Updated (September 2010): Compare the Nikon D3100 vs Nikon D7000

Nikon D7000 vs Nikon D3100

Winner
Nikon D7000

100

Nikon D3100

65

Runner-up

Reasons to buy the Nikon D7000

Large viewfinder
Viewfinder size
0.62x
Weather sealed
Weather sealed
Shoot in extreme weather
Rapid fire
Continuous shooting
6 fps
Great viewfinder
Viewfinder
Pentaprism
 

Reasons to buy the Nikon D3100

Size
Really small
Prosumer size (124×97×74 mm)
Thickness
Thin
2.9"
Movie format
Full HD
1080p @ 24fps
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies

galleries

Explore our gallery of 48 sample photos taken by the Nikon D3100.
Explore our gallery of 50 sample photos taken by the Nikon D7000.

competitors

Nikon D7000 Competitors

Nikon D5600

Nikon D5600

Entry-level DSLR

$560 - $597 body only

$569 - $647 with 18-55mm lens

True resolution Much higher true resolution
Movie format Lower frame rate movies
Viewfinder size Significantly smaller viewfinder
Nikon D90

Nikon D90

Entry-level DSLR

$599 body only

$1,758 with 18-105mm lens

Lowest price Much cheaper
Viewfinder size Larger viewfinder
True resolution Much lower true resolution
Canon EOS 7D

Canon EOS 7D

Pro DSLR

$1,099 body only

$2,292 with 18-200mm lens

True resolution Much higher true resolution
Continuous shooting Shoots much faster
Focus points Significantly fewer focus points

Nikon D3100 Competitors

Nikon D5100

Nikon D5100

Entry-level DSLR

$1,525 with 55-200mm lens

True resolution Much higher true resolution
Screen resolution Much higher resolution screen
Lowest price Much more expensive
Nikon D3400

Nikon D3400

Entry-level DSLR

$320 body only

$397 - $497 with 18-55mm lens

True resolution Much higher true resolution
Screen resolution Much higher resolution screen
Size Larger
Nikon D3000

Nikon D3000

Entry-level DSLR

$600 with 18-55mm, 55-200mm lenses

Thickness Much thinner
Size Significantly smaller
True resolution Much lower true resolution

discussion

Nikon D7000
D7000
Nikon

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Nikon D3100
D3100
Nikon

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Showing 8 comments

Avatar for Snapsort Snapsort (4:29 PM, April 05, 2011)
Hi Mohd, camera weight is a factor. I have shot with the Nikon D3 with the 24-70 f/2.8 lens, and it is really heavy, my wife can't hold it with one hand.

A DSLR that offers great image quality but is still light and small would be great!
 
Avatar for Mohd Baker Mohd Baker (10:18 AM, March 31, 2011)
if you think weight is more important than image quality, why you're interested in a DSLR in the first place? a point and shot camera is going to be extremely useful for you since they can be more than 2X lighter than a D3100.
 
Avatar for Mohd Baker Mohd Baker (9:50 AM, March 31, 2011)
I think by the time you master your photography and feel the limitation of your D3100, there will be another update cycle in Nikon range of cameras, probably you'll be getting the D7100.
 
Biomarkunit (5:03 AM, March 21, 2011)
I agree, the D3100 is a smaller device which can easily replace any digital camera out there, there is no much potential in the D3100 for the price its offered at. However the D7000 is such a awesome piece of equipment. Im getting the D3100 and probs get the D7000 once I become better at Photographer.

Does anyone think having both is a waste of money? I figure since i will invest in Nikkon lenses I could just get the D7000 body by itself.
 
Ipatronius (5:46 AM, February 20, 2011)
OK, I just bought the D7000. I do love it. It is incredibly capable and though larger than the 3100, it's still much smaller than all the big honking Pro cameras. I was going to sell my D3100 but I love that too and nothing fits better in my small hands. So I'm just gong to have to keep it too!
 
Ipatronius (0:37 PM, February 19, 2011)
Don't forget the D-7000 has the command flash ability and IR remote, both lacking in the D-3100. But the smallness and lightness of the D3100 is very significant to me, especially when carrying around while travelling. I may have to keep my 3100 for trips and get a 7000 for taking portraits and use around the home....
 
Rick (1:24 AM, February 07, 2011)
lighter means more plastic, I prefer the weight.
 
Liamong27 (11:43 AM, January 19, 2011)
I know that The Nikon D7000 is more nicer but to be honest i find the Nikon D3100 more useful because its more lighter and much more cheaper even though i can afford the Nikon D7000 for me Nikon D3100 is MUCH MUCH MUCH better......