Compare: NH-D15 G2 vs Peerless Assassin 140

Noctua NH-D15 G2 cooler manufacture's image

Noctua NH-D15 G2

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Thermalright Peerless Assassin 140  Manufacture's image.

Thermalright Peerless Assassin 140

Compare To Another Cooler
Displayed below are comprehensive data and graphs that compare the Noctua NH-D15 G2 to the Thermalright Peerless Assassin 140, showcasing critical qualitative and performance metrics. Performance metrics are further segmented into distinct graphs while leveraging the AMD Ryzen 7 7800X3D, 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 7800X3D (Pick Another CPU)

CPU Cooler Details

Metric Cooler 1: NH-D15 G2 Cooler 2: Peerless Assassin 140
Cooler Name NH-D15 G2 Peerless Assassin 140
Fan 1 Name NF-A14x25r G2 TL-C12B V2 PWM
Fan 2 Name NF-A14x25r G2 TL-D14CB
Manufacture Rated dBa 24.8 25.6
Number of Heat Pipes 8 6
Full Size (WxHxD): 150x168x152 mm 140x158x157 mm
Heatsink 1 (WxHxD) 150x120x55 mm 140x117x55 mm
Heatsink 2 (WxHxD) 150x120x50 mm 140x117x55 mm
Air Cooler Rating: Install 7 (Easy)
AIO Cooler Rating: Install 7 (Easy)
Manufacture's Link NH-D15 G2 Manufacture's Link Peerless Assassin 140 Manufacture's Link

Product Links

Link Type Cooler 1: NH-D15 G2 Cooler 2: Peerless Assassin 140
Amazon.com

Fan Details for CPU Cooler:


Fan 1

Metric Cooler 1 Cooler 2
Fan Name NF-A14x25r G2 TL-C12B V2 PWM
Fan Location Front Front
Fan Flow Type Push Push
CPU Only Fan No No
Max RPM 1500 1500
Fan Size (mm) 140 120
Fan Width (mm) 25 25
Manufacture Rated dBa 24.8 25.6
Manufactured Rated Airflow (cmf) 91.6 66.2
Manufactured Rated Air Pressure (h2o) 1.5
Number Of Pins 4 4
PWM Fan Yes Yes
Bearing Type SSO2 Fluid Dynamic
Watts (W) 2.28 2.40
Current (A) 0.19 0.20
Max Volts 12.00 12.00

Fan 2

Metric Cooler 1 Cooler 2
Fan Name NF-A14x25r G2 TL-D14CB
Fan Location Mid Mid
Fan Flow Type Mid Mid
CPU Only Fan No No
Max RPM 1500 1500
Fan Size (mm) 140 140
Fan Width (mm) 25 27
Manufacture Rated dBa 24.8 25.6
Manufactured Rated Airflow (cmf) 91.6 77.8
Manufactured Rated Air Pressure (h2o) 2.1
Number Of Pins 4 4
PWM Fan Yes Yes
Bearing Type SSO2 Fluid Dynamic
Watts (W) 2.28
Current (A) 0.19
Max Volts 12.00


Design and Aesthetics:


NH-D15 G2

This cooler is quite large and showcases Noctua's signature design, appealing to diehard PC builders who don't want to compromise on cooling performance. The NH-D15 G2 closely resembles the previous generation, with a few updates. This version features eight heat pipes and offset depths on the two heatsinks

Peerless Assassin 140

The Peerless Assassin 140 shares a similar design with other 140mm coolers from Thermalright, featuring two 140mm heatsinks paired with a 120mm fan at the front and a 140mm fan in the middle. The difference in fan sizes helps reduce RAM clearance issues, which are common with most 140mm air coolers. This model has a polished top and comes in an all-black design, though other color options may be available.


Install Notes:


NH-D15 G2

The NH-D15 G2 retains the same installation design as its predecessor, with the addition of a new bracket that allows for offset mounting on AM5 CPUs. The installation process is straightforward, guided by clear instructions that adhere to industry standards for top-tier coolers. However, the cooler's large size may pose challenges when maneuvering it within the case.

Peerless Assassin 140

The Peerless Assassin 140 CPU cooler features installation components similar to many mainstream Thermalright designs, making it relatively easy to install. However, it encounters a challenge when uninstalling, as it doesn't allow for sliding or twisting to break the thermal paste seal. This can be problematic if the thermal paste creates a strong bond between the cooler and the CPU.




Cooling Performance:


NH-D15 G2

The Noctua's NH-D15 G2 cooler is hard to beat in terms of cooling performance, even outperforming AIOs from various other brands—a result expected given its larger size. However, when compared to the previous generation, its performance is on par, offering little improvement.

Peerless Assassin 140

While the cooler offers similar peak performance to its competitors, its main advantage lies in its efficiency at lower RPMs, where it provides slightly better cooling. This translates to a noticeable edge in noise-to-performance ratio compared to smaller coolers, making it quieter under lower loads while still maintaining strong cooling capabilities.


Noise Performance:


NH-D15 G2

Compared to the average cooler, the Noctua NH-D15 G2 is louder than most on the market. However, when performance is evaluated on a noise-normalized basis, this cooler is tough to beat, offering excellent cooling for a given noise level. This means you can keep your cooler quiet when needed, while still having the headroom to increase the speed for enhanced cooling performance.

Peerless Assassin 140

Due to its larger fans, this cooler becomes more audible at higher RPMs. However, because the fans move more air, lower RPMs are generally sufficient for cooling under most moderate CPU loads, allowing for quieter operation without sacrificing performance.


Summary:


NH-D15 G2

The Noctua NH-D15 G2 retains the familiar installation design of its predecessor, with the addition of a new bracket for offset mounting on AM5 CPUs. While its large size may make installation a bit challenging, the process is straightforward, with clear instructions that meet industry standards. The cooler's substantial size is matched by its performance, offering exceptional cooling that even surpasses many AIOs from other brands. Although its performance is on par with the previous generation, the NH-D15 G2 still delivers excellent cooling, particularly when considering noise levels. Despite being louder than the average cooler, it excels in noise-normalized performance, allowing users to maintain quiet operation while having the flexibility to ramp up speed for maximum cooling when needed.

Peerless Assassin 140

The Peerless Assassin 140 CPU cooler is easy to install, thanks to its design resembling other mainstream Thermalright models, but it presents a challenge during uninstallation as it doesn’t allow for sliding or twisting to break the thermal paste seal. It features two 140mm heatsinks, a 120mm fan at the front, and a 140mm fan in the middle, which helps reduce RAM clearance issues common with larger coolers. While its peak performance is on par with competitors, it excels at lower RPMs, offering better cooling and a superior noise-to-performance ratio compared to smaller coolers. Although more audible at higher RPMs due to its larger fans, the slower speeds still provide sufficient cooling for most moderate CPU loads, ensuring quieter operation without compromising performance.


AMD Ryzen 7 7800x3D Manufacturer's image

AMD Ryzen 7 7800X3D

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CPU Details:

Metric Value
Brand AMD
Cooler Name Ryzen 7 7800X3D
CPU Socket AM5
Cores 8
Thread Count 16
Max Temperature 89°C
Base Clock 4.2GHz
Max Boost Clock 5.0GHz
Cache L1 512KB
Cache L2 8MB
Cache L3 96MB
Processor Power Base 120W
Manufacture's Link Ryzen 7 7800X3D Manufacture's Link

Product Links

Link Type Value
Amazon.com

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