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The Nikon D850 outperforms the Pentax 645Z with a score of 82/100 compared to 73/100. Both cameras are DSLR models, with the D850 released in 2017 and the 645Z in 2014. They share similarities in camera type and announcement dates, but the D850 has a significant advantage in its lower launch price of $3300, compared to the 645Z’s $8499. Additionally, the D850 is lighter and more compact, weighing 2.22lbs and measuring 146 x 124 x 79mm, while the 645Z weighs 3.42lbs and measures 156 x 117 x 123mm.
The Nikon D850’s higher score reflects its better value for money, as well as its more portable design. On the other hand, the Pentax 645Z still offers excellent performance, but its higher price and larger size make it less appealing to some users. Ultimately, the choice between these two cameras comes down to individual preferences and budget constraints.
Nikon D850 vs Pentax 645Z Overview and Optics
The Nikon D850 and Pentax 645Z both receive a score of 79/100 for their optics, making it a tie between these two cameras. They share some common specifications, such as the CMOS sensor type, lack of image stabilization, and a similar DXOMARK score for the sensor (100 for the Nikon D850 and 101 for the Pentax 645Z).
The Nikon D850 has a few advantages over the Pentax 645Z. It has a faster shooting speed of 7 frames per second, compared to the Pentax 645Z’s 3 frames per second. This allows the D850 to capture fast-moving subjects more effectively. The D850 also features a more powerful processor, the Expeed 5, which contributes to better image processing and overall performance. Additionally, the D850 has a full-frame sensor and a 3:2 aspect ratio, making it more versatile for various photography styles.
On the other hand, the Pentax 645Z has its own strengths. It boasts a higher megapixel count of 51.4, compared to the Nikon D850’s 45.7, which results in more detailed images. The 645Z also has a medium-format sensor, which is larger than the D850’s full-frame sensor, providing a greater dynamic range and better low-light performance. The Pentax 645Z is equipped with a 4:3 aspect ratio, which is more suitable for portrait photography.
In comparing these two cameras, it is evident that the Nikon D850 excels in speed and versatility, whereas the Pentax 645Z offers superior image quality and is better suited for portrait photography. The choice between these two cameras ultimately depends on the specific needs and preferences of the photographer.
Optics
Nikon D850
Pentax 645Z
Megapixels
45.7 MP
51.4 MP
Image Resolution
8256 x 5504 px
8256 x 6192 px
Sensor Type
CMOS
CMOS
Sensor Size
23.9 x 35.9 mm
32.8 x 43.8 mm
Sensor Format
Full Frame
Medium Format
Frame Rate
7 fps
3 fps
Lens Mount
Nikon F FX
Pentax 645AF2
Image Processor
Expeed 5
Prime III
Aspect Ratio
3:2
4:3
Minimum ISO (Native)
64
100
Maximum ISO (Native)
25,600
204,800
Minimum ISO (Expanded)
32
100
Maximum ISO (Expanded)
102400
204800
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 4000 s
Autofocus Points
153
27
In-body Stabilization
Viewfinder Type
Optical (pentaprism)
Optical (pentaprism)
Nikon D850 vs Pentax 645Z Video Performance
The Nikon D850 and the Pentax 645Z both have a video score of 70/100, indicating that they are equally capable in terms of video performance. Both cameras share common features such as having time-lapse functionality built in, which is a useful feature for capturing dynamic changes in scenery over time.
However, the Nikon D850 has a clear advantage in terms of video resolution. It offers 4K video recording with maximum dimensions of 3840 x 2160, providing higher video quality and greater detail than the Pentax 645Z. The Pentax 645Z, on the other hand, has a maximum video resolution of Full HD with dimensions of 1920 x 1080. This means that the Nikon D850 is better suited for those who require superior video quality and detail in their recordings.
In contrast, the Pentax 645Z excels in terms of maximum video frame rate, offering 60fps compared to the Nikon D850’s 30fps. The higher frame rate of the Pentax 645Z allows for smoother video playback and is particularly useful for capturing fast-moving subjects or action scenes. This makes the Pentax 645Z more appealing for those who prioritize smooth video playback and capturing fast-paced events.
