Head-to-head · Best Air Coolers Under $100

Noctua NH-L9i vs Thermalright Phantom Spirit 120 EVO

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

The short answer

Thermalright Phantom Spirit 120 EVO comes out ahead by a clear margin (4.3 vs 4.7). The gap is mostly about high-end enthusiasts seeking maximum cooling — read the strengths below before deciding.

Ranked #3 in Best Air Coolers Under $100

Noctua NH-L9i

4.3

$69

The Noctua NH-L9i chromax.black delivers excellent build quality and a stealthy all-black aesthetic for ITX and HTPC builds. PCMag's Joel Hruska praised its silent operation and compact footprint, while Tech4Gamers reviewer Awais Khan gave it 8/10 overall, noting it's ideal for casual users and smaller setups. However, reviewers consistently note it's not designed for extreme overclocking or high-TDP applications, with Tech4Gamers rating its performance at 7/10. This cooler fits best in compact systems where space and aesthetics matter more than raw cooling performance.

Strengths

— 100% RAM and PCIe clearance for compact ITX builds
— Silent operation up to 65W TDP
— Compact design suitable for small form factor systems

Watch-outs

— Not recommended for overclocking or high-power workloads
— Performance rated at 7/10 in benchmarks

$69 · Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Air Coolers Under $100

Thermalright Phantom Spirit 120 EVO

4.7

$69

The Thermalright Phantom Spirit 120 EVO earns high praise as a top-tier air cooler, with Tom's Hardware calling it a 'massacre' in performance. TechPowerUp and ChoiceCheck both highlight its seven 6mm heat pipes with AGHP technology, dual 120mm PWM fans, and exceptional cooling under load. Reviewers note its quiet operation thanks to S-FDB bearings and solid build quality. However, the cooler's 157mm height and front fan overhang may cause clearance issues in compact cases or with tall RAM modules, limiting its suitability for some builds. This cooler is ideal for enthusiasts and gamers with high-end CPUs seeking maximum performance and reliability.

Strengths

— Seven 6mm heat pipes with AGHP 4th generation technology for superior heat dissipation
— Dual 120mm PWM fans with S-FDB bearings for quiet operation and long lifespan
— Excellent cooling performance under load, with low thermal resistance

Watch-outs

— Height of 157mm may not fit in compact or SFF cases
— Front fan overhangs RAM slots, potentially causing clearance issues with tall memory modules

$69 · Check Price on Amazon Full review →

How they stack up

Noctua NH-L9i

The Noctua NH-L9i is uniquely designed for compact ITX builds, offering 100% RAM and PCIe clearance unlike the Thermalright Phantom Spirit 120 EVO and Scythe Fuma 2, but it's less effective than the Noctua NH-U12S redux and Cooler Master Hyper 212 Black Edition for high-TDP CPUs. It's more compact than the be quiet! Dark Rock Pro 5 but lacks the performance and features of the premium models.

Thermalright Phantom Spirit 120 EVO

The Thermalright Phantom Spirit 120 EVO dominates in raw cooling performance with its seven 6mm heat pipes and dual 120mm fans, outperforming the Noctua NH-U12S redux and Scythe Fuma 2 in thermal efficiency. While it's more expensive than the Deepcool AK620 and Cooler Master Hyper 212 Black Edition, it's less versatile than the be quiet! Dark Rock Pro 5 due to its height and clearance issues, and lacks the compact design of the Noctua NH-L9i.

Specs side-by-side

Spec	Noctua NH-L9i	Thermalright Phantom Spirit 120 EVO
Cooler Type	Low-profile air cooler	Air Cooler
Fan Size	1x 92mm Noctua NF-A9px1	Dual 120mm
Heat Pipes	2	7x6mm
TDP Rating	65W	250W
Noise Level	19.6 dBA	24.4 dBA
Height	37 mm	157mm
Interface	LGA 115x, AM4, AM5	PWM
Compatibility	ITX/HTPC builds	LGA1700, AM5, AM4, LGA1200, LGA115x

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