Canon EOS Digital
Rebel XSi
 vs
Pentax
K-x

Pentax K-x

70
Winner

Pentax K-x
"Image stabilisation via the camera body is a great feature that works very well when hand-holding the camera in low-light conditions."
photographyblog.com | talking about the K-x's image-stabilization
"The camera has a deep, contoured handgrip on the right-hand side, coated in a rubberized compound to aid grip, that enabled me to use three fingers to hold it and my right forefinger to operate the shutter button."
photographyblog.com | talking about the K-x's feel

Reasons to buy the Pentax K-x

Overall image quality
 Great image quality
72.0
Color depth
 Great color depth
22.8 bits
Dynamic range
 Wide dynamic range
12.5 EV
Image stabilization
 Image stabilization
Sensor shift
Supports 24p
 24p movies
For that film look
Sensor size
 Large sensor
APS-C 23.6x15.8mm
Canon EOS Digital Rebel XSi

41
"Superb resolution, good per-pixel sharpness"
dpreview.com | talking about the Rebel XSi's image-quality
"Just like the EOS 400D the 450D is primarily made from three materials; a stainless steel chassis, the mirror box which is made of high-strength 'engineering plastic' and the body made of a special lightweight 'engineering plastic' which also provides some electromagnetic shielding. Construction is very good with no creaks or rattles."
dpreview.com | talking about the Rebel XSi's build-quality

Reasons to buy the Canon EOS Digital Rebel XSi

Screen size
 Large screen
3.0"
Shutter lag
 Barely any delay taking photos
160 ms shutter lag
Size
 Really small
Prosumer size 129x98x62 mm
Badge
 Built-in focus motor
Autofocuses with more lenses
Thickness
 Thin
2.4"

differences

Advantages of the Canon Rebel XSi
Screen size Much larger screen 3.0" vs 2.7"
Help
 More than 10% larger screen
Lens availability Significantly more lenses available 162 lenses vs 90 lenses
Help
 80% more lenses available
Startup delay Less startup delay 400 ms vs 600 ms
Help
 More than 30% less delay when turning on
Battery life Longer battery life 500 shots vs 420 shots
Help
 Around 20% more shots per battery charge
Thickness Thinner 2.4" vs 2.7"
Help
 Around 10% thinner
Weight Lighter 524 g vs 580 g
Help
 Around 10% lighter
Lowest price Cheaper $467.50 vs $674.92
Help
 The best price we've seen is $207 cheaper (more than 30% less)
Canon EOS Digital Rebel XSi Learn more about
the Canon Rebel XSi

Advantages of the Pentax K-x
Dynamic range More dynamic range 12.5 EV vs 10.8 EV
Help
 1.7 f-stops more dynamic range
Overall image quality Significantly better image quality 72.0 vs 61.0
Help
 Around 20% better image quality
Color depth Better color depth 22.8 bits vs 21.9 bits
Help
 Distinguishes 0.9 more bits of color
Image stabilization Image stabilization Sensor shift vs None
Help
 Helps eliminate blur caused by small camera movements
Movie format Shoots movies 720p @ 24fps vs None
Help
 Shoots HD (720p) video as well as still pictures
Low light performance Lower noise at high ISO 811 ISO vs 692 ISO
Help
 The K-x has a slight edge (0.2 f-stops) in low noise, high ISO performance
Cross type focus points Many more cross-type focus points 9 vs 1
Help
 Grab focus in difficult situations
HDR Has in-camera HDR Yes vs No
Help
 Combines multiple exposures to capture high dynamic range
Sensor size Significantly larger sensor APS-C 23.6x15.8mm vs APS-C 22.2x14.8mm
Help
 More than 10% larger sensor
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 800 ISO
Help
 The K-x's maximum light sensitivity is 3 f-stops better
Shutter lag Less shutter lag 97 ms vs 160 ms
Help
 Around 40% less delay when taking photos
Continuous shooting Shoots faster 4.7 fps vs 3.5 fps
Help
 More than 30% faster continuous shooting
Light sensitivity (boost) Better boost ISO 12,800 ISO vs 1,600 ISO
Help
 The K-x's boost ISO is 3 f-stops better
Viewfinder size Slightly larger viewfinder 0.56x vs 0.54x
Help
 Around 10% larger viewfinder
Focus points More focus points 11 vs 9
Help
 Set focus accurately within the frame
Viewfinder coverage Better viewfinder coverage 96% vs 95%
Help
 Almost the same
Fastest shutter speed Significantly faster max shutter speed 1/6000s vs 1/4000s
Help
 More than 30% faster max shutter speed
Size Slightly smaller 123x92x68 mm vs 129x98x62 mm
Help
 Almost the same
Pentax K-x Learn more about
the Pentax K-x
vs

recommendations

Relative to the best recent entry-level DSLRs, and ignoring price

Canon EOS Digital Rebel XSi Canon EOS Digital Rebel XSi
41 vs 70
Explain scores
Pentax K-x Pentax K-x
Green arrow Snapsort recommends the Pentax K-x.

