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Akasa AK-450 Silver Compound 450 vs CS Labs (Computer Systems, Greece) CS Labs K5-Pro: Comparison
Akasa AK-450 Silver Compound 450 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, Akasa AK-450 Silver Compound 450 9.24 W/mK against CS Labs (Computer Systems, Greece) CS >5.3 W/mK. There is a split on recommended use as well, Mainstream CPU/GPU on the Akasa AK-450 Silver Compound 450 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://www.akasa.co.uk/update.php?tpl=product/product.detail.tpl&model=AK-450-5G on the Akasa AK-450 Silver Compound 450 versus https://computer-systems.gr/products/k5-pro-20g/ on the CS Labs (Computer Systems, Greece) CS.
Which should you buy, Akasa AK-450 Silver Compound 450 or CS Labs (Computer Systems, Greece) CS?
Buy the Akasa AK-450 Silver Compound 450 for mainstream CPU repastes under air or AIO coolers and Akasa AK-455 owners wanting a higher-rated Akasa compound, though it is the wrong buy for sub-zero or chiller cooling, since Akasa rates it from 0C and buyers who need published electrical safety data. The CS Labs (Computer Systems, Greece) CS suits GPU VRAM/MOSFET thermal pad replacement and laptop thin-GPU repairs, though it is not the pick for CPU IHS-to-cooler mounting and gaps thicker than a few millimeters. Our rating of the Akasa AK-450 Silver Compound 450 (6/10): A silver-based compound with a solid published conductivity figure and a bundled spreader, reasonable for the price. 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 Akasa AK-450 Silver Compound 450 and CS Labs (Computer Systems, Greece) CS differ on max operating temperature?
Yes. Max Operating Temperature reads 200 C on the Akasa AK-450 Silver Compound 450 versus 250 C on the CS Labs (Computer Systems, Greece) CS.
Is the Paste Segment the same on the Akasa AK-450 Silver Compound 450 and CS Labs (Computer Systems, Greece) CS?
It is. Both are listed at Standard Paste, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Akasa AK-450 Silver Compound 450
- Akasa
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- CS Labs
Model
- Akasa AK-450 Silver Compound 450
- AK-450-5G
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- K5-PRO
Thermal Conductivity
- Akasa AK-450 Silver Compound 450
- 9.24 W/mKBest
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- >5.3 W/mK
Material Class
- Akasa AK-450 Silver Compound 450
- Silver-based thermal compound
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- Silicone-Based gummy putty (liquid thermal pad substitute)
Package Size
- Akasa AK-450 Silver Compound 450
- 5g 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
- Akasa AK-450 Silver Compound 450
- Mainstream CPU/GPU (formulated for CPU/heatsink interfaces)
- 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
- Akasa AK-450 Silver Compound 450
- https://www.akasa.co.uk/update.php?tpl=product/product.detail.tpl&model=AK-450-5G
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- https://computer-systems.gr/products/k5-pro-20g/
Min Operating Temperature
- Akasa AK-450 Silver Compound 450
- 0 C
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- -90 CBest
Max Operating Temperature
- Akasa AK-450 Silver Compound 450
- 200 CBest
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- 250 C
Paste Segment
- Akasa AK-450 Silver Compound 450
- Standard Paste
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- Standard Paste
Operating Temperature
- Akasa AK-450 Silver Compound 450
- 0°C to 200°C
- CS Labs (Computer Systems, Greece) CS Labs K5-Pro
- -90 to 250 CBest
Which one should you pick?
Choose Akasa AK-450 Silver Compound 450 if you want the higher thermal conductivity (9.24 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 | Akasa AK-450 Silver Compound 450 | CS Labs (Computer Systems, Greece) CS Labs K5-Pro |
|---|---|---|
| Akasa | View on Akasa | |
| Amazon UK | View on Amazon UK | |
| 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
Akasa AK-450 Silver Compound 450
6 / 10 Expert Rating
A silver-based compound with a solid published conductivity figure and a bundled spreader, reasonable for the price.
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.