Nikon D810 Vs Pentax K-3 Mark III: complete comparison

Nikon
D810 change

Vs

Pentax
K-3 Mark III change
Nikon D810 trophy medal portrait medal landscape

Pentax K-3 Mark III medal sport medal street medal everyday
65

Overall Score

64

Nikon

D810
Announced: 26 Jun 2014
Sensor Resolution: 36Mp
Sensor Type: Full frame CMOS
ISO: 64-12800
Weight: 980g
Physical Dimensions: 146 x 123 x 82 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 1920x1080

the best offer

£844.99

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68
Image Quality
48
45
Speed Performance
61
86
Versatility
98
58
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
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The best camera for different types of photography

Nikon
D810

vs

Pentax
K-3 Mark III

68
Portrait Portrait Portrait
53
68
Landscape Landscape Landscape
51
62
SportSport Sport
66
63
Street Street Street
68
66
Everyday Everyday Everyday
71

Best alternative for types of photography

Portrait
Portrait		 Sony Alpha A7R V Sony
Alpha A7R V		 72 buy on
Landscape
Landscape		 Canon EOS-1D X Mark III Canon
EOS-1D X Mark III		 69 buy on
Sport
Sport		 NikonD6 Nikon
D6		 79 buy on
Street
Street		 SonyAlpha A7c Sony
Alpha A7c		 75 buy on
Everyday
Everyday		 SonyCyber-shot DSC-RX100 VII Sony
Cyber-shot DSC-RX100 VII		 77 buy on

Nikon D810
pros and cons

Nikon D810

Nikon

D810
Announced: 26 Jun 2014
Sensor Resolution: 36Mp
Sensor Type: Full frame CMOS
ISO: 64-12800
Weight: 980g
Physical Dimensions: 146 x 123 x 82 mm
Viewfinder: Optical (pentaprism)
Screen Type: 3.2" Fixed
Video Resolutions: 1920x1080

the best offer

£844.99

buy on

prospros

  • Its extraordinary color depth makes it perfect for portrait photography
  • Its wide dynamic range makes it ideal for landscape photography
  • The excellent sensor of this camera makes it perform very well in every shooting range
  • This camera autofocus is able to follow moving subjects
  • The Nikon D810 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
  • It has fast shutter speed, ideal for action photos
  • The second memory slot makes the camera more reliable, also for professional use

Amazon best deals on Nikon D810

Nikon D810 - digital cameras (Auto, Cloudy, Flash, Fluorescent, Fluorescent H, Fluorescent L, Incandescent, Manual, Shade, Sunny, Landscape, Portrait, Aperture priority, Auto, Manual, Shutter priority, Black&White, Neutral, Vivid, Highlights, Movie, Single image, Slide show, Thumbnails, Optical)

Nikon D810 - digital cameras (Auto, Cloudy, Flash, Fluorescent, Fluorescent H, Fluorescent L, Incandescent, Manual, Shade, Sunny, Landscape, Portrait, Aperture priority, Auto, Manual, Shutter priority, Black&White, Neutral, Vivid, Highlights, Movie, Single image, Slide show, Thumbnails, Optical)

£844.99

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Nikon D810 FX-format Digital SLR Camera Body (Renewed)

Nikon D810 FX-format Digital SLR Camera Body (Renewed)

£1,149.99

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Nikon D810 and its rivals

Review compare Nikon D810 with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
NikonD810 Nikon
D810		 65 68 68 62 63 66 £844.99
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

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
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

Nikon D810 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 Nikon D810 and Pentax K-3 Mark III, calculated by the CameraRace iCamRank algorithm.

  • Overall, Nikon D810 (65) and Pentax K-3 Mark III (64) are equivalent from the technical point of view.
  • The image quality of Nikon D810 (68) is superior to that of Pentax K-3 Mark III (48).
  • Pentax K-3 Mark III (61) performs better than Nikon D810 (45) in terms of speed.
  • Pentax K-3 Mark III is more versatile than Nikon D810 (98 a 86).
  • The handling of Pentax K-3 Mark III (63) is more effective than that of Nikon D810 (58).

