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Canon 5D Mark IV vs 20D

The Canon EOS 5D Mark IV and the Canon EOS 20D are two digital cameras that were announced, respectively, in August 2016 and August 2004. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (5D Mark IV) and an APS-C (20D) sensor. The 5D Mark IV has a resolution of 30.1 megapixels, whereas the 20D provides 8.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 5D Mark IV
versus
Canon 20D
Canon 5D Mark IV   Canon 20D
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
30.1 MP – Full Frame sensor 8.2 MP – APS-C sensor
4K/30p Video no Video
ISO 100-32,000 (50 - 102,400) ISO 100-1,600 (100 - 3,200)
Optical viewfinder Optical viewfinder
3.2" LCD – 1620k dots 1.8" LCD – 118k dots
Fixed touchscreen Fixed screen (not touch-sensitive)
7 shutter flaps per second 5 shutter flaps per second
Weathersealed bodynot weather sealed
900 shots per battery charge700 shots per battery charge
151 x 116 x 76 mm, 890 g 144 x 106 x 72 mm, 770 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark IV and the Canon EOS 20D? 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.

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Body comparison

The physical size and weight of the Canon 5D Mark IV and the Canon 20D are illustrated 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 size dimensions are rounded to the nearest millimeter.

Size Canon 5D Mark IV vs Canon 20D
Compare 5D Mark IV versus 20D top
Comparison 5D Mark IV or 20D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 20D is notably smaller (13 percent) than the Canon 5D Mark IV. Moreover, the 20D is markedly lighter (13 percent) than the 5D Mark IV. It is worth mentioning in this context that the 5D Mark IV is splash and dust resistant, while the 20D does not feature any corresponding weather-sealing.

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. A larger imaging sensor (as in the 5D Mark IV) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (20D). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 5D Mark IV gets 900 shots out of its Canon LP-E6N battery, while the 20D can take 700 images on a single charge of its Canon BP-511A power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
2.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499ebay.com
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
4.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299ebay.com
5.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
6.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
7.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
8.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
9.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
10.
 
Canon 10D 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999ebay.com
11.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 1,399ebay.com
12.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299ebay.com
13.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899ebay.com
14.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899ebay.com
15.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999ebay.com
16.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299ebay.com
17.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.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 20D was launched at a markedly lower price (by 57 percent) than the 5D Mark IV, 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.

Sensor comparison

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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 5D Mark IV features a full frame sensor and the Canon 20D an APS-C sensor. The sensor area in the 20D is 61 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of chip-set technology, the 5D Mark IV uses a more advanced image processing engine (DIGIC 6+) than the 20D (DIGIC 2), with benefits for noise reduction, color accuracy, and processing speed.

Canon 5D Mark IV and Canon 20D sensor measures

With 30.1MP, the 5D Mark IV offers a higher resolution than the 20D (8.2MP), but the 5D Mark IV has smaller individual pixels (pixel pitch of 5.36μm versus 6.42μm for the 20D). However, the 5D Mark IV is a much more recent model (by 12 years) than the 20D, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 5D Mark IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark IV for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inches or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inches or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inches or 56.9 x 37.9 cm. The corresponding values for the Canon 20D are 17.5 x 11.7 inches or 44.5 x 29.7 cm for good quality, 14 x 9.3 inches or 35.6 x 23.7 cm for very good quality, and 11.7 x 7.8 inches or 29.7 x 19.8 cm for excellent quality prints.

The 5D Mark IV has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 5D Mark IV has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon EOS 20D are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 100-3200.

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.

5D Mark IV versus 20D MP

For many 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"). Of the two cameras under review, the 5D Mark IV provides substantially higher image quality than the 20D, with an overall score that is 29 points higher. This advantage is based on 2.9 bits higher color depth, 2.6 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
2.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.1136871
5.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
6.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
7.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
8.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
9.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
10.
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157
11.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
12.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
13.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
14.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
15.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
16.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
17.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100

Many modern cameras are not only capable of taking still images, but can also record movies. The 5D Mark IV indeed provides movie recording capabilities, while the 20D does not. The highest resolution format that the 5D Mark IV can use is 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 5D Mark IV and the 20D 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 viewfinder in the 5D Mark IV offers a wider field of view (100%) than the one in the 20D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 5D Mark IV has a higher magnification (0.71x vs 0.56x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 5D Mark IV and Canon 20D along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
2.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
4.
 
Canon 5Doptical Y2.5 / 230 fixed n 1/8000s 3.0/s n n
5.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
6.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
7.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
8.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
9.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
10.
 
Canon 10Doptical Y1.8 / 118 fixed n 1/4000s 3.0/s Y n
11.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
12.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
13.
 
Canon Rebeloptical n1.8 / 118 fixed n 1/4000s 2.5/s Y n
14.
 
Canon XToptical n1.8 / 115 fixed n 1/4000s 3.0/s Y n
15.
 
Nikon D800optical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
16.
 
Nikon D800Eoptical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
17.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
Note: *) 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 5D Mark IV has a touchscreen, while the 20D has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon 5D Mark IV has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 5D Mark IV writes its imaging data to Compact Flash or SDXC cards, while the 20D uses Compact Flash cards. The 5D Mark IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the 20D only has one slot.

