Canon EOS 20D Vs Pentax K-3 Mark III: complete comparison

Canon
EOS 20D change

Vs

Pentax
K-3 Mark III change
Canon EOS 20D

Pentax K-3 Mark III trophy medal portrait medal landscape medal sport medal street medal everyday
39

Overall Score

64

Canon

EOS 20D
Announced: 03 Nov 2004
Sensor Resolution: 8Mp
Sensor Type: APS-C CMOS
ISO: 100-1600
Weight: 770g
Physical Dimensions: 144 x 106 x 72 mm
Viewfinder: Optical (pentaprism)
Screen Type: 1.8" Fixed
Video Resolutions: -

the best offer

$3,385.47

buy on
45
Image Quality
48
39
Speed Performance
61
18
Versatility
98
50
Comfort
63

Pentax

K-3 Mark III
Announced: 31 Mar 2021
Sensor Resolution: 26Mp
Sensor Type: APS-C CMOS
ISO: 100-1600000
Weight: 820g
Physical Dimensions: 135 x 104 x 74 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 3840x2160

the best offer

$2,099.00

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Disclaimer

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The best camera for different types of photography

Canon
EOS 20D

vs

Pentax
K-3 Mark III

39
Portrait Portrait Portrait
53
38
Landscape Landscape Landscape
51
40
SportSport Sport
66
42
Street Street Street
68
41
Everyday Everyday Everyday
71

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Sport
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Street		 FujifilmX-Pro3 Fujifilm
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Canon EOS 20D
pros and cons

Canon EOS 20D

Canon

EOS 20D
Announced: 03 Nov 2004
Sensor Resolution: 8Mp
Sensor Type: APS-C CMOS
ISO: 100-1600
Weight: 770g
Physical Dimensions: 144 x 106 x 72 mm
Viewfinder: Optical (pentaprism)
Screen Type: 1.8" Fixed
Video Resolutions: -

the best offer

$3,385.47

buy on

propro

  • It has fast shutter speed, ideal for action photos

conscons

  • Warning - Canon EOS 20D is not a tropicalized camera. If you use it in adverse conditions, you could ruin it.
  • Like it or not, we are too used to LCD display to do without it
  • Unfortunately, Canon EOS 20D does not support wireless connection

Amazon best deals on Canon EOS 20D

Canon EOS 20D DSLR Camera with EF-S 18-55mm f/3.5-5.6 Lens (Old Model)

Canon EOS 20D DSLR Camera with EF-S 18-55mm f/3.5-5.6 Lens (Old Model)

$3,385.47

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Canon EOS 20D and its rivals

Review compare Canon EOS 20D con overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
CanonEOS 20D Canon
EOS 20D		 39 39 38 40 42 41 $3,385.47
NikonD780 Nikon
D780		 71 69 69 67 74 77 buy on
CanonEOS 90D Canon
EOS 90D		 65 54 52 66 70 75 buy on
PentaxK-3 Mark III Pentax
K-3 Mark III		 64 53 51 66 68 71 buy on
CanonEOS Rebel T8i Canon
EOS Rebel T8i		 59 51 49 57 66 69 buy on
PentaxKF Pentax
KF		 58 51 50 55 63 67 buy on

Pentax K-3 Mark III
pros and cons

Pentax K-3 Mark III

Pentax

K-3 Mark III
Announced: 31 Mar 2021
Sensor Resolution: 26Mp
Sensor Type: APS-C CMOS
ISO: 100-1600000
Weight: 820g
Physical Dimensions: 135 x 104 x 74 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 3840x2160

the best offer

$2,099.00

buy on

pro pro

  • This camera autofocus is able to follow moving subjects
  • The Pentax K-3 Mark III is tropicalized - this means you can use it also in adverse atmospheric and environmental conditions without ruining it
  • The integrated stabilizer allows you to shoot firmly even in low light conditions
  • The LCD display is a convenient and almost indispensable feature
  • The microphone input can be very useful if you shoot videos
  • Thanks to burst mode, it's ideal for action photos
  • The second memory slot makes the camera more reliable, also for professional use
  • Thanks to the wireless connection, Pentax K-3 Mark III allows immediate picture sharing

