Pentax K-3 vs Pentax K20D
59 Imaging
65 Features
85 Overall
73
59 Imaging
53 Features
52 Overall
52
Pentax K-3 vs Pentax K20D Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Announced April 2014
- Successor is Pentax K-3 II
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Launched June 2008
- Previous Model is Pentax K10D
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In this article, we are reviewing the Pentax K-3 and Pentax K20D, both Advanced DSLR cameras and both are created by Pentax. There is a large difference among the resolutions of the K-3 (24MP) and K20D (15MP) but they possess the same exact sensor sizing (APS-C).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K-3 was released 5 years after the K20D which is a fairly serious difference as far as camera tech is concerned. The two cameras offer the identical body type (Mid-size SLR).
Before diving through a step-by-step comparison, below is a quick view of how the K-3 scores vs the K20D in relation to portability, imaging, features and an overall mark.
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The following is a sample of the gallery pics for Pentax K-3 & Pentax K20D. The complete galleries are viewable at Pentax K-3 Gallery & Pentax K20D Gallery.
Reasons to pick Pentax K-3 over the Pentax K20D
| K-3 | K20D | |||
|---|---|---|---|---|
| Launched | April 2014 |  | June 2008 | Newer by 71 months |
| Display sizing | 3.2" |  | 2.7" | Larger display (+0.5") |
| Display resolution | 1037k |  | 230k | Crisper display (+807k dot) |
Reasons to pick Pentax K20D over the Pentax K-3
| K20D | K-3 |
|---|
Common features in the Pentax K-3 and Pentax K20D
| K-3 | K20D | |||
|---|---|---|---|---|
| Manually focus |  | More accurate focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch display |  | Neither provides Touch display |
Pentax K-3 vs Pentax K20D Physical Comparison
For anybody who is looking to travel with your camera frequently, you should factor its weight and size. The Pentax K-3 provides outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) whilst the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs).
Look at the Pentax K-3 and Pentax K20D in our newest Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will differ based on the lens you are utilising during that time. Underneath is the front view measurements comparison of the K-3 versus the K20D.
Taking into account size and weight, the portability score of the K-3 and K20D is 59 and 59 respectively.
Pentax K-3 vs Pentax K20D Sensor Comparison
Oftentimes, it's hard to imagine the contrast in sensor dimensions only by looking through specifications. The image here should offer you a clearer sense of the sensor sizes in the K-3 and K20D.
To sum up, both of the cameras offer the same exact sensor sizing but different resolution. You can expect to see the Pentax K-3 to provide you with extra detail as a result of its extra 9MP. Greater resolution will also allow you to crop photos a little more aggressively. The younger K-3 provides a benefit when it comes to sensor tech.
Pentax K-3 vs Pentax K20D Screen and ViewFinder
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Pentax K-3 vs Pentax K20D Specifications
| Pentax K-3 | Pentax K20D | |
|---|---|---|
| General Information | ||
| Make | Pentax | Pentax |
| Model type | Pentax K-3 | Pentax K20D |
| Type | Advanced DSLR | Advanced DSLR |
| Announced | 2014-04-10 | 2008-06-25 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | Prime III | - |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.4 x 15.6mm |
| Sensor area | 366.6mm² | 365.0mm² |
| Sensor resolution | 24 megapixels | 15 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Peak resolution | 6016 x 4000 | 4672 x 3104 |
| Highest native ISO | 51200 | 3200 |
| Highest enhanced ISO | - | 6400 |
| Minimum native ISO | 100 | 100 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 27 | 11 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens mount type | Pentax KAF2 | Pentax KAF2 |
| Available lenses | 151 | 151 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3.2 inch | 2.7 inch |
| Resolution of display | 1,037 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display technology | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.64x | 0.64x |
| Features | ||
| Min shutter speed | 30s | 30s |
| Max shutter speed | 1/8000s | 1/4000s |
| Continuous shutter rate | 8.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 13.00 m (at ISO 100) | 13.00 m (at ISO 100) |
| Flash settings | 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 |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/180s | 1/180s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | - |
| Highest video resolution | 1920x1080 | None |
| Video format | MPEG-4, H.264 | - |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 800g (1.76 pounds) | 800g (1.76 pounds) |
| Dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO Overall rating | 80 | 65 |
| DXO Color Depth rating | 23.7 | 22.9 |
| DXO Dynamic range rating | 13.4 | 11.1 |
| DXO Low light rating | 1216 | 639 |
| Other | ||
| Battery life | 560 photos | - |
| Style of battery | Battery Pack | - |
| Battery ID | D-LI90 | D-LI50 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | Dual SD/SDHC/SDXC | SD/MMC/SDHC card |
| Card slots | Two | Single |
| Retail cost | $639 | $700 |