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Alphacool Apex 2 Thermal Paste vs ID-Cooling Frost X45: Comparison
Alphacool Apex 2 Thermal Paste vs ID-Cooling Frost X45 thermal conductivity compared
On thermal conductivity the spread is 56%, Alphacool Apex 2 Thermal Paste 6.7 W/mK against ID-Cooling Frost X45 15.2 W/mK, so ID-Cooling Frost X45 takes it. They differ on viscosity too, 130 Pa-s on the Alphacool Apex 2 Thermal Paste versus Gray, silicone oil-based with nano particles, non-curing on the ID-Cooling Frost X45. There is a split on conductivity source as well, https://shop.alphacool.com/en/detail/index/sArticle/22025 on the Alphacool Apex 2 Thermal Paste versus https://www.idcooling.com/product/list?category_parent=69 on the ID-Cooling Frost X45. There is a split on density as well, 2.6 g/cm3 on the Alphacool Apex 2 Thermal Paste versus 2.8 g/cm3 on the ID-Cooling Frost X45.
Alphacool Apex 2 Thermal Paste vs ID-Cooling Frost X45: which one fits your build
it is the wrong buy for buyers who specifically want liquid-metal-level conductivity. The same goes for high-end CPU and GPU builds, overclocking rigs, workstations and servers wanting Alphacool's current-generation paste. It is the wrong buy for anyone needing a confirmed silicone/carbon base disclosure, which Alphacool has not published for this formula. Take the ID-Cooling Frost X45 for enthusiasts and overclockers who want flagship-adjacent numbers without paying flagship prices. Avoid it for builders who specifically want an established brand name over a value pick, TFX or Kryonaut carry more brand recognition. Our rating of the Alphacool Apex 2 Thermal Paste (6.7/10): A high-end Alphacool paste with a solid published conductivity figure, though independent review coverage is thinner than bigger paste-specialist brands. Our rating of the ID-Cooling Frost X45 (8.8/10): one of the best-performing pastes on air cooling in independent testing, though its thick consistency takes practice to spread well.
Frequently asked questions
Do the Alphacool Apex 2 Thermal Paste and ID-Cooling Frost X45 differ on max operating temperature?
Yes. Max Operating Temperature reads 130 C on the Alphacool Apex 2 Thermal Paste versus 300 C on the ID-Cooling Frost X45.
Is the Electrical Conductivity the same on the Alphacool Apex 2 Thermal Paste and ID-Cooling Frost X45?
It is. Both are listed at Insulating, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Alphacool Apex 2 Thermal Paste
- Alphacool
- ID-Cooling Frost X45
- ID-Cooling
Model
- Alphacool Apex 2 Thermal Paste
- Alphacool Apex 2
- ID-Cooling Frost X45
- Frost X45
Thermal Conductivity
- Alphacool Apex 2 Thermal Paste
- 6.7 W/mK-56%
- ID-Cooling Frost X45
- 15.2 W/mKBest
Electrical Conductivity
- Alphacool Apex 2 Thermal Paste
- Insulating
- ID-Cooling Frost X45
- Insulating
Package Size
- Alphacool Apex 2 Thermal Paste
- 2g syringe
- ID-Cooling Frost X45
- 2g or 4g syringe
Recommended Use
- Alphacool Apex 2 Thermal Paste
- High-end CPU/GPU (developed with Halnziye for CPUs, GPU hotspots, overclocking systems, workstations and servers)
- ID-Cooling Frost X45
- High-end CPU/GPU
Conductivity Source
- Alphacool Apex 2 Thermal Paste
- https://shop.alphacool.com/en/detail/index/sArticle/22025
- ID-Cooling Frost X45
- https://www.idcooling.com/product/list?category_parent=69
Viscosity
- Alphacool Apex 2 Thermal Paste
- 130 Pa-s
- ID-Cooling Frost X45
- Gray, silicone oil-based with nano particles, non-curing
Min Operating Temperature
- Alphacool Apex 2 Thermal Paste
- -20 C
- ID-Cooling Frost X45
- -50 CBest
Max Operating Temperature
- Alphacool Apex 2 Thermal Paste
- 130 CBest
- ID-Cooling Frost X45
- 300 C
Density
- Alphacool Apex 2 Thermal Paste
- 2.6 g/cm3
- ID-Cooling Frost X45
- 2.8 g/cm3
Paste Segment
- Alphacool Apex 2 Thermal Paste
- Standard Paste
- ID-Cooling Frost X45
- Standard Paste
Operating Temperature
- Alphacool Apex 2 Thermal Paste
- -20 to +130 °C
- ID-Cooling Frost X45
- -50C to 300CBest
Which one should you pick?
Choose Alphacool Apex 2 Thermal Paste if you already have it on hand or find it at a lower price.
Choose ID-Cooling Frost X45 if you want the higher thermal conductivity (15.2 W/mK vs 6.7 W/mK).
Price comparison
| Retailer | Alphacool Apex 2 Thermal Paste | ID-Cooling Frost X45 |
|---|---|---|
| Alphacool Shop (EU) | View on Alphacool Shop (EU) | |
| Amazon | View on Amazon |
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 Apex 2 Thermal Paste
6.7 / 10 Expert Rating
A high-end Alphacool paste with a solid published conductivity figure, though independent review coverage is thinner than bigger paste-specialist brands.
ID-Cooling Frost X45
8.8 / 10 Expert Rating
One of the best-performing pastes on air cooling in independent testing, though its thick consistency takes practice to spread well.