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Corsair H100x vs Thermalright Assassin X 120: Comparison
Corsair H100x vs Thermalright Assassin X 120: the height difference
On height the spread is 474%, Corsair H100x 27 mm against Thermalright Assassin X 120 155 mm, so Corsair H100x takes it. Tdp rating runs the same way, 200 W on the Corsair H100x versus 180 W on the Thermalright Assassin X 120, another win for Corsair H100x. Noise level is closer, 27 dBA on the Corsair H100x versus 25 dBA on the Thermalright Assassin X 120. Add fan count to that, 2 on the Corsair H100x versus 1 on the Thermalright Assassin X 120, and the pattern holds. Cooler type is not the same on both, AIO Liquid on the Corsair H100x versus Air on the Thermalright Assassin X 120.
Who each one is for
The Corsair H100x is the one to take for builders who don't want RGB software ecosystems and mainstream 240mm-radiator cases, though it is not the pick for RGB-themed showcase builds and users already invested in iCUE or CAM ecosystems. The Thermalright Assassin X 120 suits extreme-budget builds and locked mainstream Ryzen/Core CPUs, though it is the wrong buy for overclocked or unlocked CPUs and RGB-focused builds. Our rating of the Corsair H100x (7.6/10): A dependable, uncomplicated 240mm AIO for builders who just want liquid cooling without the software layer. Our rating of the Thermalright Assassin X 120 (7.5/10): exceptional price-to-performance for a locked mainstream build.
Where the two are identical
Everything else lines up. Socket compatibility and rgb lighting read the same on both, so those are not worth weighing.
Specs and benchmarks
Brand
- Corsair H100x
- Corsair
- Thermalright Assassin X 120
- Thermalright
Cooler Type
- Corsair H100x
- AIO Liquid
- Thermalright Assassin X 120
- Air
Series
- Corsair H100x
- Corsair H100x
- Thermalright Assassin X 120
- Thermalright Assassin X 120
Model Number
- Corsair H100x
- CW-9060065-WW
- Thermalright Assassin X 120
- Assassin X 120 SE
Height
- Corsair H100x
- 27 mmBest
- Thermalright Assassin X 120
- 155 mm-474%
Socket Compatibility
- Corsair H100x
- AMD AM4/AM5, Intel LGA1700/1200
- Thermalright Assassin X 120
- AMD AM4/AM5, Intel LGA1700/1200
Fan Count
- Corsair H100x
- 2Best
- Thermalright Assassin X 120
- 1-50%
TDP Rating
- Corsair H100x
- 200 WBest
- Thermalright Assassin X 120
- 180 W-10%
Noise Level
- Corsair H100x
- 27 dBA
- Thermalright Assassin X 120
- 25 dBABest
RGB Lighting
- Corsair H100x
- No
- Thermalright Assassin X 120
- No
Which one should you pick?
Choose Corsair H100x if you want the lower height (27 mm vs 155 mm), the higher fan count (2 vs 1) and the higher TDP rating (200 W vs 180 W).
Choose Thermalright Assassin X 120 if you want the lower noise level (25 dBA vs 27 dBA).
Price comparison
| Retailer | Corsair H100x | Thermalright Assassin X 120 |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Corsair H100x
7.6 / 10 Expert Rating
A dependable, uncomplicated 240mm AIO for builders who just want liquid cooling without the software layer.
Thermalright Assassin X 120
7.5 / 10 Expert Rating
Exceptional price-to-performance for a locked mainstream build.




