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Arctic MX-4 vs Thermal Grizzly Carbonaut: Comparison

Arctic MX-4 and Thermal Grizzly Carbonaut separate most on thermal conductivity: Arctic MX-4 at 8.5 W/mK, Thermal Grizzly Carbonaut at 62.5 W/mK, 86% in favour of Thermal Grizzly Carbonaut.

Specs

Specification
Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
Arctic MX-4
Thermal Grizzly Carbonaut (Carbon Pad/Conductive/Reusable/Commonly Cited ~62.5 W/mK)
Thermal Grizzly Carbonaut
Compound TypeCarbon-BasedCarbon Pad
BrandArcticThermal Grizzly
ModelArctic MX-4 , MX-4Thermal Grizzly Carbonaut , Carbonaut
Thermal Conductivity8.5 W/mK-86%62.5 W/mK
Electrical ConductivityInsulatingConductive
Package Size4g / 8g / 20g / 45g tubes31x25x0.2mm / 32x32x0.2mm / 38x38x0.2mm sheets
Recommended UseMainstream CPU/GPU (builds on a tight budget)High-end CPU/GPU (also consoles and frequent cooler remounts)
Reapplication IntervalUp to 8 yearsReusable across multiple mounts
Safety NotesNoneElectrically conductive; keep clear of exposed board components and do not overhang the die edge
Pump-Out ResistanceMediumHigh
Paste SegmentStandard PastePad

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