Updated (September, 2010): Compare the Nikon D7000 vs Pentax K-x

Nikon D90

Winner
Nikon D90

68

vs

Pentax K-x

63

Pentax K-x

Runner-up
     
 

Reasons to buy the Nikon D90

Viewfinder size
Large viewfinder
0.63x
Sensor size
Large sensor
APS-C 23.6x15.8mm
Battery life
Great battery life
850 shots
Badge
Built-in focus motor
Autofocuses with more lenses
 

Reasons to buy the Pentax K-x

Image stabilization
Image stabilization
Sensor shift
Sensor size
Large sensor
APS-C 23.6x15.8mm
HDR
In-camera HDR
Combines multiple exposures
Shutter lag
Barely any delay taking photos
97 ms shutter lag
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Nikon D90

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Screen resolution Much higher resolution screen 930k dots vs 230k dots
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More than 4x higher resolution screen
Screen size Significantly larger screen 3.0" vs 2.7"
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More than 10% larger screen
Low light performance Lower noise at high ISO 977 ISO vs 811 ISO
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The D90 has a slight edge (0.3 f-stops) in low noise, high ISO performance
Battery life Much longer battery life 850 shots vs 420 shots
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More than 2x more shots per battery charge
Lens availability Much more lenses available 205 lenses vs 109 lenses
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Around 90% more lenses available
Viewfinder size Larger viewfinder 0.63x vs 0.56x
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Around 30% larger viewfinder
Built-in focus motor Has a built-in focus motor Yes vs No
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Autofocuses with all autofocus lenses
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
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Pentaprism viewfinders are typically brighter
Startup delay Less startup delay 300 ms vs 600 ms
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2x less delay when turning on
Overall image quality Slightly better image quality 73.0 vs 72.0
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Almost the same
Lowest price Cheaper $575.00 vs $734.81
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The best price we've seen is $160 cheaper (more than 20% less)
Nikon D90 Learn more about
the Nikon D90

Advantages of the Pentax K-x

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Image stabilization Image stabilization Sensor shift vs None
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Helps eliminate blur caused by small camera movements
HDR Has in-camera HDR Yes vs No
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Combines multiple exposures to capture high dynamic range
Shutter lag Significantly less shutter lag 97 ms vs 208 ms
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2.1x less delay when taking photos
Size Much smaller 123x92x68 mm vs 132x103x77 mm
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Around 30% smaller
Cross type focus points Significantly more cross-type focus points 9 vs 1
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Grab focus in difficult situations
Thickness Much thinner 2.7" vs 3"
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More than 10% thinner
Light sensitivity (boost) Better boost ISO 12,800 ISO vs 6,400 ISO
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The K-x's boost ISO is 1 f-stop better
Light sensitivity Better maximum light sensitivity 6,400 ISO vs 3,200 ISO
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The K-x's maximum light sensitivity is 1 f-stop better
Weight Lighter 580 g vs 703 g
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Around 20% lighter
Fastest shutter speed Significantly faster max shutter speed 1/6000s vs 1/4000s
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More than 30% faster max shutter speed
Pentax K-x Learn more about
the Pentax K-x
vs

recommendations

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

Snapsort Recommends
Nikon D90 Nikon D90 68
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        vs

        63 Pentax K-x Pentax K-x
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              similarities

              Compared to recent entry-level DSLRs

              Common Strengths Common Weaknesses
              Sensor size Large sensors Help
              APS-C 23.6x15.8mm
              Movie format Both shoot high resolution HD movies Help
              720p @ 24fps
              Autofocus No video autofocus Help
              Manual focus only
              Light sensitivity (boost) Poor boost ISO Help
              D90:6,400 ISO
              K-x:12,800 ISO
              External mic jack Neither has an external mic jack Help
              Limited to the in-camera mic
              True resolution Capture low resolution images Help
              12.2 MP
              Viewfinder coverage Below average viewfinder coverage Help
              96%
              Light sensitivity Poor maximum light sensitivity Help
              D90:3,200 ISO
              K-x:6,400 ISO
              Screen flips out No flip-out screens Help
              Less flexible
              Continuous shooting Slow continuous shooting Help
              D90:4.5 fps
              K-x:4.7 fps
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post
              Focus points Few focus points Help
              11

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $701 - $840 body only

              $913 - $1,150 with 18-105mm lens

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has slightly better image quality
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $597 - $656 body only

              $477 with 18-55mm lens

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has slightly better image quality
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon D5100

              Nikon D5100

              Entry-level DSLR

              $370 - $400 body only

              $485 - $625 with 18-55mm lens

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has slightly better image quality
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $1,097 - $1,147 body only

              $1,394 - $1,397 with 18-140mm lens

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has slightly better image quality
              Lowest price Is much more expensive
              Thickness Is thicker
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $699 - $893 body only

              $450 - $1,182 with 18-135mm lens

              Movie format Records higher quality movies
              True resolution Takes significantly higher resolution photos
              Thickness Is thicker
              Weight Is significantly heavier
              Nikon D3100

              Nikon D3100

              Entry-level DSLR

              $390 - $427 with 18-55mm lens

              Movie format Records higher quality movies
              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $480 - $774 body only

              $200 - $617 with 18-55mm lens

              Movie format Records higher quality movies
              True resolution Takes significantly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker

              Nikon D90 Competitors

              Advantages

              Disadvantages

              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $597 - $647 body only

              $544 - $747 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Significantly lower noise at high ISO
              Viewfinder size Significantly smaller viewfinder
              Battery life Significantly shorter battery life
              Nikon D5300

              Nikon D5300

              Entry-level DSLR

              $720 - $747 body only

              $847 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Significantly lower noise at high ISO
              Viewfinder size Significantly smaller viewfinder
              Battery life Significantly shorter battery life

              Pentax K-x Competitors

              Advantages

              Disadvantages

              Pentax K-r

              Pentax K-r

              Entry-level DSLR

              $484 with 18-55mm lens

              Screen resolution Much higher resolution screen
              Screen size Significantly larger screen
              Supports 24p No 24p support
              Low light performance Slightly more noise at high ISO
              Pentax K20D

              Pentax K20D

              Entry-level DSLR

              Weather sealed Weather sealed
              Viewfinder size Larger viewfinder
              Movie format Does not take movies
              Dynamic range Less dynamic range
              Pentax K-30

              Pentax K-30

              Entry-level DSLR

              $463 - $550 body only

              $560 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Significantly lower noise at high ISO
              Startup delay More startup delay
              Shutter lag More shutter lag
              Pentax K-5

              Pentax K-5

              Entry-level DSLR

              $730 - $928 body only

              $830 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Significantly lower noise at high ISO
              Supports 24p No 24p support
              Size Significantly larger
              Pentax K-50

              Pentax K-50

              Entry-level DSLR

              $437 - $498 body only

              $526 - $547 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Significantly lower noise at high ISO
              Shutter lag More shutter lag
              Size Larger

              appearance

              Nikon D90 Pentax K-x
              Nikon D90 Pentax K-x
              Nikon D90 Pentax K-x

              discussion

              Nikon D90
              D90
              Nikon

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              Pentax K-x
              K-x
              Pentax

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