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Arctic MX-4 vs Gelid GC-2: Comparison

Arctic MX-4 and Gelid GC-2 separate most on thermal conductivity: Arctic MX-4 at 8.5 W/mK, Gelid GC-2 at 3.9 W/mK, 54% in favour of Arctic MX-4. They match on electrical conductivity and paste segment.

Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
ArcticArctic MX-4
Gelid GC-2 (Metal Oxide/Ceramic/Non-Conductive/Largely Phased-Out Mid-Tier)
GelidGelid GC-2

Specs

Specification
Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
Arctic MX-4
Gelid GC-2 (Metal Oxide/Ceramic/Non-Conductive/Largely Phased-Out Mid-Tier)
Gelid GC-2
Compound TypeCarbon-BasedMetal Oxide/Ceramic
BrandArcticGelid
ModelArctic MX-4 , MX-4Gelid GC-2
Thermal Conductivity8.5 W/mK3.9 W/mK-54%
Electrical ConductivityInsulatingInsulating
Package Size4g / 8g / 20g / 45g tubes3.5g/7g syringe
Recommended UseMainstream CPU/GPU (builds on a tight budget)Mainstream CPU/GPU
Reapplication IntervalUp to 8 yearsNot consistently published
Safety NotesNoneLargely discontinued at retail; verify stock freshness
Pump-Out ResistanceMediumHigh
Paste SegmentStandard PasteStandard Paste

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