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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 | ![]() | ![]() |
|---|---|---|
| Compound Type | Carbon-Based | Metal-Oxide (no metallic particles) |
| Brand | Arctic | Noctua |
| Model | Arctic MX-6 , MX-6 | Noctua NT-H1 , NT-H1 |
| Thermal Conductivity | 8.5 W/mK-34% | 12.8 W/mK |
| Electrical Conductivity | Insulating | Insulating |
| Package Size | 2g / 4g / 8g / 20g tubes | 3.5g / 10g tubes |
| Recommended Use | Mainstream 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CPU/GPU (mainstream to upper-mid builds) | Mainstream CPU/GPU, High-end CPU/GPU (Noctua's original flagship paste, superseded by NT-H2) |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 Interval | 8+ years | Long-term stable |
| Safety Notes | None | None |
| Paste Segment | Standard Paste | Standard Paste |