Taking these factors into account, the Nikon D850 is the better choice for those who require high-resolution video quality and detail, while the Pentax 645Z is more suitable for those who prioritize smooth video playback and capturing fast-paced action. Despite their equal video scores, both cameras provide different advantages in video capabilities, catering to the specific needs of different users.
Video
Nikon D850
Pentax 645Z
Video
Max Video Resolution
4K
Full HD
Max Video Dimensions
3840 x 2160 px
1920 x 1080 px
Max Video Frame Rate
30 p
60 p
Time-Lapse Built In
Video File Format
MOV, MP4
MOV, AVI
Nikon D850 vs Pentax 645Z Features and Benefits
The Nikon D850 outperforms the Pentax 645Z with a feature score of 87/100 compared to 59/100. Both cameras share some common specifications, including a 3.2-inch screen size, lack of GPS, and WIFI connectivity. However, the Nikon D850 excels in certain areas, while the Pentax 645Z has its own advantages.
The Nikon D850 has a higher screen resolution of 2,359,000 dots, compared to the Pentax 645Z’s 1,037,000 dots. This results in a clearer and sharper display on the D850. Additionally, the D850 has a touchscreen, making it more user-friendly and efficient in navigating settings and reviewing images. The camera also includes Bluetooth connectivity, allowing for seamless pairing with smartphones and other devices.
On the other hand, the Pentax 645Z offers a flip screen, providing flexibility in shooting angles and aiding in composing images, especially in challenging situations. This feature is absent in the Nikon D850. However, the 645Z lacks a touchscreen and Bluetooth connectivity, which may be significant drawbacks for some users.
Taking into consideration the specifications and features of both cameras, the Nikon D850 emerges as the superior choice due to its higher-resolution screen, touchscreen, and Bluetooth connectivity. The Pentax 645Z has the advantage of a flip screen, but its lower feature score and lack of certain features make it less competitive. Ultimately, the Nikon D850 offers a more comprehensive and user-friendly package, making it the better option for photographers who prioritize advanced features and versatility.
Features
Nikon D850
Pentax 645Z
Built-in Flash
External Flash
GPS
Weather Sealing
Screen Type
LCD
LCD
Touch Screen
Screen Size
3.2"
3.2"
Screen Resolution
2,359,000 dots
1,037,000 dots
Flip Screen
Live View
Wi-Fi
Bluetooth
Nikon D850 vs Pentax 645Z Storage and Battery
The Nikon D850 outperforms the Pentax 645Z in storage and battery with a score of 84/100 compared to 65/100. Both cameras share similarities, such as having two memory card slots and accepting SD, SDHC, and SDXC cards. Additionally, neither camera offers USB charging capabilities.
The D850 excels with its battery life, providing 1840 shots per charge using the EN-EL15a battery. This significantly surpasses the 645Z’s 650 shots per charge with its D-LI90 battery. Furthermore, the D850 is compatible with UHS-II SD cards and also supports XQD cards, giving users more flexibility and faster data transfer rates.
On the other hand, the Pentax 645Z does not offer any significant advantages in storage and battery over the Nikon D850. The lower score reflects its shorter battery life and limited card compatibility.
Considering the longer battery life and better memory card compatibility, the Nikon D850 proves to be the superior choice for storage and battery performance. The Pentax 645Z falls short in these aspects, making the D850 a more reliable and versatile option for photographers.
Storage and Battery
Nikon D850
Pentax 645Z
Memory Card
SD / SDHC / SDXC (UHS-II compatible), XQD
SD / SDHC / SDXC
Dual Memory Card Slots
Battery Type
EN-EL15a
D-LI90
Battery Life
1,840 shots
650 shots
USB Charging
Photography Genre
Graded from the first-hand experience of one of our writers
If you buy a product through one of our referral links we will earn a commission (without costing you anything).
Prices last updated on .
As an Amazon Associate, I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
If you buy a product through one of our referral links we will earn a commission (without costing you anything).
Prices last updated on .
As an Amazon Associate, I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.