Updated (March, 2012): Compare the Canon EOS 40D vs Nikon D3200

Canon EOS 40D

Winner
Canon EOS 40D

57

vs

Nikon D3100

52

Nikon D3100

Runner-up
     

Reasons to buy the Canon EOS 40D

Rapid fire
Continuous shooting
6.5 fps
Great viewfinder
Viewfinder
Pentaprism
Barely any delay taking photos
Shutter lag
128 ms shutter lag
Great battery life
Battery life
1100 shots
 

Reasons to buy the Nikon D3100

Movie format
Full HD
1080p @ 24fps
Supports 24p
24p movies
For that film look
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Badge
Autofocuses shooting video
Contrast detection
 

differences

Advantages of the Canon 40D

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Shutter lag
Much less shutter lag
128 ms vs 279 ms
Help
2.2x less delay when taking photos
Continuous shooting
Shoots significantly faster
6.5 fps vs 3 fps
Help
More than 2x faster continuous shooting
Viewfinder size
Larger viewfinder
0.59x vs 0.51x
Help
More than 30% larger viewfinder
Battery life
Longer battery life
1100 shots vs 550 shots
Help
2x more shots per battery charge
Viewfinder
Has a pentaprism viewfinder
Pentaprism vs Pentamirror
Help
Pentaprism viewfinders are typically brighter
Cross type focus points
More cross-type focus points
9 vs 1
Help
Grab focus in difficult situations
Fastest shutter speed
Much faster max shutter speed
1/8000s vs 1/4000s
Help
2x faster max shutter speed
Canon EOS 40D Learn more about
the Canon 40D

Advantages of the Nikon D3100

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Movie format
Shoots movies
1080p @ 24fps vs None
Help
Shoots Full HD (1080p) video as well as still pictures
Autofocus
Video autofocus
Contrast detection vs None
Help
Automatically focuses shooting video
Color depth
Better color depth
22.5 bits vs 22.1 bits
Help
Distinguishes 0.4 more bits of color
Low light performance
Slightly lower noise at high ISO
919 ISO vs 703 ISO
Help
The D3100 has a slight edge (0.4 f-stops) in low noise, high ISO performance
Overall image quality
Slightly better image quality
67.0 vs 64.0
Help
Almost the same
True resolution
Higher true resolution
14.2 MP vs 10.1 MP
Help
Capture more than 40% more detail in your photos
Size
Smaller
124x96x73 mm vs 146x108x74 mm
Help
More than 20% smaller
Weight
Significantly lighter
505 g vs 822 g
Help
Around 40% lighter
Lens availability
Slightly more lenses available
205 lenses vs 197 lenses
Help
Almost the same
Lowest price
Cheaper
$272.29 vs $1,138.00
Help
The best price we've seen is $866 cheaper (4.2x less)
Light sensitivity
Better maximum light sensitivity
3,200 ISO vs 1,600 ISO
Help
The D3100's maximum light sensitivity is 1 f-stop better
Sensor size
Slightly larger sensor
APS-C 23.1x15.4mm vs APS-C 22.2x14.8mm
Help
Around 10% larger sensor
Light sensitivity (boost)
Better boost ISO
12,800 ISO vs 3,200 ISO
Help
The D3100's boost ISO is 2 f-stops better
Nikon D3100 Learn more about
the Nikon D3100
vs

recommendations

Which camera do we recommend? Relative to the best recent DSLRs, and ignoring price

Snapsort Recommends
Canon EOS 40D Canon EOS 40D 57
Retailer
    Style
      Color
        You save

