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Alphacool Silver Grease Thermal Paste vs PrimoChill Ultra Extreme XR-m Thermal Pad: Comparison
Alphacool Silver Grease Thermal Paste vs PrimoChill Ultra Extreme XR-m Thermal Pad pump-out resistance compared
The first real difference is pump-out resistance: Alphacool Silver Grease Thermal Paste Low against PrimoChill Ultra Extreme XR-m Thermal Pad High. They differ on recommended use too, Mainstream CPU/GPU; marketed by Alphacool as an affordable entry-level... on the Alphacool Silver Grease Thermal Paste versus GPU VRM/MOSFET Cooling, Case-Mod Builds on the PrimoChill Ultra Extreme XR-m Thermal Pad. There is a split on paste segment as well, Standard Paste on the Alphacool Silver Grease Thermal Paste versus Pad on the PrimoChill Ultra Extreme XR-m Thermal Pad.
Alphacool Silver Grease Thermal Paste vs PrimoChill Ultra Extreme XR-m Thermal Pad: which one fits your build
it is not the pick for buyers who need a large syringe for multiple full-size applications. The same goes for budget builds and spare-parts stock where a cheap, reliable paste is enough. It is not the one for high-end overclocking or delidded setups wanting a documented high W/mK figure. it is the wrong buy for standard CPU IHS-to-cooler applications where a conventional paste is simpler. It is equally the pick for GPU VRM/MOSFET cooling and case-mod builds needing a cuttable, shapeable thermal pad. It is the wrong buy for anyone needing a spreadable liquid compound rather than a solid cut-to-size sheet. Our rating of the Alphacool Silver Grease Thermal Paste (5.6/10): A basic silicone-based grease from Alphacool, mainstream tier. Our rating of the PrimoChill Ultra Extreme XR-m Thermal Pad (6.9/10): A cuttable high-conductivity sheet aimed at GPU VRM and case-mod cooling, from a brand known for water-cooling components.
Where the two are identical
Everything else lines up. Electrical conductivity read the same on both, so those are not worth weighing.
Specs and benchmarks
Brand
- Alphacool Silver Grease Thermal Paste
- Alphacool
- PrimoChill Ultra Extreme XR-m Thermal Pad
- PrimoChill
Model
- Alphacool Silver Grease Thermal Paste
- Alphacool Silver Grease
- PrimoChill Ultra Extreme XR-m Thermal Pad
- PrimoChill Ultra Extreme XR-m Thermal Pad
Electrical Conductivity
- Alphacool Silver Grease Thermal Paste
- Insulating
- PrimoChill Ultra Extreme XR-m Thermal Pad
- Insulating
Package Size
- Alphacool Silver Grease Thermal Paste
- 0.5g syringe
- PrimoChill Ultra Extreme XR-m Thermal Pad
- 60x50mm sheets, multiple thicknesses
Recommended Use
- Alphacool Silver Grease Thermal Paste
- Mainstream CPU/GPU; marketed by Alphacool as an affordable entry-level paste and test/spare stock
- PrimoChill Ultra Extreme XR-m Thermal Pad
- GPU VRM/MOSFET Cooling, Case-Mod Builds
Safety Notes
- Alphacool Silver Grease Thermal Paste
- RoHS compliant per manufacturer
- PrimoChill Ultra Extreme XR-m Thermal Pad
- None
Pump-Out Resistance
- Alphacool Silver Grease Thermal Paste
- Low
- PrimoChill Ultra Extreme XR-m Thermal Pad
- High
Paste Segment
- Alphacool Silver Grease Thermal Paste
- Standard Paste
- PrimoChill Ultra Extreme XR-m Thermal Pad
- Pad
Which one should you pick?
Choose Alphacool Silver Grease Thermal Paste if you already have it on hand or find it at a lower price.
Choose PrimoChill Ultra Extreme XR-m Thermal Pad if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Alphacool Silver Grease Thermal Paste | PrimoChill Ultra Extreme XR-m Thermal Pad |
|---|---|---|
| Alphacool Shop (EU) | View on Alphacool Shop (EU) |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Alphacool Silver Grease Thermal Paste
5.6 / 10 Expert Rating
A basic silicone-based grease from Alphacool, mainstream tier.
PrimoChill Ultra Extreme XR-m Thermal Pad
6.9 / 10 Expert Rating
A cuttable high-conductivity sheet aimed at GPU VRM and case-mod cooling, from a brand known for water-cooling components.




