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Akasa AK-455 vs Honeywell PTM7950: Comparison

Akasa AK-455 and Honeywell PTM7950 separate most on thermal conductivity: Akasa AK-455 at 2.4 W/mK, Honeywell PTM7950 at 8.5 W/mK, 72% in favour of Honeywell PTM7950.

Akasa AK-455 (Metal Oxide/Ceramic/Non-Conductive/2.4 W/mK/OEM-Popular Budget Compound)
AkasaAkasa AK-455
Honeywell PTM7950 (Phase-Change Pad/Non-Conductive/Reapplication-Free for Repeated Thermal Cycles)
HoneywellHoneywell PTM7950

Specs

Specification
Akasa AK-455 (Metal Oxide/Ceramic/Non-Conductive/2.4 W/mK/OEM-Popular Budget Compound)
Akasa AK-455
Honeywell PTM7950 (Phase-Change Pad/Non-Conductive/Reapplication-Free for Repeated Thermal Cycles)
Honeywell PTM7950
Compound TypeMetal Oxide/CeramicPhase-Change Pad
BrandAkasaHoneywell
ModelAkasa AK-455Honeywell PTM7950 , PTM7950
Thermal Conductivity2.4 W/mK-72%8.5 W/mK
Electrical ConductivityInsulatingInsulating
Package Size1.5g and 5g syringesSheet/pad cut to size (sold by area, not weight)
Recommended UseCPU/GPU General CoolingLaptop-Thin-GPU (and builds needing reapplication-free long-term use)
Reapplication IntervalLong shelf stability before application; no in-use interval publishedRated for repeated thermal cycles without reapplication (~2+ years)
Safety NotesNoneSolid at room temperature; softens at operating temperature; different application method than paste
Paste SegmentStandard PastePad

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