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Arctic MX-4 vs Deepcool DS9: Comparison

Arctic MX-4 and Deepcool DS9 separate most on thermal conductivity: Arctic MX-4 at 8.5 W/mK, Deepcool DS9 at 6.5 W/mK, 24% 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
Deepcool DS9 (Non-Conductive/6.5 W/mK/Elite-Grade Paste)
DeepcoolDeepcool DS9

Specs

Specification
Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
Arctic MX-4
Deepcool DS9 (Non-Conductive/6.5 W/mK/Elite-Grade Paste)
Deepcool DS9
Thermal Conductivity8.5 W/mK6.5 W/mK-24%
Electrical ConductivityInsulatingInsulating
Package Size4g / 8g / 20g / 45g tubes5 g grease weight (28 g net weight incl. applicator)
Recommended UseMainstream CPU/GPU (builds on a tight budget)High-end CPU/GPU (Deepcool's own 4-of-5-star "Specialist" performance grade)
Paste SegmentStandard PasteStandard Paste

More comparisons in Thermal Paste