Samsung GX-20 with Pentax K-3 Overview
Let's compare Pentax K-3 with Samsung GX-20.
These models are included in the Semi-Pro DSLR cameras.
Pentax K-3 was released in 2014, and Samsung GX-20 in 2008.
K-3 is newer, which is a plus. GX-20 6 years older.
6 years, this is a pretty big age difference.
The sensor resolution of K-3 is greater than that of GX-20. The difference of 9 MP is quite a lot.
The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
The minimum ISO value for these cameras is the same and is .
A larger maximum ISO allows you to take good pictures in the dark.
The maximum ISO value for these cameras is the same and is .
Both cameras have Sensor-shift image stabilization.
Pentax K-3 has a larger 3-inch Fixed screen, the other camera has a 2-inch Fixed screen.
Both cameras have a optical (pentaprism) viewfinder.
All viewfinders has no electronic viewfinderk dot resolution.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Pentax K-3 has 3.0 fps continuous shooting.
Pentax K-3 has 3.0 fps continuous shooting.
| General |
K-3 |
GX-20 |
| Brand |
Pentax
|
Samsung
|
| Model |
K-3 |
GX-20 |
| Announced |
April, 2014 |
January, 2008 |
| Body Type |
Mid-size SLR |
Mid-size SLR |
| Lens |
| Lens Mount |
Pentax KAF2 |
Pentax KAF2 |
| Manual Focus |
|
|
| Focal Lens Multiplier |
1.5 |
1.5 |
| Number of Lenses |
150 |
150 |
| Macro Focus Range |
n/a |
n/a |
| Screen |
| Screen Size |
3" |
2" |
| Screen Type |
Fixed |
Fixed |
| Screen Resolution |
1037k pixels |
230k pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Optical (pentaprism) |
Optical (pentaprism) |
| Viewfinder Resolution |
no electronic viewfinder |
| Viewfinder Coverage |
100% |
95% |
| Viewfinder Magnification |
0.64 |
0.64 |
| Autofocus |
| AF Touch |
|
|
| AF Continuous |
|
|
| AF Single |
|
|
| AF Tracking |
|
|
| AF Selective |
|
|
| AF Center |
|
|
| AF Multi Area |
|
|
| AF Live View |
|
|
| AF Face Detection |
|
|
| AF Contrast Detection |
|
|
| AF Phase Detection |
|
|
| Number of Focus Points |
27 |
11 |
| Number of Cross Focus Points |
25 |
0 |
| Photography Features |
| RAW Support |
|
|
| Min Shutter Speed |
1/30 sec |
1/30 sec |
| Max Shutter Speed |
1/8000 sec |
1/4000 sec |
| Continuous Shooting |
8.0 fps |
3.0 fps |
| Shutter Priority |
|
|
| Aperture Priority |
|
|
| Manual Exposure Mode |
|
|
| Exposure Compensation |
|
|
| Custom White Balance |
|
|
| Image Stabilization |
|
|
| Built-in Flash |
|
|
| Flash Range |
13.00 |
13.00 |
| Flash Modes |
Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual |
Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External Flash |
|
|
| AE Bracketing |
|
|
| AE Bracketing Range |
±5 EV |
±2 EV |
| WB Bracketing |
|
|
| Sensor |
| Sensor Size |
APS-C |
APS-C |
| Sensor Type |
CMOS |
CMOS |
| Sensor Dimensions |
23.5 x 15.6 mm |
23.4 x 15.6 mm |
| Sensor Area |
366.6 mm² |
365.0 mm² |
| Sensor Resolution |
24 MP |
15 MP |
| Max Image Resolution |
6016 x 4000 |
4688 x 3120 |
| Max Native ISO |
51200 |
3200 |
| Min Native ISO |
100 |
100 |
| Max Boosted ISO |
0 |
6400 |
| Min Boosted ISO |
0 |
0 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
1920 x 1080 |
None |
| Video Formats |
MPEG-4, H.264 |
|
| Timelapse Recording |
|
|
| Microphone Port |
|
|
| Headphone Port |
|
|
| Exposure Modes |
| Multi-Segment |
|
|
| Average |
|
|
| Spot |
|
|
| Partial |
|
|
| AF-Area |
|
|
| Center Weighted |
|
|
| Connectivity |
| GPS |
Optional |
None |
| Wireless Connectivity |
Built-In |
Built-In |
| Bluetooth |
|
|
| HDMI |
|
|
| USB |
USB 3.0 (5 GBit/sec) |
USB 2.0 (480 Mbit/sec) |
| Battery |
| Battery Life |
560 shots |
0 shots |
| Battery Type |
Battery Pack |
|
| Battery Model |
D-LI90 |
|
| Physical |
| Weight |
800 g |
800 g |
| Physical Dimensions |
131 x 100 x 77 mm |
142 x 101 x 72 mm |
| Environmental Sealing |
|
|
| Water Proof |
|
|
| Dust Proof |
|
|
| Shock Proof |
|
|
| Crush Proof |
|
|
| Freeze Proof |
|
|
| Shock Proof |
|
|
| Storage |
| Storage Type |
Dual SD/SDHC/SDXC |
SD/MMC/SDHC card |
| Storage Slots |
2 |
1 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
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