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Connectivity comparison

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 5D Mark IV and Canon EOS 20D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
2.
 
Canon 20DY- / ----1.1---
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DY- / ----2.0---
5.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
6.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
7.
 
Canon 5DSYmono / monoY-mini3.0---
8.
 
Canon 5DS RYmono / monoY-mini3.0---
9.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
10.
 
Canon 10DY- / ----1.1---
11.
 
Canon 30DY- / ----2.0---
12.
 
Canon 40DY- / ----2.0---
13.
 
Canon RebelY- / ----1.1---
14.
 
Canon XTY- / ----2.0---
15.
 
Nikon D800Ymono / monoYYmini3.0---
16.
 
Nikon D800EYmono / monoYYmini3.0---
17.
 
Nikon D850Ystereo / monoYYmini3.0YYY

It is notable that the 5D Mark IV offers wifi support, while the 20D does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Travel and landscape photographers will find it useful that the 5D Mark IV has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The 5D Mark IV is a recent model that features in the current product line-up of Canon. In contrast, the 20D has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 20D was succeeded by the Canon 30D. Further information on the features and operation of the 5D Mark IV and 20D can be found, respectively, in the Canon 5D Mark IV Manual (free pdf) or the online Canon 20D Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 5D Mark IV better than the Canon 20D or vice versa? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS 5D Mark IV:

  • More detail: Offers more megapixels (30.1 vs 8.2MP) with a 92% higher linear resolution.
  • Better image quality: Scores substantially higher (29 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.9 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.1 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (DIGIC 6+ vs DIGIC 2).
  • Broader imaging potential: Can record not only still images but also 4K/30p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.56x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 118k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (900 versus 700) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 1.1).
  • 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Reflects 12 years of technical progress since the 20D launch.


Advantages of the Canon EOS 20D:

  • More compact: Is smaller (144x106mm vs 151x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 120g or 13 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2004).

If the count of relative strengths (bullet points above) is taken as a measure, the 5D Mark IV is the clear winner of the match-up (23 : 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. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

5D Mark IV 23:05 20D

How about other alternatives? Do the specifications of the Canon 5D Mark IV and the Canon 20D 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 5D Mark IV or the 20D. 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.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
2.
 
Canon 20D......+ +.... Aug 2004 1,499ebay.com
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
4.
 
Canon 5D..88/100..+ +o.. Aug 2005 3,299ebay.com
5.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
6.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
7.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
8.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
9.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
10.
 
Canon 10D......+ +.... Feb 2003 1,999ebay.com
11.
 
Canon 30D..+ +..+ +o.. Feb 2006 1,399ebay.com
12.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299ebay.com
13.
 
Canon Rebel......+ +.... Aug 2003 899ebay.com
14.
 
Canon XT..80/100..+ +o.. Feb 2005 899ebay.com
15.
 
Nikon D8005/5+ +..82/1005/55/5 Feb 2012 2,999ebay.com
16.
 
Nikon D800E......84/1005/55/5 Feb 2012 3,299ebay.com
17.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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.

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    Specifications: Canon 5D Mark IV vs Canon 20D

    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 Specifications
    Camera Model Canon 5D Mark IV Canon 20D
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date August 2016 August 2004
    Launch Price USD 3,499 USD 1,499
    Sensor Specs Canon 5D Mark IV Canon 20D
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 36.0 x 24.0 mm 22.5 x 15.0 mm
    Sensor Area 864 mm2 337.5 mm2
    Sensor Diagonal 43.3 mm 27 mm
    Crop Factor 1.0x 1.6x
    Sensor Resolution 30.1 Megapixels 8.2 Megapixels
    Image Resolution 6720 x 4480 pixels 3504 x 2336 pixels
    Pixel Pitch 5.36 μm 6.42 μm
    Pixel Density 3.48 MP/cm2 2.43 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video no Video
    ISO Setting 100 - 32,000 ISO 100 - 1,600 ISO
    ISO Boost 50 - 102,400 ISO 100 - 3,200 ISO
    Image Processor DIGIC 6+ DIGIC 2
    DXO Sensor Quality (score) 91 62
    DXO Color Depth (bits) 24.8 21.9
    DXO Dynamic Range (EV) 13.6 11.0
    DXO Low Light (ISO) 2995 721
    Screen Specs Canon 5D Mark IV Canon 20D
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.71x 0.56x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View
    Rear LCD Size 3.2inch 1.8inch
    LCD Resolution 1620k dots 118k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon 5D Mark IV Canon 20D
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 7 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy150 000 actuations50 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF or SDXC cards CF cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Canon 5D Mark IV Canon 20D
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 1.1
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 5D Mark IV Canon 20D
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E6N Canon BP-511A
    Battery Life (CIPA)900 shots per charge700 shots per charge
    Body Dimensions 151 x 116 x 76 mm
    (5.9 x 4.6 x 3.0 in)
    144 x 106 x 72 mm
    (5.7 x 4.2 x 2.8 in)
    Camera Weight 890 g (31.4 oz) 770 g (27.2 oz)
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    Check 5D Mark IV price at
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    Check 20D offers at
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