Canon 20D vs Pentax K-3
59 Imaging
45 Features
39 Overall
42


59 Imaging
65 Features
85 Overall
73
Canon 20D vs Pentax K-3 Key Specs
(Full Review)
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Introduced April 2014
- Updated by Pentax K-3 II

Canon 20D vs Pentax K-3 Overview
Lets look a bit more closely at the Canon 20D vs Pentax K-3, both Advanced DSLR digital cameras by companies Canon and Pentax. There exists a significant gap between the resolutions of the 20D (8MP) and K-3 (24MP) but both cameras posses the identical sensor size (APS-C).

The 20D was brought out 10 years before the K-3 which is quite a sizable gap as far as technology is concerned. The two cameras feature the same body design (Mid-size SLR).
Before getting right into a detailed comparison, here is a brief introduction of how the 20D matches up versus the K-3 when it comes to portability, imaging, features and an overall score.

Canon 20D vs Pentax K-3 Gallery
Here is a preview of the gallery photos for Canon EOS 20D and Pentax K-3. The entire galleries are available at Canon 20D Gallery and Pentax K-3 Gallery.
Reasons to pick Canon 20D over the Pentax K-3
20D | K-3 |
---|
Reasons to pick Pentax K-3 over the Canon 20D
K-3 | 20D | |||
---|---|---|---|---|
Introduced | April 2014 | ![]() | November 2004 | More modern by 114 months |
Screen size | 3.2" | ![]() | 1.8" | Bigger screen (+1.4") |
Screen resolution | 1037k | ![]() | 118k | Clearer screen (+919k dot) |
Common features in the Canon 20D and Pentax K-3
20D | K-3 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Absent selfie screen | ||
Touch friendly screen | ![]() | Absent Touch friendly screen |
Canon 20D vs Pentax K-3 Physical Comparison
If you're planning to carry around your camera regularly, you need to think about its weight and measurements. The Canon 20D has got physical dimensions of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") with a weight of 770 grams (1.70 lbs) whilst the Pentax K-3 has proportions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).
Look at the Canon 20D vs Pentax K-3 in the new Camera and Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at that moment. Following is a front view measurements comparison of the 20D vs the K-3.

Taking into consideration dimensions and weight, the portability rating of the 20D and K-3 is 59 and 59 respectively.

Canon 20D vs Pentax K-3 Sensor Comparison
Quite often, it is tough to picture the contrast between sensor sizes only by looking at specs. The pic here will help provide you a more clear sense of the sensor dimensions in the 20D and K-3.
All in all, both of those cameras feature the identical sensor size albeit different MP. You should count on the Pentax K-3 to resolve greater detail having its extra 16 Megapixels. Higher resolution will also help you crop pictures way more aggressively. The more aged 20D is going to be disadvantaged when it comes to sensor technology.

Canon 20D vs Pentax K-3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon 20D vs Pentax K-3 Specifications
Canon EOS 20D | Pentax K-3 | |
---|---|---|
General Information | ||
Brand | Canon | Pentax |
Model | Canon EOS 20D | Pentax K-3 |
Class | Advanced DSLR | Advanced DSLR |
Launched | 2004-11-03 | 2014-04-10 |
Physical type | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Chip | - | Prime III |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor measurements | 22.5 x 15mm | 23.5 x 15.6mm |
Sensor area | 337.5mm² | 366.6mm² |
Sensor resolution | 8MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 |
Full resolution | 3504 x 2336 | 6016 x 4000 |
Max native ISO | 1600 | 51200 |
Max boosted ISO | 3200 | - |
Minimum native ISO | 100 | 100 |
RAW format | ||
Autofocusing | ||
Manual focus | ||
AF touch | ||
AF continuous | ||
AF single | ||
AF tracking | ||
Selective AF | ||
Center weighted AF | ||
Multi area AF | ||
AF live view | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | 9 | 27 |
Cross focus points | - | 25 |
Lens | ||
Lens mount | Canon EF/EF-S | Pentax KAF2 |
Amount of lenses | 326 | 151 |
Focal length multiplier | 1.6 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen diagonal | 1.8" | 3.2" |
Resolution of screen | 118 thousand dots | 1,037 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Screen tech | - | TFT LCD monitor |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 95% | 100% |
Viewfinder magnification | 0.56x | 0.64x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/8000s | 1/8000s |
Continuous shooting rate | 5.0 frames per sec | 8.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | - | Yes |
Set WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 12.00 m (ISO 100) | 13.00 m (at ISO 100) |
Flash settings | Auto, On, Red-eye reduction, Off | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual |
External flash | ||
AEB | ||
WB bracketing | ||
Highest flash synchronize | - | 1/180s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | - | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) |
Max video resolution | None | 1920x1080 |
Video file format | - | MPEG-4, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
GPS | None | Optional |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 770g (1.70 lbs) | 800g (1.76 lbs) |
Physical dimensions | 144 x 106 x 72mm (5.7" x 4.2" x 2.8") | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") |
DXO scores | ||
DXO All around score | 62 | 80 |
DXO Color Depth score | 21.9 | 23.7 |
DXO Dynamic range score | 11.0 | 13.4 |
DXO Low light score | 721 | 1216 |
Other | ||
Battery life | - | 560 shots |
Type of battery | - | Battery Pack |
Battery model | - | D-LI90 |
Self timer | Yes (10 sec (2 sec with mirror lock-up)) | Yes ( 2 or 12 seconds) |
Time lapse recording | ||
Type of storage | Compact Flash (Type I or II) | Dual SD/SDHC/SDXC |
Card slots | One | 2 |
Launch price | $1,300 | $639 |