Canon EOS Rebel T8i Vs Pentax K-3 Mark III: full comparison

Canon
EOS Rebel T8i change

Vs

Pentax
K-3 Mark III change
Canon EOS Rebel T8i

Pentax K-3 Mark III trophy medal portrait medal landscape medal sport medal street medal everyday
59

Overall Score

64

Canon

EOS Rebel T8i
Announced: 12 Feb 2020
Sensor Resolution: 24Mp
Sensor Type: APS-C CMOS
ISO: 100-25600
Weight: 515g
Physical Dimensions: 131 x 103 x 76 mm
Viewfinder: Optical (pentamirror)
Screen Type: 3" Fully articulated
Video Resolutions: 3840x2160
buy on
47
Image Quality
48
47
Speed Performance
61
87
Versatility
98
68
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
buy on
Disclaimer

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The best camera for different types of photography

Canon
EOS Rebel T8i

vs

Pentax
K-3 Mark III

51
Portrait Portrait Portrait
53
49
Landscape Landscape Landscape
51
57
SportSport Sport
66
66
Street Street Street
68
69
Everyday Everyday Everyday
71

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Portrait
Portrait		 Sony Alpha A7R IV Sony
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Landscape
Landscape		 Canon EOS R5 Canon
EOS R5		 69 buy on
Sport
Sport		 OlympusOM System OM-1 Olympus
OM System OM-1		 75 buy on
Street
Street		 FujifilmX-Pro3 Fujifilm
X-Pro3		 77 buy on
Everyday
Everyday		 SonyCyber-shot DSC-RX100 VII Sony
Cyber-shot DSC-RX100 VII		 77 buy on

Canon EOS Rebel T8i
pros and cons

Canon EOS Rebel T8i

Canon

EOS Rebel T8i
Announced: 12 Feb 2020
Sensor Resolution: 24Mp
Sensor Type: APS-C CMOS
ISO: 100-25600
Weight: 515g
Physical Dimensions: 131 x 103 x 76 mm
Viewfinder: Optical (pentamirror)
Screen Type: 3" Fully articulated
Video Resolutions: 3840x2160
buy on

prospros

  • This camera autofocus is able to follow moving subjects
  • The LCD display is a convenient and almost indispensable feature
  • The microphone input can be very useful if you shoot videos
  • It has fast shutter speed, ideal for action photos
  • The fully articulated display allows you to manage the framing even in hard conditions
  • Thanks to the wireless connection, Canon EOS Rebel T8i allows immediate picture sharing

conscons

  • Warning - Canon EOS Rebel T8i is not a tropicalized camera. If you use it in adverse conditions, you could ruin it.

Canon EOS Rebel T8i and its rivals

Review compare Canon EOS Rebel T8i with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
CanonEOS Rebel T8i Canon
EOS Rebel T8i		 59 51 49 57 66 69 buy on
CanonEOS 90D Canon
EOS 90D		 65 54 52 66 70 75 $844.99
PentaxKF Pentax
KF		 58 51 50 55 63 67 $696.95

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
buy on

pros pros

  • 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
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 Rebel T8i 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 Rebel T8i and Pentax K-3 Mark III, calculated by the CameraRace iCamRank algorithm.

  • Technically speaking, Pentax K-3 Mark III is superior to Canon EOS Rebel T8i, with an overall iCamRank score of 64 and 59, respectively.
  • The image quality of Canon EOS Rebel T8i (47) is similar to that of Pentax K-3 Mark III (48).
  • Pentax K-3 Mark III (61) performs better than Canon EOS Rebel T8i (47) in terms of speed.
  • Pentax K-3 Mark III is more versatile than Canon EOS Rebel T8i (98 a 87).
  • The handling of Canon EOS Rebel T8i (68) is more effective than that of Pentax K-3 Mark III (63).

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 Rebel T8i in all conditions.