Amazon best deals on Pentax K-3 Mark III

Pentax K-3 Mark III Flagship APS-C Silver Camera Body - 12fps, Touch Screen LCD, Weather Resistant Magnesium Alloy Body with in-Body 5-Axis Shake Reduction. 1.05x Optical viewfinder with 100% FOV

Pentax K-3 Mark III Flagship APS-C Silver Camera Body - 12fps, Touch Screen LCD, Weather Resistant Magnesium Alloy Body with in-Body 5-Axis Shake Reduction. 1.05x Optical viewfinder with 100% FOV

$2,099.00

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Pentax K-3 Mark III Flagship APS-C Black Camera Body - 12fps, Touch Screen LCD, Weather Resistant Magnesium Alloy Body with in-Body 5-Axis Shake Reduction. 1.05x Optical viewfinder with 100% FOV

Pentax K-3 Mark III Flagship APS-C Black Camera Body - 12fps, Touch Screen LCD, Weather Resistant Magnesium Alloy Body with in-Body 5-Axis Shake Reduction. 1.05x Optical viewfinder with 100% FOV

$2,199.00

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Pentax K-3 Mark III Monochrome DSLR Camera Body

Pentax K-3 Mark III Monochrome DSLR Camera Body

$2,668.00

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Pentax K-3 Mark III and its rivals

Review compare Pentax K-3 Mark III con overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
PentaxK-3 Mark III Pentax
K-3 Mark III		 64 53 51 66 68 71 $2,099.00
NikonD780 Nikon
D780		 71 69 69 67 74 77 buy on
CanonEOS 90D Canon
EOS 90D		 65 54 52 66 70 75 buy on
CanonEOS Rebel T8i Canon
EOS Rebel T8i		 59 51 49 57 66 69 buy on
PentaxKF Pentax
KF		 58 51 50 55 63 67 buy on

Canon EOS 20D vs Pentax K-3 Mark III, which is better?

In case you are wondering which of these cameras you should buy, then this is the right place to find an answer. Here you will find listed all the main differences among Canon EOS 20D and Pentax K-3 Mark III, calculated by the CameraRace iCamRank algorithm.

  • Technically speaking, Pentax K-3 Mark III is superior to Canon EOS 20D, with an overall iCamRank score of 64 and 39, respectively.
  • The image quality of Pentax K-3 Mark III (48) is superior to that of Canon EOS 20D (45).
  • Pentax K-3 Mark III (61) performs better than Canon EOS 20D (39) in terms of speed.
  • Pentax K-3 Mark III is more versatile than Canon EOS 20D (98 a 18).
  • The handling of Pentax K-3 Mark III (63) is more effective than that of Canon EOS 20D (50).

But, as you may know, the technical performance is meaningless if applied to the wrong context. This is the reason why the iCamRank "weights" differently the camera technical features for each type of photography. Thus, below you'll find our suggestions, based on your preferred photography genre:

Whatever type of photography shall you prefer, Pentax K-3 Mark III is superior to Canon EOS 20D in all conditions.

Need further details? Below you will find a full comparison of all the technical specifications.

Canon
EOS 20D

Sensor
comparison

Pentax
K-3 Mark III

CMOS

Sensor Type

CMOS

APS-C

Sensor Size

APS-C

22.5 x 15.0 mm down

Sensor Dimensions

up 23.0 x 15.5 mm

337.5 mm2 down

Sensor Area

up 356.5 mm2

8 Mp down

Sensor Resolution

up 26 Mp

3504 x 2336 down

Max Image Resolution

up 6192 x 4128

1600 down

Max Native ISO

up 1600000

100

Min Native ISO

100

yes

RAW Support

yes

Canon
EOS 20D

Lens
comparison

Pentax
K-3 Mark III

Canon EF/EF-S

Lens Mount

Pentax KAF2

292 up

Number of Lenses

down 155

1.6

Focal Length Multiplier

1.5

Canon
EOS 20D

Screen Type
comparison

Pentax
K-3 Mark III

Fixed

Screen Type

Fixed

1.8" down

Screen Size

up 3.2"

