Samsung GX-20 vs Sony A900
58 Imaging
53 Features
52 Overall
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54 Imaging
66 Features
62 Overall
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Samsung GX-20 vs Sony A900 Key Specs
(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
- Launched January 2008
- Old Model is Samsung GX-10
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Revealed October 2008
- New Model is Sony A99
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The following is a thorough overview of the Samsung GX-20 and Sony A900, both Advanced DSLR cameras by competitors Samsung and Sony. There exists a noticeable gap among the image resolutions of the GX-20 (15MP) and A900 (25MP) and the GX-20 (APS-C) and A900 (Full frame) enjoy totally different sensor sizes.
Photography GlossaryThe GX-20 was manufactured 9 months earlier than the A900 so they are of a similar age. Both of the cameras come with the identical body type (Mid-size SLR).
Before going in to a comprehensive comparison, below is a quick overview of how the GX-20 matches up versus the A900 for portability, imaging, features and an overall mark.
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The following is a sample of the gallery pictures for Samsung GX-20 & Sony Alpha DSLR-A900. The entire galleries are available at Samsung GX-20 Gallery & Sony A900 Gallery.
Reasons to pick Samsung GX-20 over the Sony A900
| GX-20 | A900 |
|---|
Reasons to pick Sony A900 over the Samsung GX-20
| A900 | GX-20 | |||
|---|---|---|---|---|
| Revealed | October 2008 |  | January 2008 | Newer by 9 months |
| Display dimension | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 922k |  | 230k | Sharper display (+692k dot) |
Common features in the Samsung GX-20 and Sony A900
| GX-20 | A900 | |||
|---|---|---|---|---|
| Manually focus |  | More exact focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch friendly display |  | Neither provides Touch friendly display |
Samsung GX-20 vs Sony A900 Physical Comparison
For anybody who is going to travel with your camera often, you will want to factor its weight and volume. The Samsung GX-20 provides external measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) whilst the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).
Look at the Samsung GX-20 and Sony A900 in our brand new Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will change based on the lens you have attached at the time. Following is the front view measurements comparison of the GX-20 vs the A900.
Taking into consideration dimensions and weight, the portability grade of the GX-20 and A900 is 58 and 54 respectively.
Samsung GX-20 vs Sony A900 Sensor Comparison
More often than not, it's tough to visualise the gap in sensor dimensions purely by going through a spec sheet. The picture underneath might offer you a clearer sense of the sensor measurements in the GX-20 and A900.
Clearly, the 2 cameras posses different megapixel count and different sensor dimensions. The GX-20 because of its smaller sensor will make achieving shallow DOF harder and the Sony A900 will provide extra detail due to its extra 10 Megapixels. Greater resolution will also enable you to crop images somewhat more aggressively. The more aged GX-20 will be disadvantaged with regard to sensor tech.
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Samsung GX-20 vs Sony A900 Specifications
| Samsung GX-20 | Sony Alpha DSLR-A900 | |
|---|---|---|
| General Information | ||
| Make | Samsung | Sony |
| Model | Samsung GX-20 | Sony Alpha DSLR-A900 |
| Category | Advanced DSLR | Advanced DSLR |
| Launched | 2008-01-24 | 2008-10-22 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | Full frame |
| Sensor dimensions | 23.4 x 15.6mm | 35.9 x 24mm |
| Sensor surface area | 365.0mm² | 861.6mm² |
| Sensor resolution | 15MP | 25MP |
| Anti aliasing filter | ||
| Aspect ratio | - | 3:2 and 16:9 |
| Max resolution | 4688 x 3120 | 6048 x 4032 |
| Max native ISO | 3200 | 6400 |
| Max enhanced ISO | 6400 | - |
| Minimum native ISO | 100 | 100 |
| RAW photos | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Available lenses | 151 | 143 |
| Crop factor | 1.5 | 1 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display sizing | 2.7 inches | 3 inches |
| Resolution of display | 230k dot | 922k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display technology | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 95 percent | 100 percent |
| Viewfinder magnification | 0.64x | 0.74x |
| Features | ||
| Min shutter speed | 30 seconds | 30 seconds |
| Max shutter speed | 1/4000 seconds | 1/8000 seconds |
| Continuous shutter speed | 3.0 frames per sec | 5.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 13.00 m (at ISO 100) | no built-in flash |
| Flash modes | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Max flash sync | 1/180 seconds | 1/250 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Max video resolution | None | None |
| 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 | 800 gr (1.76 lb) | 895 gr (1.97 lb) |
| Dimensions | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO Overall score | 68 | 79 |
| DXO Color Depth score | 23.1 | 23.7 |
| DXO Dynamic range score | 11.2 | 12.3 |
| DXO Low light score | 714 | 1431 |
| Other | ||
| Battery life | - | 880 shots |
| Form of battery | - | Battery Pack |
| Battery model | - | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | SD/MMC/SDHC card | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
| Storage slots | Single | Dual |
| Retail pricing | $850 | $2,736 |