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Alphacool Apex 2 Thermal Paste vs CS Labs (Computer Systems, Greece) CS Labs K5-Pro: Comparison
Alphacool Apex 2 Thermal Paste vs CS Labs (Computer Systems, Greece) CS: 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 CS Labs (Computer Systems, Greece) CS >5.3 W/mK. There is a split on recommended use as well, High-end CPU/GPU on the Alphacool Apex 2 Thermal Paste versus Thermal pad replacement for GPU VRAM/MOSFETs and laptop hot... on the CS Labs (Computer Systems, Greece) CS. Conductivity source is not the same on both, https://shop.alphacool.com/en/detail/index/sArticle/22025 on the Alphacool Apex 2 Thermal Paste versus https://computer-systems.gr/products/k5-pro-20g/ on the CS Labs (Computer Systems, Greece) CS.
Alphacool Apex 2 Thermal Paste vs CS Labs (Computer Systems, Greece) CS: which one fits your build
it is the wrong buy for buyers who specifically want liquid-metal-level conductivity. It is equally the pick for 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. Buy the CS Labs (Computer Systems, Greece) CS for GPU VRAM/MOSFET thermal pad replacement and laptop thin-GPU repairs, though it is not built for CPU IHS-to-cooler mounting and gaps thicker than a few millimeters. 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 CS Labs (Computer Systems, Greece) CS (5.7/10): A viscous putty-style pad replacement, a niche option for gap-filling rather than a typical CPU paste.
Frequently asked questions
Do the Alphacool Apex 2 Thermal Paste and CS Labs (Computer Systems, Greece) CS differ on max operating temperature?
Yes. Max Operating Temperature reads 130 C on the Alphacool Apex 2 Thermal Paste versus 250 C on the CS Labs (Computer Systems, Greece) CS.
Is the Electrical Conductivity the same on the Alphacool Apex 2 Thermal Paste and CS Labs (Computer Systems, Greece) CS?
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
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- CS Labs
Model
- Alphacool Apex 2 Thermal Paste
- Alphacool Apex 2
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- K5-PRO
Thermal Conductivity
- Alphacool Apex 2 Thermal Paste
- 6.7 W/mKBest
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- >5.3 W/mK
Electrical Conductivity
- Alphacool Apex 2 Thermal Paste
- Insulating
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- Insulating
Package Size
- Alphacool Apex 2 Thermal Paste
- 2g syringe
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- 20g jar; also sold as 3x10g twist-up tubes and in bulk up to 400g
Recommended Use
- Alphacool Apex 2 Thermal Paste
- High-end CPU/GPU (developed with Halnziye for CPUs, GPU hotspots, overclocking systems, workstations and servers)
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- Thermal pad replacement for GPU VRAM/MOSFETs and laptop hot spots, not a CPU IHS-to-cooler paste
Conductivity Source
- Alphacool Apex 2 Thermal Paste
- https://shop.alphacool.com/en/detail/index/sArticle/22025
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- https://computer-systems.gr/products/k5-pro-20g/
Min Operating Temperature
- Alphacool Apex 2 Thermal Paste
- -20 C
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- -90 CBest
Max Operating Temperature
- Alphacool Apex 2 Thermal Paste
- 130 CBest
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- 250 C
Paste Segment
- Alphacool Apex 2 Thermal Paste
- Standard Paste
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- Standard Paste
Operating Temperature
- Alphacool Apex 2 Thermal Paste
- -20 to +130 °C
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- -90 to 250 CBest
Which one should you pick?
Choose Alphacool Apex 2 Thermal Paste if you want the higher thermal conductivity (6.7 W/mK vs >5.3 W/mK).
Choose CS Labs (Computer Systems, Greece) CS Labs K5-Pro if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Alphacool Apex 2 Thermal Paste | CS Labs (Computer Systems, Greece) CS Labs K5-Pro |
|---|---|---|
| Alphacool Shop (EU) | View on Alphacool Shop (EU) | |
| CS Labs / Computer Systems (Manufacturer) | View on CS Labs / Computer Systems (Manufacturer) | |
| Amazon | View on Amazon | |
| Newegg | View on Newegg |
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.
CS Labs (Computer Systems, Greece) CS Labs K5-Pro
5.7 / 10 Expert Rating
A viscous putty-style pad replacement, a niche option for gap-filling rather than a typical CPU paste.
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