advice

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similarities

Compared to recent entry-level DSLRs

Common Strengths Common Weaknesses
Shutter lag Minimal shutter lag Help
Rebel XSi:160 ms
K-x:97 ms
Size Very small Help
Rebel XSi:129x98x62 mm
K-x:123x92x68 mm
Thickness Very thin Help
Rebel XSi:2.4"
K-x:2.7"
Storage slots Fewer storage slots Help
1
True resolution Capture low resolution images Help
12.2 MP
Autofocus No video autofocus Help
Manual focus only
Screen flips out No flip-out screens Help
Less flexible
Screen resolution Low resolution screens Help
230k dots
Panorama Neither camera stitches together panoramas Help
You could stitch photos in post
3D Neither camera can take 3D photos Help
No 3d support
Light sensitivity Poor maximum light sensitivity Help
Rebel XSi:800 ISO
K-x:6,400 ISO
Weather sealed Neither is weather sealed Help
Need to shelter it from weather
Movie format One shoots movies Help
Rebel XSi:None
K-x:720p @ 24fps

dxomark

DXOMark

competitors

Shared Competitors

Advantages

Disadvantages
Canon Rebel T3

Canon Rebel T3

Entry-level DSLR

$333 body only

$489 - $500 with 18-55mm lens
Battery life Has a significantly longer battery life
Weight Is slightly lighter
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker
Compare the Rebel T3 vs the EOS Digital Rebel XSi
Compare the Rebel T3 vs the K-x
Canon EOS Rebel T2i

Canon Rebel T2i

Entry-level DSLR

$544 - $949 body only

$649 - $867 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 much more shutter lag
Compare the Rebel T2i vs the EOS Digital Rebel XSi
Compare the Rebel T2i vs the K-x
Canon Rebel T3i

Canon Rebel T3i

Entry-level DSLR

$619 - $700 body only

$745 - $1,000 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 Digital Rebel XSi
Compare the Rebel T3i vs the K-x
Nikon D3100

Nikon D3100

Entry-level DSLR

$500 - $547 with 18-55mm lens
Low light performance Is slightly less noisy at high ISO
Movie format Records higher quality movies
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker
Compare the D3100 vs the EOS Digital Rebel XSi
Compare the D3100 vs the K-x
Canon EOS Rebel T1i

Canon Rebel T1i

Entry-level DSLR

$475 - $629 body only

$549 - $580 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 slightly more shutter lag
Compare the Rebel T1i vs the EOS Digital Rebel XSi
Compare the Rebel T1i vs the K-x
Canon EOS Digital Rebel XS

Canon EOS Digital Rebel XS

Entry-level DSLR

$299 - $595 body only

$437 - $439 with 18-55mm lens
Fastest shutter speed Has a slower max shutter speed
Autofocus Users slower contrast detection autofocus
Compare the EOS Digital Rebel XS vs the EOS Digital Rebel XSi
Compare the EOS Digital Rebel XS vs the K-x
Canon EOS 60D

Canon EOS 60D

Pro DSLR

$848 - $1,304 body only

$1,177 - $1,342 with 18-135mm lens
Movie format Records higher quality movies
Screen resolution Has a much higher resolution screen
Lowest price Is slightly more expensive
Thickness Is thicker
Compare the EOS 60D vs the EOS Digital Rebel XSi
Compare the EOS 60D vs the K-x

Canon EOS Digital Rebel XSi Competitors

Advantages

Disadvantages

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

Pentax K-x Competitors

Advantages

Disadvantages
Pentax K-r

Pentax K-r

Entry-level DSLR

$631 - $649 with 18-55mm lens
Screen size Much larger screen
Screen resolution Much higher resolution screen
Supports 24p No 24p support
Low light performance Slightly more noise at high ISO
Compare the K-r vs the K-x
Pentax K-5

Pentax K-5

Entry-level DSLR

$888 - $1,129 body only

$1,033 - $1,283 with 18-55mm lens
Low light performance Significantly lower noise at high ISO
Overall image quality Significantly better image quality
Supports 24p No 24p support
Size Larger
Compare the K-5 vs the K-x

appearance

Canon EOS Digital Rebel XSi Pentax K-x
Canon EOS Digital Rebel XSi Pentax K-x
Canon EOS Digital Rebel XSi Pentax K-x

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