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

Canon EOS 5D Mark II

Winner
Canon EOS 5D Mark II

83

vs

Canon EOS Digital Rebel XTi

43

Canon EOS Digital Rebel XTi

Runner-up
     

Reasons to buy the Canon EOS 5D Mark II

Low noise at high ISO
Low light performance
1,815 ISO
Great image quality
Overall image quality
79.0
Full HD
Movie format
1080p @ 30fps
Great color depth
Color depth
23.7 bits
 

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

Advantages of the Canon 5D Mark II

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Movie format
Shoots movies
1080p @ 30fps 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
Startup delay
Much less startup delay
400 ms vs 2500 ms
Help
6.2x less delay when turning on
Low light performance
Significantly lower noise at high ISO
1,815 ISO vs 664 ISO
Help
The 5D Mark II has excellent image quality 1.5 f-stops higher ISO than the Rebel XTi
Screen resolution
Much higher resolution screen
920k dots vs 230k dots
Help
4x higher resolution screen
Overall image quality
Significantly better image quality
79.0 vs 62.0
Help
Around 30% better image quality
Live view
Has live view
Yes vs No
Help
Preview your photos on the camera's screen before taking them
Autofocus
Faster autofocus
Phase detection vs Contrast detection
Help
Catch candid moments easily
Dynamic range
More dynamic range
11.9 EV vs 11 EV
Help
0.9 f-stops more dynamic range
Viewfinder size
Much larger viewfinder
0.71x vs 0.49x
Help
More than 2x larger viewfinder
Color depth
Better color depth
23.7 bits vs 22.1 bits
Help
Distinguishes 1.6 more bits of color
True resolution
Much higher true resolution
21 MP vs 10.1 MP
Help
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
Help
More than 2.5x larger sensor
Weather sealed
Weather sealed
Yes vs No
Help
Sealed to shoot in the rain
Battery life
Longer battery life
850 shots vs 370 shots
Help
Around 2.5x more shots per battery charge
Viewfinder
Has a pentaprism viewfinder
Pentaprism vs Pentamirror
Help
Pentaprism viewfinders are typically brighter
Viewfinder coverage
Significantly better viewfinder coverage
98% vs 95%
Help
Almost the same
Continuous shooting
Shoots faster
3.9 fps vs 3 fps
Help
30% faster continuous shooting
Light sensitivity
Better maximum light sensitivity
6,400 ISO vs 1,600 ISO
Help
The 5D Mark II's maximum light sensitivity is 2 f-stops better
Fastest shutter speed
Much faster max shutter speed
1/8000s vs 1/4000s
Help
2x faster max shutter speed
Light sensitivity (boost)
Has boost ISO
25,600 ISO vs None
Help
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
Help
Around 30% more lenses available
Size
Significantly smaller
127x94x65 mm vs 152x114x75 mm
Help
More than 40% smaller
Thickness
Significantly thinner
2.6" vs 3"
Help
More than 10% thinner
Weight
Significantly lighter
556 g vs 850 g
Help
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
Lowest price
Significantly cheaper
$999.95 vs $2,494.73
Help
The best price we've seen is $1,495 cheaper (2.5x less)
Canon EOS Digital Rebel XTi Learn more about
the Canon Rebel XTi
vs

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 83
Retailer
    Style
      Color
        You save

        vs

        43 Canon EOS Digital Rebel XTi Canon EOS Digital Rebel XTi
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent DSLRs

              Common Strengths

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

              Common Weaknesses
              HDR Neither has in-camera HDR Help
              You could do HDR manually
              Storage slots Fewer storage slots Help
              1
              Autofocus No video autofocus Help
              Manual focus only
              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
              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 7D

              Canon EOS 7D

              Pro DSLR

              $999 - $1,499 body only

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

              $999 body only

              $1,129 - $1,149 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 - $550 body only

              $549 - $630 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 - $1,000 body only

              $959 - $1,182 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

              $599 - $699 body only

              $597 - $700 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

              $600 with 18-55mm lens

              Screen resolution Has a slightly higher resolution screen
              Thickness Is thinner
              Fastest shutter speed Has a slower max shutter speed
              Shutter lag Has slightly more shutter lag
              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $319 - $527 body only

              $389 - $447 with 18-55mm lens

              Dynamic range Has slightly wider dynamic range
              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker

              Canon EOS 5D Mark II Competitors

              Advantages

              Disadvantages

              Canon EOS 6D

              Canon EOS 6D

              Pro DSLR

              $1,519 - $1,899 body only

              $2,299 - $2,499 with 24-105mm lens

              HDR Has in-camera HDR
              Low light performance Lower noise at high ISO
              Shutter lag More shutter lag
              Startup delay Slightly more startup delay
              Canon EOS 5D Mark III

              Canon EOS 5D Mark III

              Pro DSLR

              $3,099 - $3,399 body only

              $3,699 - $3,999 with 24-105mm lens

              HDR Has in-camera HDR
              Cross type focus points Many more cross-type focus points
              Dynamic range Less dynamic range
              Startup delay Slightly more startup delay
              Nikon D700

              Nikon D700

              Pro DSLR

              $4,337 body only

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

              Nikon D7100

              Entry-level DSLR

              $897 - $1,097 body only

              $1,197 - $1,240 with 18-140mm lens

              HDR Has in-camera HDR
              Dynamic range More dynamic range
              Low light performance More noise at high ISO
              Viewfinder size Significantly smaller viewfinder

              Canon EOS Digital Rebel XTi Competitors

              Advantages

              Disadvantages

              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $389 - $418 body only

              $399 - $520 with 18-55mm lens

              Startup delay Much less startup delay
              Movie format Shoots movies
              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

              $715 body only

              Startup delay Much less startup delay
              Live view Has live view
              Dynamic range Less dynamic range
              Color depth Worse color depth
              Canon EOS Digital Rebel XSi

              Canon EOS Digital Rebel XSi

              Entry-level DSLR

              $899 body only

              $450 with 18-55mm lens

              Screen size Much larger screen
              Startup delay Much less startup delay
              Color depth Worse color depth
              Dynamic range Less dynamic range
              Nikon D3100

              Nikon D3100

              Entry-level DSLR

              $272 body only

              $390 - $409 with 18-55mm lens

              Movie format Shoots movies
              Screen size Much larger screen
              Shutter lag More shutter lag
              Thickness Significantly thicker
              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $449 - $450 with 18-55mm lens

              Movie format Shoots movies
              Screen size Much larger screen
              Sensor cleaning Lacks a self cleaning sensor
              Color depth Worse color depth

              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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