Pentax K-30 vs Nikon D3100

Winner
Pentax K-30

87

Nikon D3100

53

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

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 (124×97×74 mm)
Movie format
Full HD
1080p @ 24fps

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

$461 body only

$447 with 18-55mm lens

Light sensitivity Better maximum light sensitivity
Size Slightly smaller
Lowest price Slightly more expensive
Pentax K-70

Pentax K-70

Entry-level DSLR

$647 body only

$897 with 18-135mm lens

Movie format Lower frame rate movies
Light sensitivity Better maximum light sensitivity
Lowest price More expensive
Pentax K-5

Pentax K-5

Entry-level DSLR

$639 body only

$803 with 18-55mm lens

External mic jack Has an external mic jack
Startup delay Significantly less startup delay
Supports 24p No 24p support

Nikon D3100 Competitors

Nikon D3300

Nikon D3300

Entry-level DSLR

$452 body only

$399 - $547 with 18-55mm lens

Low light performance Significantly lower noise at high ISO
Screen resolution Much higher resolution screen
Size Slightly larger
Canon EOS Rebel T5

Canon EOS Rebel T5

Entry-level DSLR

$268 body only

$330 - $399 with 18-55mm lens

Screen resolution Significantly higher resolution screen
True resolution Significantly higher true resolution
Color depth Worse color depth
Nikon D3200

Nikon D3200

Entry-level DSLR

$299 body only

$349 with 18-55mm lens

Screen resolution Much higher resolution screen
Dynamic range More dynamic range
Thickness Thicker

discussion

Pentax K-30
K-30
Pentax

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Nikon D3100
D3100
Nikon

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