Updated (March, 2012): Compare the Canon EOS Digital Rebel XTi vs Nikon D3200

Nikon D3100

Winner
Nikon D3100

54

vs

Canon EOS Digital Rebel XTi

35

Canon EOS Digital Rebel XTi

Runner-up
     

Reasons to buy the Nikon D3100

Full HD
Movie format
1080p @ 24fps
Has live view
Live view
Preview your photos
Almost no delay when powering up
Startup delay
400 ms startup delay
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
 

Reasons to buy the Canon EOS Digital Rebel XTi

Shutter lag
Barely any delay taking photos
200 ms shutter lag
Size
Really small
Prosumer size 127x94x65 mm
Sensor cleaning
Self cleaning sensor
Avoids dust in your photos
Sensor type
CMOS Sensor
Better in low light
 

differences

Advantages of the Canon Rebel XTi

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Shutter lag
Less shutter lag
200 ms vs 279 ms
Help
Around 30% less delay when taking photos
Size
Smaller
127x94x65 mm vs 124x96x73 mm
Help
More than 10% smaller
Thickness
Much thinner
2.6" vs 2.9"
Help
More than 10% thinner
Canon EOS Digital Rebel XTi Learn more about
the Canon Rebel XTi

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
Screen size
Much larger screen
3.0" vs 2.5"
Help
More than 20% larger screen
Live view
Has live view
Yes vs No
Help
Preview your photos on the camera's screen before taking them
Startup delay
Much less startup delay
400 ms vs 2500 ms
Help
6.2x less delay when turning on
Low light performance
Lower noise at high ISO
919 ISO vs 664 ISO
Help
The D3100 has a slight edge (0.5 f-stops) in low noise, high ISO performance
Autofocus
Faster autofocus
Phase detection vs Contrast detection
Help
Catch candid moments easily
Autofocus
Video autofocus
Contrast detection vs None
Help
Automatically focuses shooting video
Overall image quality
Better image quality
67.0 vs 62.0
Help
Around 10% better image quality
Sensor size
Significantly larger sensor
APS-C 23.1x15.4mm vs APS-C 22.2x14.8mm
Help
Around 10% larger sensor
True resolution
Higher true resolution
14.2 MP vs 10.1 MP
Help
Capture more than 40% more detail in your photos
Dynamic range
More dynamic range
11.3 EV vs 11 EV
Help
0.3 f-stops more dynamic range
Lowest price
Much cheaper
$272.29 vs $999.95
Help
The best price we've seen is $728 cheaper (3.7x less)
Color depth
Better color depth
22.5 bits vs 22.1 bits
Help
Distinguishes 0.4 more bits of color
Battery life
Longer battery life
550 shots vs 370 shots
Help
Around 50% more shots per battery charge
Light sensitivity (boost)
Has boost ISO
12,800 ISO vs None
Help
Allows taking photos in darker situations, often at the cost of additional noise in the image
Viewfinder size
Slightly larger viewfinder
0.51x vs 0.49x
Help
Around 10% larger viewfinder
Lens availability
Slightly more lenses available
205 lenses vs 197 lenses
Help
Almost the same
Weight
Lighter
505 g vs 556 g
Help
Around 10% lighter
Nikon D3100 Learn more about
the Nikon D3100
vs

recommendations

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

Snapsort Recommends
Canon EOS Digital Rebel XTi Canon EOS Digital Rebel XTi 35
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    Style
      Color
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        vs

        54 Nikon D3100 Nikon D3100
        Retailer
          Style
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              similarities

              Compared to recent entry-level DSLRs

              Common Strengths
              Lens availability Many lenses available Help
              Rebel XTi:197 lenses
              D3100:205 lenses
              Size Fairly small Help
              Rebel XTi:127x94x65 mm
              D3100:124x96x73 mm
              Common Weaknesses
              Fastest shutter speed Slow max shutter speed Help
              1/4000 of a second
              Light sensitivity (boost) One has boost ISO Help
              Rebel XTi:None
              D3100:12,800 ISO
              HDR Neither has in-camera HDR Help
              You could do HDR manually
              Viewfinder coverage Below average viewfinder coverage Help
              95%
              Continuous shooting Slow continuous shooting Help
              3 fps
              True resolution Capture low resolution images Help
              Rebel XTi:10.1 MP
              D3100:14.2 MP
              Screen resolution Low resolution screens Help
              230k dots
              Light sensitivity Poor maximum light sensitivity Help
              Rebel XTi:1,600 ISO
              D3100:3,200 ISO
              Viewfinder size Below average viewfinder size Help
              Rebel XTi:0.49x
              D3100:0.51x
              Image stabilization No image stabilization Help
              Risk of blur
              Dynamic range Poor dynamic range Help
              Rebel XTi:11 EV
              D3100:11.3 EV
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              Screen flips out No flip-out screens Help
              Less flexible
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post
              Movie format One shoots movies Help
              Rebel XTi:None
              D3100:1080p @ 24fps
              Overall image quality Low image quality Help
              Rebel XTi:62.0
              D3100:67.0
              Low light performance Above average noise at high ISO Help
              Rebel XTi:664 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

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has significantly better image quality
              Thickness Is thicker
              Size Is significantly larger
              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
              Lowest price Is significantly more expensive
              Thickness Is thicker
              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $389 body only

              $400 with 18-55mm lens

              Battery life Has a slightly longer battery life
              Lowest price Is slightly more expensive
              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
              Lowest price Is significantly more expensive
              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
              Lowest price Is much more expensive
              Shutter lag Has slightly more shutter lag
              Canon Rebel T5i

              Canon Rebel T5i

              Entry-level DSLR

              $599 - $699 body only

              $597 - $700 with 18-55mm lens

              Screen resolution Has a much higher resolution screen
              True resolution Takes slightly higher resolution photos
              Lowest price Is much more expensive
              Thickness Is thicker
              Nikon D3000

              Nikon D3000

              Entry-level DSLR

              $359 body only

              $500 with 18-55mm lens

              Sensor size Has a slightly larger sensor
              Lowest price Is slightly more expensive
              Sensor type Has a CCD-family sensor

              Canon EOS Digital Rebel XTi Competitors

              Advantages

              Disadvantages

              Canon EOS Digital Rebel XS

              Canon EOS Digital Rebel XS

              Entry-level DSLR

              $715 body only

              Startup delay Much less startup delay
              Live view Has live view
              Dynamic range Less dynamic range
              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

              Overall image quality Significantly better image quality
              Screen resolution Much higher resolution screen
              Size Larger
              Startup delay Slightly more startup delay
              Nikon D3300

              Nikon D3300

              Entry-level DSLR

              $439 - $497 with 18-55mm lens

              Low light performance Significantly lower noise at high ISO
              Movie format Higher frame rate movies
              Lowest price More expensive
              Size Larger
              Nikon D90

              Nikon D90

              Entry-level DSLR

              $779 body only

              $1,004 with 55-300mm lens

              Screen resolution Much higher resolution screen
              Dynamic range More dynamic range
              Movie format Lower resolution movies
              Autofocus Lacks video autofocus

              appearance

              Canon EOS Digital Rebel XTi Nikon D3100
              Canon EOS Digital Rebel XTi Nikon D3100
              Canon EOS Digital Rebel XTi Nikon D3100

              discussion

              Canon EOS Digital Rebel XTi
              EOS Digital Rebel XTi
              Canon

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              Nikon D3100
              D3100
              Nikon

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