Olympus TG-870 vs Sony A57
91 Imaging
41 Features
46 Overall
43
64 Imaging
57 Features
85 Overall
68
Olympus TG-870 vs Sony A57 Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Tilting Display
- ISO 125 - 6400 (Boost to 12800)
- Optical Image Stabilization
- 1920 x 1080 video
- 21-105mm (F3.5-5.7) lens
- 221g - 113 x 64 x 28mm
- Announced January 2016
- Older Model is Olympus TG-860
(Full Review)
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Its time to take a closer look at the Olympus TG-870 versus Sony A57, former is a Ultracompact while the latter is a Entry-Level DSLR by brands Olympus and Sony. The sensor resolution of the TG-870 (16MP) and the A57 (16MP) is relatively comparable but the TG-870 (1/2.3") and A57 (APS-C) enjoy different sensor dimensions.
Photography GlossaryThe TG-870 was manufactured 3 years after the A57 which is a fairly big difference as far as camera technology is concerned. Each of these cameras come with different body type with the Olympus TG-870 being a Ultracompact camera and the Sony A57 being a Compact SLR camera.
Before diving straight into a comprehensive comparison, below is a quick synopsis of how the TG-870 scores vs the A57 for portability, imaging, features and an overall score.
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Below is a preview of the gallery photos for Olympus Stylus Tough TG-870 & Sony SLT-A57. The entire galleries are available at Olympus TG-870 Gallery & Sony A57 Gallery.
Reasons to pick Olympus TG-870 over the Sony A57
| TG-870 | A57 | |||
|---|---|---|---|---|
| Introduced | January 2016 |  | September 2012 | More modern by 41 months |
Reasons to pick Sony A57 over the Olympus TG-870
| A57 | TG-870 | |||
|---|---|---|---|---|
| Manual focus |  | Dial precise focusing | ||
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Selfie screen |  | Easy selfies |
Common features in the Olympus TG-870 and Sony A57
| TG-870 | A57 | |||
|---|---|---|---|---|
| Screen dimension | 3" |  | 3" | Identical screen sizing |
| Screen resolution | 921k |  | 921k | Same screen resolution |
| Touch screen |  | Absent Touch screen |
Olympus TG-870 vs Sony A57 Physical Comparison
When you are going to carry around your camera often, you should take into account its weight and volume. The Olympus TG-870 has exterior dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") having a weight of 221 grams (0.49 lbs) and the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).
Check the Olympus TG-870 versus Sony A57 in our completely new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will change dependant on the lens you are using at the time. The following is the front view sizing comparison of the TG-870 and the A57.
Taking into consideration dimensions and weight, the portability rating of the TG-870 and A57 is 91 and 64 respectively.
Olympus TG-870 vs Sony A57 Sensor Comparison
Sometimes, it is hard to imagine the contrast in sensor sizes simply by going through technical specs. The picture underneath might offer you a far better sense of the sensor dimensions in the TG-870 and A57.
As you can tell, both the cameras posses the exact same megapixels albeit different sensor sizes. The TG-870 has the smaller sensor which will make getting shallow DOF trickier. The fresher TG-870 should have a benefit when it comes to sensor technology.
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Olympus TG-870 vs Sony A57 Specifications
| Olympus Stylus Tough TG-870 | Sony SLT-A57 | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model type | Olympus Stylus Tough TG-870 | Sony SLT-A57 |
| Type | Ultracompact | Entry-Level DSLR |
| Announced | 2016-01-06 | 2012-09-13 |
| Physical type | Ultracompact | Compact 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 | 23.5 x 15.6mm |
| Sensor surface area | 28.1mm² | 366.6mm² |
| Sensor resolution | 16 megapixels | 16 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Full resolution | 4608 x 3456 | 4912 x 3264 |
| Max native ISO | 6400 | 16000 |
| Max boosted ISO | 12800 | 25600 |
| Min native ISO | 125 | 100 |
| RAW support | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | - | 15 |
| Cross type focus points | - | 3 |
| Lens | ||
| Lens support | fixed lens | Sony/Minolta Alpha |
| Lens zoom range | 21-105mm (5.0x) | - |
| Max aperture | f/3.5-5.7 | - |
| Macro focusing distance | 1cm | - |
| Available lenses | - | 143 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Type of display | Tilting | Fully Articulated |
| Display sizing | 3 inches | 3 inches |
| Resolution of display | 921 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Display technology | - | Xtra Fine TFT drive with TruBlack technology |
| Viewfinder Information | ||
| Viewfinder | None | Electronic |
| Viewfinder resolution | - | 1,440 thousand dots |
| Viewfinder coverage | - | 100% |
| Viewfinder magnification | - | 0.7x |
| Features | ||
| Lowest shutter speed | 4 secs | 30 secs |
| Highest shutter speed | 1/2000 secs | 1/4000 secs |
| Continuous shooting rate | 7.0fps | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 4.00 m (at ISO 1600) | 10.00 m (@ ISO 100) |
| Flash options | Auto, redeye reduction, fill flash, off, LED illuminator | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Highest flash synchronize | - | 1/160 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 221 grams (0.49 lbs) | 618 grams (1.36 lbs) |
| Dimensions | 113 x 64 x 28mm (4.4" x 2.5" x 1.1") | 132 x 98 x 81mm (5.2" x 3.9" x 3.2") |
| DXO scores | ||
| DXO All around rating | not tested | 75 |
| DXO Color Depth rating | not tested | 23.4 |
| DXO Dynamic range rating | not tested | 13.0 |
| DXO Low light rating | not tested | 785 |
| Other | ||
| Battery life | 300 photos | 550 photos |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | Li-50B | NP-FM500H |
| Self timer | Yes (2 or 10 sec, custom) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC, Internal | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | One | One |
| Cost at launch | $280 | $1,000 |