Compare: NH-L9x65 vs Assassin IV

Assassin IV Manufacture's Image

DeepCool Assassin IV

Compare To Another Cooler
Displayed below are comprehensive data and graphs that compare the Noctua NH-L9x65 to the DeepCool Assassin IV, showcasing critical qualitative and performance metrics. Performance metrics are further segmented into distinct graphs while leveraging the AMD Ryzen 7 5800X, illustrating how each cooler performs under various varying CPU power levels. This allows for a clear comparison of their relative performance and sound output when under different heat loads. The comparison is conducted under the following conditions:
  • Case: Praxis Wetbench
  • Ambient Temperatures: 23°C
  • CPU: AMD Ryzen 7 5800X (Pick Another CPU)

CPU Cooler Details

Metric Cooler 1: NH-L9x65 Cooler 2: Assassin IV
Cooler Name NH-L9x65 Assassin IV
Fan 1 Name NF-A9x14 PWM Assassin IV Cooler Fan
Fan 2 Name Assassin IV Cooler Fan
Manufacture Rated dBa 23.6 29.3
Number of Heat Pipes 4 7
Full Size (WxHxD): 95x51x95 mm 147x164x144 mm
Heatsink (WxHxD) 95x35x81 mm
Air Cooler Rating: Install 8 (Easy) 7 (Easy)
Manufacture's Link NH-L9x65 Manufacture's Link Assassin IV Manufacture's Link

Product Links

Link Type Cooler 1: NH-L9x65 Cooler 2: Assassin IV
Amazon.com

Fan Details for CPU Cooler:


Fan 1

Metric Cooler 1 Cooler 2
Fan Name NF-A9x14 PWM Assassin IV Cooler Fan
Fan Location Top Front
Fan Flow Type Push Push
CPU Only Fan No Yes
Max RPM 2500 1700
Fan Size (mm) 92 140
Fan Width (mm) 25 25
Manufacture Rated dBa 19.9 29.3
Manufactured Rated Airflow (cmf) 29.7 79.1
Manufactured Rated Air Pressure (h2o) 1.6 2.4
Number Of Pins 4 4
PWM Fan Yes No
Bearing Type SSO2 Fluid Dynamic
Watts (W) 1.32 3.60
Current (A) 0.11 0.30
Max Volts 12.00 12.00

Fan 2

Metric Cooler 1 Cooler 2
Fan Name Assassin IV Cooler Fan
Fan Location Mid
Fan Flow Type Mid
CPU Only Fan Yes
Max RPM 1700
Fan Size (mm) 140
Fan Width (mm) 25
Manufacture Rated dBa 29.3
Manufactured Rated Airflow (cmf) 79.1
Manufactured Rated Air Pressure (h2o) 2.4
Number Of Pins 4
PWM Fan No
Bearing Type Fluid Dynamic
Watts (W) 3.60
Current (A) 0.30
Max Volts 12.00


Design and Aesthetics:


NH-L9x65

The NH-L9x65 features a low-profile design with a slim aluminum heatsink and a 92mm NF-A9x14 PWM fan. With a height of only 65mm, the cooler is compatible with a wide range of PC cases, including mini-ITX and HTPC builds. Aesthetically, the NH-L9x65 maintains Noctua's signature beige and brown color scheme, reflecting the brand's reputation for quality and performance.

Assassin IV

This cooler boasts a clean and modern design that sets it apart from other air CPU coolers available today. The entire cooler is tightly put together, which can make it a bit tricky to figure out how to take it apart into its different parts. The middle fan is hidden seamlessly without any visible gaps around it. It comes in an all-black design with DeepCool's signature textured radiator, adding a stylish and modern touch to any setup.


Install Notes:


NH-L9x65

This cooler is designed to be a typical Noctua cooler installation, which is easy to do and rather straightforward. This means that if you're new to installing a CPU cooler, there is little room to make a mistake. For AMD is uses the original AMD backplate. Only downside to the Noctua installation is that the cooler may stick to your CPU and given how the screws are setup, you can't slide the cooler off the CPU like other brands.

Assassin IV

Installing the Assassin IV is made easier with its smooth setup process. However, because it's small and designed with a lot of details, getting it installed correctly might be a bit tricky if you don't follow the instructions they give you. This cooler uses a bracket that's almost the same as premium coolers and attaches to the motherboard in a way that's like the AK620 model. Figuring out how to put the cooler onto the brackets might be a bit puzzling because its design is so seamless and neat. The top metal mesh that covers the fan sticks on with a magnet, so you can easily access and remove the middle fan during installation. Then, you can attach the cooler to a two-point system and put the middle fan back in place. However, this cooler doesn't put it's fan in the front like most other coolers, so the exposed fan faces the rear. One neat thing is that the fans are already connected, so you only need one plug to turn on both fans and the cooler's LED DeepCool logo. There are additional brackets to potentially add a third fan to the front of the cooler.




AMD 5800X CPU Box Image

AMD Ryzen 7 5800X

Pick Another CPU

CPU Details:

Metric Value
Brand AMD
Cooler Name Ryzen 7 5800X
CPU Socket AM4
Cores 8
Thread Count 16
Max Temperature 90°C
Base Clock 3.8GHz
Max Boost Clock 4.7GHz
Cache L1
Cache L2 4MB
Cache L3 32MB
Processor Power Base 105W
Manufacture's Link Ryzen 7 5800X Manufacture's Link

Product Links

Link Type Value
Amazon.com

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