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Arctic MX-6 vs Noctua NT-H1: Comparison

Arctic MX-6 and Noctua NT-H1 separate most on thermal conductivity: Arctic MX-6 at 8.5 W/mK, Noctua NT-H1 at 12.8 W/mK, 34% in favour of Noctua NT-H1. They match on electrical conductivity, safety notes 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
Noctua NT-H1 (Metal-Oxide Based/Non-Conductive/Original Noctua Flagship Paste/Superseded by NT-H2)
Noctua NT-H1
Compound TypeCarbon-BasedMetal-Oxide (no metallic particles)
BrandArcticNoctua
ModelArctic MX-6 , MX-6Noctua NT-H1 , NT-H1
Thermal Conductivity8.5 W/mK-34%12.8 W/mK
Electrical ConductivityInsulatingInsulating
Package Size2g / 4g / 8g / 20g tubes3.5g / 10g tubes
Recommended UseMainstream CPU/GPU, High-end CPU/GPU (mainstream to upper-mid builds)Mainstream CPU/GPU, High-end CPU/GPU (Noctua's original flagship paste, superseded by NT-H2)
Reapplication Interval8+ yearsLong-term stable
Safety NotesNoneNone
Paste SegmentStandard PasteStandard Paste

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