Updated (May, 2012): Compare the Canon Rebel T4i vs Canon EOS 20D

Canon Rebel T3i

Winner
Canon Rebel T3i

58

vs

Canon EOS 20D

31

Canon EOS 20D

Runner-up
     

Reasons to buy the Canon Rebel T3i

Full HD
Movie format
1080p @ 30fps
Large screen
Screen size
3.0"
High resolution screen
Screen resolution
1,040k dots
Has live view
Live view
Preview your photos
 

Reasons to buy the Canon EOS 20D

Viewfinder
Great viewfinder
Pentaprism
Thickness
Thin
2.8"
Fastest shutter speed
Fast shutter speed
1/8000 of a second
 

differences

Advantages of the Canon T3i

Report a correction
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 1.8"
Help
Around 70% larger screen
Screen resolution
Much higher resolution screen
1,040k dots vs 118k dots
Help
Around 9x higher resolution screen
Live view
Has live view
Yes vs No
Help
Preview your photos on the camera's screen before taking them
True resolution
Much higher true resolution
17.9 MP vs 8.2 MP
Help
Capture more than 2x more detail in your photos
Screen flips out
Has a flip-out screen
Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Dynamic range
More dynamic range
11.5 EV vs 11 EV
Help
0.5 f-stops more dynamic range
Color depth
Better color depth
22.1 bits vs 21.9 bits
Help
Distinguishes 0.2 more bits of color
Low light performance
Slightly lower noise at high ISO
793 ISO vs 721 ISO
Help
The T3i has a slight edge (0.1 f-stops) in low noise, high ISO performance
Lowest price
Much cheaper
$499.00 vs $1,831.21
Help
The best price we've seen is $1,332 cheaper (3.7x less)
Overall image quality
Better image quality
65.0 vs 62.0
Help
Almost the same
Light sensitivity (boost)
Better boost ISO
12,800 ISO vs 3,200 ISO
Help
The T3i's boost ISO is 2 f-stops better
Weight
Significantly lighter
570 g vs 770 g
Help
Around 30% lighter
Light sensitivity
Better maximum light sensitivity
6,400 ISO vs 1,600 ISO
Help
The T3i's maximum light sensitivity is 2 f-stops better
Size
Smaller
133x99x79 mm vs 144x106x72 mm
Help
Almost the same
Canon Rebel T3i Learn more about
the Canon T3i

Advantages of the Canon 20D

Continuous shooting
Shoots faster
5 fps vs 3.7 fps
Help
Around 40% faster continuous shooting
Viewfinder size
Larger viewfinder
0.56x vs 0.53x
Help
More than 10% larger viewfinder
Viewfinder
Has a pentaprism viewfinder
Pentaprism vs Pentamirror
Help
Pentaprism viewfinders are typically brighter
Thickness
Significantly thinner
2.8" vs 3.1"
Help
Around 10% thinner
Sensor size
Larger sensor
APS-C 22.5x15.0mm vs APS-C 22.3x14.9mm
Help
Almost the same
Fastest shutter speed
Much faster max shutter speed
1/8000s vs 1/4000s
Help
2x faster max shutter speed
Canon EOS 20D Learn more about
the Canon 20D
vs

recommendations

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

Snapsort Recommends
Canon Rebel T3i Canon Rebel T3i 58
Retailer
    Style
      Color
        You save

