Updated (May, 2012): Compare the Canon EOS Digital Rebel XS vs Pentax K-30

Pentax K20D

Winner
Pentax K20D

52

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Reasons to buy the Pentax K20D

Color depth
Great color depth
22.9 bits
Viewfinder size
Large viewfinder
0.62x
Image stabilization
Image stabilization
Sensor shift
Live view
Has live view
Preview your photos
 

Reasons to buy the Canon EOS Digital Rebel XS

Live view
Has live view
Preview your photos
Startup delay
Almost no delay when powering up
300 ms startup delay
Shutter lag
Barely any delay taking photos
164 ms shutter lag
Size
Really small
Prosumer size 126x98x65 mm
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon Rebel XS

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Lens availability Significantly more lenses available 197 lenses vs 109 lenses
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More than 80% more lenses available
Low light performance Lower noise at high ISO 719 ISO vs 639 ISO
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The Rebel XS has a slight edge (0.2 f-stops) in low noise, high ISO performance
Size Much smaller 126x98x65 mm vs 142x101x70 mm
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More than 20% smaller
Weight Much lighter 502 g vs 800 g
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Around 40% lighter
Startup delay Slightly less startup delay 300 ms vs 400 ms
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Around 30% less delay when turning on
Thickness Significantly thinner 2.6" vs 2.8"
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Around 10% thinner
Shutter lag Slightly less shutter lag 164 ms vs 174 ms
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Around 10% less delay when taking photos
Canon EOS Digital Rebel XS Learn more about
the Canon Rebel XS

Advantages of the Pentax K20D

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Autofocus Faster autofocus Phase detection vs Contrast detection
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Catch candid moments easily
Image stabilization Image stabilization Sensor shift vs None
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Helps eliminate blur caused by small camera movements
Screen size Significantly larger screen 2.7" vs 2.5"
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Around 10% larger screen
Viewfinder size Significantly larger viewfinder 0.62x vs 0.50x
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More than 50% larger viewfinder
Sensor size Much larger sensor APS-C 23.4x15.6mm vs APS-C 22.2x14.8mm
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More than 10% larger sensor
Weather sealed Weather sealed Yes vs No
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Sealed to shoot in the rain
Color depth Better color depth 22.9 bits vs 22 bits
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Distinguishes 0.9 more bits of color
True resolution Significantly higher true resolution 14.5 MP vs 10.1 MP
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Capture more than 40% more detail in your photos
Overall image quality Better image quality 65.0 vs 62.0
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Almost the same
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
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Pentaprism viewfinders are typically brighter
Dynamic range More dynamic range 11.1 EV vs 10.9 EV
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0.2 f-stops more dynamic range
Light sensitivity (boost) Has boost ISO 6,400 ISO vs None
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Allows taking photos in darker situations, often at the cost of additional noise in the image
Battery life Slightly longer battery life 530 shots vs 500 shots
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Around 10% more shots per battery charge
Light sensitivity Better maximum light sensitivity 3,200 ISO vs 1,600 ISO
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The K20D's maximum light sensitivity is 1 f-stop better
Pentax K20D Learn more about
the Pentax K20D
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recommendations

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

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Canon EOS Digital Rebel XS Canon EOS Digital Rebel XS 39
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        52 Pentax K20D Pentax K20D

        similarities

        Compared to recent entry-level DSLRs

        Common Strengths Common Weaknesses
        Startup delay Minimal startup delay Help
        Rebel XS:300 ms
        K20D:400 ms
        Shutter lag Minimal shutter lag Help
        Rebel XS:164 ms
        K20D:174 ms
        Thickness Thin Help
        Rebel XS:2.6"
        K20D:2.8"
        Movie format Do not shoot movies Help
        No movies
        Fastest shutter speed Slow max shutter speed Help
        1/4000 of a second
        Light sensitivity (boost) One has boost ISO Help
        Rebel XS:None
        K20D:6,400 ISO
        Autofocus No video autofocus Help
        Manual focus only
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        Viewfinder coverage Below average viewfinder coverage Help
        95%
        Continuous shooting Slow continuous shooting Help
        3 fps
        Screen resolution Low resolution screens Help
        230k dots
        True resolution Capture low resolution images Help
        Rebel XS:10.1 MP
        K20D:14.5 MP
        Screen size Very small screens Help
        Rebel XS:2.5"
        K20D:2.7"
        Light sensitivity Poor maximum light sensitivity Help
        Rebel XS:1,600 ISO
        K20D:3,200 ISO
        Dynamic range Poor dynamic range Help
        Rebel XS:10.9 EV
        K20D:11.1 EV
        Screen flips out No flip-out screens Help
        Less flexible
        Panorama Neither camera stitches together panoramas Help
        You could stitch photos in post
        Overall image quality Low image quality Help
        Rebel XS:62.0
        K20D:65.0
        Low light performance Above average noise at high ISO Help
        Rebel XS:719 ISO
        K20D:639 ISO

        dxomark

        DXOMark

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 - $749 body only

        $550 - $600 with 18-55mm lens

        Movie format Records higher quality movies
        Dynamic range Has slightly wider dynamic range
        Thickness Is thicker
        Weight Is slightly heavier
        Canon EOS Digital Rebel XSi