        vs

        52 Nikon D3100 Nikon D3100
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent DSLRs

              Common Strengths
              Lens availability Many lenses available Help
              40D:197 lenses
              D3100:205 lenses
              Startup delay Minimal startup delay Help
              400 ms startup delay
              Common Weaknesses
              HDR Neither has in-camera HDR Help
              You could do HDR manually
              Viewfinder coverage Below average viewfinder coverage Help
              95%
              Storage slots Fewer storage slots Help
              1
              Built-in focus motor No focus motor Help
              Won't autofocus with all lenses
              Screen resolution Low resolution screens Help
              230k dots
              True resolution Capture low resolution images Help
              40D:10.1 MP
              D3100:14.2 MP
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              Light sensitivity (boost) Poor boost ISO Help
              40D:3,200 ISO
              D3100:12,800 ISO
              Light sensitivity Poor maximum light sensitivity Help
              40D:1,600 ISO
              D3100:3,200 ISO
              Focus points Few focus points Help
              40D:9
              D3100:11
              Dynamic range Poor dynamic range Help
              11.3 EV
              Screen flips out No flip-out screens Help
              Less flexible
              Sensor size Very small sensors Help
              40D:APS-C 22.2x14.8mm
              D3100:APS-C 23.1x15.4mm
              Image stabilization No image stabilization Help
              Risk of blur
              Viewfinder size Below average viewfinder size Help
              40D:0.59x
              D3100:0.51x
              Overall image quality Low image quality Help
              40D:64.0
              D3100:67.0
              Color depth Poor color depth Help
              40D:22.1 bits
              D3100:22.5 bits
              Low light performance Above average noise at high ISO Help
              40D:703 ISO
              D3100:919 ISO

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $309 - $527 body only

              $389 - $447 with 18-55mm lens

              Overall image quality Has significantly better image quality
              Color depth Has slightly more color depth
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $449 - $499 with 18-55mm lens

              Screen resolution Has a slightly higher resolution screen
              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $389 body only

              $400 with 18-55mm lens

              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $499 - $550 body only

              $549 - $630 with 18-55mm lens

              Screen resolution Has a much higher resolution screen
              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon EOS Rebel T2i

              Canon Rebel T2i

              Entry-level DSLR

              $600 with 18-55mm lens

              Screen resolution Has a much higher resolution screen
              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Shutter lag Has significantly more shutter lag
              Nikon D90

              Nikon D90

              Entry-level DSLR

              $779 body only

              $1,004 with 55-300mm lens

              Overall image quality Has slightly better image quality
              Dynamic range Has significantly wider dynamic range
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon EOS Rebel T1i

              Canon Rebel T1i

              Entry-level DSLR

              $999 body only

              Screen resolution Has a much higher resolution screen
              Thickness Is thinner
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive

              Canon EOS 40D Competitors

              Advantages

              Disadvantages

              Canon EOS 50D

              Canon EOS 50D

              Pro DSLR

              $1,649 body only

              Screen resolution Much higher resolution screen
              Weather sealed Weather sealed
              Color depth Worse color depth
              Battery life Shorter battery life
              Canon EOS 70D

              Canon EOS 70D

              Pro DSLR

              $999 body only

              $1,129 - $1,149 with 18-55mm lens

              Movie format Shoots movies
              Screen resolution Much higher resolution screen
              Startup delay More startup delay
              Battery life Shorter battery life
              Canon EOS 7D

              Canon EOS 7D

              Pro DSLR

              $999 - $1,499 body only

              $1,099 - $1,978 with 28-135mm lens

              Movie format Shoots movies
              Screen resolution Much higher resolution screen
              Battery life Shorter battery life
              Color depth Worse color depth

              Nikon D3100 Competitors

              Advantages

              Disadvantages

              Nikon D5100

              Nikon D5100

              Entry-level DSLR

              $385 body only

              $429 - $499 with 18-55mm lens

              Screen resolution Much higher resolution screen
              Dynamic range More dynamic range
              Startup delay Slightly more startup delay
              Thickness Thicker
              Nikon D3300

              Nikon D3300

              Entry-level DSLR

              $439 - $497 with 18-55mm lens

              Screen resolution Much higher resolution screen
              Dynamic range More dynamic range
              Thickness Thicker
              Size Slightly larger

              appearance

              Canon EOS 40D Nikon D3100
              Canon EOS 40D Nikon D3100
              Canon EOS 40D Nikon D3100

              discussion

              Canon EOS 40D
              EOS 40D
              Canon

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              Nikon D3100
              D3100
              Nikon

              Report a correction

              Showing 1 comments

              Avatar for Nemanja Ćosović Nemanja Ćosović (11:11 PM, April 27, 2013)
              Bullshit... Canon 40D is galaxies far batter than 3100...