Camera Rocket Review Our evaluation of 6D vs 40D

Image Quality

RAW image quality independent of lens

EOS 6D
n.d.
EOS 40D
n.d.
DxOMark Low light, DxOMark Color depth, DxOMark Dynamic range and 1 more

Focusing

How fast and easily does the camera nail focus

EOS 6D
5.9
EOS 40D
5.7
focus points

Responsiveness

How much delay is there between you and your photo?

EOS 6D
10.0
EOS 40D
10.0
continuous shooting

Reviews

What do the experts think?

EOS 6D
9.3
EOS 40D
9.3
Reviews from canonwatch.com, 1001noisycameras.com, imaging-resource.com, dpreview.com and 5 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

EOS 6D
8.9
EOS 40D
8.9

Winner
Canon EOS 40D 

Camera Rocket recommends the Canon EOS 40D  based on its .

See full details

Benchmarks Real world tests of EOS 6D vs 40D

Low light image quality Highest ISO setting that still achieves great image quality

EOS 6D
2,340 ISO
EOS 40D
703 ISO

Resolution Results from photos of standard resolution charts

EOS 6D
2,800 LPH
EOS 40D
2,000 LPH

Focus lag Delay between fully pressing shutter to image capture

EOS 6D
290 ms
EOS 40D
128 ms

Shutter lag Delay to take a photo when prefocused

EOS 6D
59 ms
EOS 40D
61 ms

Startup delay Delay from power on to first photo

EOS 6D
500 ms
EOS 40D
400 ms

Continuous shooting Delay between fully pressing shutter to image capture

EOS 6D
4.5 fps
EOS 40D
6.5 fps

Features Key features of the EOS 6D  vs 40D 

Megapixels Maximum resolution images are captured at

EOS 6D
20.9 MP
EOS 40D
10.1 MP

Max ISO Maximum light sensitivity of the sensor

EOS 6D
102,400 ISO
EOS 40D
3,200 ISO

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

EOS 6D
3"
EOS 40D
3"

Viewfinder size Large viewfinders are brighter and more comfortable to use

EOS 6D
0.71x
EOS 40D
0.59x

Pixel size How much area of the sensor is dedicated to each pixel

EOS 6D
41.0 microns
EOS 40D
32.6 microns

Reviews Word on the street

EOS 6D  vs 40D 

8.0
9.0
Shooting into the sun with bright reflections off the sea is an exposure nightmare, but the additional dynamic range of the 14-bit RAW mode has coped admirably.
EOS 40D

8.0
8.5
Another salient improvement is the Digic III image processor, which gives wonderfully smooth but rich colours throughout the range.
EOS 40D

Overall

8.5 Out of 10
8.7 Out of 10

Specifications Full list of technical specs

sensor

EOS 6D  vs
40D 
Type CMOS CMOS
Megapixels 20.9 MP 10.1 MP
Resolution 5720 x 3648 3888 x 2592
Size Full frame APS-C
Area 35.8 x 23.9 mm 22.2 x 14.8 mm
Crop factor 1.0x 1.6x
Pixel size 41.0 microns 32.6 microns
Light sensitivity 100 ISO to 25,600 ISO 100 ISO to 1,600 ISO
Light sensitivity (Boost) 50 ISO to 102,400 ISO 1,600 ISO to 3,200 ISO
Codecs
RAW
JPEG
CR2
Self cleaning sensor Yes Yes
Tested vertical resolution 2,800 LPH 2,000 LPH
Tested horizontal resolution 2,800 LPH 2,000 LPH

focus system

Type Phase detection Phase detection
Focus points 11 9
Cross type focus points 1 9

shutter

Min 30 s 30 s
Max 1/4000 s 1/8000 s

form factor

Size 145 x 111 x 71 mm 146 x 108 x 74 mm
Thickness 71 mm 74 mm
Weight 770 g 822 g
Is weather sealed Yes No

features

Includes a GPS Yes No
Supports HDR Yes No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization

video

EOS 6D  vs
40D 
Video 1920 x 1080 @ 30 fps None
Shoots video in 24p Yes N/A
Shoots high speed video No N/A
External mic jack 3.5mm N/A
Autofocus while shooting video Manual N/A
Autofocus type N/A N/A
Autofocus supports continuous N/A N/A

display

Type LCD LCD
Size 3" 3"
Resolution 1,040 k dots 230 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view Yes Yes

viewfinder

Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentaprism Pentaprism
Coverage 97% 95%
Magnification 0.71x 0.95x
Viewfinder size 0.71x 0.59x

performance

Max continuous shooting 4.5 fps 6.5 fps
Battery life 980 1,100
Continuous shooting
6.5 fps, JPEG
4.5 fps
Focus lag 290 ms 128 ms
Shutter lag 59 ms 61 ms
Startup delay 500 ms 400 ms
Canon EOS 6D
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Canon EOS 40D
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