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Nikon D810 vs Pentax 645D Comparison

Optics
Video
Features
Storage & Battery

Nikon D810

nikon d810
Winner!
72%

Pentax 645D

Pentax 645D camera image
61%
Nikon D810
vs
Pentax 645D
Price
Brand
Nikon
Pentax
Model
D810
645D
Released
2014
2010
Announcement Date
June 26, 2014
March 01, 2010
Camera Type
DSLR
DSLR
Camera Size
Camera Weight

The Nikon D810 outperforms the Pentax 645D with a score of 72/100 compared to 61/100. Both cameras share the DSLR camera type and similar sizes, with the Nikon D810 measuring 146 x 123 x 82mm and the Pentax 645D at 156 x 117 x 119mm. The Nikon D810 excels with its lighter weight of 980g, while the Pentax 645D weighs 1480g. Additionally, the D810 offers a more affordable launch price of $3300 compared to the 645D’s $9400.

Despite its lower score, the Pentax 645D still has merits, such as its earlier release in 2010. However, the Nikon D810’s higher score, lighter weight, and lower price make it the superior choice for consumers.

Nikon D810 vs Pentax 645D Overview and Optics

The Nikon D810 triumphs over the Pentax 645D in optics with a score of 76/100, compared to the Pentax 645D’s 66/100. Both cameras share certain specifications, such as having no image stabilization and featuring similar lens mounts – Nikon F FX for the D810 and Pentax 645AF2 for the 645D.

The Nikon D810 outperforms the Pentax 645D in several aspects. It has a higher DXOMARK sensor score of 97, compared to the Pentax’s 82, providing better image quality. The D810 also features a faster shooting speed of 5 frames per second, while the 645D only manages 1.1 frames per second. Additionally, the D810 uses a CMOS sensor and an Expeed 4 processor, resulting in better low-light performance and faster processing speeds.

On the other hand, the Pentax 645D offers a higher resolution with 40 megapixels, compared to the D810’s 36.3 megapixels. It also has a larger sensor size, with a medium format sensor compared to the D810’s full-frame sensor. The 645D’s 4:3 aspect ratio provides a more square image, which some photographers may prefer over the D810’s 3:2 aspect ratio.

Despite the Pentax 645D’s advantages in resolution and sensor size, the Nikon D810’s superior sensor performance, faster shooting speed, and better low-light capabilities make it the better choice in terms of optics. The D810’s higher score reflects its overall superior performance, making it the clear winner in this comparison.

Optics
Optics
76%
66%
Megapixels
36.3 MP
40 MP
Image Resolution
7360 x 4912 px
7264 x 5440 px
Sensor Type
CMOS
CCD
Sensor Size
24 x 35.9 mm
33 x 44 mm
Sensor Format
Full Frame
Medium Format
Frame Rate
5 fps
1.1 fps
Lens Mount
Nikon F FX
Pentax 645AF2
Image Processor
Expeed 4
Prime II
Aspect Ratio
3:2
4:3
Minimum ISO (Native)
64
100
Maximum ISO (Native)
32,000
1,600
Minimum ISO (Expanded)
32
100
Maximum ISO (Expanded)
51200
1600
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 4000 s
Autofocus Points
51
11
In-body Stabilization
Viewfinder Type
Optical (tunnel)
Optical (pentaprism)

Nikon D810 vs Pentax 645D Video Performance

When comparing the Nikon D810 and the Pentax 645D, it is important to note that the Pentax 645D does not have any video functionality. Therefore, this comparison will focus on the video capabilities of the Nikon D810.

The Nikon D810 has a video score of 70 out of 100. Its maximum video resolution is Full HD, with dimensions of 1920 x 1080 pixels. The camera can record video at a maximum frame rate of 60 frames per second, providing smooth and high-quality footage. Additionally, the Nikon D810 has a built-in time-lapse functionality, which allows users to create stunning time-lapse videos without the need for additional equipment or software.

Considering the video capabilities, the Nikon D810 clearly stands out as the camera with the ability to record video, while the Pentax 645D lacks this feature. For those interested in video recording, the Nikon D810 is the better choice due to its higher score and various video features.

Video
Video
70%
Video
Max Video Resolution
Full HD
N/A
Max Video Dimensions
1920 x 1080 px
N/A
Max Video Frame Rate
60 p
N/A
Time-Lapse Built In
Video File Format
MOV
N/A

Nikon D810 vs Pentax 645D Features and Benefits

The Nikon D810 outperforms the Pentax 645D in features, scoring 59/100 compared to the latter’s 54/100. Both cameras share some common specifications, including the absence of a touchscreen, flip screen, GPS, and Bluetooth. However, they both have WIFI capabilities.

The Nikon D810 surpasses the Pentax 645D in screen size and resolution. With a 3.2-inch screen and a resolution of 1,229,000 dots, the D810 offers a better viewing experience than the 645D, which has a 3-inch screen and a resolution of 921,000 dots. This difference makes it easier for photographers to review images and navigate menus on the D810.

On the other hand, the Pentax 645D has few advantages over the Nikon D810 in terms of features. Both cameras lack certain specifications, such as a touchscreen, flip screen, GPS, and Bluetooth. However, these missing features do not necessarily make the 645D a better camera than the D810.

Taking all of these factors into consideration, the Nikon D810 is the superior camera in terms of features, with a larger and higher-resolution screen, providing a more enjoyable user experience. The Pentax 645D falls short in comparison, as it does not offer any significant advantages over the D810. Therefore, the Nikon D810 is the clear winner in this comparison.

Features
Features
59%
54%
Built-in Flash
External Flash
GPS
Weather Sealing
Screen Type
LCD
LCD
Touch Screen
Screen Size
3.2"
3"
Screen Resolution
1,229,000 dots
921,000 dots
Flip Screen
Live View
Wi-Fi
Bluetooth

Nikon D810 vs Pentax 645D Storage and Battery

The Nikon D810 outperforms the Pentax 645D in storage and battery, scoring 79/100 compared to the latter’s 35/100. Both cameras share some specifications, such as not having USB charging capabilities and accepting SD/SDHC memory cards. However, the Nikon D810 excels with its dual memory card slots, supporting SDXC and Compact Flash UDMA cards in addition to SD/SDHC. This provides more storage and flexibility for photographers.

Furthermore, the Nikon D810 has a longer battery life, offering 1200 shots per charge with its EN-EL15 battery, while the Pentax 645D only provides 800 shots using the D-LI90 battery. This difference allows Nikon D810 users to capture more photos before needing to recharge or replace the battery.

On the other hand, the Pentax 645D does not have any advantages over the Nikon D810 in terms of storage and battery. Considering the significant difference in scores, the Nikon D810 is the clear winner in this comparison, offering greater storage options and longer battery life for photographers.

Storage and Battery
Storage and Battery
79%
35%
Memory Card
SD / SDHC / SDXC, Compact Flash, UDMA
SD / SDHC
Dual Memory Card Slots
Battery Type
EN-EL15
D-LI90
Battery Life
1,200 shots
800 shots
USB Charging
DXOMARK Scores
Sensor scores tested by DXOMARK
Overall Score
97%
82%
Portrait (Color Depth)
25.7 bits
24.6 bits
Landscape (Dynamic Range)
14.8 EVs
12.6 EVs
Sports (Low-Light ISO)
2853
1262
Scores

Nikon D810 vs Pentax 645D – Our Verdict

Nikon D810 vs Pentax 645D Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Nikon D810 or the Pentax 645D:

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