Pentax K-30 vs Nikon D3100

Winner
Pentax K-30

100

Nikon D3100

61

Runner-up

Reasons to buy the Pentax K-30

Low noise at high ISO
Low light performance
1,129 ISO
Great image quality
Overall image quality
79.0
Full HD
Movie format
1080p @ 30fps
Great color depth
Color depth
23.7 bits
 

Reasons to buy the Nikon D3100

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
Sensor cleaning
Self cleaning sensor
Avoids dust in your photos

galleries

Explore our gallery of 48 sample photos taken by the Nikon D3100.
Explore our gallery of 50 sample photos taken by the Pentax K-30.

competitors

Pentax K-30 Competitors

Pentax K-50

Pentax K-50

Entry-level DSLR

$369 body only

$450 with 18-55mm lens

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

Pentax K-5

Entry-level DSLR

$639 body only

$1,549 with 18-55mm lens

External mic jack Has an external mic jack
Dynamic range More dynamic range
Supports 24p No 24p support
Pentax K-S2

Pentax K-S2

Entry-level DSLR

$499 - $527 body only

$530 - $549 with 18-50mm lens

True resolution Significantly higher true resolution
Screen flips out Has a flip-out screen
Continuous shooting Shoots slower

Nikon D3100 Competitors

Nikon D3300

Nikon D3300

Entry-level DSLR

$436 body only

$400 - $447 with 18-55mm lens

Screen resolution Much higher resolution screen
Dynamic range More dynamic range
Size Slightly larger
Canon Rebel T3

Canon Rebel T3

Entry-level DSLR

$479 body only

$299 with 18-55mm lens

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

Canon EOS Rebel T5

Entry-level DSLR

$325 body only

$380 - $399 with 18-55mm lens

Screen resolution Much higher resolution screen
True resolution Significantly higher true resolution
Color depth Worse color depth

discussion

Pentax K-30
K-30
Pentax

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Nikon D3100
D3100
Nikon

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