        Canon EOS Digital Rebel XSi

        Entry-level DSLR

        $780 with 18-55mm lens

        Screen size Has a significantly larger screen
        Thickness Is thinner
        Lowest price Is significantly more expensive
        Cross type focus points Has significantly fewer cross-type focus points
        Nikon D3100

        Nikon D3100

        Entry-level DSLR

        $389 - $427 with 18-55mm lens

        Low light performance Is slightly less noisy at high ISO
        Movie format Records higher quality movies
        Thickness Is thicker
        Lens focus motor Doesn't have a built-in focus motor
        Canon EOS Rebel T2i

        Canon Rebel T2i

        Entry-level DSLR

        $639 body only

        $650 - $779 with 18-55mm lens

        Movie format Records higher quality movies
        Dynamic range Has slightly wider dynamic range
        Lowest price Is slightly more expensive
        Shutter lag Has significantly more shutter lag
        Canon EOS Rebel T1i

        Canon Rebel T1i

        Entry-level DSLR

        $999 body only

        $400 with 18-55mm lens

        Movie format Records higher quality movies
        Dynamic range Has slightly wider dynamic range
        Battery life Has a slightly shorter battery life
        Cross type focus points Has significantly fewer cross-type focus points
        Nikon D3200

        Nikon D3200

        Entry-level DSLR

        $497 with 18-55mm lens

        Low light performance Is significantly less noisy at high ISO
        Overall image quality Has significantly better image quality
        Thickness Is thicker
        Lens focus motor Doesn't have a built-in focus motor
        Canon EOS 60D

        Canon EOS 60D

        Pro DSLR

        $699 - $871 body only

        $999 - $1,150 with 18-135mm lens

        Movie format Records higher quality movies
        Dynamic range Has slightly wider dynamic range
        Lowest price Is significantly more expensive
        Thickness Is thicker

        Canon EOS Digital Rebel XS Competitors

        Advantages

        Disadvantages

        Canon Rebel T3

        Canon Rebel T3

        Entry-level DSLR

        $276 - $298 body only

        $385 - $450 with 18-55mm lens

        Movie format Shoots movies
        Autofocus Faster autofocus
        Shutter lag Much more shutter lag
        Size Much larger
        Canon EOS Digital Rebel XTi

        Canon EOS Digital Rebel XTi

        Entry-level DSLR

        $1,000 with 18-55mm lens

        Dynamic range More dynamic range
        Color depth Better color depth
        Startup delay Much more startup delay
        Live view No live view
        Nikon D3000

        Nikon D3000

        Entry-level DSLR

        $249 - $300 body only

        $350 with 18-55mm lens

        Screen size Much larger screen
        Autofocus Faster autofocus
        Live view No live view
        Low light performance More noise at high ISO

        Pentax K20D Competitors

        Advantages

        Disadvantages

        Pentax K-30

        Pentax K-30

        Entry-level DSLR

        $433 - $550 body only

        $560 - $751 with 18-55mm lens

        Movie format Shoots movies
        Low light performance Much lower noise at high ISO
        Startup delay Significantly more startup delay
        Battery life Shorter battery life
        Pentax K10D

        Pentax K10D

        Entry-level DSLR

        Dynamic range More dynamic range
        Overall image quality Slightly better image quality
        Live view No live view
        Screen size Significantly smaller screen
        Pentax K-7

        Pentax K-7

        Entry-level DSLR

        $1,118 with 18-55mm lens

        Movie format Shoots movies
        Screen resolution Much higher resolution screen
        Low light performance More noise at high ISO
        Overall image quality Worse image quality
        Pentax K-3

        Pentax K-3

        Entry-level DSLR

        $1,097 - $1,297 body only

        $1,170 - $1,222 with 18-55mm lens

        Movie format Shoots movies
        Low light performance Much lower noise at high ISO
        Startup delay More startup delay
        Thickness Significantly thicker
        Pentax K-r

        Pentax K-r

        Entry-level DSLR

        $484 with 18-55mm lens

        Movie format Shoots movies
        Screen resolution Much higher resolution screen
        Weather sealed No weather sealing
        Viewfinder size Smaller viewfinder

        appearance

        Canon EOS Digital Rebel XS Pentax K20D
        Canon EOS Digital Rebel XS Pentax K20D
        Canon EOS Digital Rebel XS Pentax K20D

        discussion

        Canon EOS Digital Rebel XS
        EOS Digital Rebel XS
        Canon

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        Pentax K20D
        K20D
        Pentax

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