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

Canon EOS 40D

Winner
Canon EOS 40D

58

vs

Nikon D3100

50

Nikon D3100

Runner-up
     
 

Reasons to buy the Canon EOS 40D

Viewfinder size
Large viewfinder
0.59x
Continuous shooting
Rapid fire
6.5 fps
Viewfinder
Great viewfinder
Pentaprism
Shutter lag
Barely any delay taking photos
128 ms shutter lag
 

Reasons to buy the Nikon D3100

Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Badge
Autofocuses shooting video
Contrast detection
Sensor cleaning
Self cleaning sensor
Avoids dust in your photos
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon 40D

Report a correction
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
Cross type focus points More cross-type focus points 9 vs 1
Help
Grab focus in difficult situations
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
Help
Pentaprism viewfinders are typically brighter
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

Report a correction
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 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
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 58

vs

50 Nikon D3100 Nikon D3100
Retailer
    Style
      Color
        You save

        similarities

        Compared to recent DSLRs

        Common Strengths Common Weaknesses
        Lens availability Many lenses available Help
        40D:197 lenses
        D3100:205 lenses
        Startup delay Minimal startup delay Help
        400 ms startup delay
        Thickness Thin Help
        2.9"
        Built-in flash Each has a built-in flash Help
        External flash not needed
        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
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        Screen resolution Low resolution screens Help
        230k dots
        True resolution Capture low resolution images Help
        40D:10.1 MP
        D3100:14.2 MP
        Light sensitivity (boost) Poor boost ISO Help
        40D:3,200 ISO
        D3100:12,800 ISO
        Weather sealed Neither is weather sealed Help
        Need to shelter it from weather
        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
        Panorama Neither camera stitches together panoramas Help
        You could stitch photos in post
        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

        $319 body only

        $477 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 Rebel T3

        Canon Rebel T3

        Entry-level DSLR

        $225 - $389 body only

        $399 - $550 with 18-55mm lens

        Fastest shutter speed Has a slower max shutter speed
        Thickness Is thicker
        Canon EOS Rebel T5

        Canon EOS Rebel T5

        Entry-level DSLR

        $681 - $700 body only

        $499 - $822 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 T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 - $648 body only

        $200 - $570 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
        Nikon D90

        Nikon D90

        Entry-level DSLR

        $929 body only

        $842 - $940 with 18-105mm 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 T2i

        Canon Rebel T2i

        Entry-level DSLR

        $200 - $674 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
        Canon EOS 60D

        Canon EOS 60D

        Pro DSLR

        $650 - $699 body only

        $450 - $1,182 with 18-135mm lens

        Screen resolution Has a much higher resolution screen
        True resolution Takes slightly higher resolution photos
        Thickness Is thicker
        Weight Is significantly heavier

        Canon EOS 40D Competitors

        Advantages

        Disadvantages

        Canon EOS 50D

        Canon EOS 50D

        Pro DSLR

        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 - $1,231 body only

        $200 - $1,149 with 18-55mm lens

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

        Nikon D3100 Competitors

        Advantages

        Disadvantages

        Nikon D5100

        Nikon D5100

        Entry-level DSLR

        $378 - $415 body only

        $495 - $562 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

        $547 with 18-55mm lens

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

        appearance

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

        discussion

        Canon EOS 40D
        EOS 40D
        Canon

        Report a correction
        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...