Updated (February, 2012): Compare the Canon EOS 5D Mark III vs Canon EOS Digital Rebel XTi

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Reasons to buy the Canon EOS 5D Mark II

Low light performance
Low noise at high ISO
1,815 ISO
Overall image quality
Great image quality
79.0
Color depth
Great color depth
23.7 bits
Viewfinder size
Large viewfinder
0.71x
 

Reasons to buy the Canon EOS Digital Rebel XTi

Size
Really small
Prosumer size 127x94x65 mm
Thickness
Thin
2.6"
Weight
Light-weight
556 g
Built-in flash
Built-in flash
External flash not needed
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon 5D Mark II

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Screen size Much larger screen 3.0" vs 2.5"
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More than 20% larger screen
Screen resolution Much higher resolution screen 920k dots vs 230k dots
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4x higher resolution screen
Overall image quality Significantly better image quality 79.0 vs 62.0
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Around 30% better image quality
Low light performance Significantly lower noise at high ISO 1,815 ISO vs 664 ISO
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The 5D Mark II has excellent image quality 1.5 f-stops higher ISO than the Rebel XTi
Autofocus Faster autofocus Phase detection vs Contrast detection
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Catch candid moments easily
Live view Has live view Yes vs No
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Preview your photos on the camera's screen before taking them
Startup delay Much less startup delay 400 ms vs 2500 ms
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6.2x less delay when turning on
Dynamic range More dynamic range 11.9 EV vs 11 EV
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0.9 f-stops more dynamic range
Movie format Shoots movies 1080p @ 30fps vs None
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Shoots Full HD (1080p) video as well as still pictures
Viewfinder size Much larger viewfinder 0.71x vs 0.49x
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More than 2x larger viewfinder
Color depth Better color depth 23.7 bits vs 22.1 bits
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Distinguishes 1.6 more bits of color
True resolution Much higher true resolution 21 MP vs 10.1 MP
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Capture more than 2x more detail in your photos
Sensor size Much larger sensor Full frame 36.0x24.0mm vs APS-C 22.2x14.8mm
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More than 2.5x larger sensor
Weather sealed Weather sealed Yes vs No
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Sealed to shoot in the rain
Battery life Longer battery life 850 shots vs 370 shots
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Around 2.5x more shots per battery charge
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
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Pentaprism viewfinders are typically brighter
Viewfinder coverage Significantly better viewfinder coverage 98% vs 95%
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Almost the same
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 1,600 ISO
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The 5D Mark II's maximum light sensitivity is 2 f-stops better
Continuous shooting Shoots faster 3.9 fps vs 3 fps
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30% faster continuous shooting
Fastest shutter speed Much faster max shutter speed 1/8000s vs 1/4000s
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2x faster max shutter speed
Light sensitivity (boost) Has boost ISO 25,600 ISO vs None
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Allows taking photos in darker situations, often at the cost of additional noise in the image
Canon EOS 5D Mark II Learn more about
the Canon 5D Mark II

Advantages of the Canon Rebel XTi

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Lens availability More lenses available 197 lenses vs 156 lenses
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Around 30% more lenses available
Size Significantly smaller 127x94x65 mm vs 152x114x75 mm
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More than 40% smaller
Thickness Significantly thinner 2.6" vs 3"
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More than 10% thinner
Weight Significantly lighter 556 g vs 850 g
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More than 30% lighter
Built-in flash Built-in flash Yes vs No
Help
A built-in flash is useful for taking indoor shots where there is little light
Canon EOS Digital Rebel XTi Learn more about
the Canon Rebel XTi
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recommendations

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

Snapsort Recommends
Canon EOS 5D Mark II Canon EOS 5D Mark II 82
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        41 Canon EOS Digital Rebel XTi Canon EOS Digital Rebel XTi

        similarities

        Compared to recent DSLRs

        Common Strengths Common Weaknesses

        Snapsort is not aware of any interesting strengths shared by these two products.

        Storage slots Fewer storage slots Help
        1
        Autofocus No video autofocus Help
        Manual focus only
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        Built-in focus motor No focus motor Help
        Won't autofocus with all lenses
        Continuous shooting Slow continuous shooting Help
        5D Mark II:3.9 fps
        Rebel XTi:3 fps
        Light sensitivity Poor maximum light sensitivity Help
        5D Mark II:6,400 ISO
        Rebel XTi:1,600 ISO
        Screen flips out No flip-out screens Help
        Less flexible
        Panorama Neither camera stitches together panoramas Help
        You could stitch photos in post
        Image stabilization No image stabilization Help
        Risk of blur
        Dynamic range Poor dynamic range Help
        5D Mark II:11.9 EV
        Rebel XTi:11 EV

        dxomark

        DXOMark

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Canon EOS 6D

        Canon EOS 6D

        Pro DSLR

        $1,899 body only

        $1,899 - $2,499 with 24-105mm lens

        Low light performance Is slightly less noisy at high ISO
        Screen resolution Has a slightly higher resolution screen
        Fastest shutter speed Has a slower max shutter speed
        Thickness Is thicker
        Canon EOS 7D

