Samsung GX-1S vs Sony A900
68 Imaging
44 Features
36 Overall
40
54 Imaging
66 Features
62 Overall
64
Samsung GX-1S vs Sony A900 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 200 - 3200
- No Video
- Pentax KAF Mount
- 605g - 125 x 93 x 66mm
- Revealed January 2006
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Announced October 2008
- Successor is Sony A99
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On this page, we will be evaluating the Samsung GX-1S and Sony A900, both Advanced DSLR cameras by rivals Samsung and Sony. There exists a considerable gap among the resolutions of the GX-1S (6MP) and A900 (25MP) and the GX-1S (APS-C) and A900 (Full frame) boast different sensor sizing.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe GX-1S was released 3 years prior to the A900 which is a fairly large difference as far as camera technology is concerned. Both cameras have the same body design (Mid-size SLR).
Before going right into a detailed comparison, here is a short summary of how the GX-1S scores vs the A900 with respect to portability, imaging, features and an overall score.
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Below is a preview of the gallery photos for Samsung GX-1S & Sony Alpha DSLR-A900. The complete galleries are provided at Samsung GX-1S Gallery & Sony A900 Gallery.
Reasons to pick Samsung GX-1S over the Sony A900
| GX-1S | A900 |
|---|
Reasons to pick Sony A900 over the Samsung GX-1S
| A900 | GX-1S | |||
|---|---|---|---|---|
| Announced | October 2008 | January 2006 | More modern by 33 months | |
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 922k | 210k | Clearer screen (+712k dot) |
Common features in the Samsung GX-1S and Sony A900
| GX-1S | A900 | |||
|---|---|---|---|---|
| Focus manually | Very exact focusing | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither comes with selfie screen | |||
| Touch friendly screen | Lack of Touch friendly screen |
Samsung GX-1S vs Sony A900 Physical Comparison
If you are intending to carry around your camera regularly, you will want to factor in its weight and volume. The Samsung GX-1S comes with outer dimensions of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") along with a weight of 605 grams (1.33 lbs) whilst the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).
Examine the Samsung GX-1S and Sony A900 in our newest Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will vary based on the lens you select during that time. Underneath is a front view proportions comparison of the GX-1S and the A900.

Using dimensions and weight, the portability rating of the GX-1S and A900 is 68 and 54 respectively.
Samsung GX-1S vs Sony A900 Sensor Comparison
Typically, it's hard to imagine the difference in sensor sizes just by viewing specs. The image here may provide you a more clear sense of the sensor sizes in the GX-1S and A900.
All in all, both of those cameras have different megapixel count and different sensor sizes. The GX-1S due to its smaller sensor is going to make getting shallow depth of field more difficult and the Sony A900 will result in more detail as a result of its extra 19 Megapixels. Higher resolution will also let you crop pictures a bit more aggressively. The more aged GX-1S will be behind in sensor tech.
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Samsung GX-1S vs Sony A900 Specifications
| Samsung GX-1S | Sony Alpha DSLR-A900 | |
|---|---|---|
| General Information | ||
| Make | Samsung | Sony |
| Model | Samsung GX-1S | Sony Alpha DSLR-A900 |
| Category | Advanced DSLR | Advanced DSLR |
| Revealed | 2006-01-16 | 2008-10-22 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | - | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | APS-C | Full frame |
| Sensor dimensions | 23.5 x 15.7mm | 35.9 x 24mm |
| Sensor surface area | 369.0mm² | 861.6mm² |
| Sensor resolution | 6 megapixel | 25 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 3008 x 2008 | 6048 x 4032 |
| Max native ISO | 3200 | 6400 |
| Lowest native ISO | 200 | 100 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mounting type | Pentax KAF | Sony/Minolta Alpha |
| Available lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display sizing | 2.5 inch | 3 inch |
| Resolution of display | 210k dots | 922k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| 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 | ||
| Lowest shutter speed | 30 seconds | 30 seconds |
| Highest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Continuous shooting rate | 3.0fps | 5.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | - | no built-in flash |
| Flash options | Auto, On, Off, Red-eye reduction | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash synchronize | 1/180 seconds | 1/250 seconds |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Max video resolution | None | None |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 1.0 (1.5 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 | 605 gr (1.33 lbs) | 895 gr (1.97 lbs) |
| Physical dimensions | 125 x 93 x 66mm (4.9" x 3.7" x 2.6") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO All around score | not tested | 79 |
| DXO Color Depth score | not tested | 23.7 |
| DXO Dynamic range score | not tested | 12.3 |
| DXO Low light score | not tested | 1431 |
| Other | ||
| Battery life | - | 880 images |
| Style of battery | - | Battery Pack |
| Battery model | 4 x AA | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/MMC card | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
| Card slots | 1 | 2 |
| Retail cost | $850 | $2,736 |