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

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

Canon EOS Rebel T8i
64

Overall Score

59

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
47
61
Speed Performance
47
98
Versatility
87
63
Comfort
68

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
Disclaimer

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The best camera for different types of photography

Pentax
K-3 Mark III

vs

Canon
EOS Rebel T8i

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

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
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
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

pros pros

  • 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
NikonD780 Nikon
D780
71 69 69 67 74 77 buy on
CanonEOS 90D Canon
EOS 90D
65 54 52 66 70 75 buy on
PentaxKF Pentax
KF
58 51 50 55 63 67 buy on

Pentax K-3 Mark III vs Canon EOS Rebel T8i, 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 Rebel T8i, 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 Pentax K-3 Mark III (48) is similar to that of Canon EOS Rebel T8i (47).
  • 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.

Pentax
K-3 Mark III

Sensor
comparison

Canon
EOS Rebel T8i

CMOS

Sensor Type

CMOS

APS-C

Sensor Size

APS-C

23.0 x 15.5 mm up

Sensor Dimensions

down 22.3 x 14.9 mm

356.5 mm2 up

Sensor Area

down 332.27 mm2

26 Mp up

Sensor Resolution

down 24 Mp

6192 x 4128 up

Max Image Resolution

down 6000 x 4000

1600000 up

Max Native ISO

down 25600

100

Min Native ISO

100

yes

RAW Support

yes

Pentax
K-3 Mark III

Lens
comparison

Canon
EOS Rebel T8i

Pentax KAF2

Lens Mount

Canon EF/EF-S

155 down

Number of Lenses

up 321

1.5

Focal Length Multiplier

1.6

Pentax
K-3 Mark III

Screen Type
comparison

Canon
EOS Rebel T8i

Fixed down

Screen Type

up Fully articulated

3.2"

Screen Size

3.0"

1620Kdot up

Screen Resolution

down 1040Kdot

yes

Live View

yes

yes

Touch Screen

yes

Pentax
K-3 Mark III

Viewfinder
comparison

Canon
EOS Rebel T8i

Optical (pentaprism)

Viewfinder

Optical (pentamirror)

None

Viewfinder Resolution

None

100

Viewfinder Coverage

95

0.7x

Viewfinder Magnification

0.51

Pentax
K-3 Mark III

Features
comparison

Canon
EOS Rebel T8i

30s

Min Shutter Speed

30s

-

Max Shutter Speed

1/4000s

12fps up

Continuous Shooting

down 8fps

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

yes

None

Flash Range

4.0

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

n/a

yes

External Flash

yes

yes

AE Bracketing

yes

yes

WB Bracketing

yes

Pentax
K-3 Mark III

Exposure Modes
comparison

Canon
EOS Rebel T8i

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 Rebel T8i

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 Rebel T8i

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 up

Number of Focus Points

down 45

25 up

Number of Cross Focus Points

down 0

Pentax
K-3 Mark III

Video Features
comparison

Canon
EOS Rebel T8i

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

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

3840x2160

Max Video Resolution

3840x2160

MPEG-4 H.264

Video Formats

MPEG-4 H.264

yes

Microphone Port

yes

yes

Headphone Port

no

Pentax
K-3 Mark III

Connectivity
comparison

Canon
EOS Rebel T8i

Built-in

Wireless Connectivity

Built-in

yes

HDMI

yes

USB 3.2 Gen 1 (5 GBit/sec)

USB

USB 2.0 (480 Mbit/sec)

Pentax
K-3 Mark III

Physical
comparison

Canon
EOS Rebel T8i

yes

Environmental Sealing

no

no

Water Proof

no

no

Dust Proof

no

no

Shock Proof

no

no

Crush Proof

no

no

Freeze Proof

no

820g

Weight

515g

135 x 104 x 74 mm

Physical Dimensions

131 x 103 x 76 mm

800

Battery Life

800

Battery Pack

Battery Type

Battery Pack

D-LI90

Battery Model

Pentax
K-3 Mark III

Other Features
comparison

Canon
EOS Rebel T8i

Yes

Self Timer

Yes (2 or 10 sec)

yes

Timelapse Recording

yes

no

GPS

yes

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

Storage Type

SD SDHC SDXC (UHS-I compatible)

2up

Storage Slots

down1

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