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:

Nikon D810 is better for portrait or landscape photography; Pentax K-3 Mark III is instead your choice if you shoot sport or street photography or for everyday use.

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

Nikon
D810

Sensor
comparison

Pentax
K-3 Mark III

CMOS

Sensor Type

CMOS

Full frame up

Sensor Size

down APS-C

35.9 x 24.0 mm up

Sensor Dimensions

down 23.0 x 15.5 mm

861.6 mm2 up

Sensor Area

down 356.5 mm2

36 Mp up

Sensor Resolution

down 26 Mp

7360 x 4912 up

Max Image Resolution

down 6192 x 4128

12800 down

Max Native ISO

up 1600000

64 up

Min Native ISO

down 100

yes

RAW Support

yes

Nikon
D810

Lens
comparison

Pentax
K-3 Mark III

Nikon F

Lens Mount

Pentax KAF2

280 up

Number of Lenses

down 155

1

Focal Length Multiplier

1.5

Nikon
D810

Screen Type
comparison

Pentax
K-3 Mark III

Fixed

Screen Type

Fixed

3.2"

Screen Size

3.2"

1229Kdot down

Screen Resolution

up 1620Kdot

yes

Live View

yes

no

Touch Screen

yes

Nikon
D810

Viewfinder
comparison

Pentax
K-3 Mark III

Optical (pentaprism)

Viewfinder

Optical (pentaprism)

None

Viewfinder Resolution

None

100

Viewfinder Coverage

100

0.7

Viewfinder Magnification

0.7x

Nikon
D810

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

yes

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

1/250s

Max Flash Sync

1/200s

Front-curtain sync
slow sync
rear-curtain sync
redeye reduction
redeye reduction w/slow sync
slow rear-curtain sync

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

Nikon
D810

Exposure Modes
comparison

Pentax
K-3 Mark III

yes

Multi-Segment

yes

yes

Average

yes

yes

Spot

yes

no

Partial

no

no

AF-Area

no

yes

Center Weighted

no

Nikon
D810

Dxo Sensor Scores
comparison

Pentax
K-3 Mark III

97 up

DxO Overall Score

dato non disponibile

25.7 up

DxO Color Depth

dato non disponibile

14.8 up

DxO Dynamic Range

dato non disponibile

2853 up

DxO Low Light ISO

dato non disponibile

Nikon
D810

Autofocus
comparison

Pentax
K-3 Mark III

no

AF Touch

yes

yes

AF Continuous

yes

yes

AF Single

yes

yes

AF Tracking

yes

yes

AF Selective

yes

no

AF Center

yes

yes

AF MultiArea

yes

yes

AF Live View

yes

yes

AF Face Detection

yes

no

AF Contrast Detection

yes

yes

AF Phase Detection

yes

51 down

Number of Focus Points

up 101

15 down

Number of Cross Focus Points

up 25

Nikon
D810

Video Features
comparison

Pentax
K-3 Mark III

1920 x 1080 (60p 50p 30p 25p 24p) 1280 x 720 (60p 50p)

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

1920x1080

Max Video Resolution

3840x2160

MPEG-4 H.264

Video Formats

MPEG-4 H.264

yes

Microphone Port

yes

yes

Headphone Port

yes

Nikon
D810

Connectivity
comparison

Pentax
K-3 Mark III

Optional

Wireless Connectivity

Built-in

yes

HDMI

yes

USB 3.0 (5 GBit/sec)

USB

USB 3.2 Gen 1 (5 GBit/sec)

Nikon
D810

Physical
comparison

Pentax
K-3 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

980g

Weight

820g

146 x 123 x 82 mm

Physical Dimensions

135 x 104 x 74 mm

1200 up

Battery Life

down 800

Battery Pack

Battery Type

Battery Pack

EN-EL15

Battery Model

D-LI90

Nikon
D810

Other Features
comparison

Pentax
K-3 Mark III

Yes (2, 5, 10, 20 secs for up to 9 shots)

Self Timer

Yes

yes

Timelapse Recording

yes

yes

GPS

no

SD SDHC SDXC, CompactFlash (UDMA compliant)

Storage Type

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

2

Storage Slots

2

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