Updated (May, 2012): Compare the Nikon D3200 vs Pentax K-30

Pentax K-30

Winner
Pentax K-30

87

vs

Nikon D3100

54

Nikon D3100

Runner-up
     
 

Reasons to buy the Pentax K-30

Overall image quality
Great image quality
79.0
Movie format
Full HD
1080p @ 30fps
Color depth
Great color depth
23.7 bits
Dynamic range
Wide dynamic range
13 EV
 

Reasons to buy the Nikon D3100

Movie format
Full HD
1080p @ 24fps
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Badge
Autofocuses shooting video
Contrast detection
Size
Really small
Prosumer size 124x96x73 mm
 
Differences | Recommendations | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Nikon D3100

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Lens availability Much more lenses available 205 lenses vs 109 lenses
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Around 90% more lenses available
Startup delay Significantly less startup delay 400 ms vs 1100 ms
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2.7x less delay when turning on
Battery life Longer battery life 550 shots vs 410 shots
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More than 30% more shots per battery charge
Weight Significantly lighter 505 g vs 650 g
Help
More than 20% lighter
Lowest price Cheaper $269.99 vs $399.99
Help
The best price we've seen is $130 cheaper (more than 30% less)
Size Slightly smaller 124x96x73 mm vs 130x97x71 mm
Help
Almost the same
Nikon D3100 Learn more about
the Nikon D3100

Advantages of the Pentax K-30

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Screen resolution Much higher resolution screen 921k dots vs 230k dots
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More than 4x higher resolution screen
Dynamic range More dynamic range 13 EV vs 11.3 EV
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1.7 f-stops more dynamic range
Overall image quality Significantly better image quality 79.0 vs 67.0
Help
Around 20% better image quality
Low light performance Lower noise at high ISO 1,129 ISO vs 919 ISO
Help
The K-30 has a slight edge (0.3 f-stops) in low noise, high ISO performance
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
Help
Combines multiple exposures to capture high dynamic range
Continuous shooting Shoots much faster 6 fps vs 3 fps
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2x faster continuous shooting
Weather sealed Weather sealed Yes vs No
Help
Sealed to shoot in the rain
Viewfinder size Significantly larger viewfinder 0.61x vs 0.51x
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Around 40% larger viewfinder
Color depth Better color depth 23.7 bits vs 22.5 bits
Help
Distinguishes 1.2 more bits of color
Shutter lag Significantly less shutter lag 162 ms vs 279 ms
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More than 40% less delay when taking photos
Cross type focus points Significantly more cross-type focus points 9 vs 1
Help
Grab focus in difficult situations
Movie format Lower frame rate movies 1080p @ 30fps vs 1080p @ 24fps
Help
Both shoot Full HD (1080p) video, but D3100 does so at a lower frame rate
Sensor size Larger sensor APS-C 23.7x15.7mm vs APS-C 23.1x15.4mm
Help
Almost the same
Viewfinder coverage Significantly better viewfinder coverage 100% vs 95%
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Around 10% better viewfinder coverage
Viewfinder Has a pentaprism viewfinder Pentaprism vs Pentamirror
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Pentaprism viewfinders are typically brighter
Light sensitivity Better maximum light sensitivity 12,800 ISO vs 3,200 ISO
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The K-30's maximum light sensitivity is 2 f-stops better
True resolution Higher true resolution 16.1 MP vs 14.2 MP
Help
Capture more than 10% more detail in your photos
Light sensitivity (boost) Better boost ISO 25,600 ISO vs 12,800 ISO
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The K-30's boost ISO is 1 f-stop better
Fastest shutter speed Significantly faster max shutter speed 1/6000s vs 1/4000s
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More than 30% faster max shutter speed
Thickness Thinner 2.8" vs 2.9"
Help
Almost the same
Pentax K-30 Learn more about
the Pentax K-30
vs

recommendations

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

Snapsort Recommends
Nikon D3100 Nikon D3100 54
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        vs

        87 Pentax K-30 Pentax K-30
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              similarities

              Compared to recent entry-level DSLRs

              Common Strengths Common Weaknesses
              Size Fairly small Help
              D3100:124x96x73 mm
              K-30:130x97x71 mm
              Lowest price Inexpensive Help
              D3100:$269.99
              K-30:$399.99
              External mic jack Neither has an external mic jack Help
              Limited to the in-camera mic
              True resolution Capture low resolution images Help
              D3100:14.2 MP
              K-30:16.1 MP
              Screen flips out No flip-out screens Help
              Less flexible

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $319 - $831 body only

              $477 with 18-55mm lens

              True resolution Takes much higher resolution photos
              External mic jack Has an external mic jack
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon D5100

              Nikon D5100

              Entry-level DSLR

              $378 - $415 body only

              $545 - $669 with 18-55mm lens

              Screen flips out Has a screen which flips out
              External mic jack Has an external mic jack
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $499 - $550 body only

              $549 - $575 with 18-55mm lens

              True resolution Takes slightly higher resolution photos
              Screen flips out Has a screen which flips out
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive
              Nikon D3300

              Nikon D3300

              Entry-level DSLR

              $439 - $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
              Lowest price Is slightly more expensive
              Nikon D90

              Nikon D90

              Entry-level DSLR

              $715 body only

              $950 - $1,079 with 18-105mm lens

              Battery life Has a significantly longer battery life
              Built-in focus motor Has a built-in focus motor
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is much more expensive
              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $497 body only

              $597 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
              Lowest price Is slightly more expensive
              Nikon D5300

              Nikon D5300

              Entry-level DSLR

              $697 - $747 body only

              $629 - $847 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
              Lowest price Is significantly more expensive

              Nikon D3100 Competitors

              Advantages

              Disadvantages

              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $680 - $700 body only

              $489 - $820 with 18-55mm lens

              Screen resolution Higher resolution screen
              True resolution Higher true resolution
              Low light performance More noise at high ISO
              Color depth Worse color depth
              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $389 - $418 body only

              $399 - $539 with 18-55mm lens

              Battery life Longer battery life
              Viewfinder size Larger viewfinder
              Movie format Lower resolution movies
              Screen size Significantly smaller screen

              Pentax K-30 Competitors

              Advantages

              Disadvantages

              Pentax K-50

              Pentax K-50

              Entry-level DSLR

              $390 - $516 body only

              $450 - $497 with 18-55mm lens

              Light sensitivity Better maximum light sensitivity
              Size Slightly smaller
              Pentax K-5

              Pentax K-5

              Entry-level DSLR

              $1,456 body only

              $825 with 18-55mm lens

              External mic jack Has an external mic jack
              Battery life Significantly longer battery life
              Supports 24p No 24p support
              Movie format Higher frame rate movies
              Pentax K-3

              Pentax K-3

              Entry-level DSLR

              $897 - $1,130 body only

              $1,169 - $1,550 with 18-135mm lens

              Cross type focus points Many more cross-type focus points
              Screen size Significantly larger screen
              Size Significantly larger
              Lowest price Much more expensive
              Pentax K-500

              Pentax K-500

              Entry-level DSLR

              $514 body only

              $449 - $597 with 18-55mm lens

              Light sensitivity Better maximum light sensitivity
              Battery life Significantly longer battery life
              Weather sealed No weather sealing
              Low light performance Slightly more noise at high ISO

              appearance

              Nikon D3100 Pentax K-30
              Nikon D3100 Pentax K-30
              Nikon D3100 Pentax K-30

              discussion

              Nikon D3100
              D3100
              Nikon

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              Pentax K-30
              K-30
              Pentax

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