        Canon EOS 7D

        Pro DSLR

        $999 - $1,399 body only

        $1,299 - $1,729 with 18-135mm lens

        Continuous shooting Shoots faster continuously
        Shutter lag Has slightly less shutter lag
        Thickness Is thicker
        Weight Is significantly heavier
        Canon EOS 70D

        Canon EOS 70D

        Pro DSLR

        $1,099 body only

        $200 - $1,249 with 18-55mm lens

        Screen resolution Has a slightly higher resolution screen
        Touch screen Has a touch screen
        Thickness Is thicker
        Weight Is slightly heavier
        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 - $774 body only

        $200 - $729 with 18-55mm lens

        Screen resolution Has a slightly higher resolution screen
        Screen flips out Has a screen which flips out
        Fastest shutter speed Has a slower max shutter speed
        Thickness Is thicker
        Canon EOS 60D

        Canon EOS 60D

        Pro DSLR

        $699 - $700 body only

        $450 - $1,199 with 18-135mm lens

        Screen resolution Has a slightly higher resolution screen
        Continuous shooting Shoots faster continuously
        Thickness Is thicker
        Weight Is slightly heavier
        Canon Rebel T5i

        Canon Rebel T5i

        Entry-level DSLR

        $200 - $1,148 with 18-55mm lens

        Screen resolution Has a slightly higher resolution screen
        Touch screen Has a touch screen
        Fastest shutter speed Has a slower max shutter speed
        Thickness Is thicker
        Canon EOS Rebel T2i

        Canon Rebel T2i

        Entry-level DSLR

        $579 - $600 body only

        $200 - $672 with 18-55mm lens

        Screen resolution Has a slightly higher resolution screen
        Lowest price Is slightly less expensive
        Fastest shutter speed Has a slower max shutter speed
        Shutter lag Has slightly more shutter lag

        Canon EOS 5D Mark II Competitors

        Advantages

        Disadvantages

        Canon EOS 5D Mark III

        Canon EOS 5D Mark III

        Pro DSLR

        $3,399 body only

        $3,990 - $3,999 with 24-105mm lens

        Cross type focus points Many more cross-type focus points
        Screen size Significantly larger screen
        Dynamic range Less dynamic range
        Startup delay Slightly more startup delay
        Nikon D700

        Nikon D700

        Pro DSLR

        $3,300 body only

        Low light performance Lower noise at high ISO
        Focus points Many more focus points
        Movie format Does not take movies
        True resolution Much lower true resolution
        Nikon D7100

        Nikon D7100

        Entry-level DSLR

        $1,097 body only

        $1,320 - $1,397 with 18-140mm lens

        Dynamic range More dynamic range
        Screen resolution Significantly higher resolution screen
        Low light performance More noise at high ISO
        Sensor size Much smaller sensor

        Canon EOS Digital Rebel XTi Competitors

        Advantages

        Disadvantages

        Canon Rebel T3

        Canon Rebel T3

        Entry-level DSLR

        $290 - $370 body only

        $399 - $499 with 18-55mm lens

        Autofocus Faster autofocus
        Live view Has live view
        Sensor cleaning Lacks a self cleaning sensor
        Shutter lag Significantly more shutter lag
        Canon EOS Digital Rebel XS

        Canon EOS Digital Rebel XS

        Entry-level DSLR

        $600 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 Digital Rebel XSi

        Canon EOS Digital Rebel XSi

        Entry-level DSLR

        $695 with 18-55mm lens

        Screen size Much larger screen
        Autofocus Faster autofocus
        Color depth Worse color depth
        Dynamic range Less dynamic range
        Placeholder

        Canon EOS Digital Rebel XT

        Entry-level DSLR

        $480 with 18-55mm lens

        Thickness Slightly thinner
        Screen size Much smaller screen
        Color depth Worse color depth
        Nikon D3100

        Nikon D3100

        Entry-level DSLR

        $278 body only

        $375 - $427 with 18-55mm lens

        Screen size Much larger screen
        Autofocus Faster autofocus
        Shutter lag More shutter lag
        Thickness Significantly thicker

        appearance

        Canon EOS 5D Mark II Canon EOS Digital Rebel XTi
        Canon EOS 5D Mark II Canon EOS Digital Rebel XTi
        Canon EOS 5D Mark II Canon EOS Digital Rebel XTi

        discussion

        Canon EOS 5D Mark II
        EOS 5D Mark II
        Canon

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        Canon EOS Digital Rebel XTi
        EOS Digital Rebel XTi
        Canon

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