Canon 20D vs Nikon D800
59 Imaging
45 Features
39 Overall
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54 Imaging
72 Features
80 Overall
75
Canon 20D vs Nikon D800 Key Specs
(Full Review)
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fixed Screen
- ISO 100 - 6400 (Boost to 25600)
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Nikon F Mount
- 900g - 146 x 123 x 82mm
- Introduced June 2012
- Superseded the Nikon D700
- Successor is Nikon D810

Canon 20D vs Nikon D800 Overview
Its time to look a bit more closely at the Canon 20D versus Nikon D800, both Advanced DSLR digital cameras by manufacturers Canon and Nikon. There is a large difference between the image resolutions of the 20D (8MP) and D800 (36MP) and the 20D (APS-C) and D800 (Full frame) have different sensor size.

The 20D was announced 8 years earlier than the D800 and that is quite a serious difference as far as tech is concerned. The two cameras feature the same body design (Mid-size SLR).
Before diving into a more detailed comparison, here is a short highlight of how the 20D scores against the D800 with respect to portability, imaging, features and an overall rating.

Canon 20D vs Nikon D800 Gallery
Here is a preview of the gallery images for Canon EOS 20D & Nikon D800. The whole galleries are viewable at Canon 20D Gallery & Nikon D800 Gallery.
Reasons to pick Canon 20D over the Nikon D800
20D | D800 |
---|
Reasons to pick Nikon D800 over the Canon 20D
D800 | 20D | |||
---|---|---|---|---|
Introduced | June 2012 | ![]() | November 2004 | Fresher by 92 months |
Screen size | 3.2" | ![]() | 1.8" | Bigger screen (+1.4") |
Screen resolution | 921k | ![]() | 118k | Sharper screen (+803k dot) |
Common features in the Canon 20D and Nikon D800
20D | D800 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | No selfie screen | ||
Touch friendly screen | ![]() | Neither has Touch friendly screen |
Canon 20D vs Nikon D800 Physical Comparison
For anybody who is aiming to carry your camera often, you need to consider its weight and volume. The Canon 20D has physical dimensions of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") having a weight of 770 grams (1.70 lbs) while the Nikon D800 has sizing of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") accompanied by a weight of 900 grams (1.98 lbs).
Check the Canon 20D versus Nikon D800 in our brand new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will change based on the lens you have chosen at that time. Underneath is a front view physical size comparison of the 20D vs the D800.

Using size and weight, the portability grade of the 20D and D800 is 59 and 54 respectively.

Canon 20D vs Nikon D800 Sensor Comparison
Often, it is difficult to picture the gap between sensor sizing merely by checking a spec sheet. The visual here will help offer you a more clear sense of the sensor sizes in the 20D and D800.
As you can see, the 2 cameras come with different resolutions and different sensor sizing. The 20D having a tinier sensor is going to make achieving shallower depth of field more difficult and the Nikon D800 will give extra detail with its extra 28 Megapixels. Higher resolution will also let you crop shots a good deal more aggressively. The older 20D is going to be behind when it comes to sensor technology.

Canon 20D vs Nikon D800 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon 20D vs Nikon D800 Specifications
Canon EOS 20D | Nikon D800 | |
---|---|---|
General Information | ||
Manufacturer | Canon | Nikon |
Model type | Canon EOS 20D | Nikon D800 |
Class | Advanced DSLR | Advanced DSLR |
Introduced | 2004-11-03 | 2012-06-11 |
Physical type | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Processor Chip | - | Expeed 3 |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | Full frame |
Sensor measurements | 22.5 x 15mm | 35.9 x 24mm |
Sensor surface area | 337.5mm² | 861.6mm² |
Sensor resolution | 8MP | 36MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 5:4 and 3:2 |
Maximum resolution | 3504 x 2336 | 7360 x 4912 |
Maximum native ISO | 1600 | 6400 |
Maximum boosted ISO | 3200 | 25600 |
Minimum native ISO | 100 | 100 |
RAW pictures | ||
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | 9 | 51 |
Cross type focus points | - | 15 |
Lens | ||
Lens mount type | Canon EF/EF-S | Nikon F |
Total lenses | 326 | 309 |
Crop factor | 1.6 | 1 |
Screen | ||
Type of display | Fixed Type | Fixed Type |
Display size | 1.8 inches | 3.2 inches |
Resolution of display | 118k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Display tech | - | TFT Color LCD with 170 degrees wide-viewing angle |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 95 percent | 100 percent |
Viewfinder magnification | 0.56x | 0.7x |
Features | ||
Slowest shutter speed | 30s | 30s |
Maximum shutter speed | 1/8000s | 1/8000s |
Continuous shooting rate | 5.0 frames/s | 4.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | - | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 12.00 m (ISO 100) | 12.00 m (at ISO 100) |
Flash options | Auto, On, Red-eye reduction, Off | Auto, On, Off, Red-eye, Slow sync, Rear curtain, High-speed sync |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Maximum flash synchronize | - | 1/250s |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | - | 1920 x 1080 (30, 25, 24 fps), 1280 x 720 (60, 50, 30, 25 fps), 640 x 424 (24 fps) |
Maximum video resolution | None | 1920x1080 |
Video data format | - | MPEG-4, H.264 |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
GPS | None | Optional |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 770g (1.70 lb) | 900g (1.98 lb) |
Physical dimensions | 144 x 106 x 72mm (5.7" x 4.2" x 2.8") | 146 x 123 x 82mm (5.7" x 4.8" x 3.2") |
DXO scores | ||
DXO All around rating | 62 | 95 |
DXO Color Depth rating | 21.9 | 25.3 |
DXO Dynamic range rating | 11.0 | 14.4 |
DXO Low light rating | 721 | 2853 |
Other | ||
Battery life | - | 900 pictures |
Battery type | - | Battery Pack |
Battery ID | - | EN-EL15 |
Self timer | Yes (10 sec (2 sec with mirror lock-up)) | Yes (2 to 20 sec, 1 to 9 exposures at intervals of 0.5, 1, 2 or 3 sec) |
Time lapse recording | ||
Storage type | Compact Flash (Type I or II) | Compact Flash (Type I), SD/SDHC/SDXC UHS-I compliant |
Card slots | 1 | Two |
Price at launch | $1,300 | $2,999 |