Pentax K-3 Mark III Vs Canon EOS-1D X Mark III: complete comparison

Pentax K-3 Mark III

Canon EOS-1D X Mark III trophy medal portrait medal landscape medal sport medal street medal everyday
64

Overall Score

75

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
48
Image Quality
65
61
Speed Performance
99
98
Versatility
96
63
Comfort
47

Canon

EOS-1D X Mark III

Announced: 07 Jan 2020
Sensor Resolution: 20Mp
Sensor Type: Full frame CMOS
ISO: 100-102400
Weight: 1440g
Physical Dimensions: 158 x 168 x 83 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 5472x2886
Disclaimer

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The best camera for different types of photography

Pentax
K-3 Mark III

vs

Canon
EOS-1D X Mark III

53
Portrait Portrait Portrait
68
51
Landscape Landscape Landscape
69
66
SportSport Sport
87
68
Street Street Street
69
71
Everyday Everyday Everyday
72

Best alternative for types of photography

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

prospros

  • 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

Pentax K-3 Mark III and its rivals

Review compare Pentax K-3 Mark III with 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 buy on
CanonEOS-1D X Mark III Canon
EOS-1D X Mark III
75 68 69 87 69 72 buy on
NikonD6 Nikon
D6
71 68 68 79 66 69 buy on
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 850D Canon
EOS 850D
59 51 49 57 66 69 buy on
PentaxKF Pentax
KF
58 51 50 55 63 67 buy on

Canon EOS-1D X Mark III
pros and cons

Canon EOS-1D X Mark III

Canon

EOS-1D X Mark III

Announced: 07 Jan 2020
Sensor Resolution: 20Mp
Sensor Type: Full frame CMOS
ISO: 100-102400
Weight: 1440g
Physical Dimensions: 158 x 168 x 83 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 5472x2886

pros pros

  • This camera autofocus is able to follow moving subjects
  • The Canon EOS-1D X Mark III is tropicalized - this means you can use it also in adverse atmospheric and environmental conditions without ruining it
  • 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
  • It has fast shutter speed, ideal for action photos
  • Precise and fast autofocus, ideal for action photos, it performs well even in low light conditions
  • Canon EOS-1D X Mark III battery has 2850.0 shoots autonomy. This will allow long photo sessions without having the need to recharge it.
  • The second memory slot makes the camera more reliable, also for professional use
  • Thanks to the wireless connection, Canon EOS-1D X Mark III allows immediate picture sharing

conscons

  • Canon EOS-1D X Mark III is one of the heaviest cameras in its category. This makes it less suitable for street photography and daily use, but it could be a plus since it gives it more stability if you shoot regularly with the tripod.

Canon EOS-1D X Mark III and its rivals

Review compare Canon EOS-1D X Mark III with overall score Portrait
Portrait
Landscape
Landscape
Sport
Sport
Street
Street
Everyday
Everyday
CanonEOS-1D X Mark III Canon
EOS-1D X Mark III
75 68 69 87 69 72 buy on
NikonD6 Nikon
D6
71 68 68 79 66 69 £82.74

Pentax K-3 Mark III vs Canon EOS-1D X 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 Pentax K-3 Mark III and Canon EOS-1D X Mark III, calculated by the CameraRace iCamRank algorithm.

  • Technically speaking, Canon EOS-1D X Mark III is superior to Pentax K-3 Mark III, with an overall iCamRank score of 75 and 64, respectively.
  • The image quality of Canon EOS-1D X Mark III (65) is superior to that of Pentax K-3 Mark III (48).
  • Canon EOS-1D X Mark III (99) performs better than Pentax K-3 Mark III (61) in terms of speed.
  • Pentax K-3 Mark III (98) and Canon EOS-1D X Mark III (96) are characterized by similar versatility.
  • The handling of Pentax K-3 Mark III (63) is more effective than that of Canon EOS-1D X Mark III (47).

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, Canon EOS-1D X Mark III is superior to Pentax K-3 Mark III in all conditions.