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

Canon
EOS Rebel T8i

Sensor
comparison

Pentax
K-3 Mark III

CMOS

Sensor Type

CMOS

APS-C

Sensor Size

APS-C

22.3 x 14.9 mm down

Sensor Dimensions

up 23.0 x 15.5 mm

332.27 mm2 down

Sensor Area

up 356.5 mm2

24 Mp down

Sensor Resolution

up 26 Mp

6000 x 4000 down

Max Image Resolution

up 6192 x 4128

25600 down

Max Native ISO

up 1600000

100

Min Native ISO

100

yes

RAW Support

yes

Canon
EOS Rebel T8i

Lens
comparison

Pentax
K-3 Mark III

Canon EF/EF-S

Lens Mount

Pentax KAF2

321 up

Number of Lenses

down 155

1.6

Focal Length Multiplier

1.5

Canon
EOS Rebel T8i

Screen Type
comparison

Pentax
K-3 Mark III

Fully articulated up

Screen Type

down Fixed

3.0"

Screen Size

3.2"

1040Kdot down

Screen Resolution

up 1620Kdot

yes

Live View

yes

yes

Touch Screen

yes

Canon
EOS Rebel T8i

Viewfinder
comparison

Pentax
K-3 Mark III

Optical (pentamirror)

Viewfinder

Optical (pentaprism)

None

Viewfinder Resolution

None

95

Viewfinder Coverage

100

0.51

Viewfinder Magnification

0.7x

Canon
EOS Rebel T8i

Features
comparison

Pentax
K-3 Mark III

30s

Min Shutter Speed

30s

1/4000s

Max Shutter Speed

-

8fps down

Continuous Shooting

up 12fps

yes

Shutter Priority

yes

yes

Aperture Priority

yes

yes

Manual Exposure Mode

yes

yes

Exposure Compensation

yes

yes

Custom White Balance

yes

no

Image Stabilization

yes

yes

Built-in Flash

no

4.0

Flash Range

None

-

Max Flash Sync

1/200s

n/a

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

yes

AE Bracketing

yes

yes

WB Bracketing

yes

Canon
EOS Rebel T8i

Exposure Modes
comparison

Pentax
K-3 Mark III

yes

Multi-Segment

yes

yes

Average

yes

yes

Spot

yes

yes

Partial

no

no

AF-Area

no

no

Center Weighted

no

Canon
EOS Rebel T8i

Dxo Sensor Scores
comparison

Pentax
K-3 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

Canon
EOS Rebel T8i

Autofocus
comparison

Pentax
K-3 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

45 down

Number of Focus Points

up 101

0 down

Number of Cross Focus Points

up 25

Canon
EOS Rebel T8i

Video Features
comparison

Pentax
K-3 Mark III

3840 x 2160 @ 25p / 120 Mbps MP4 H.264 AAC3840 x 2160 @ 23.98p / 120 Mbps MP4 H.264 AAC1920 x 1080 @ 60p / 60 Mbps MP4 H.264 AAC1920 x 1080 @ 50p / 60 Mbps MP4 H.264 AAC1920 x 1080 @ 30p / 30 Mbps MP4 H.264 AAC1920 x 1080 @ 25p / 30 Mbps MP4 H.264 AAC1920 x 1080 @ 23.98p / 30 Mbps MP4 H.264 AAC

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

3840x2160

Max Video Resolution

3840x2160

MPEG-4 H.264

Video Formats

MPEG-4 H.264

yes

Microphone Port

yes

no

Headphone Port

yes

Canon
EOS Rebel T8i

Connectivity
comparison

Pentax
K-3 Mark III

Built-in

Wireless Connectivity

Built-in

yes

HDMI

yes

USB 2.0 (480 Mbit/sec)

USB

USB 3.2 Gen 1 (5 GBit/sec)

Canon
EOS Rebel T8i

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

515g

Weight

820g

131 x 103 x 76 mm

Physical Dimensions

135 x 104 x 74 mm

800

Battery Life

800

Battery Pack

Battery Type

Battery Pack

Battery Model

D-LI90

Canon
EOS Rebel T8i

Other Features
comparison

Pentax
K-3 Mark III

Yes (2 or 10 sec)

Self Timer

Yes

yes

Timelapse Recording

yes

yes

GPS

no

SD SDHC SDXC (UHS-I compatible)

Storage Type

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

1down

Storage Slots

up2

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