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
Startup delay
Almost no delay when powering up
400 ms startup delay
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Badge
Autofocuses shooting video
Contrast detection
 
Differences | Recommendations | Cast your vote | 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 Lighter 505 g vs 650 g
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More than 20% lighter
Lowest price Cheaper $278.29 vs $425.32
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The best price we've seen is $147 cheaper (more than 30% less)
Size Slightly smaller 124x96x73 mm vs 130x97x71 mm
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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
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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
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Combines multiple exposures to capture high dynamic range
Weather sealed Weather sealed Yes vs No
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Sealed to shoot in the rain
Color depth Better color depth 23.7 bits vs 22.5 bits
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Distinguishes 1.2 more bits of color
Viewfinder size Significantly larger viewfinder 0.61x vs 0.51x
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Around 40% larger viewfinder
Shutter lag Significantly less shutter lag 162 ms vs 279 ms
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More than 40% less delay when taking photos
Continuous shooting Shoots significantly faster 6 fps vs 3 fps
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2x faster continuous shooting
Cross type focus points Significantly more cross-type focus points 9 vs 1
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Grab focus in difficult situations
Movie format Lower frame rate movies 1080p @ 30fps vs 1080p @ 24fps
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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
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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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      Color
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        vs

        87 Pentax K-30 Pentax K-30
        Retailer
          Style
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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:$278.29
              K-30:$425.32
              Thickness Thin Help
              D3100:2.9"
              K-30:2.8"
              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
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post
              Focus points Few focus points Help
              11
              Movie format Full HD (1080p) video Help
              D3100:1080p @ 24fps
              K-30:1080p @ 30fps

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $319 - $567 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

              $370 - $400 body only

              $500 - $590 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
              Thickness Is thicker
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $499 - $774 body only

              $200 - $617 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
              Thickness Is thicker
              Nikon D3300

              Nikon D3300

              Entry-level DSLR

              $597 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

              $629 - $769 body only

              $848 - $948 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 significantly more expensive
              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $597 body only

              $579 - $697 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 D7000

              Nikon D7000

              Entry-level DSLR

              $700 - $740 body only

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

              External mic jack Has an external mic jack
              Battery life Has a much longer battery life
              Lowest price Is significantly more expensive
              Thickness Is thicker

              Nikon D3100 Competitors

              Advantages

              Disadvantages

              Canon Rebel T3

              Canon Rebel T3

              Entry-level DSLR

              $290 - $329 body only

              $369 - $449 with 18-55mm lens

              Battery life Longer battery life
              Viewfinder size Larger viewfinder
              Movie format Lower resolution movies
              Screen size Significantly smaller screen
              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $599 - $681 body only

              $499 - $823 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

              Pentax K-30 Competitors

              Advantages

              Disadvantages

              Pentax K-50

              Pentax K-50

              Entry-level DSLR

              $421 - $473 body only

              $515 - $547 with 18-55mm lens

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

              Pentax K-5

              Entry-level DSLR

              $730 body only

              $830 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-500

              Pentax K-500

              Entry-level DSLR

              $399 - $736 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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