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Thermalright Peerless Assassin 120 SE — Air tower
Thermalright

Thermalright Peerless Assassin 120 SE

Air tower

92
/ 100
From $35
VS
Noctua NH-D15 G2 · RGB wins by 3
Noctua NH-D15 G2 · RGB — Air tower
Noctua

Noctua NH-D15 G2 · RGB

Air tower

95
/ 100
From $149
Specdex verdict

Noctua NH-D15 G2 · RGB takes it — here’s why.

In our weighted Specdex score, Thermalright Peerless Assassin 120 SE lands at 92 and Noctua NH-D15 G2 · RGB at 95. That puts Noctua NH-D15 G2 · RGB ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Thermalright Peerless Assassin 120 SE if…

  • ✓Multi-socket bracket support
  • ✓Quiet fans at idle
  • ✓Strong TDP rating

Pick Noctua NH-D15 G2 · RGB if…

  • ✓Multi-socket bracket support
  • ✓Quiet fans at idle
  • ✓Strong TDP rating
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Thermals

Noctua NH-D15 G2 · RGB

Compared on the thermals sub-score

Noctua NH-D15 G2 · RGB leads on thermals (95 vs 92).

Noise

Noctua NH-D15 G2 · RGB

Compared on the noise sub-score

Noctua NH-D15 G2 · RGB leads on noise (91 vs 88).

Install

Tie

Compared on the install sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Thermalright Peerless Assassin 120 SE

Specdex score per dollar at MSRP

Thermalright Peerless Assassin 120 SE more score per dollar ($35 vs $149).

Thermalright Peerless Assassin 120 SE 92
vs
95 Noctua NH-D15 G2 · RGB

Score breakdown

Thermalright Peerless Assassin 120 SE
92
thermals 92
noise 88
install 88
value 86
Noctua NH-D15 G2 · RGB
95
thermals 95
noise 91
install 88
value 86

Specs side-by-side

Thermalright Peerless Assassin 120 SE versus Noctua NH-D15 G2 · RGB — full spec comparison
Spec Thermalright Peerless Assassin 120 SE Noctua NH-D15 G2 · RGB
Type
Air tower
Air tower

Thermalright Peerless Assassin 120 SE

Pros
  • +Multi-socket bracket support
  • +Quiet fans at idle
  • +Strong TDP rating
Cons
  • −Height may conflict with RAM heatspreaders
  • −AIO pump noise varies
  • −Installation requires motherboard-off

Noctua NH-D15 G2 · RGB

Pros
  • +Multi-socket bracket support
  • +Quiet fans at idle
  • +Strong TDP rating
Cons
  • −Height may conflict with RAM heatspreaders
  • −AIO pump noise varies
  • −Installation requires motherboard-off

FAQ: Thermalright Peerless Assassin 120 SE vs Noctua NH-D15 G2 · RGB

Which is better, Thermalright Peerless Assassin 120 SE or Noctua NH-D15 G2 · RGB? +

Noctua NH-D15 G2 · RGB scores 95 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Thermalright Peerless Assassin 120 SE worth the price? +

At $35, Thermalright Peerless Assassin 120 SE delivers a Specdex score of 92 — strongest in thermals.

Is Noctua NH-D15 G2 · RGB worth the price? +

At $149, Noctua NH-D15 G2 · RGB delivers a Specdex score of 95 — strongest in thermals.

Does Thermalright Peerless Assassin 120 SE or Noctua NH-D15 G2 · RGB last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for thermals, Thermalright Peerless Assassin 120 SE or Noctua NH-D15 G2 · RGB? +

Noctua NH-D15 G2 · RGB — leads on thermals (95 vs 92). Compared on the thermals sub-score.

Which is better for noise, Thermalright Peerless Assassin 120 SE or Noctua NH-D15 G2 · RGB? +

Noctua NH-D15 G2 · RGB — leads on noise (91 vs 88). Compared on the noise sub-score.