Side by side
Honeywell PTM7950 vs Thermalright Peerless Assassin 120 SE
Honeywell PTM7950
59 positive (89%) · 3 mixed (5%) · 4 negative (6%)
Trust + time weighted: +83%
AI summary — not a quote
Honeywell PTM7950 is a phase-change thermal interface material (PCM) that has gained a strong reputation on Reddit for significantly outperforming traditional thermal pastes in longevity and temperature management. Users frequently report substantial drops in both idle and load temperatures, particularly for high-heat components like laptop CPUs and GPUs. Unlike standard pastes, it does not dry out or suffer from "pump-out" effects, making it a preferred "set-and-forget" solution for long-term system stability.
Pros
- Significantly reduces GPU hotspot deltas (often by 10-15°C).
- Exceptional longevity; does not dry out or require frequent repasting.
- Ideal for direct-die applications such as laptops and GPUs.
- Easier to apply than liquid metal while providing competitive performance.
Cons
- Higher cost compared to traditional high-end thermal pastes.
- Significant risk of purchasing counterfeit versions from non-reputable sellers.
- Can be difficult to handle at room temperature (very thin and fragile).
Top excerpts
Try ptm,7950. Thermal grizzly makes an affordable kit with it, or you can get from LTT , or honeywell themselves ( though I think it's in larger quantities) Comes in sheets , easy to apply ( freeze it , after cut and appoly )
Didn't have any more ptm7950 ,so didn't want to chance messing with it .
Even with normal thermal paste you can easily go years. I use PTM7950 so it's basically the service life of that system.
For direct die contact chips like GPUs and laptop CPUs, the PTM7950 is godsend. It lowered 10C to my laptop's CPU. I can't recommend it enough...
For the PTM7950 I found it on aliexpress and it costs me around 20-25$ with shipping and tax so I don't see myself buying it tbh. I already paid a lot for the putty and the mx-6 I'm tired of paying for this card.
Thermalright Peerless Assassin 120 SE
179 positive (81%) · 28 mixed (13%) · 14 negative (6%)
Trust + time weighted: +76%
AI summary — not a quote
The Thermalright Peerless Assassin 120 SE is widely regarded by the Reddit community as a top-tier budget air cooler that offers thermal performance comparable to much more expensive All-In-One (AIO) liquid coolers. It is frequently recommended for high-end gaming CPUs due to its dual-tower design and exceptional price-to-performance ratio.
Pros
- Exceptional value, often cited around the $35 USD price point
- Thermal performance that rivals some liquid AIO coolers
- Capable of cooling high-end chips like the 9800X3D and 5800X3D without thermal throttling
- Reliable dual-tower design with included fans that users find sufficient
Cons
- Mounting hardware can be difficult to install, specifically getting the spring-loaded screws to thread simultaneously
- Large physical footprint may be 'overkill' for low-power CPUs
- Potential for high shipping costs in certain regions like Canada
Top excerpts
Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler
The difference is basically 32GB vs 64GB RAM and a $250 AIO vs a $35 air cooler.
What would you recommend over the Peerless Assassin? Everything Ive seen says its as good as some AIOs. I use it and it keeps my CPU temp very low.
Cooler: Thermalright Peerless Assassin 120 SE
"Thermalright Peerless Assassin 120 SE" is a double tower cooler that gets recommended a lot.