Canon T6i vs Nikon D3100
The Canon EOS Rebel T6i (called Canon 750D in some regions) and the Nikon D3100 are two digital cameras that were announced, respectively, in February 2015 and August 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Canon has a resolution of 24 megapixels, whereas the Nikon provides 14.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T6i and the Nikon D3100? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
An illustration of the physical size and weight of the Canon T6i and the Nikon D3100 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.
The D3100 can be obtained in two different colors (black, red), while the T6i is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3100 is notably smaller (11 percent) than the Canon T6i. Moreover, the D3100 is markedly lighter (9 percent) than the T6i. In this context, it is worth noting that neither the T6i nor the D3100 are weather-sealed.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (T6i) and the Nikon Lens Catalog (D3100).
Concerning battery life, the T6i gets 440 shots out of its LP-E17 battery, while the D3100 can take 550 images on a single charge of its EN-EL14 power pack.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|1.||Canon T6i||132 mm||101 mm||78 mm||555 g||440||n||Feb 2015||749||ebay.com|
|2.||Nikon D3100||124 mm||96 mm||75 mm||505 g||550||n||Aug 2010||599||ebay.com|
|3.||Canon 77D||131 mm||100 mm||76 mm||540 g||600||n||Feb 2017||899||ebay.com|
|4.||Canon T7i||131 mm||100 mm||76 mm||532 g||600||n||Feb 2017||749||ebay.com|
|5.||Canon T6s||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649||ebay.com|
|6.||Canon T5||130 mm||100 mm||78 mm||480 g||500||n||Feb 2014||449||ebay.com|
|7.||Canon T5i||133 mm||100 mm||79 mm||580 g||440||n||Mar 2013||649||ebay.com|
|8.||Canon T4i||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849||ebay.com|
|9.||Canon T1i||129 mm||98 mm||62 mm||520 g||400||n||Mar 2009||799||ebay.com|
|10.||Canon XSi||129 mm||98 mm||62 mm||524 g||500||n||Jan 2008||799||ebay.com|
|11.||Canon XTi||127 mm||84 mm||65 mm||556 g||370||n||Aug 2006||799||ebay.com|
|12.||Canon XT||127 mm||94 mm||64 mm||540 g||400||n||Feb 2005||899||ebay.com|
|13.||Nikon D3200||125 mm||96 mm||77 mm||505 g||540||n||Apr 2012||599||ebay.com|
|14.||Nikon D5100||128 mm||97 mm||79 mm||560 g||660||n||Apr 2011||749||ebay.com|
|15.||Nikon D7000||132 mm||105 mm||77 mm||780 g||1050||Y||Sep 2010||1,499||ebay.com|
|16.||Nikon D3000||126 mm||97 mm||64 mm||536 g||500||n||Jul 2009||599||ebay.com|
|17.||Nikon D5000||127 mm||104 mm||80 mm||590 g||510||n||Apr 2009||749||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The D3100 was launched at a somewhat lower price (by 20 percent) than the T6i, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.
Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the D3100 is 7 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (T6i) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Despite having a smaller sensor, the Canon T6i offers a higher resolution of 24 megapixels, compared with 14.2 MP of the Nikon D3100. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 5.01μm for the D3100). However, it should be noted that the T6i is much more recent (by 4 years and 5 months) than the D3100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.
The resolution advantage of the Canon T6i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T6i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Nikon D3100 are 23 x 15.4 inches or 58.5 x 39 cm for good quality, 18.4 x 12.3 inches or 46.8 x 31.2 cm for very good quality, and 15.4 x 10.2 inches or 39 x 26 cm for excellent quality prints.
The T6i has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS Rebel T6i has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. The corresponding ISO settings for the Nikon D3100 are ISO 100 to ISO 3200, with the possibility to increase the ISO range to 100-12800.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the T6i has a notably higher overall DXO score than the D3100 (overall score 4 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.2 bits higher color depth, 0.7 EV in additional dynamic range, The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the T6i provides a higher frame rate than the D3100. It can shoot video footage at 1080/30p, while the Nikon is limited to 1080/24p.
