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Arctic MX-5 vs Gelid GC-2: Comparison

Arctic MX-5 and Gelid GC-2 separate most on thermal conductivity: Arctic MX-5 at 8.5 W/mK, Gelid GC-2 at 3.9 W/mK, 54% in favour of Arctic MX-5. They match on electrical conductivity, reapplication interval and paste segment.

Arctic MX-5 (Carbon-Based/Non-Conductive/Reformulated Low-Viscosity Successor to MX-4)
ArcticArctic MX-5
Gelid GC-2 (Metal Oxide/Ceramic/Non-Conductive/Largely Phased-Out Mid-Tier)
GelidGelid GC-2

Specs

Specification
Arctic MX-5 (Carbon-Based/Non-Conductive/Reformulated Low-Viscosity Successor to MX-4)
Arctic MX-5
Gelid GC-2 (Metal Oxide/Ceramic/Non-Conductive/Largely Phased-Out Mid-Tier)
Gelid GC-2
Compound TypeCarbon-BasedMetal Oxide/Ceramic
BrandArcticGelid
ModelArctic MX-5Gelid GC-2
Thermal Conductivity8.5 W/mK3.9 W/mK-54%
Electrical ConductivityInsulatingInsulating
Package Size2g, 4g, 8g, 20g3.5g/7g syringe
Recommended UseCPU/GPU/Console CoolersMainstream CPU/GPU
Reapplication IntervalNot consistently publishedNot consistently published
Safety NotesNoneLargely discontinued at retail; verify stock freshness
Paste SegmentStandard PasteStandard Paste

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