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Canon T7i vs Nikon D3100

Portability
67
Imaging
67
Features
84
Overall
73
Canon EOS Rebel T7i front
 
Nikon D3100 front
Portability
68
Imaging
54
Features
59
Overall
56

Canon T7i vs Nikon D3100 Key Specs

Canon T7i
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600 (Bump to 51200)
  • 1920 x 1080 video
  • Canon EF/EF-S Mount
  • 532g - 131 x 100 x 76mm
  • Launched February 2017
  • Also referred to as EOS 800D / Kiss X9i
  • Succeeded the Canon T6i
  • Newer Model is Canon T8i
Nikon D3100
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200 (Expand to 12800)
  • 1920 x 1080 video
  • Nikon F Mount
  • 505g - 124 x 96 x 75mm
  • Introduced December 2010
  • Earlier Model is Nikon D3000
  • New Model is Nikon D3200
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Canon T7i vs Nikon D3100 Overview

Its time to look closer at the Canon T7i and Nikon D3100, both Entry-Level DSLR cameras by rivals Canon and Nikon. There is a considerable difference among the sensor resolutions of the T7i (24MP) and D3100 (14MP) but both cameras boast the identical sensor measurements (APS-C).

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The T7i was launched 6 years later than the D3100 and that is a fairly large difference as far as camera tech is concerned. Both cameras feature different body design with the Canon T7i being a Mid-size SLR camera and the Nikon D3100 being a Compact SLR camera.

Before we go into a detailed comparison, here is a quick summary of how the T7i grades versus the D3100 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Canon T7i over the Nikon D3100

 T7i D3100 
IntroducedFebruary 2017December 2010More recent by 75 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1040k230kClearer screen (+810k dot)
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Nikon D3100 over the Canon T7i

 D3100 T7i 

Common features in the Canon T7i and Nikon D3100

 T7i D3100 
Focus manually Very precise focusing
Screen size3"3"Same screen measurements

Canon T7i vs Nikon D3100 Physical Comparison

If you are aiming to lug around your camera regularly, you'll need to take into account its weight and measurements. The Canon T7i features physical dimensions of 131mm x 100mm x 76mm (5.2" x 3.9" x 3.0") with a weight of 532 grams (1.17 lbs) whilst the Nikon D3100 has proportions of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") and a weight of 505 grams (1.11 lbs).

Check the Canon T7i and Nikon D3100 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change depending on the lens you are working with during that time. Underneath is a front view dimension comparison of the T7i versus the D3100.

Canon T7i vs Nikon D3100 size comparison

Taking into consideration size and weight, the portability rating of the T7i and D3100 is 67 and 68 respectively.

Canon T7i vs Nikon D3100 top view buttons comparison

Canon T7i vs Nikon D3100 Sensor Comparison

Often, its tough to visualize the contrast in sensor measurements just by going through specifications. The graphic below should offer you a stronger sense of the sensor sizes in the T7i and D3100.

Plainly, both the cameras come with the identical sensor size albeit different resolution. You can count on the Canon T7i to produce more detail utilizing its extra 10MP. Higher resolution can also enable you to crop shots a good deal more aggressively. The younger T7i should have an advantage when it comes to sensor innovation.

Canon T7i vs Nikon D3100 sensor size comparison

Canon T7i vs Nikon D3100 Screen and ViewFinder

Canon T7i vs Nikon D3100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon T7i Portrait photography details
Nikon D3100 Portrait photography details
80
focusing manually
decent megapixels (24MP)
nice sensor size (APS-C)
supports face detect focus
saves RAW files
72
manual focus
good MP (14 megapixels)
sensor size is good (APS-C)
includes face detection focus
saves RAW files
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Street Comparison

Canon T7i Street photography factors
Nikon D3100 Street photography factors
73
screen articulates
nice sensor size (APS-C)
saves RAW files
features focus by touch
great ISO range (25,600)
does not have image stabilization
58
sensor size is good (APS-C)
saves RAW files
fixed screen
no image stabilization
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Sports Comparison

Sports photography with Canon T7i
Sports photography with Nikon D3100
66
decent megapixels (24MP)
nice sensor size (APS-C)
supports tracking focus
supports phase detect auto focus
low frames per second (6.0 frames/s)
does not have image stabilization
60
good MP (14MP)
sensor size is good (APS-C)
includes tracking autofocus
supports phase detect auto focus
painfully slow continuous shooting (3.0 frames/s)
no image stabilization
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Travel Comparison

Travel photography with Canon T7i
Travel photography with Nikon D3100
80
connects via bluetooth
features focus by touch
decent megapixels (24 megapixels)
built-in flash
display is selfie friendly
58
good MP (14MP)
flash built-in
missing Time Lapse recording
doesn't contain selfie friendly display
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Landscape Comparison

Canon T7i Landscape photography details
Nikon D3100 Landscape photography details
77
focusing manually
swap lenses (Canon EF/EF-S mount)
screen is a decent size (3 inches)
decent megapixels (24 megapixels)
nice sensor size (APS-C)
great ISO range (25,600)
saves RAW files
does not have image stabilization
65
manual focus
switch lenses (Nikon F mount)
pretty good screen size (3")
good MP (14MP)
sensor size is good (APS-C)
saves RAW files
no image stabilization
missing Time Lapse recording
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Vlogging Comparison

Canon T7i as a Vlogging camera
Nikon D3100 as a Vlogging camera
73
display is selfie friendly
touchscreen enabled
supports face detect focus
video resolution high (1920 x 1080 pixels)
comes with microphone support
does not have image stabilization
27
includes face detection focus
great video quality (1920 x 1080 pxls)
doesn't contain selfie friendly display
no image stabilization
missing external mic port
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Canon T7i vs Nikon D3100 Specifications

Detailed spec comparison table for Canon T7i and Nikon D3100
 Canon EOS Rebel T7iNikon D3100
General Information
Brand Name Canon Nikon
Model Canon EOS Rebel T7i Nikon D3100
Also called EOS 800D / Kiss X9i -
Type Entry-Level DSLR Entry-Level DSLR
Launched 2017-02-15 2010-12-21
Body design Mid-size SLR Compact SLR
Sensor Information
Chip DIGIC 7 Expeed 2
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 22.3 x 14.9mm 23.1 x 15.4mm
Sensor surface area 332.3mm² 355.7mm²
Sensor resolution 24 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 6000 x 4000 4608 x 3072
Max native ISO 25600 3200
Max boosted ISO 51200 12800
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 45 11
Cross focus points - 1
Lens
Lens mount Canon EF/EF-S Nikon F
Amount of lenses 326 309
Focal length multiplier 1.6 1.6
Screen
Display type Fully Articulated Fixed Type
Display size 3 inches 3 inches
Resolution of display 1,040 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch friendly
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95% 95%
Viewfinder magnification 0.51x 0.53x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting speed 6.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash options - Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/200s 1/200s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4
Mic jack
Headphone jack
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional Optional
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 532 gr (1.17 pounds) 505 gr (1.11 pounds)
Physical dimensions 131 x 100 x 76mm (5.2" x 3.9" x 3.0") 124 x 96 x 75mm (4.9" x 3.8" x 3.0")
DXO scores
DXO All around score not tested 67
DXO Color Depth score not tested 22.5
DXO Dynamic range score not tested 11.3
DXO Low light score not tested 919
Other
Battery life 600 shots 550 shots
Style of battery Battery Pack Battery Pack
Battery model - EN-EL14
Self timer Yes (2 or 10 sec) Yes
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-I compatible) SD/SDHC/SDXC
Storage slots One One
Cost at launch $749 $565