Updated (October, 2012): Compare the Nikon D5200 vs Pentax K-7

Nikon D5100

Winner
Nikon D5100

72

vs

Pentax K-7

61

Pentax K-7

Runner-up
     

Reasons to buy the Nikon D5100

Low noise at high ISO
Low light performance
1,183 ISO
Great image quality
Overall image quality
80.0
Full HD
Movie format
1080p @ 30fps
Wide dynamic range
Dynamic range
13 EV
 

Reasons to buy the Pentax K-7

Viewfinder size
Large viewfinder
0.60x
Image stabilization
Image stabilization
Sensor shift
Weather sealed
Weather sealed
Shoot in extreme weather
Continuous shooting
Rapid fire
5.2 fps
 

differences

Advantages of the Nikon D5100

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Movie format
Higher resolution movies
1080p @ 30fps vs 720p @ 30fps
Help
Shoots higher resolution Full HD (1080p) video
Low light performance
Much lower noise at high ISO
1,183 ISO vs 536 ISO
Help
The D5100 has excellent image quality 1.1 f-stops higher ISO than the K-7
Overall image quality
Much better image quality
80.0 vs 61.0
Help
More than 30% better image quality
Dynamic range
More dynamic range
13 EV vs 10.6 EV
Help
2.4 f-stops more dynamic range
Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Screen flips out
Has a flip-out screen
Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Lens availability
Much more lenses available
205 lenses vs 109 lenses
Help
Around 90% more lenses available
Color depth
Better color depth
23.5 bits vs 22.6 bits
Help
Distinguishes 0.9 more bits of color
Light sensitivity (boost)
Better boost ISO
25,600 ISO vs 6,400 ISO
Help
The D5100's boost ISO is 2 f-stops better
True resolution
Higher true resolution
16.1 MP vs 14.5 MP
Help
Capture more than 10% more detail in your photos
Weight
Significantly lighter
560 g vs 750 g
Help
Around 30% lighter
Startup delay
Slightly less startup delay
500 ms vs 600 ms
Help
Around 20% less delay when turning on
Lowest price
Cheaper
$359.95 vs $599.00
Help
The best price we've seen is $239 cheaper (around 40% less)
Light sensitivity
Better maximum light sensitivity
6,400 ISO vs 3,200 ISO
Help
The D5100's maximum light sensitivity is 1 f-stop better
Sensor size
Slightly larger sensor
APS-C 23.6x15.6mm vs APS-C 23.4x15.6mm
Help
Almost the same
Nikon D5100 Learn more about
the Nikon D5100

Advantages of the Pentax K-7

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Image stabilization
Image stabilization
Sensor shift vs None
Help
Helps eliminate blur caused by small camera movements
Shutter lag
Much less shutter lag
93 ms vs 273 ms
Help
2.9x less delay when taking photos
Weather sealed
Weather sealed
Yes vs No
Help
Sealed to shoot in the rain
Viewfinder size
Significantly larger viewfinder
0.60x vs 0.51x
Help
Around 40% larger viewfinder
Cross type focus points
Significantly more cross-type focus points
9 vs 1
Help
Grab focus in difficult situations
Viewfinder coverage
Significantly better viewfinder coverage
100% vs 95%
Help
Around 10% better viewfinder coverage
Continuous shooting
Shoots faster
5.2 fps vs 4 fps
Help
More than 30% faster continuous shooting
Viewfinder
Has a pentaprism viewfinder
Pentaprism vs Pentamirror
Help
Pentaprism viewfinders are typically brighter
Battery life
Longer battery life
740 shots vs 660 shots
Help
More than 10% more shots per battery charge
Thickness
Significantly thinner
2.9" vs 3.1"
Help
Around 10% thinner
Fastest shutter speed
Much faster max shutter speed
1/8000s vs 1/4000s
Help
2x faster max shutter speed
Size
Smaller
131x97x73 mm vs 127x96x78 mm
Help
Almost the same
Pentax K-7 Learn more about
the Pentax K-7
vs

recommendations

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

Snapsort Recommends
Nikon D5100 Nikon D5100 72
Retailer
    Style
      Color
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        vs

