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Arctic MX-6 vs Arctic Silver 5: Comparison

Arctic MX-6 and Arctic Silver 5 separate most on thermal conductivity: Arctic MX-6 at 8.5 W/mK, Arctic Silver 5 at 8.9 W/mK, 4% in favour of Arctic Silver 5. They match on electrical conductivity and paste segment.

Specs

Specification
Arctic MX-6 (Carbon-Based/8.5 W/mK/Non-Conductive/Best Overall Value/8+ Year Longevity)
Arctic MX-6
Arctic Silver 5 (Metal-Based/Non-Conductive/8.9 W/mK/200-Hour Cure Period)
Arctic Silver 5
Compound TypeCarbon-BasedMetal-Based
BrandArcticArctic Silver
ModelArctic MX-6 , MX-6Arctic Silver 5
Thermal Conductivity8.5 W/mK-4%8.9 W/mK
Electrical ConductivityInsulatingInsulating
Package Size2g / 4g / 8g / 20g tubes3.5g syringe (also 12g)
Recommended UseMainstream CPU/GPU, High-end CPU/GPU (mainstream to upper-mid builds)Mainstream CPU/GPU, High-end CPU/GPU
Reapplication Interval8+ yearsPeriodic reapplication recommended due to curing/drying behavior
Safety NotesNoneRequires ~200-hour burn-in period to reach rated performance
Pump-Out ResistanceHighMedium
CuringNon-CuringBurn-In Required
Paste SegmentStandard PasteStandard Paste
Spec Score6.86.0

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