4.88 in 2.93 in  | 5.2 in 4.06 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D3100 |  Nikon D7000 | |
|---|---|---|
| Sensor type | CMOS | CMOS |
| Image sensor format | DX | Full frame |
| Sensor size | 0.91 in | 0.93 in |
| Sensor photo detectors | 15.0 Mpx | 17.0 Mpx |
| Effective pixels | 14.0 Mpx | 16.0 Mpx |
| Image ratio w:h | 3:2 | 3:2 |
| Max resolution | 4608 x 3072 px | 4928 x 3264 px |
| Other resolutions |
|
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| Processor | Expeed 2 | Expeed 2 |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| ISO |
|
|
| ISO minimum | 100 | 200 |
| ISO maximum | 12800 | 6400 |
| Boosted ISO maximum | 12800 | 25600 |
| Maximum image resolution | 4608 x 3072 px | 4928 x 3264 px |
| White balance presets | 12 | 12 |
| White balance modes |
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|
| Custom white balance | yes | yes |
| Supported image file formats |
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| Photo effects | Black&White |
|
| Image stabilizer | no | yes |
| Image stabilization type | No | No |
| Supported aspect ratios | 16:9 | 16:9 |
| Uncompressed format | RAW | RAW |
| AEB/HDR support | no | yes |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Lens mount | Nikon-AF | Nikon F |
| Optical zoom | 3.0 x | 5.3 x |
| Magnification (Crop factor) | 1.5 x | 1.5 x |
| Maximum aperture | 3.5 | 2.8 |
| AF assist (auto-focus assist light) | Lamp | Lamp |
| Focus adjustment | Auto | Auto |
| Contrast autofocus | yes | yes |
| Brightness adjustment | yes | yes |
| Autofocus in recording mode | yes | yes |
| Focal length multiplier | 1.5x | 1.5x |
| Autofocus | Single Auto Focus |
|
| Auto Focus (AF) lock | yes | yes |
| Manual focus | yes | yes |
| Auto Focus (AF) points selection |
|
|
| Auto Focus (AF) assist beam | yes | yes |
| Number of focus points | 11 | 39 |
| Max number of AF points (incl. assistant) | 11 | 39 |
| Image stabiliser | Lens based only | Lens based only |
| Filter diameter | 2.05 in | 2.83 in |
| Phase detection autofocus | yes | yes |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Screen size | 3.0 in | 3.0 in |
| Articulated LCD | no | no |
| Screen technology | LCD | LCD |
| Screen dots | 230000 | 921000 |
| Touch screen | no | no |
| Field of view | 95.0 % | 100.0 % |
| Live view | yes | yes |
| Viewfinder | Optical | Optical |
| Viewfinder coverage | 95.0 % | 100.0 % |
| Viewfinder magnification | 0.8 x | 0.95 x |
| Dioptre correction | yes | yes |
| Diopter adjustment (D-D) | -1.7 - 0.5 | 3 - 1 |
| Eye relief | 0.71 in | 0.77 in |
| Separate info display | no | yes |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Camera shutter type |
| Electronic |
| Minimum shutter speed | 30.0 s | 30.0 s |
| Maximum shutter speed | 1.0 s | 1.0 s |
| Shutter priority | yes | yes |
| Aperture priority | yes | yes |
| Manual exposure mode | yes | yes |
| Exposure compensation plus | 5 | 5 |
| Exposure compensation minus | -5 | -5 |
| Expousure compensation steps | 1/3 |
|
| Auto exposure lock | yes | yes |
| Continuous shooting | yes | yes |
| Self-timer delay | 10.0 s |
|
| Histogram | yes | yes |
| WB Bracketing | No | Yes |
| Subject / scene modes | yes | yes |
| Flash sync speed | 1/200s | 1/250s |
| Built-in flash | yes | yes |
| Flash range | 12 | 12 |
| Flash modes |
|
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| External flash connection | Hot shoe | Hot shoe |
| External flash | yes | yes |
| Continuous drive | 3.0 fps | 6.0 fps |
| Scene modes |
|
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| Self-timer | yes | yes |
| Metering modes |
|
|
| Manual settings | yes | yes |
| Speed (JPEG) | 3.0 fps | 6.0 fps |
| Speed (RAW) | 3.0 fps | 6.0 fps |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
| Video recording | yes | yes |
| Recording resolutions | 1280.0 px |
|
| HD type | Full HD | Full HD |
| Supported video file formats |
| MOV |
| Analog signal format system |
|
|
| Camera playback |
|
|
| Max resolution (highest frame rate) | 1280 x 720 | 1280 x 720 |
| Max frame rate (highest resolution) | 24.0 fps | 24.0 fps |
| Max frame rate (regardless of res.) | 30.0 fps | 30.0 fps |
| Motion JPEG frame rate | 30.0 fps | 24.0 fps |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Built-in microphone | no | yes |
| Microphone type | Mono | Mono |
| Voice recording | yes | yes |
| Audio system | Mono | Stereo |
| Supported audio file formats | PCM | PCM |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Body type | SLR | SLR |
| Body material | Plastic | Aluminum-magnesium |
| Colour of product |
| Black |
| Anti-dust system | yes | yes |
| Environmentally sealed | no | yes |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Weight | 16.05 oz | 27.51 oz |
| Width | 4.88 in | 5.2 in |
| Height | 2.93 in | 4.06 in |
| Depth | 3.78 in | 3.03 in |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Compatible memory cards |
|
|
| Dual memory card slots | yes | yes |
| Memory slots | 1 | 1 |
| Storage types |
|
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| Camera file system |
|
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| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| Power source type |
|
|
| Battery life (CIPA) | 550 | 1050 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| Number of batteries supported | 1 | 1 |
| AC adapter included | yes | no |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| HDMI | yes | yes |
| HDMI ports quantity | 1 | 1 |
| HDMI connector type | Mini | Mini |
| USB version | 2.0 | 2.0 |
| Microphone port | yes | yes |
| Wireless | Eye-Fi Connected | Eye-Fi Connected |
| DC-in jack | yes | yes |
| Remote control | yes | yes |
| PictBridge | yes | no |
| NFC | no | no |
| Wireless network (Wi-Fi) | no | no |
| Bluetooth | no | no |
| Firewire | no | no |
| Nikon D3100 | Nikon D7000 | |
|---|---|---|
| GPS | yes | yes |
| Orientation sensor | yes | yes |
| Calendar | yes | yes |
| Energy Star certified | no | no |
| Languages support |
|
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| Tripod mounting supported | yes | yes |
| On Screen Display (OSD) languages |
|
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| Image editing modes |
|
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| Pros | ||
|---|---|---|
| Cons |
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