| Sensor resolution | 14 megapixels | 15 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | - |
| Maximum resolution | 4320 x 3240 | 4688 x 3120 |
| Maximum native ISO | 3200 | 3200 |
| Maximum boosted ISO | - | 6400 |
| Minimum native ISO | 50 | 100 |
| RAW images | ||
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Number of focus points | - | 11 |
| Cross focus points | - | - |
| Lens | ||
| Lens mounting type | fixed lens | Pentax KAF2 |
| Lens focal range | 27-108mm (4.0x) | - |
| Max aperture | f/3.2-5.9 | - |
| Available lenses | - | 151 |
| Crop factor | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 2.7 inches | 2.7 inches |
| Resolution of display | 230k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 95 percent |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Lowest shutter speed | 4 seconds | 30 seconds |
| Highest shutter speed | 1/2000 seconds | 1/4000 seconds |
| Continuous shooting speed | - | 3.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | - | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | - | 13.00 m (at ISO 100) |
| Flash settings | Auto, flash off, flash on, red eye reduction | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Highest flash sync | - | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 × 720 (20 fps), 640 x 480 (30 f ps) | - |
| Maximum video resolution | 640x480 | None |
| Video data format | Motion JPEG | - |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 124 grams (0.27 lbs) | 800 grams (1.76 lbs) |
| Physical dimensions | 91 x 52 x 20mm (3.6" x 2.0" x 0.8") | 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 model | NP-120 | - |
| Self timer | Yes (10 seconds, 2 seconds, Triple Self-timer) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | SD/SDHC, Internal | SD/MMC/SDHC card |
| Storage slots | 1 | 1 |
| Retail price | $150 | $850 |