118Kdot down

Screen Resolution

up 1620Kdot

no

Live View

yes

no

Touch Screen

yes

Canon
EOS 20D

Viewfinder
comparison

Pentax
K-3 Mark III

Optical (pentaprism)

Viewfinder

Optical (pentaprism)

None

Viewfinder Resolution

None

95

Viewfinder Coverage

100

0.56

Viewfinder Magnification

0.7x

Canon
EOS 20D

Features
comparison

Pentax
K-3 Mark III

30s

Min Shutter Speed

30s

1/8000s

Max Shutter Speed

-

5fps down

Continuous Shooting

up 12fps

yes

Shutter Priority

yes

yes

Aperture Priority

yes

no

Manual Exposure Mode

yes

yes

Exposure Compensation

yes

yes

Custom White Balance

yes

no

Image Stabilization

yes

yes

Built-in Flash

no

12.0

Flash Range

None

-

Max Flash Sync

1/200s

Auto
On
Red-eye reduction
Off

Flash Modes

Auto
Auto + Red-eye Reduction
Flash On
Flash On + Red-eye Reduction
Slow- speed Sync
Slow-speed Sync + Red-eye
P-TTL
Contrast-control-sync
High-speed sync
Wireless sync

yes

External Flash

yes

no

AE Bracketing

yes

no

WB Bracketing

yes

Canon
EOS 20D

Exposure Modes
comparison

Pentax
K-3 Mark III

no

Multi-Segment

yes

no

Average

yes

no

Spot

yes

no

Partial

no

no

AF-Area

no

no

Center Weighted

no

Canon
EOS 20D

Dxo Sensor Scores
comparison

Pentax
K-3 Mark III

62 up

DxO Overall Score

dato non disponibile

21.9 up

DxO Color Depth

dato non disponibile

11 up

DxO Dynamic Range

dato non disponibile

721 up

DxO Low Light ISO

dato non disponibile

Canon
EOS 20D

Autofocus
comparison

Pentax
K-3 Mark III

no

AF Touch

yes

yes

AF Continuous

yes

yes

AF Single

yes

no

AF Tracking

yes

yes

AF Selective

yes

no

AF Center

yes

yes

AF MultiArea

yes

no

AF Live View

yes

no

AF Face Detection

yes

no

AF Contrast Detection

yes

yes

AF Phase Detection

yes

9 down

Number of Focus Points

up 101

0 down

Number of Cross Focus Points

up 25

Canon
EOS 20D

Video Features
comparison

Pentax
K-3 Mark III

Video Resolutions

3840 x 2160 @ 30p MOV H.264 Linear PCM3840 x 2160 @ 24p MOV H.264 Linear PCM1920 x 1080 @ 60p MOV H.264 Linear PCM1920 x 1080 @ 30p MOV H.264 Linear PCM1920 x 1080 @ 24p MOV H.264 Linear PCM

-

Max Video Resolution

3840x2160

Video Formats

MPEG-4 H.264

no

Microphone Port

yes

no

Headphone Port

yes

Canon
EOS 20D

Connectivity
comparison

Pentax
K-3 Mark III

None

Wireless Connectivity

Built-in

no

HDMI

yes

USB 2.0 (480 Mbit/sec)

USB

USB 3.2 Gen 1 (5 GBit/sec)

Canon
EOS 20D

Physical
comparison

Pentax
K-3 Mark III

no

Environmental Sealing

yes

no

Water Proof

no

no

Dust Proof

no

no

Shock Proof

no

no

Crush Proof

no

no

Freeze Proof

no

770g

Weight

820g

144 x 106 x 72 mm

Physical Dimensions

135 x 104 x 74 mm

Battery Life

800

Battery Type

Battery Pack

Battery Model

D-LI90

Canon
EOS 20D

Other Features
comparison

Pentax
K-3 Mark III

Yes (10 sec (2 sec with mirror lock-up))

Self Timer

Yes

yes

Timelapse Recording

yes

no

GPS

no

Compact Flash (Type I or II)

Storage Type

Dual SD SDHC SDXC slots (UHS-II supported in slot 1)

1down

Storage Slots

up2

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