Verdict
Head-to-head · Best Cpu Air Coolers

ID Cooling IS-47-XT v2 vs Noctua NH-D15

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

ID Cooling IS-47-XT v2 and Noctua NH-D15 score essentially the same (4.0 vs 4.0). Pick the one whose trade-offs match your priorities — the strengths and watch-outs below are where they actually differ.

ID Cooling IS-47-XT v2
Ranked #6 in Best Cpu Air Coolers
ID Cooling IS-47-XT v2
2 sourcesall derived$29.99as of Oct 2

ID Cooling's IS-47-XT v2 offers practical design features like screw-type fan mounting and easy installation without the rear nut method, making it user-friendly for cable management and build flexibility. The cooler supports 90-degree rotation mounting, allowing users to adjust airflow direction based on their system configuration. However, it uses a stock fan and delivers less cooling performance than premium models such as the IS-50X V2, making it more suitable for budget-conscious users who prioritize ease of installation over maximum thermal performance.

Strengths
  • — Screw-type fan mounting allows for better cable management, per DalraeMyo
  • — Easy installation and removal without rear nut method, per DalraeMyo
  • — Supports 90-degree rotation mounting for flexible airflow direction
Watch-outs
  • — Uses stock fan instead of upgraded cooling solution
  • — Limited cooling performance compared to higher-end models like IS-50X V2
Noctua NH-D15
Ranked #4 in Best Cpu Air Coolers
Noctua NH-D15
8 sources1 derived$159.95as of Oct 2

GamersNexus reviewed the Noctua NH-D15 G2 as the company's first major dual-tower cooler since 2014, noting it's the most expensive air cooler tested at $150. The cooler features 8 heatpipes and three cold plate variants designed for different CPU IHS styles. While it offers strong thermal performance and acoustic benefits with its new NF-A14 G2 fans, reviewers found it less performant and more costly than competing liquid coolers. This makes it best suited for users prioritizing air cooling over liquid solutions, though those seeking maximum performance may want to consider alternatives.

Strengths
  • — Features 8 heatpipes for improved thermal performance
  • — Includes three cold plate variants (HBC, LBC, Standard) for optimized CPU compatibility
  • — NF-A14 G2 fans use PPA/PPB design to reduce beat frequency phenomenon
Watch-outs
  • — More expensive than some top liquid coolers, such as the Arctic Liquid Freezer III 360
  • — Less performant than competing liquid coolers

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

ID Cooling IS-47-XT v2

The ID Cooling IS-47-XT v2 offers superior installation ease and cable management with screw-type mounting, but it's less performant than the Thermalright AXP90-X47 which provides better cooling efficiency and all-copper construction. Compared to the Thermalright AXP90-X36, it's more affordable and offers better airflow direction, though it uses a stock fan and lacks the low-profile design of the AXP90-X36.

Noctua NH-D15

The Noctua NH-D15 offers 8 heatpipes and advanced fan technology but is more expensive than the Thermalright Phantom Spirit 120 SE and lacks the performance of liquid coolers. Compared to the be quiet! Pure Rock Pro 3 Black, it's less quiet and more costly, though it provides superior thermal performance for users who prefer air cooling over liquid solutions.

Specs side-by-side

SpecID Cooling IS-47-XT v2Noctua NH-D15
Cooler TypeCPU Air CoolerAir Cooler
Height47mm168 mm
Heat Pipes48
Fan Size92x92x15mmNF-A14 G2 x2
Noise Level33.2dB(A) max.24.6 dB(A)
CompatibilityAMD socketsAM5, AM4, LGA1700, LGA1851, LGA1954, LGA1156, LGA1155, LGA1150, LGA1151, LGA1200
Voltage12VDC12 volts
Wattage1.8W2.28 watts
Price—$150
Dimensions—5.98"L x 5.91"W x 6.61"H
Material—Copper, nickel plated
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