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Canon T7i versus Nikon D3400

The Canon EOS Rebel T7i (called Canon 800D in some regions) and the Nikon D3400 are two digital cameras that were revealed to the public, respectively, in February 2017 and August 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon T7i vs Nikon D3400

The side-by-side display below illustrates the physical size and weight of the Canon T7i and the Nikon D3400. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left side – the T7i – represents the basis for the calculations across all the size and weight measures).

Snapsort Canon T7i vs Nikon D3400
Compare T7i versus D3400 top
Compare T7i and D3400 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3400 is notably smaller (7 percent) than the Canon T7i. Moreover, the D3400 is markedly lighter (16 percent) than the T7i. In this context, it is worth noting that neither the T7i nor the D3400 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 find an overview of optics for the two cameras in the Canon EF Lens Catalog (T7i) and the Nikon Lens Catalog (D3400).

Concerning battery life, the T7i gets 600 shots out of its LP-E17 battery, while the D3400 can take 1200 images on a single charge of its EN-EL14a 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon T7i» 5.2 in 3.9 in 3.0 in 18.8 oz 600 n Feb 2017 749 i i
Nikon D3400« 4.9 in 3.9 in 3.0 in 15.7 oz 1200 n Aug 2016 499 i i
Canon T7« » 5.1 in 4.0 in 3.1 in 16.8 oz 500 n Feb 2018 449 i i
Canon 77D« » 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i i
Canon M6« » 4.4 in 2.7 in 1.8 in 13.8 oz 295 n Feb 2017 779 i i
Canon SL2« » 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549 i i
Canon T6« » 5.1 in 4.0 in 3.1 in 17.1 oz 500 n Mar 2016 449- i
Canon G7 X Mark II« » 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699 i i
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i
Canon T6s« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 849- i
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i i
Nikon D5500« » 4.9 in 3.8 in 2.8 in 14.8 oz 820 n Jan 2015 899- i
Nikon D3300« » 4.9 in 3.9 in 3.0 in 15.2 oz 700 n Jan 2014 499- i
Nikon D3200« » 4.9 in 3.8 in 3.0 in 17.8 oz 540 n Apr 2012 599- i

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D3400 was launched at a markedly lower price (by 33 percent) than the T7i, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon T7i vs Nikon D3400

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to 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 D3400 is 11 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (T7i) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon T7i and Nikon D3400 sensor measures

Even though the D3400 has a larger sensor, both cameras offer the same resolution of 24 megapixel. This implies that the D3400 has a lower pixel density and larger individual pixels (with a pixel pitch of 3.91μm versus 3.72μm for the T7i), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the T7i is a somewhat more recent model (by 5 months) than the D3400, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the D3400 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

T7i versus D3400 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon T7i» APS-C 24.0 6000 40001080/60p----
Nikon D3400« APS-C 24.0 6000 40001080/60p24.813.9119286
Canon T7« » APS-C 24.0 6000 40001080/30p----
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178
Canon M6« » APS-C 24.0 6000 40001080/60p----
Canon SL2« » APS-C 24.0 6000 40001080/60p23.613.4104179
Canon T6« » APS-C 17.9 5184 34561080/30p----
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----
Canon T6i« » APS-C 24.0 6000 40001080/60p22.712.091971
Canon T6s« » APS-C 24.0 6000 40001080/30p22.612.091570
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684
Nikon D5500« » APS-C 24.0 6000 40001080/60p24.114.0143884
Nikon D3300« » APS-C 24.0 6000 40001080/60p24.312.8138582
Nikon D3200« » APS-C 24.1 6016 40001080/30p24.113.2113181

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Canon T7i vs Nikon D3400

Apart from body and sensor, cameras can and do differ across a variety of features. The T7i and the D3400 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 table below summarizes some of the other core capabilities of the Canon T7i and Nikon D3400 in connection with corresponding information for a sample of similar cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

Core Features
  Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Canon T7i»optical n 3.0 1040 swivel Y 4000 6.0 Y n
Nikon D3400«optical n 3.0 921 fixed n 4000 5.0 Y n
Canon T7« »optical n 3.0 920 fixed n 4000 3.0 Y n
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n
Canon M6« »- n 3.0 1040 tilting Y 4000 9.0 Y n
Canon SL2« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Canon T6« »optical n 3.0 920 fixed n 4000 3.0 Y n
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y
Canon T6i« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Canon T6s« »optical Y 3.0 1040 swivel Y 4000 5.0 Y n
Canon T5i« »optical n 3.0 1040 swivel Y 4000 5.0 Y n
Nikon D5600« »optical n 3.2 1037 swivel Y 4000 5.0 Y n
Nikon D5500« »optical n 3.2 1037 swivel Y 4000 5.0 Y n
Nikon D3300« »optical n 3.0 921 fixed n 4000 5.0 Y n
Nikon D3200« »optical n 3.0 921 fixed n 4000 4.0 Y n

Both the T7i and the D3400 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The D3400 replaced the earlier Nikon D3300, while the T7i followed on from the Canon T6i.

Review summary: Canon T7i vs Nikon D3400

So what conclusions can be drawn? Which of the two cameras – the Canon T7i or the Nikon D3400 – has the upper hand? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon EOS Rebel T7i:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • More flexible LCD: Has 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.
  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • More modern: Is somewhat more recent (announced 5 months after the D3400).

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Arguments in favor of the Nikon D3400:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Less heavy: Has a lower weight (by 87g or 16 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (1200 versus 600) out of a single battery charge.
  • More affordable: Was introduced into a lower priced category (33 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in August 2016).

If the count of individual advantages (bullet points above) is taken as a guide, the T7i comes out slightly ahead of the D3400 (6 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

T7i 06:05 D3400

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the T7i or the D3400 handle or perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon T7i»-80/1004.5/54/54/5 Feb 2017 749 i i
Nikon D3400«Rec76/1004/54.5/54.5/5 Aug 2016 499 i i
Canon T7« »rev-3.5/5-3.5/5 Feb 2018 449 i i
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i
Canon M6« »-80/1004/54.5/54/5 Feb 2017 779 i i
Canon SL2« »HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i
Canon T6« »rev73/1004/53.5/54/5 Mar 2016 449- i
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i
Canon T6i« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i
Canon T6s« »Rec77/1004.5/54.5/54.5/5 Feb 2015 849- i
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i
Nikon D5500« »Rec79/1004.5/55/54.5/5 Jan 2015 899- i
Nikon D3300« »Rec77/1004.5/54.5/54.5/5 Jan 2014 499- i
Nikon D3200« »HiRec73/1004.5/54.5/54.5/5 Apr 2012 599- i

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If the camera you are interested in is not available, please contact me, and I will try to update the database with the necessary infos.

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