Canon EOS
5D Mark II
 vs
Nikon
D3100

General

 Canon EOS 5D Mark II Nikon D3100
Brand
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 Canon Nikon
Lowest price
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 $2,198.00 $499.99
Announced
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 September, 2008 August, 2010

Sensor
Type
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 CMOS CMOS
Size
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 Full frame 36.0x24.0mm APS-C 23.1x15.4mm
Crop factor
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 1x 1.6x
Megapixels
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 21 MP 14.2 MP
Light sensitivity
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 6,400 ISO 3,200 ISO
Light sensitivity (boost)
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 25,600 ISO 12,800 ISO
Sensor cleaning
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 Yes Yes

Sensor (Advanced)
True resolution
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 21 MP 14.2 MP
Native resolution
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 5616 x 3744 4608 x 3072
Pixel size
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 41.1 µm² 25.1 µm²

Screen
Type
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 LCD LCD
Size
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 3.0" 3.0"
Resolution
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 920k dots 230k dots
Touch screen
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 No No
Flips out
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 No No
Live view
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 Yes Yes

Lenses
Lens availability
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 125 lenses 169 lenses
Lens focus motor
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 Yes No
Lens mount
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 Canon EF (Full-frame) Nikon F

Form factor
Size
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 152x114x75 mm 124x96x73 mm
Depth
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 3" 2.9"
Weight
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 850 g 505 g
Interchangeable lenses
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 Yes Yes
Waterproof
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 No No
Weather sealed
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 Yes No

Viewfinder
Type
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 Pentaprism Pentamirror
Viewfinder size
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 0.71x 0.51x
Coverage
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 98% 95%

Movies
Format
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 1080p @ 30fps 1080p @ 24fps
Supports 24p
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 Yes Yes
High-speed framerate
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 None None
External mic jack
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 Yes No
Autofocus
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 None Contrast detection
Continuous focus
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 n/a Yes
All formats
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 1080p @ 24fps
480p @ 30fps
1080p @ 30fps		 720p @ 30fps
640 x 424 @ 24fps
1080p @ 24fps
720p @ 24fps
720p @ 25fps

Features
Panorama
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 No No
HDR
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 No No
3D
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 No No
Image stabilization
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 None None
Supports RAW
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 Yes Yes
GPS
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 No No

Performance
Startup delay
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 400 ms 400 ms
Shutter lag
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 206 ms 279 ms
Battery life
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 850 shots 550 shots
Continuous shooting
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 3.9 fps 3 fps

Focus system
Autofocus
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 Phase detection Phase detection
Focus points
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 9 11
Cross type focus points
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 1 1

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

Flash
Built-in flash
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 No Yes
Popup
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 n/a Yes
External connection
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 Yes Yes

Storage
Storage slots
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 1 1
Supported formats
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 CompactFlash (Type II)
CompactFlash (Type I)		 SDXC
SDHC
SD

DXO Mark Scores
Image quality
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 79.0 67.0
Color depth
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 23.7 bits 22.5 bits
Dynamic range
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 11.9 EV 11.3 EV
Low light performance
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 1,815 ISO 919 ISO