Beyond body and sensor, cameras can and do differ across a range of features. The T6i and the D3100 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the D3100 has a higher magnification than the one of the T6i (0.53x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon T6i, the Nikon D3100, and comparable cameras.
|1.||Canon T6i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|2.||Nikon D3100||optical||n||3.0 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|3.||Canon 77D||optical||Y||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|4.||Canon T7i||optical||n||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|5.||Canon T6s||optical||Y||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|6.||Canon T5||optical||n||3.0 / 460||fixed||n||1/4000s||3.0/s||Y||n|
|7.||Canon T5i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|8.||Canon T4i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|9.||Canon T1i||optical||n||3.0 / 920||fixed||n||1/4000s||3.4/s||Y||n|
|10.||Canon XSi||optical||n||3.0 / 230||fixed||n||1/4000s||3.5/s||Y||n|
|11.||Canon XTi||optical||n||2.5 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|12.||Canon XT||optical||n||1.8 / 115||fixed||n||1/4000s||3.0/s||Y||n|
|13.||Nikon D3200||optical||n||3.0 / 921||fixed||n||1/4000s||4.0/s||Y||n|
|14.||Nikon D5100||optical||n||3.0 / 921||swivel||n||1/4000s||4.0/s||Y||n|
|15.||Nikon D7000||optical||Y||3.0 / 921||fixed||n||1/8000s||6.0/s||Y||n|
|16.||Nikon D3000||optical||n||3.0 / 230||fixed||n||1/4000s||3.0/s||Y||n|
|17.||Nikon D5000||optical||n||2.7 / 230||full-flex||n||1/4000s||4.0/s||Y||n|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The T6i has a touchscreen, while the D3100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.The T6i has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the D3100 does not have a selfie-screen.
Concerning the storage of imaging data, both the T6i and the D3100 write their files to SDXC cards. The T6i supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D3100 cannot take advantage of Ultra High Speed SD cards.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS Rebel T6i and Nikon D3100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon T6i||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|2.||Nikon D3100||Y||mono / mono||-||-||mini||2.0||-||-||-|
|3.||Canon 77D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|4.||Canon T7i||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|5.||Canon T6s||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|6.||Canon T5||Y||mono / mono||-||-||mini||2.0||-||-||-|
|7.||Canon T5i||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|8.||Canon T4i||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|9.||Canon T1i||Y||mono / mono||-||-||mini||2.0||-||-||-|
|10.||Canon XSi||Y||- / -||-||-||mini||2.0||-||-||-|
|11.||Canon XTi||Y||- / -||-||-||-||2.0||-||-||-|
|12.||Canon XT||Y||- / -||-||-||-||2.0||-||-||-|
|13.||Nikon D3200||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|14.||Nikon D5100||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|15.||Nikon D7000||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|16.||Nikon D3000||Y||- / -||-||-||-||2.0||-||-||-|
|17.||Nikon D5000||Y||mono / mono||-||-||mini||2.0||-||-||-|
It is notable that the T6i has a microphone port, which is missing on the D3100. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Both the T6i and the D3100 have been discontinued, but can regularly be found used on ebay. The D3100 was replaced by the Nikon D3200, while the T6i was followed by the Canon T7i. Further information on the features and operation of the T6i and D3100 can be found, respectively, in the Canon T6i Manual (free pdf) or the online Nikon D3100 Manual.
So how do things add up? Which of the two cameras – the Canon T6i or the Nikon D3100 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Canon EOS Rebel T6i:
- More detail: Offers more megapixels (24 vs 14.2MP) with a 30% higher linear resolution.
- Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
- Better video: Provides higher movie framerates (1080/30p versus 1080/24p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More modern: Reflects 4 years and 5 months of technical progress since the D3100 launch.
Reasons to prefer the Nikon D3100:
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.53x vs 0.51x).
- More compact: Is smaller (124x96mm vs 132x101mm) and will fit more readily into a bag.
- Longer lasting: Gets more shots (550 versus 440) out of a single battery charge.
- More affordable: Was released into a lower priced segment (20 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in August 2010).
