differences

Advantages of the Canon T3i

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Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Screen resolution
Much higher resolution screen
1,040k dots vs 230k dots
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More than 4.5x higher resolution screen
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
Autofocus
Faster autofocus
Phase detection vs Contrast detection
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Catch candid moments easily
External mic jack
Has an external mic jack
Yes vs No
Help
Record high quality audio with an external microphone
Battery life
Significantly longer battery life
440 shots vs 270 shots
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More than 60% more shots per battery charge
Sensor type
Has a CMOS-family sensor
CMOS vs CCD
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CMOS-family sensors often produce better quality images
Interchangeable lenses
Has interchangeable lenses
Yes vs No
Help
Can take advantage of a variety of lenses
True resolution
Higher true resolution
17.9 MP vs 8 MP
Help
Capture more than 2x more detail in your photos
Viewfinder
Has a viewfinder
Pentamirror vs None
Help
A viewfinder can help save battery life by keeping the screen turned off
External flash
Supports an external flash
Yes vs No
Help
An external flash often produces better looking flash images
Continuous shooting
Shoots slightly faster
3.7 fps vs 1.3 fps
Help
Around 3x faster continuous shooting
Fastest shutter speed
Significantly faster max shutter speed
1/4000s vs 1/1600s
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2.5x faster max shutter speed
Canon Rebel T3i Learn more about
the Canon T3i

Advantages of the Canon SD870 IS

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Image stabilization
Image stabilization
  1. Lens
vs None
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Helps eliminate blur caused by small camera movements
Size
Significantly smaller
93×59×26 mm vs 133×100×80 mm
Help
7.4x smaller
Thickness
Significantly thinner
1" vs 3.1"
Help
3.1x thinner
Weight
Significantly lighter
205 g vs 570 g
Help
2.8x lighter
Canon PowerShot SD870 IS Learn more about
the Canon SD870 IS
vs

recommendations

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

Snapsort Recommends
Canon Rebel T3i Canon Rebel T3i 63
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        44 Canon PowerShot SD870 IS Canon PowerShot SD870 IS
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              similarities

              Compared to recent digital cameras

              Common Strengths
              Built-in flash Each has a built-in flash Help
              External flash not needed
              Common Weaknesses
              High-speed framerate No high speed movie support Help
              Not supported
              Movie format Poor movies Help
              T3i1080p @ 30fps
              SD870 IS480p @ 30fps
              Touch screen No touchscreens Help
              More buttons
              Continuous shooting Slow continuous shooting Help
              T3i3.7 fps
              SD870 IS1.3 fps
              Light sensitivity Poor maximum light sensitivity Help
              T3i6,400 ISO
              SD870 IS1,600 ISO

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              DXOMark

              appearance

              Canon Rebel T3i Canon PowerShot SD870 IS
              Canon Rebel T3i Canon PowerShot SD870 IS
              Canon Rebel T3i Canon PowerShot SD870 IS

              discussion

              Canon Rebel T3i
              Rebel T3i
              Canon

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              Canon PowerShot SD870 IS
              PowerShot SD870 IS
              Canon

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