Olympus E-P1 vs Samsung GX-20
86 Imaging
46 Features
42 Overall
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58 Imaging
52 Features
52 Overall
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Olympus E-P1 vs Samsung GX-20 Key Specs
(Full Review)
- 12MP - Four Thirds Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1280 x 720 video
- Micro Four Thirds Mount
- 355g - 121 x 70 x 36mm
- Announced July 2009
- New Model is Olympus E-P2
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Increase to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 72mm
- Launched January 2008
- Replaced the Samsung GX-10
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Below is a in-depth comparison of the Olympus E-P1 versus Samsung GX-20, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Olympus and Samsung. The sensor resolution of the E-P1 (12MP) and the GX-20 (15MP) is very similar but the E-P1 (Four Thirds) and GX-20 (APS-C) feature totally different sensor measurements.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-P1 was launched 19 months later than the GX-20 making the cameras a generation apart from each other. Each of the cameras come with different body type with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Samsung GX-20 being a Mid-size SLR camera.
Before diving straight into a complete comparison, below is a quick summation of how the E-P1 grades against the GX-20 when it comes to portability, imaging, features and an overall grade.
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Below is a sample of the gallery pics for Olympus PEN E-P1 and Samsung GX-20. The complete galleries are viewable at Olympus E-P1 Gallery and Samsung GX-20 Gallery.
Reasons to pick Olympus E-P1 over the Samsung GX-20
| E-P1 | GX-20 | |||
|---|---|---|---|---|
| Launched | July 2009 | January 2008 | More recent by 19 months | |
| Display dimension | 3" | 2.7" | Larger display (+0.3") |
Reasons to pick Samsung GX-20 over the Olympus E-P1
| GX-20 | E-P1 |
|---|
Common features in the Olympus E-P1 and Samsung GX-20
| E-P1 | GX-20 | |||
|---|---|---|---|---|
| Manual focus | Very precise focusing | |||
| Display type | Fixed | Fixed | Fixed display | |
| Display resolution | 230k | 230k | The same display resolution | |
| Selfie screen | Neither features selfie screen | |||
| Touch display | Neither features Touch display |
Olympus E-P1 vs Samsung GX-20 Physical Comparison
For anyone who is planning to lug around your camera regularly, you should think about its weight and measurements. The Olympus E-P1 enjoys exterior measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") with a weight of 355 grams (0.78 lbs) while the Samsung GX-20 has proportions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).
Contrast the Olympus E-P1 versus Samsung GX-20 in the new Camera with Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at the time. Here is the front view scale comparison of the E-P1 vs the GX-20.

Taking into consideration size and weight, the portability rating of the E-P1 and GX-20 is 86 and 58 respectively.
Olympus E-P1 vs Samsung GX-20 Sensor Comparison
Generally, its hard to visualise the difference between sensor measurements just by going over specifications. The visual below should offer you a far better sense of the sensor measurements in the E-P1 and GX-20.
Plainly, both of these cameras have got different resolutions and different sensor measurements. The E-P1 because of its tinier sensor will make getting shallow depth of field tougher and the Samsung GX-20 will deliver greater detail utilizing its extra 3 Megapixels. Greater resolution will also make it easier to crop images much more aggressively. The fresher E-P1 is going to have an edge with regard to sensor technology.
Olympus E-P1 vs Samsung GX-20 Screen and ViewFinder
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Olympus E-P1 vs Samsung GX-20 Specifications
| Olympus PEN E-P1 | Samsung GX-20 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Samsung |
| Model type | Olympus PEN E-P1 | Samsung GX-20 |
| Class | Entry-Level Mirrorless | Advanced DSLR |
| Announced | 2009-07-29 | 2008-01-24 |
| Body design | Rangefinder-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | TruePic V | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.4 x 15.6mm |
| Sensor surface area | 224.9mm² | 365.0mm² |
| Sensor resolution | 12MP | 15MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | - |
| Peak resolution | 4032 x 3024 | 4688 x 3120 |
| Highest native ISO | 6400 | 3200 |
| Highest enhanced ISO | - | 6400 |
| Minimum native ISO | 100 | 100 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 11 | 11 |
| Lens | ||
| Lens support | Micro Four Thirds | Pentax KAF2 |
| Total lenses | 107 | 151 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display size | 3 inches | 2.7 inches |
| Display resolution | 230 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | HyperCrystal LCD with AR(Anti-Reflective) coating | - |
| Viewfinder Information | ||
| Viewfinder | None | Optical (pentaprism) |
| Viewfinder coverage | - | 95% |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Minimum shutter speed | 60s | 30s |
| Fastest shutter speed | 1/4000s | 1/4000s |
| Continuous shutter speed | 3.0fps | 3.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 13.00 m (at ISO 100) |
| Flash settings | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Fastest flash sync | 1/180s | 1/180s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | - |
| Highest video resolution | 1280x720 | None |
| Video file 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 proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 355 grams (0.78 lbs) | 800 grams (1.76 lbs) |
| Dimensions | 121 x 70 x 36mm (4.8" x 2.8" x 1.4") | 142 x 101 x 72mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO Overall rating | 55 | 68 |
| DXO Color Depth rating | 21.4 | 23.1 |
| DXO Dynamic range rating | 10.4 | 11.2 |
| DXO Low light rating | 536 | 714 |
| Other | ||
| Battery life | 300 photographs | - |
| Type of battery | Battery Pack | - |
| Battery ID | BLS-1 | - |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC card | SD/MMC/SDHC card |
| Storage slots | 1 | 1 |
| Pricing at release | $182 | $850 |