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

Pentax
K-3 Mark III

Sensor
comparison

Canon
EOS-1D X Mark III

CMOS

Sensor Type

CMOS

APS-C down

Sensor Size

up Full frame

23.0 x 15.5 mm down

Sensor Dimensions

up 36.0 x 24.0 mm

356.5 mm2 down

Sensor Area

up 864.0 mm2

26 Mp up

Sensor Resolution

down 20 Mp

6192 x 4128 up

Max Image Resolution

down 5472 x 3648

1600000 up

Max Native ISO

down 102400

100

Min Native ISO

100

yes

RAW Support

yes

Pentax
K-3 Mark III

Lens
comparison

Canon
EOS-1D X Mark III

Pentax KAF2

Lens Mount

Canon EF

155 down

Number of Lenses

up 272

1.5

Focal Length Multiplier

1

Pentax
K-3 Mark III

Screen Type
comparison

Canon
EOS-1D X Mark III

Fixed

Screen Type

Fixed

3.2"

Screen Size

3.2"

1620Kdot down

Screen Resolution

up 2100Kdot

yes

Live View

yes

yes

Touch Screen

yes

Pentax
K-3 Mark III

Viewfinder
comparison

Canon
EOS-1D X Mark III

Optical (pentaprism)

Viewfinder

Optical (pentaprism)

None

Viewfinder Resolution

None

100

Viewfinder Coverage

100

0.7x

Viewfinder Magnification

0.76

Pentax
K-3 Mark III

Features
comparison

Canon
EOS-1D X Mark III

30s

Min Shutter Speed

30s

-

Max Shutter Speed

1/8000s

12fps down

Continuous Shooting

up 20fps

yes

Shutter Priority

yes

yes

Aperture Priority

yes

yes

Manual Exposure Mode

yes

yes

Exposure Compensation

yes

yes

Custom White Balance

yes

yes

Image Stabilization

no

no

Built-in Flash

no

None

Flash Range

None

1/200s

Max Flash Sync

-

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

Flash Modes

no built-in flash

yes

External Flash

yes

yes

AE Bracketing

yes

yes

WB Bracketing

yes

Pentax
K-3 Mark III

Exposure Modes
comparison

Canon
EOS-1D X Mark III

yes

Multi-Segment

yes

yes

Average

yes

yes

Spot

yes

no

Partial

yes

no

AF-Area

no

no

Center Weighted

no

Pentax
K-3 Mark III

Dxo Sensor Scores
comparison

Canon
EOS-1D X Mark III

dato non disponibile

DxO Overall Score

dato non disponibile

dato non disponibile

DxO Color Depth

dato non disponibile

dato non disponibile

DxO Dynamic Range

dato non disponibile

dato non disponibile

DxO Low Light ISO

dato non disponibile

Pentax
K-3 Mark III

Autofocus
comparison

Canon
EOS-1D X Mark III

yes

AF Touch

yes

yes

AF Continuous

yes

yes

AF Single

yes

yes

AF Tracking

yes

yes

AF Selective

yes

yes

AF Center

yes

yes

AF MultiArea

yes

yes

AF Live View

yes

yes

AF Face Detection

yes

yes

AF Contrast Detection

yes

yes

AF Phase Detection

yes

101 down

Number of Focus Points

up 191

25 down

Number of Cross Focus Points

up 155

Pentax
K-3 Mark III

Video Features
comparison

Canon
EOS-1D X Mark III

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

Video Resolutions

5472 X 2886 (60p 30p 25p 24p 23.98p) 1920 x 1080 (120p 60p 50p 25p 24p 23.98p)

3840x2160

Max Video Resolution

5472x2886

MPEG-4 H.264

Video Formats

MPEG-4 H.264 H.265

yes

Microphone Port

yes

yes

Headphone Port

yes

Pentax
K-3 Mark III

Connectivity
comparison

Canon
EOS-1D X Mark III

Built-in

Wireless Connectivity

Built-in

yes

HDMI

yes

USB 3.2 Gen 1 (5 GBit/sec)

USB

USB 3.1 Gen 1 (5 GBit/sec)

Pentax
K-3 Mark III

Physical
comparison

Canon
EOS-1D X Mark III

yes

Environmental Sealing

yes

no

Water Proof

no

no

Dust Proof

no

no

Shock Proof

no

no

Crush Proof

no

no

Freeze Proof

no

820g

Weight

1440g

135 x 104 x 74 mm

Physical Dimensions

158 x 168 x 83 mm

800 down

Battery Life

up 2850

Battery Pack

Battery Type

Built-in

D-LI90

Battery Model

Pentax
K-3 Mark III

Other Features
comparison

Canon
EOS-1D X Mark III

Yes

Self Timer

Yes

yes

Timelapse Recording

yes

no

GPS

yes

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

Storage Type

Dual CFexpress type B

2

Storage Slots

2

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