        61 Pentax K-7 Pentax K-7
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent entry-level DSLRs

              Common Strengths
              External mic jack Have external mic jacks Help
              Record higher quality audio with a microphone
              Common Weaknesses
              True resolution Capture low resolution images Help
              D5100:16.1 MP
              K-7:14.5 MP
              Light sensitivity Poor maximum light sensitivity Help
              D5100:6,400 ISO
              K-7:3,200 ISO
              Focus points Few focus points Help
              11
              Panorama Neither camera stitches together panoramas Help
              You could stitch photos in post

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D3200

              Nikon D3200

              Entry-level DSLR

              $309 - $527 body only

              $389 - $447 with 18-55mm lens

              True resolution Takes much higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $497 body only

              $597 with 18-55mm lens

              Movie format Records higher quality movies
              True resolution Takes much higher resolution photos
              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 - $630 with 18-55mm lens

              True resolution Takes slightly higher resolution photos
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive
              Nikon D5300

              Nikon D5300

              Entry-level DSLR

              $697 body only

              $599 - $797 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 D3100

              Nikon D3100

              Entry-level DSLR

              $272 body only

              $390 - $409 with 18-55mm lens

              Fastest shutter speed Has a slower max shutter speed
              Sensor size Has a marginally smaller sensor
              Nikon D7000

              Nikon D7000

              Entry-level DSLR

              $625 body only

              $679 - $1,025 with 18-55mm lens

              Continuous shooting Shoots faster continuously
              Battery life Has a significantly longer battery life
              Lowest price Is significantly more expensive
              Thickness Is thicker
              Nikon D90

              Nikon D90

              Entry-level DSLR

              $750 body only

              $900 with 18-55mm lens

              Viewfinder size Slightly larger viewfinder
              Battery life Has a slightly longer battery life
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is significantly more expensive

              Nikon D5100 Competitors

              Advantages

              Disadvantages

              Nikon D3300

              Nikon D3300

              Entry-level DSLR

              $439 - $497 with 18-55mm lens

              Movie format Higher frame rate movies
              Low light performance Lower noise at high ISO
              HDR Lacks in-camera HDR
              Screen flips out Screen does not flip out
              Canon EOS Rebel T5

              Canon EOS Rebel T5

              Entry-level DSLR

              $430 - $450 with 18-55mm lens

              True resolution Higher true resolution
              Weight Lighter
              Low light performance Significantly more noise at high ISO
              Overall image quality Much worse image quality

              Pentax K-7 Competitors

              Advantages

              Disadvantages

              Pentax K-5

              Pentax K-5

              Entry-level DSLR

              $1,169 body only

              $910 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Much lower noise at high ISO
              Lowest price Significantly more expensive
              Shutter lag Slightly more shutter lag
              Pentax K-30

              Pentax K-30

              Entry-level DSLR

              $370 body only

              $525 - $560 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Much lower noise at high ISO
              External mic jack Lacks an external mic jack
              Battery life Significantly shorter battery life
              Pentax K20D

              Pentax K20D

              Entry-level DSLR

              $442 with 18-55mm lens

              Low light performance Lower noise at high ISO
              Overall image quality Better image quality
              Movie format Does not take movies
              Screen resolution Much lower resolution screen
              Pentax K-r

              Pentax K-r

              Entry-level DSLR

              $399 body only

              $796 with 18-55mm lens

              Dynamic range More dynamic range
              Overall image quality Significantly better image quality
              Weather sealed No weather sealing
              External mic jack Lacks an external mic jack
              Pentax K-3

              Pentax K-3

              Entry-level DSLR

              $729 - $1,067 body only

              $947 - $1,358 with 18-55mm lens

              Movie format Higher resolution movies
              Low light performance Much lower noise at high ISO
              Battery life Shorter battery life
              Startup delay More startup delay

              appearance

              Nikon D5100 Pentax K-7
              Nikon D5100 Pentax K-7
              Nikon D5100 Pentax K-7

              discussion

              Nikon D5100
              D5100
              Nikon

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              Pentax K-7
              K-7
              Pentax

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