Camera Rocket Review Our evaluation of D5100 vs T3

Image Quality

RAW image quality independent of lens

D5100
9.6
Rebel T3
8.5
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

D5100
6.5
Rebel T3
6.4
Focus lag, cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

D5100
8.2
Rebel T3
8.4
Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

D5100
9.1
Rebel T3
9.0
Reviews from nikonrumors.com, reviews.cnet.com, trustedreviews.com, 1001noisycameras.com and 4 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

D5100
8.9
Rebel T3
8.5

Winner
Nikon D5100 

Camera Rocket recommends the Nikon D5100  based on its image quality, focusing and reviews.

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Benchmarks Real world tests of D5100 vs Rebel T3

Low light image quality Highest ISO setting that still achieves great image quality

D5100
1,183 ISO
Rebel T3
755 ISO

Resolution Results from photos of standard resolution charts

D5100
2,600 LPH
Rebel T3
1,700 LPH

Focus lag Delay between fully pressing shutter to image capture

D5100
273 ms
Rebel T3
309 ms

Shutter lag Delay to take a photo when prefocused

D5100
114 ms
Rebel T3
113 ms

Startup delay Delay from power on to first photo

D5100
500 ms
Rebel T3
300 ms

Continuous shooting Delay between fully pressing shutter to image capture

D5100
4 fps
Rebel T3
3 fps

Features Key features of the D5100  vs Rebel T3 

Megapixels Maximum resolution images are captured at

D5100
16.1 MP
Rebel T3
12.2 MP

Max ISO Maximum light sensitivity of the sensor

D5100
25,600 ISO
Rebel T3
6,400 ISO

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

D5100
3"
Rebel T3
2.7"

Viewfinder size Large viewfinders are brighter and more comfortable to use

D5100
0.51x
Rebel T3
0.54x

Pixel size How much area of the sensor is dedicated to each pixel

D5100
22.9 microns
Rebel T3
26.8 microns

Reviews Word on the street

D5100  vs Rebel T3 

7.6
6.9
Here we look at the RAW files processed through Adobe Camera Raw (in this case version 6.4 beta).
D5100

9.0
9.0
Ultimately the Nikon D5100 easily overcomes its few real weak points, offering a compelling mix of great image and movie quality, precise and quick auto-focusing, accurate metering and a fantastic LCD screen, all in a format that most users will find intutive and enjoyable to use.
D5100

8.0
7.0
We found the D5100’s 11-point phase-detect system to be generally fast enough when shooting through the viewfinder, although it is worth reiterating that because the D5100 lacks an internal AF motor, AF performance is very much determined by the choice of lens attached – in this case the supplied 18-55mm VR kit lens.
D5100

8.0
8.0
It would also be nice to have control over the exposure or at least exposure compensation when these modes are selected.
D5100

Overall

8.2 Out of 10
8.0 Out of 10

Specifications Full list of technical specs

sensor

D5100  vs
Rebel T3 
Type CMOS CMOS
Megapixels 16.1 MP 12.2 MP
Resolution 4928 x 3264 4272 x 2848
Size APS-C APS-C
Area 23.6 x 15.6 mm 22.2 x 14.7 mm
Crop factor 1.5x 1.6x
Pixel size 22.9 microns 26.8 microns
Light sensitivity 100 ISO to 6,400 ISO 100 ISO to 6,400 ISO
Codecs
NEF 14bit
RAW
JPEG
Self cleaning sensor Yes No
Tested vertical resolution 2,600 LPH 1,700 LPH
Tested horizontal resolution 2,600 LPH 1,700 LPH

focus system

Type Phase detection Phase detection
Focus points 11 9
Cross type focus points 1 1
Supports continuous No No

shutter

Min 30 s 30 s
Max 1/4000 s 1/4000 s

form factor

Size 127 x 96.5 x 78.7 mm 130 x 100 x 78 mm
Thickness 78.7 mm 78 mm
Weight 560 g 459 g
Is weather sealed No No

features

Is a smart camera No No
Includes a GPS No No
Supports HDR Yes No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization

video

D5100  vs
Rebel T3 
Video 1920 x 1080 @ 30 fps 1280 x 720 @ 30 fps
Shoots video in 24p Yes No
Shoots high speed video No No
External mic jack 3.5mm None
Autofocus while shooting video Contrast detection

display

Type LCD LCD
Size 3" 2.7"
Resolution 920 k dots 230 k dots
Has a touch screen No No
Has a flip out screen Yes No
Supports live view Yes Yes

viewfinder

Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentamirror Pentamirror
Coverage 95% 95%
Magnification 0.78x 0.87x
Viewfinder size 0.51x 0.54x

performance

Max continuous shooting 4 fps 3 fps
Battery life 660 700
Continuous shooting
4 fps, JPEG
3 fps, JPEG
Focus lag 273 ms 309 ms
Shutter lag 114 ms 113 ms
Startup delay 500 ms 300 ms
Nikon D5100
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Canon Rebel T3
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