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Canon 1D X Mark II versus Pentax K-70

The Canon EOS-1D X Mark II and the Pentax K-70 are two digital cameras that were officially introduced, respectively, in February 2016 and June 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1DX Mark II) and an APS-C (K-70) sensor. The Canon has a resolution of 20 megapixel, whereas the Pentax provides 24 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: Canon 1D X Mark II vs Pentax K-70

The side-by-side display below illustrates the physical size and weight of the Canon 1D X Mark II and the Pentax K-70. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the 1DX Mark II – represents 100 percent across all the size and weight measures).

Snapsort Canon 1D X Mark II vs Pentax K-70
Compare 1DX Mark II versus K-70 top
Compare 1DX Mark II and K-70 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-70 is considerably smaller (56 percent) than the Canon 1D X Mark II. Moreover, the K-70 is substantially lighter (55 percent) than the 1DX Mark II. 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. Hence, you might want to study the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 1DX Mark II gets 1210 shots out of its LP-E19 battery, while the K-70 can take 410 images on a single charge of its D-LI109 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 1D X Mark II» 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i
Pentax K-70« 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i i
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i
Canon 5D Mark IV« » 5.9 in 4.6 in 3.0 in 31.4 oz 900 Y Aug 2016 3,499 i i
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 6D« » 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099- i
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799- i
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i
Canon 1Ds Mark III« » 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999- i
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i
Pentax KP« » 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i i
Pentax K-3 II« » 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i i
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 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 K-70 was launched at a markedly lower price (by 89 percent) than the 1DX Mark II, 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 1D X Mark II vs Pentax K-70

The size of the imaging sensor is a crucial determinant 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 1D X Mark II features a full frame sensor and the Pentax K-70 an APS-C sensor. The sensor area in the K-70 is 58 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1D X Mark II and Pentax K-70 sensor measures

Despite having a smaller sensor, the K-70 offers a higher resolution of 24 megapixel, compared with 20 MP of the 1DX Mark II. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 6.57μm for the 1DX Mark II). However, it should be noted that the K-70 is a somewhat more recent model (by 4 months) than the 1DX Mark II, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. Coming back to sensor resolution, it should be mentioned that the K-70 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the 1DX Mark II, the K-70 has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

1DX Mark II versus K-70 MP

For most cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). 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 1D X Mark II» Full Frame 20.0 5472 36484K/60p24.113.5320788
Pentax K-70« APS-C 24.0 6000 40001080/60i----
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285
Canon 5D Mark IV« » Full Frame 30.1 6720 44804K/30p24.813.6299591
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082
Canon 1D X« » Full Frame 17.9 5184 34561080/30p23.811.8278682
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579
Canon 1Ds Mark III« » Full Frame 21.0 5616 3744-24.012.0166380
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777
Pentax KP« » APS-C 24.1 6016 40001080/60i----
Pentax K-3 II« » APS-C 24.1 6016 40001080/60i23.613.6110680
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680

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 1DX Mark II provides a higher video resolution than the K-70. It can shoot video footage at 4K/60p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Canon 1D X Mark II vs Pentax K-70

Apart from body and sensor, cameras can and do differ across a variety of features. The 1DX Mark II and the K-70 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 1D X Mark II and Pentax K-70 in connection with corresponding information for a sample of similar cameras. The full specs-sheets can be found in the camera manual or, 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
Canon 1D X Mark II»optical Y 3.2 1620 fixed Y 8000 16.0 n n
Pentax K-70«optical n 3.0 921 swivel n 6000 6.0 Y Y
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n
Canon 5D Mark IV« »optical Y 3.2 1620 fixed Y 8000 7.0 n n
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 6D« »optical Y 3.0 1040 fixed n 4000 4.5 n n
Canon 1D X« »optical Y 3.2 1040 fixed n 8000 14.0 n n
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 8000 5.0 n n
Nikon D5« »optical Y 3.2 2359 fixed Y 8000 14.0 n n
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 8000 18.0 n Y
Panasonic GH5« »3680 n 3.2 1620 swivel Y 8000 12.0 n Y
Pentax KP« »optical n 3.0 921 tilting n 6000 7.0 Y Y
Pentax K-3 II« »optical Y 3.2 1037 fixed n 8000 8.3 n Y
Pentax K-3« »optical Y 3.2 1037 fixed n 8000 8.3 Y Y

Both the 1DX Mark II and the K-70 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The 1DX Mark II replaced the earlier Canon 1DX, while the K-70 followed on from the Pentax K-50.

Review summary: Canon 1D X Mark II vs Pentax K-70

So what conclusions can be drawn? Which of the two cameras – the Canon 1D X Mark II or the Pentax K-70 – 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 Canon EOS-1D X Mark II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better low-light imaging: Features bigger pixels on a larger sensor for better high-ISO images.
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60i).
  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • 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 (1620k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 6000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (16 vs 6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (1210 versus 410) on a single battery charge.
  • More heavily discounted: Has been on the market for longer (launched in February 2016).

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Reasons to prefer the Pentax K-70:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • More compact: Is smaller (126x93mm vs 158x168mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 842g or 55 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (89 percent cheaper at launch).
  • More modern: Was introduced somewhat (4 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the 1DX Mark II comes out slightly ahead of the K-70 (11 : 10 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.

1DX Mark II 11:10 K-70

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 1DX Mark II and the K-70 in practical situations. 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 where reviews by experts come in. 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)
Canon 1D X Mark II»-89/1004.5/55/54.5/5 Feb 2016 5,999 i i
Pentax K-70«-79/1004.5/54/54.5/5 Jun 2016 649 i i
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i
Canon 5D Mark IV« »HiRec87/1004.5/55/54.5/5 Aug 2016 3,499 i i
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i
Canon 6D« »HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i
Canon 1D X« »--4.5/54.5/54.5/5 Oct 2011 6,799- i
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i
Canon 1Ds Mark III« »-HiRec4.5/5-- Aug 2007 7,999- i
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i
Olympus E-M1 II« »HiRec85/1004.5/55/54.5/5 Sep 2016 1,999 i i
Panasonic GH5« »HiRec85/1004.5/55/55/5 Jan 2017 1,999 i i
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i
Pentax K-3 II« »--5/54.5/55/5 Apr 2015 1,099 i i
Pentax K-3« »-83/1005/54.5/55/5 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 comparisons of ratings among very different cameras or across long time periods 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 use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you do not see the camera that you are looking for, please contact me, and I will try to update the database with the necessary infos.

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