        vs

        31 Canon EOS 20D Canon EOS 20D
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent entry-level DSLRs

              Common Strengths
              Lens availability Many lenses available Help
              197 lenses
              Common Weaknesses
              Autofocus No video autofocus Help
              Manual focus only
              Light sensitivity (boost) Poor boost ISO Help
              T3i:12,800 ISO
              20D:3,200 ISO
              Size Large Help
              T3i:133x99x79 mm
              20D:144x106x72 mm
              Viewfinder coverage Below average viewfinder coverage Help
              95%
              Sensor size Very small sensors Help
              T3i:APS-C 22.3x14.9mm
              20D:APS-C 22.5x15.0mm
              Light sensitivity Poor maximum light sensitivity Help
              T3i:6,400 ISO
              20D:1,600 ISO
              Image stabilization No image stabilization Help
              Risk of blur
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              Continuous shooting Slow continuous shooting Help
              T3i:3.7 fps
              20D:5 fps
              Dynamic range Poor dynamic range Help
              T3i:11.5 EV
              20D:11 EV
              Overall image quality Low image quality Help
              T3i:65.0
              20D:62.0
              Color depth Poor color depth Help
              T3i:22.1 bits
              20D:21.9 bits
              Low light performance Above average noise at high ISO Help
              T3i:793 ISO
              20D:721 ISO

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Canon Rebel T5i

              Canon Rebel T5i

              Entry-level DSLR

              $599 - $699 body only

              $597 - $700 with 18-55mm lens

              Touch screen Has a touch screen
              Startup delay Has significantly less startup delay
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $309 - $527 body only

              $389 - $447 with 18-55mm lens

              Low light performance Is significantly less noisy at high ISO
              Overall image quality Has significantly better image quality
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $699 - $899 body only

              $959 - $1,182 with 18-135mm lens

              Startup delay Has much less startup delay
              Battery life Has a much longer battery life
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $380 - $389 body only

              $399 - $520 with 18-55mm lens

              Startup delay Has much less startup delay
              Battery life Has a significantly longer battery life
              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

              Startup delay Has much less startup delay
              Size Is much smaller
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive
              Canon EOS 70D

              Canon EOS 70D

              Pro DSLR

              $999 body only

              $1,129 - $1,149 with 18-55mm lens

              Low light performance Is slightly less noisy at high ISO
              Viewfinder size Slightly larger viewfinder
              Lowest price Is much more expensive
              Thickness Is thicker
              Nikon D3100

              Nikon D3100

              Entry-level DSLR

              $272 body only

              $390 - $409 with 18-55mm lens

              Low light performance Is slightly less noisy at high ISO
              Startup delay Has much less startup delay
              Fastest shutter speed Has a slower max shutter speed
              External mic jack Lacks and external mic jack

              Canon Rebel T3i Competitors

              Advantages

              Disadvantages

              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $430 - $450 with 18-55mm lens

              Autofocus Video autofocus
              Battery life Slightly longer battery life
              Screen resolution Much lower resolution screen
              Screen flips out Screen does not flip out
              Canon Rebel SL1

              Canon Rebel SL1

              Entry-level DSLR

              $449 - $724 body only

              $549 - $550 with 18-55mm lens

              HDR Has in-camera HDR
              Touch screen Has a touch screen
              Color depth Worse color depth
              Screen flips out Screen does not flip out
              Nikon D5100

              Nikon D5100

              Entry-level DSLR

              $360 - $385 body only

              $429 - $499 with 18-55mm lens

              Low light performance Significantly lower noise at high ISO
              Overall image quality Significantly better image quality
              Screen resolution Lower resolution screen
              True resolution Lower true resolution
              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $497 body only

              $597 with 18-55mm lens

              Low light performance Much lower noise at high ISO
              Overall image quality Much better image quality
              Screen resolution Lower resolution screen
              Viewfinder size Slightly smaller viewfinder

              Canon EOS 20D Competitors

              Advantages

              Disadvantages

              Canon EOS 30D

              Canon EOS 30D

              Entry-level DSLR

              Screen size Much larger screen
              Screen resolution Higher resolution screen
              Color depth Worse color depth
              Overall image quality Worse image quality
              Placeholder

              Canon EOS Digital Rebel XT

              Entry-level DSLR

              $570 with 18-55mm lens

              Size Much smaller
              Lowest price Much cheaper
              Continuous shooting Shoots significantly slower
              Viewfinder size Smaller viewfinder

              appearance

              Canon Rebel T3i Canon EOS 20D
              Canon Rebel T3i Canon EOS 20D
              Canon Rebel T3i Canon EOS 20D

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