Canon EOS 40D
Winner
Canon EOS 40D

48

vs
Canon EOS Digital Rebel XSi

41
 
 
 
 

Reasons to buy the Canon EOS 40D

Screen size
 Large screen
3.0"
Live view
 Has live view
Preview your photos
Continuous shooting
 Rapid fire
6.5 fps
Shutter lag
 Barely any delay taking photos
128 ms shutter lag
 

Reasons to buy the Canon EOS Digital Rebel XSi

Screen size
 Large screen
3.0"
Live view
 Has live view
Preview your photos
Shutter lag
 Barely any delay taking photos
160 ms shutter lag
Badge
 Phase detection autofocus
fast and accurate
 
Differences | Recommendations | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon 40D
Dynamic range More dynamic range 11.3 EV vs 10.8 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
Battery life Significantly longer battery life 1100 shots vs 500 shots
Help
 More than 2x more shots per battery charge
Overall image quality Better image quality 64.0 vs 61.0
Help
 Almost the same
Continuous shooting Shoots faster 6.5 fps vs 3.5 fps
Help
 Around 90% faster continuous shooting
Viewfinder size Larger viewfinder 0.59x vs 0.54x
Help
 Around 20% larger viewfinder
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
Help
 Pentaprism viewfinders are typically brighter
Shutter lag Less shutter lag 128 ms vs 160 ms
Help
 20% less delay when taking photos
Fastest shutter speed Much faster max shutter speed 1/8000s vs 1/4000s
Help
 2x faster max shutter speed
Canon EOS 40D Learn more about
the Canon 40D

Advantages of the Canon Rebel XSi
Autofocus Faster autofocus Phase detection vs Contrast detection
Help
 Catch candid moments easily
Size Smaller 129x98x62 mm vs 146x108x74 mm
Help
 More than 30% smaller
Thickness Much thinner 2.4" vs 2.9"
Help
 Around 20% thinner
True resolution Higher true resolution 12.2 MP vs 10.1 MP
Help
 Capture more than 20% more detail in your photos
Weight Lighter 524 g vs 822 g
Help
 Around 40% lighter
Canon EOS Digital Rebel XSi Learn more about
the Canon Rebel XSi
vs

recommendations

Relative to the best recent DSLRs, and ignoring price

Canon EOS 40D Canon EOS 40D
48 vs 41
Explain scores
Canon EOS Digital Rebel XSi Canon EOS Digital Rebel XSi
Green arrow Snapsort recommends the Canon EOS 40D. This recommendation, however, should be taken with a grain of salt since it doesn't always make sense to compare a pro DSLR with a entry-level DSLR.

similarities

Compared to recent DSLRs

Common Strengths Common Weaknesses
Lens availability Many lenses available Help
162 lenses
Startup delay Minimal startup delay Help
400 ms startup delay
Shutter lag Minimal shutter lag Help
40D:128 ms
Rebel XSi:160 ms
Thickness Thin Help
40D:2.9"
Rebel XSi:2.4"
Built-in flash Each has a built-in flash Help
External flash not needed
Viewfinder coverage Below average viewfinder coverage Help
95%
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
Light sensitivity (boost) Poor boost ISO Help
40D:3,200 ISO
Rebel XSi:1,600 ISO
True resolution Capture low resolution images Help
40D:10.1 MP
Rebel XSi:12.2 MP
Screen resolution Low resolution screens Help
230k dots
Light sensitivity Poor maximum light sensitivity Help
40D:1,600 ISO
Rebel XSi:800 ISO
Weather sealed Neither is weather sealed Help
Need to shelter it from weather
Screen flips out No flip-out screens Help
Less flexible
Movie format Do not shoot movies Help
No movies
Sensor size Very small sensors Help
APS-C 22.2x14.8mm
Dynamic range Poor dynamic range Help
40D:11.3 EV
Rebel XSi:10.8 EV
Panorama Neither camera stitches together panoramas Help
You could stitch photos in post
Image stabilization No image stabilization Help
Risk of blur
3D Neither camera can take 3D photos Help
No 3d support
Overall image quality Low image quality Help
40D:64.0
Rebel XSi:61.0
Color depth Poor color depth Help
40D:22.1 bits
Rebel XSi:21.9 bits
Low light performance Above average noise at high ISO Help
40D:703 ISO
Rebel XSi:692 ISO

dxomark

DXOMark

competitors

Shared Competitors

Advantages

Disadvantages
Canon Rebel T3

Canon Rebel T3

Entry-level DSLR

$328 body only

$449 with 18-55mm lens
Movie format Records lower quality movies
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker
Compare the Rebel T3 vs the EOS 40D
Compare the Rebel T3 vs the EOS Digital Rebel XSi
Canon EOS 60D

Canon EOS 60D

Pro DSLR

$649 - $968 body only

$949 - $1,182 with 18-135mm lens
Movie format Records higher quality movies
Screen resolution Has a much higher resolution screen
Thickness Is thicker
Weight Is slightly heavier
Compare the EOS 60D vs the EOS 40D
Compare the EOS 60D vs the EOS Digital Rebel XSi
Canon Rebel T3i

Canon Rebel T3i

Entry-level DSLR

$549 body only

$595 - $599 with 18-55mm lens
Movie format Records higher quality movies
Screen resolution Has a much higher resolution screen
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker
Compare the Rebel T3i vs the EOS 40D
Compare the Rebel T3i vs the EOS Digital Rebel XSi
Canon EOS Rebel T2i

Canon Rebel T2i

Entry-level DSLR

$540 body only

$609 with 18-55mm lens
Movie format Records higher quality movies
Screen resolution Has a much higher resolution screen
Fastest shutter speed Has a slower max shutter speed
Shutter lag Has significantly more shutter lag
Compare the Rebel T2i vs the EOS 40D
Compare the Rebel T2i vs the EOS Digital Rebel XSi
Canon EOS 50D

Canon EOS 50D

Pro DSLR

$1,400 body only
Screen resolution Has a much higher resolution screen
True resolution Takes slightly higher resolution photos
Thickness Is thicker
Weight Is slightly heavier
Compare the EOS 50D vs the EOS 40D
Compare the EOS 50D vs the EOS Digital Rebel XSi
Nikon D3100

Nikon D3100

Entry-level DSLR

$447 - $740 with 18-55mm lens
Movie format Records higher quality movies
Autofocus Focuses automatically while shootting video
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker
Compare the D3100 vs the EOS 40D
Compare the D3100 vs the EOS Digital Rebel XSi
Canon EOS Rebel T1i

Canon Rebel T1i

Entry-level DSLR

$723 with 18-55mm lens
Movie format Records higher quality movies
Screen resolution Has a much higher resolution screen
Fastest shutter speed Has a slower max shutter speed
Color depth Has slightly less color depth
Compare the Rebel T1i vs the EOS 40D
Compare the Rebel T1i vs the EOS Digital Rebel XSi

Canon EOS 40D Competitors

Advantages

Disadvantages

No significant competitors found that are specific to the Canon EOS 40D.

Canon EOS Digital Rebel XSi Competitors

Advantages

Disadvantages

No significant competitors found that are specific to the Canon EOS Digital Rebel XSi.

appearance

Canon EOS 40D Canon EOS Digital Rebel XSi
Canon EOS 40D Canon EOS Digital Rebel XSi
Canon EOS 40D Canon EOS Digital Rebel XSi

discussion

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