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

Nikon D90

Winner
Nikon D90

69

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 Much 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
Help
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
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
Help
Almost the same
Lowest price Cheaper $629.00 vs $734.81
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The best price we've seen is $106 cheaper (more than 10% less)
Nikon D90 Learn more about
the Nikon D90

Advantages of the Pentax K-x

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HDR Has in-camera HDR Yes vs No
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Combines multiple exposures to capture high dynamic range
Image stabilization Image stabilization Sensor shift vs None
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Helps eliminate blur caused by small camera movements
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"
Help
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 69
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        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%
              Screen flips out No flip-out screens Help
              Less flexible
              Light sensitivity Poor maximum light sensitivity Help
              D90:3,200 ISO
              K-x:6,400 ISO
              Continuous shooting Slow continuous shooting Help
              D90:4.5 fps
              K-x:4.7 fps
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              3D Neither camera can take 3D photos Help
              No 3d support
              Focus points Few focus points Help
              11

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D5100

              Nikon D5100

              Entry-level DSLR

              $449 - $520 body only

              $545 - $696 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 D3200

              Nikon D3200

              Entry-level DSLR

              $497 - $580 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 D5200

              Nikon D5200

              Entry-level DSLR

              $647 body only

              $747 with 18-55mm lens

              Low light performance Is slightly less noisy at high ISO
              Overall image quality Has significantly better image quality
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Canon EOS 60D

              Canon EOS 60D

              Pro DSLR

              $699 - $871 body only

              $999 - $1,052 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

              $375 - $430 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

              $499 - $749 body only

              $550 - $600 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 D300

              Nikon D300

              Pro DSLR

              $1,700 body only

              Weather sealed Has a weather sealed body
              Continuous shooting Shoots faster continuously
              Lowest price Is much more expensive
              Thickness Is thicker

              Nikon D90 Competitors

              Advantages

              Disadvantages

              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $759 - $1,050 body only

              $920 - $1,385 with 18-105mm lens

              Movie format Higher resolution movies
              Low light performance Lower noise at high ISO
              Shutter lag More shutter lag
              Sensor size Smaller sensor
              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $1,147 body only

              $1,447 - $1,470 with 18-140mm lens

              Movie format Higher resolution movies
              Low light performance Lower noise at high ISO
              Shutter lag More shutter lag
              Lowest price Much more expensive

              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 Much larger screen
              Supports 24p No 24p support
              Low light performance Slightly more noise at high ISO
              Pentax K-500

              Pentax K-500

              Entry-level DSLR

              $439 - $576 with 18-55mm lens

              Movie format Higher resolution movies
              Screen resolution Much higher resolution screen
              Shutter lag More shutter lag
              Size Significantly larger
              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $276 - $298 body only

              $399 - $450 with 18-55mm lens

              Lens availability Significantly more lenses available
              Battery life Significantly longer battery life
              Dynamic range Less dynamic range
              Overall image quality Significantly worse image quality
              Pentax K-7

              Pentax K-7

              Entry-level DSLR

              $1,288 body only

              Screen resolution Much higher resolution screen
              Screen size Much larger screen
              Dynamic range Less dynamic range
              Low light performance More noise at high ISO

              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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