Consumercarts

Consumercarts is reader-supported. Learn more

Alphacool Apex 2 Thermal Paste vs StarTech.com StarTech SILV5-THERMAL-PASTE: Comparison

Alphacool Apex 2 Thermal Paste vs StarTech.com StarTech SILV5-THERMAL-PASTE: the thermal conductivity difference

There is no decisive spec gap here. Thermal conductivity splits them by a margin most buyers will never feel, Alphacool Apex 2 Thermal Paste 6.7 W/mK against StarTech.com StarTech SILV5-THERMAL-PASTE 3.195 W/mK at 25C. They differ on recommended use too, High-end CPU/GPU on the Alphacool Apex 2 Thermal Paste versus Mainstream CPU/GPU on the StarTech.com StarTech SILV5-THERMAL-PASTE. 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.startech.com/en-us/computer-parts/silv5-thermal-paste on the StarTech.com StarTech SILV5-THERMAL-PASTE.

Which should you buy, Alphacool Apex 2 Thermal Paste or StarTech.com StarTech SILV5-THERMAL-PASTE?

it is not the pick for buyers who specifically want liquid-metal-level conductivity. It also earns its place with high-end CPU and GPU builds, overclocking rigs, workstations and servers wanting Alphacool's current-generation paste. It is not the one for anyone needing a confirmed silicone/carbon base disclosure, which Alphacool has not published for this formula. The StarTech.com StarTech SILV5-THERMAL-PASTE suits IT technicians servicing multiple workstations and mainstream desktop CPU/GPU re-pasting, though it is the wrong buy for high-end overclocking or delidded direct-die use and single-application home users (single syringe SILVGREASE1 is more economical). 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 StarTech.com StarTech SILV5-THERMAL-PASTE (5.6/10): A five-pack of re-sealable syringes built for IT technicians managing several machines, not a performance-focused pick.

Where the two are identical

Everything else lines up. Electrical conductivity and paste segment read the same on both, so those are not worth weighing.

Frequently asked questions

Do the Alphacool Apex 2 Thermal Paste and StarTech.com StarTech SILV5-THERMAL-PASTE differ on max operating temperature?

Yes. Max Operating Temperature reads 130 C on the Alphacool Apex 2 Thermal Paste versus 180 C on the StarTech.com StarTech SILV5-THERMAL-PASTE.

Specs and benchmarks

  • Brand

    Alphacool Apex 2 Thermal Paste
    Alphacool
    StarTech.com StarTech SILV5-THERMAL-PASTE
    StarTech.com
  • Model

    Alphacool Apex 2 Thermal Paste
    Alphacool Apex 2
    StarTech.com StarTech SILV5-THERMAL-PASTE
    SILV5-THERMAL-PASTE
  • Thermal Conductivity

    Alphacool Apex 2 Thermal Paste
    6.7 W/mKBest
    StarTech.com StarTech SILV5-THERMAL-PASTE
    3.195 W/mK at 25C
  • Electrical Conductivity

    Alphacool Apex 2 Thermal Paste
    Insulating
    StarTech.com StarTech SILV5-THERMAL-PASTE
    Insulating
  • Package Size

    Alphacool Apex 2 Thermal Paste
    2g syringe
    StarTech.com StarTech SILV5-THERMAL-PASTE
    5 x 1.5g re-sealable syringes (7.5g total)
  • Recommended Use

    Alphacool Apex 2 Thermal Paste
    High-end CPU/GPU (developed with Halnziye for CPUs, GPU hotspots, overclocking systems, workstations and servers)
    StarTech.com StarTech SILV5-THERMAL-PASTE
    Mainstream CPU/GPU (best suited for CPUs with TDP up to 65W)
  • Safety Notes

    Alphacool Apex 2 Thermal Paste
    Causes serious eye irritation; toxic to aquatic life with long-lasting effects. Wear protective gloves and eye protection and wash hands thoroughly after use.
    StarTech.com StarTech SILV5-THERMAL-PASTE
    CE and RoHS certified
  • Conductivity Source

    Alphacool Apex 2 Thermal Paste
    https://shop.alphacool.com/en/detail/index/sArticle/22025
    StarTech.com StarTech SILV5-THERMAL-PASTE
    https://www.startech.com/en-us/computer-parts/silv5-thermal-paste
  • Min Operating Temperature

    Alphacool Apex 2 Thermal Paste
    -20 C
    StarTech.com StarTech SILV5-THERMAL-PASTE
    -30 CBest
  • Max Operating Temperature

    Alphacool Apex 2 Thermal Paste
    130 CBest
    StarTech.com StarTech SILV5-THERMAL-PASTE
    180 C
  • Paste Segment

    Alphacool Apex 2 Thermal Paste
    Standard Paste
    StarTech.com StarTech SILV5-THERMAL-PASTE
    Standard Paste
  • Operating Temperature

    Alphacool Apex 2 Thermal Paste
    -20 to +130 °C
    StarTech.com StarTech SILV5-THERMAL-PASTE
    -30°C to 180°C (-22°F to 356°F)Best

    Which one should you pick?

    Choose Alphacool Apex 2 Thermal Paste if you want the higher thermal conductivity (6.7 W/mK vs 3.195 W/mK at 25C).

    Choose StarTech.com StarTech SILV5-THERMAL-PASTE if you already have it on hand or find it at a lower price.

    Price comparison

    RetailerAlphacool Apex 2 Thermal PasteStarTech.com StarTech SILV5-THERMAL-PASTE
    Alphacool Shop (EU)View on Alphacool Shop (EU)
    StarTech.comView on StarTech.com

    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.

    StarTech.com StarTech SILV5-THERMAL-PASTE

    5.6 / 10 Expert Rating

    A five-pack of re-sealable syringes built for IT technicians managing several machines, not a performance-focused pick.

    More comparisons in Thermal Paste