recommendations

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

Canon EOS Digital Rebel XSi Canon EOS Digital Rebel XSi
48 vs 80
Explain scores
Pentax K-x Pentax K-x
Green arrow Snapsort recommends the Pentax K-x.

differences

Reasons to consider the Canon Digital Rebel XSi

Screen size Significantly larger screen 3.0" vs 2.7"
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More than 10% larger screen
Lens availability Significantly more lenses available 149 lenses vs 82 lenses
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More than 80% more lenses available
Thickness Thinner 2.4" vs 2.7"
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Around 10% thinner
Weight Lighter 524 g vs 580 g
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More than 10% lighter
Lowest price Slightly cheaper $500.00 vs $545.85
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The best price we've seen is $46 cheaper (around 10% less)
Canon EOS Digital Rebel XSi Learn more about
the Canon Digital Rebel XSi

Reasons to consider the Pentax K-x

Overall image quality Much better image quality 72.0 vs 61.0
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Around 20% better image quality
Dynamic range Much more dynamic range 12.5 EV vs 10.8 EV
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2.8 f-stops more dynamic range
Movie format Shoots movies 720p @ 24fps vs None
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Shoots HD (720p) video as well as still pictures
Low light performance Lower noise at high ISO 811 ISO vs 692 ISO
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The K-x has a slight edge (0.2 f-stops) in low noise, high ISO performance
Color depth Much better color depth 22.8 bits vs 21.9 bits
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Distinguishes around 90% more colors
Image stabilization Image stabilization Sensor shift vs None
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Helps eliminate blur caused by small camera movements
Light sensitivity (boost) Has boost ISO 12,800 ISO vs None
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Allows taking photos in darker situations, often at the cost of additional noise in the image
Continuous shooting Shoots significantly faster 4.7 fps vs 3.5 fps
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More than 30% faster continuous shooting
Sensor size Larger sensor APS-C 23x15mm vs APS-C 22x14mm
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More than 10% larger sensor
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 1,600 ISO
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The K-x's maximum light sensitivity is 2 f-stops better
Viewfinder size Larger viewfinder 0.56x vs 0.54x
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Around 10% larger viewfinder
Viewfinder coverage Better viewfinder coverage 96% vs 95%
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Almost the same
Fastest shutter speed Much faster max shutter speed 1/6000s vs 1/4000s
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More than 50% faster max shutter speed
Pentax K-x Learn more about
the Pentax K-x
vs

similarities

Compared to recent entry-level DSLRs

Common Strengths Common Weaknesses
Live view Live view Help
Preview your photos
Size Fairly small Help
Digital Rebel XSi:129x98x62 mm
K-x:123x92x68 mm
Sensor type Better sensor types Help
Better in low light
Lowest price Inexpensive Help
Digital Rebel XSi:$500.00
K-x:$545.85
Storage slots Fewer storage slots Help
1

competitors

Shared Competitors

Advantages

Disadvantages

Canon EOS Rebel T2i

Canon EOS Rebel T2i

Entry-level DSLR

$799 - $853 body only

$849 - $975 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
Lowest price Is significantly more expensive
Nikon D5000

Nikon D5000

Entry-level DSLR

$630 - $680 body only

$750 - $766 with 18-55mm lens

Screen flips out Has a screen which flips out
Fastest shutter speed Has a slower max shutter speed
Weight Is slightly heavier
Canon EOS Rebel T1i

Canon EOS Rebel T1i

Entry-level DSLR

$579 - $700 body only

$695 - $1,069 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
Supports 24p Doesn't record movies in 24p
Nikon D3000

Nikon D3000

Entry-level DSLR

$559 body only

$469 - $550 with 18-55mm lens

Lowest price Is slightly less expensive
Fastest shutter speed Has a slower max shutter speed
Sensor type Has a CCD-family sensor
Canon EOS Digital Rebel XS

Canon EOS Digital Rebel XS

Entry-level DSLR

$550 body only

$569 - $750 with 18-55mm lens

Weight Is slightly lighter
Fastest shutter speed Has a slower max shutter speed
True resolution Takes slightly lower resolution photos
Nikon D90

Nikon D90

Entry-level DSLR

$799 - $1,944 body only

$1,048 - $1,200 with 18-105mm lens

Low light performance Is significantly less noisy at high ISO
Screen resolution Has a much higher resolution screen
Fastest shutter speed Has a slower max shutter speed
Weight Is significantly heavier
Sony Alpha DSLR-A330

Sony Alpha DSLR-A330

Entry-level DSLR

$1,130 with 18-250mm lens

Storage slots Has more storage slots
Weight Is slightly lighter
Fastest shutter speed Has a slower max shutter speed
Thickness Is thicker

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

No significant competitors found that are specific to the Pentax 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

Find similar cameras

Here are some links to help you find other cameras with similar features to both of these:

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