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

Nikon D3100

Winner
Nikon D3100

54

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Reasons to buy the Nikon D3100

Movie format
Full HD
1080p @ 24fps
Screen size
Large screen
3.0"
Live view
Has live view
Preview your photos
Startup delay
Almost no delay when powering up
400 ms startup delay
 

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 | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon Rebel XTi

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Shutter lag Less shutter lag 200 ms vs 279 ms
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Around 30% less delay when taking photos
Size Significantly 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
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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
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
Startup delay Much less startup delay 400 ms vs 2500 ms
Help
6.2x less delay when turning on
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
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
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
Weight Lighter 505 g vs 556 g
Help
Around 10% lighter
Nikon D3100 Learn more about
the Nikon D3100
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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 34

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54 Nikon D3100 Nikon D3100
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      Color
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        similarities

        Compared to recent entry-level DSLRs

        Common Strengths Common Weaknesses
        Lens availability Many lenses available Help
        Rebel XTi:197 lenses
        D3100:205 lenses
        Size Fairly small Help
        Rebel XTi:127x94x65 mm
        D3100:124x96x73 mm
        Thickness Thin Help
        Rebel XTi:2.6"
        D3100:2.9"
        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
        Viewfinder coverage Below average viewfinder coverage Help
        95%
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        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
        Dynamic range Poor dynamic range Help
        Rebel XTi:11 EV
        D3100:11.3 EV
        Screen flips out No flip-out screens Help
        Less flexible
        Image stabilization No image stabilization Help
        Risk of blur
        Weather sealed Neither is weather sealed Help
        Need to shelter it from weather
        Panorama Neither camera stitches together panoramas Help
        You could stitch photos in post
        Autofocus Lacks video autofocus Help
        Rebel XTi:None
        D3100:Contrast detection
        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

        dxomark

        DXOMark

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Nikon D3200

        Nikon D3200

        Entry-level DSLR

        $319 - $656 body only

        $399 - $477 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 Rebel T3

        Canon Rebel T3

        Entry-level DSLR

        $276 - $290 body only

        $350 - $409 with 18-55mm lens

        Battery life Has a slightly longer battery life
        Thickness Is thicker
        Sensor cleaning Lacks a self cleaning sensor
        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $480 - $774 body only

        $200 - $617 with 18-55mm lens

        Screen resolution Has a much higher resolution screen
        True resolution Takes slightly higher resolution photos
        Thickness Is thicker
        Weight Is slightly heavier
        Nikon D5100

        Nikon D5100

        Entry-level DSLR

        $370 - $400 body only

        $485 - $590 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 much larger
        Canon EOS Rebel T2i

        Canon Rebel T2i

        Entry-level DSLR

        $450 body only

        $200 - $400 with 18-55mm lens

        Screen resolution Has a much higher resolution screen
        True resolution Takes slightly higher resolution photos
        Shutter lag Has slightly more shutter lag
        Nikon D3000

        Nikon D3000

        Entry-level DSLR

        $330 body only

        $350 - $398 with 18-55mm lens

        Sensor size Has a slightly larger sensor
        Sensor type Has a CCD-family sensor
        Shutter lag Has slightly more shutter lag
        Canon EOS Digital Rebel XSi

        Canon EOS Digital Rebel XSi

        Entry-level DSLR

        $480 with 18-55mm lens

        Shutter lag Has slightly less shutter lag
        Thickness Is thinner
        Lowest price Is slightly more expensive
        Color depth Has slightly less color depth

        Canon EOS Digital Rebel XTi Competitors

        Advantages

        Disadvantages

        Canon EOS Digital Rebel XS

        Canon EOS Digital Rebel XS

        Entry-level DSLR

        $430 with 18-55mm lens

        Live view Has live view
        Startup delay Much less startup delay
        Dynamic range Less dynamic range
        Color depth Worse color depth
        Canon EOS 40D

        Canon EOS 40D

        Pro DSLR

        $873 body only

        Screen size Much larger screen
        Live view Has live view
        Size Much larger
        Weight Much heavier

        Nikon D3100 Competitors

        Advantages

        Disadvantages

        Canon EOS Rebel T5

        Canon EOS Rebel T5

        Entry-level DSLR

        $599 - $681 body only

        $499 - $823 with 18-55mm lens

        Screen resolution Higher resolution screen
        True resolution Higher true resolution
        Low light performance More noise at high ISO
        Color depth Worse color depth
        Nikon D3300

        Nikon D3300

        Entry-level DSLR

        $597 with 18-55mm lens

        Low light performance Significantly lower noise at high ISO
        Overall image quality Significantly better image quality
        Startup delay Much more startup delay
        Lowest price Significantly more expensive
        Nikon D90

        Nikon D90

        Entry-level DSLR

        $575 - $629 body only

        $848 - $966 with 18-105mm 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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