Samsung GX-20 vs Sony A57
58 Imaging
54 Features
52 Overall
53
64 Imaging
57 Features
85 Overall
68
Samsung GX-20 vs Sony A57 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Bump to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Released January 2008
- Old Model is Samsung GX-10
(Full Review)
Photobucket discusses licensing 13 billion images with AI firms Samsung GX-20 vs Sony A57 Overview
The following is a in depth assessment of the Samsung GX-20 versus Sony A57, former is a Advanced DSLR while the other is a Entry-Level DSLR by brands Samsung and Sony. The image resolution of the GX-20 (15MP) and the A57 (16MP) is very comparable and they use the exact same sensor dimensions (APS-C).
Sora from OpenAI releases its first ever music videoThe GX-20 was launched 5 years earlier than the A57 which is a fairly serious difference as far as camera technology is concerned. Both the cameras come with different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.
Before delving in to a comprehensive comparison, below is a brief view of how the GX-20 matches up versus the A57 in relation to portability, imaging, features and an overall mark.
Photography Glossary Samsung GX-20 vs Sony A57 Gallery
Here is a sample of the gallery pics for Samsung GX-20 & Sony SLT-A57. The complete galleries are viewable at Samsung GX-20 Gallery & Sony A57 Gallery.
Reasons to pick Samsung GX-20 over the Sony A57
| GX-20 | A57 |
|---|
Reasons to pick Sony A57 over the Samsung GX-20
| A57 | GX-20 | |||
|---|---|---|---|---|
| Released | September 2012 |  | January 2008 | Newer by 56 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display dimension | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 921k |  | 230k | Clearer display (+691k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Samsung GX-20 and Sony A57
| GX-20 | A57 | |||
|---|---|---|---|---|
| Manually focus |  | Very exact focusing | ||
| Touch display |  | Neither contains Touch display |
Samsung GX-20 vs Sony A57 Physical Comparison
If you are intending to travel with your camera, you will want to factor in its weight and measurements. The Samsung GX-20 has got exterior dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) and the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).
Check out the Samsung GX-20 versus Sony A57 in our newest Camera plus Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will vary based on the lens you choose during that time. Here is the front view dimensions comparison of the GX-20 compared to the A57.
Factoring in dimensions and weight, the portability grade of the GX-20 and A57 is 58 and 64 respectively.
Samsung GX-20 vs Sony A57 Sensor Comparison
Normally, it's tough to visualise the contrast in sensor dimensions simply by going through technical specs. The image here should offer you a better sense of the sensor dimensions in the GX-20 and A57.
As you have seen, the two cameras posses the exact same sensor measurements but not the same MP. You can expect to see the Sony A57 to show more detail utilizing its extra 1MP. Greater resolution can also let you crop photos somewhat more aggressively. The more aged GX-20 will be behind when it comes to sensor technology.
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Samsung GX-20 vs Sony A57 Specifications
| Samsung GX-20 | Sony SLT-A57 | |
|---|---|---|
| General Information | ||
| Manufacturer | Samsung | Sony |
| Model | Samsung GX-20 | Sony SLT-A57 |
| Category | Advanced DSLR | Entry-Level DSLR |
| Released | 2008-01-24 | 2012-09-13 |
| Physical type | Mid-size SLR | Compact SLR |
| Sensor Information | ||
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.4 x 15.6mm | 23.5 x 15.6mm |
| Sensor area | 365.0mm² | 366.6mm² |
| Sensor resolution | 15MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | - | 3:2 and 16:9 |
| Highest resolution | 4688 x 3120 | 4912 x 3264 |
| Highest native ISO | 3200 | 16000 |
| Highest boosted ISO | 6400 | 25600 |
| Minimum native ISO | 100 | 100 |
| RAW photos | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | 11 | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Available lenses | 151 | 143 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Type of screen | Fixed Type | Fully Articulated |
| Screen diagonal | 2.7 inches | 3 inches |
| Screen resolution | 230 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Screen tech | - | Xtra Fine TFT drive with TruBlack technology |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 1,440 thousand dots |
| Viewfinder coverage | 95% | 100% |
| Viewfinder magnification | 0.64x | 0.7x |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/4000s | 1/4000s |
| Continuous shooting rate | 3.0 frames per second | 12.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 13.00 m (at ISO 100) | 10.00 m (@ ISO 100) |
| Flash options | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Maximum flash synchronize | 1/180s | 1/160s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Highest video resolution | None | 1920x1080 |
| Video data format | - | MPEG-4, AVCHD, H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 800g (1.76 pounds) | 618g (1.36 pounds) |
| Dimensions | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") | 132 x 98 x 81mm (5.2" x 3.9" x 3.2") |
| DXO scores | ||
| DXO All around score | 68 | 75 |
| DXO Color Depth score | 23.1 | 23.4 |
| DXO Dynamic range score | 11.2 | 13.0 |
| DXO Low light score | 714 | 785 |
| Other | ||
| Battery life | - | 550 pictures |
| Style of battery | - | Battery Pack |
| Battery model | - | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/MMC/SDHC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | 1 | 1 |
| Price at launch | $850 | $1,000 |
