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Nikon D7100 versus Canon 70D

The Nikon D7100 and the Canon EOS 70D are two enthusiast cameras that were revealed to the public, respectively, in February 2013 and July 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Nikon has a resolution of 24 megapixel, whereas the Canon provides 20 MP. 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: Nikon D7100 vs Canon 70D

An illustration of the physical size and weight of the Nikon D7100 and the Canon 70D is provided in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All width, height and depth 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 – the D7100 – represents the basis or 100 percent across all the size and weight measures).

Snapsort Nikon D7100 vs Canon 70D
Compare D7100 versus 70D top
Compare D7100 and 70D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D7100 and the Canon 70Dare of equal size. However, the 70D is slightly lighter (1 percent) than the D7100. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 Nikon Lens Catalog (D7100) and the Canon EF Lens Catalog (70D).

Concerning battery life, the D7100 gets 950 shots out of its EN-EL15 battery, while the 70D can take 920 images on a single charge of its LP-E6 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)
Nikon D7100» 5.4 in 4.2 in 3.0 in 27.0 oz 950 Y Feb 2013 1,199- i
Canon 70D« 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i
Canon G3 X« » 4.8 in 3.0 in 4.1 in 25.9 oz 300 Y Jun 2015 999 i i
Canon 7D II« » 5.9 in 4.4 in 3.1 in 32.1 oz 670 Y Sep 2014 1,799 i i
Canon 60D« » 5.7 in 4.2 in 3.1 in 26.6 oz 1100 Y Aug 2010 1,399- i
Nikon D7500« » 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i i
Nikon D500« » 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 i i
Nikon D7200« » 5.4 in 4.2 in 3.0 in 27.0 oz 1110 Y Mar 2015 1,199- i
Nikon D3300« » 4.9 in 3.9 in 3.0 in 15.2 oz 700 n Jan 2014 499- i
Nikon D750« » 5.6 in 4.4 in 3.1 in 26.5 oz 1230 Y Sep 2014 2,299 i i
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i i
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099- i
Nikon D7000« » 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499- i
Sony RX10« » 5.1 in 3.5 in 4.0 in 28.7 oz 420 Y Oct 2013 1,299- 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 two cameras under review were launched at the same price and fall into the same 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: Nikon D7100 vs Canon 70D

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color depth than smaller pixel-units 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 associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the 70D is 8 percent smaller. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.5 (D7100) and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D7100 and Canon 70D sensor measures

With 24MP, the D7100 offers a higher resolution than the 70D (20MP), but the D7100 has smaller individual pixels (pixel pitch of 3.91μm versus 4.11μm for the 70D). Moreover, the 70D is a somewhat more recent model (by 4 months) than the D7100, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the D7100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

D7100 versus 70D MP

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 D7100 provides substantially higher image quality than the 70D, with an overall score that is 15 points higher. This advantage is based on 1.7 bits higher color depth, 2.1 EV in additional dynamic range, and 0.4 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Nikon D7100» APS-C 24.0 6000 40001080/60p24.213.7125683
Canon 70D« APS-C 20.0 5472 36481080/30p22.511.692668
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579
Canon G3 X« » 1-inch 20.0 5472 36481080/60p21.412.352163
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270
Canon 60D« » APS-C 17.9 5184 34561080/30p22.211.581366
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386
Nikon D500« » APS-C 20.7 5568 37124K/30p24.014.0132483
Nikon D7200« » APS-C 24.0 6000 40001080/60p24.514.6133387
Nikon D3300« » APS-C 24.0 6000 40001080/60p24.312.8138582
Nikon D750« » Full Frame 24.2 6016 40161080/60p24.814.5295693
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594
Nikon D600« » Full Frame 24.2 6016 40161080/30p25.114.2298094
Nikon D7000« » APS-C 16.1 4928 326410800/24p23.513.9116780
Sony RX10« » 1-inch 20.0 5472 36481080/60p22.912.647469

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the D7100 provides a higher frame rate than the 70D. It can shoot video footage at 1080/60p, while the Canon is limited to 1080/30p.

 

Feature comparison: Nikon D7100 vs Canon 70D

Beyond body and sensor, cameras can and do differ across a range of features. The D7100 and the 70D 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 adjacent table lists some of the other core features of the Nikon D7100 and Canon 70D along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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
Nikon D7100»optical Y 3.2 1229 fixed n 8000 6.0 Y n
Canon 70D«optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon G3 X« »- n 3.2 1620 tilting Y 2000 5.9 Y Y
Canon 7D II« »optical Y 3.0 1040 fixed n 8000 10.0 Y n
Canon 60D« »optical Y 3.0 1040 swivel n 8000 5.3 Y n
Nikon D7500« »optical Y 3.2 922 tilting Y 8000 8.0 Y n
Nikon D500« »optical Y 3.2 2359 tilting Y 8000 10.0 n n
Nikon D7200« »optical Y 3.2 1229 fixed n 8000 6.0 Y n
Nikon D3300« »optical n 3.0 921 fixed n 4000 5.0 Y n
Nikon D750« »optical Y 3.2 1229 tilting n 4000 6.0 Y n
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n
Nikon D600« »optical Y 3.0 921 fixed n 4000 5.5 Y n
Nikon D7000« »optical Y 3.0 921 fixed n 8000 6.0 Y n
Sony RX10« »1440 Y 3.0 1229 tilting n 3200 10.0 Y Y

Both the D7100 and the 70D have been discontinued, but can regularly be found used on eBay. The D7100 was replaced by the Nikon D7200, while the 70D was followed by the Canon 80D.

Review summary: Nikon D7100 vs Canon 70D

So what is the bottom line? Which of the two cameras – the Nikon D7100 or the Canon 70D – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon D7100:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (15 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • More heavily discounted: Has been on the market for longer (launched in February 2013).

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Arguments in favor of the Canon EOS 70D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (7 vs 6 flaps/sec) to capture the decisive moment.
  • More modern: Was introduced somewhat (4 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the D7100 is the clear winner of the match-up (10 : 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.

D7100 10:05 70D

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the D7100 or the 70D. 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 why expert reviews are important. The table below summarizes the assessments of some of the best known 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)
Nikon D7100»HiRec85/1004.5/55/54.5/5 Feb 2013 1,199- i
Canon 70D«HiRec83/1004.5/54.5/55/5 Jul 2013 1,199- i
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i
Canon G3 X« »Rec-4.5/53.5/54/5 Jun 2015 999 i i
Canon 7D II« »Rec84/1004/55/54.5/5 Sep 2014 1,799 i i
Canon 60D« »Rec79/1004/55/54.5/5 Aug 2010 1,399- i
Nikon D7500« »HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i
Nikon D500« »HiRec91/1004.5/55/55/5 Jan 2016 1,999 i i
Nikon D7200« »HiRec84/1004.5/54/54.5/5 Mar 2015 1,199- i
Nikon D3300« »Rec77/1004.5/54.5/54.5/5 Jan 2014 499- i
Nikon D750« »HiRec90/1004.5/55/54.5/5 Sep 2014 2,299 i i
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i
Nikon D600« »HiRec87/1005/54.5/54.5/5 Sep 2012 2,099- i
Nikon D7000« »-80/1004.5/55/54.5/5 Sep 2010 1,499- i
Sony RX10« »Rec80/1004.5/54.5/54.5/5 Oct 2013 1,299- i

The review scores listed above should be treated with care, though. The ratings are only valid when refering to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

 

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 a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you cannot find the camera you are interested in, please send me an email, and I will try to add information on that model to the database.

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