If the count of individual advantages (bullet points above) is taken as a guide, the T6i is the clear winner of the match-up (15 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon T6i and the Nikon D3100 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T6i or the D3100. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Canon T6i||5/5||..||..||75/100||4.5/5||4.5/5||Feb 2015||749||ebay.com|
|2.||Nikon D3100||5/5||+ +||..||72/100||4.5/5||4.5/5||Aug 2010||599||ebay.com|
|3.||Canon 77D||4.5/5||..||4/5||82/100||4.5/5||4/5||Feb 2017||899||ebay.com|
|4.||Canon T7i||4.5/5||..||3.5/5||80/100||4.5/5||4/5||Feb 2017||749||ebay.com|
|5.||Canon T6s||5/5||+||..||77/100||4.5/5||4.5/5||Feb 2015||649||ebay.com|
|6.||Canon T5||3/5||+||..||..||4/5||4.5/5||Feb 2014||449||ebay.com|
|7.||Canon T5i||..||..||..||76/100||4.5/5||4.5/5||Mar 2013||649||ebay.com|
|8.||Canon T4i||4/5||+ +||..||77/100||4.5/5||4.5/5||Jun 2012||849||ebay.com|
|9.||Canon T1i||..||+ +||..||74/100||4.5/5||4.5/5||Mar 2009||799||ebay.com|
|10.||Canon XSi||..||+ +||..||+ +||4/5||4.5/5||Jan 2008||799||ebay.com|
|11.||Canon XTi||..||+ +||..||+ +||o||4/5||Aug 2006||799||ebay.com|
|12.||Canon XT||..||80/100||..||+ +||o||..||Feb 2005||899||ebay.com|
|13.||Nikon D3200||5/5||+ +||..||73/100||4.5/5||4.5/5||Apr 2012||599||ebay.com|
|14.||Nikon D5100||5/5||+ +||..||76/100||4.5/5||4.5/5||Apr 2011||749||ebay.com|
|15.||Nikon D7000||4/5||..||..||80/100||4.5/5||4.5/5||Sep 2010||1,499||ebay.com|
|16.||Nikon D3000||..||+||..||72/100||4/5||4.5/5||Jul 2009||599||ebay.com|
|17.||Nikon D5000||..||+ +||..||75/100||4/5||4.5/5||Apr 2009||749||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon G9 X Mark II vs Nikon D3100
- Canon SX620 vs Nikon D3100
- Canon SX720 vs Canon T6i
- Canon T6 vs Canon T6i
- Canon T6i vs Nikon D3
- Canon T6i vs Nikon D70
- Canon T6i vs Panasonic FZ100
- Canon T6i vs YI M1
- Nikon D3100 vs Olympus E-330
- Nikon D3100 vs Panasonic FZ1000
- Nikon D3100 vs Panasonic LX15
- Nikon D3100 vs Pentax K-3
Specifications: Canon T6i vs Nikon D3100
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Canon T6i||Nikon D3100|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Nikon F mount lenses|
|Launch Date||February 2015||August 2010|
|Launch Price||USD 749||USD 599|
|Sensor Specs||Canon T6i||Nikon D3100|
|Sensor Format||APS-C Sensor||APS-C Sensor|
|Sensor Size||22.3 x 14.9 mm||23.1 x 15.4 mm|
|Sensor Area||332.27 mm2||355.74 mm2|
|Sensor Diagonal||26.8 mm||27.8 mm|
|Sensor Resolution||24 Megapixels||14.2 Megapixels|
|Image Resolution||6000 x 4000 pixels||4608 x 3072 pixels|
|Pixel Pitch||3.72 μm||5.01 μm|
|Pixel Density||7.22 MP/cm2||3.98 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||1080/24p Video|
|ISO Setting||100 - 12,800 ISO||100 - 3,200 ISO|
|ISO Boost||100 - 25,600 ISO||100 - 12,800 ISO|
|Image Processor||DIGIC 6||EXPEED 2|
|DXO Sensor Quality (score)||71||67|
|DXO Color Depth (bits)||22.7||22.5|
|DXO Dynamic Range (EV)||12.0||11.3|
|DXO Low Light (ISO)||919||919|
|Screen Specs||Canon T6i||Nikon D3100|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||95%|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1040k dots||230k dots|
|LCD Attachment||Swivel screen||Fixed screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Canon T6i||Nikon D3100|
|Focus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||5 shutter flaps/s||3 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||100 000 actuations|
|Fill Flash||Built-in Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Single or Dual Card Slots||Single card slot||Single card slot|
|UHS card support||UHS-I||no|
|Connectivity Specs||Canon T6i||Nikon D3100|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||Wifi built-in||no Wifi|
|Near-Field Communication||NFC built-in||no NFC|
|Body Specs||Canon T6i||Nikon D3100|
|Battery Life (CIPA)||440 shots per charge||550 shots per charge|
132 x 101 x 78 mm
(5.2 x 4.0 x 3.1 in)
124 x 96 x 75 mm
(4.9 x 3.8 x 3.0 in)
|Camera Weight||555 g (19.6 oz)||505 g (17.8 oz)|
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