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Akasa AK-450 Silver Compound 450 vs Fujipoly SARCON GR-Pm Silicone Putty Sheet: Comparison
Akasa AK-450 Silver Compound 450 vs Fujipoly SARCON GR-Pm Silicone Putty Sheet thermal conductivity compared
These two are close on paper, and thermal conductivity is the only measure that separates them at all: Akasa AK-450 Silver Compound 450 9.24 W/mK against Fujipoly SARCON GR-Pm Silicone Putty Sheet 4.5 W/mK. They differ on recommended use too, Mainstream CPU/GPU on the Akasa AK-450 Silver Compound 450 versus Mainstream CPU/GPU and uneven-surface gap filling on the Fujipoly SARCON GR-Pm Silicone Putty Sheet. There is a split on conductivity source as well, 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://www.fujipoly.eu/sarcon-products/sarcon-gr-pm on the Fujipoly SARCON GR-Pm Silicone Putty Sheet. Paste segment is not the same on both, Standard Paste on the Akasa AK-450 Silver Compound 450 versus Pad on the Fujipoly SARCON GR-Pm Silicone Putty Sheet.
Which should you buy, Akasa AK-450 Silver Compound 450 or Fujipoly SARCON GR-Pm Silicone Putty Sheet?
The Akasa AK-450 Silver Compound 450 is the one to take for mainstream CPU repastes under air or AIO coolers and Akasa AK-455 owners wanting a higher-rated Akasa compound, though it is not the pick for sub-zero or chiller cooling, since Akasa rates it from 0C and buyers who need published electrical safety data. The Fujipoly SARCON GR-Pm Silicone Putty Sheet suits uneven-height component gap filling and VRM and memory cooling, though it is the wrong buy for precision flat CPU/GPU die contact requiring maximum W/mK. 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 Fujipoly SARCON GR-Pm Silicone Putty Sheet (6.7/10): A conformal silicone putty sheet suited to irregular gaps, from an established industrial thermal brand.
Specs and benchmarks
Brand
- Akasa AK-450 Silver Compound 450
- Akasa
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- Fujipoly
Model
- Akasa AK-450 Silver Compound 450
- AK-450-5G
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- SARCON GR-Pm
Thermal Conductivity
- Akasa AK-450 Silver Compound 450
- 9.24 W/mKBest
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- 4.5 W/mK (Hot Disk)
Package Size
- Akasa AK-450 Silver Compound 450
- 5g syringe
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- Sheet form, cut to size, multiple thicknesses
Recommended Use
- Akasa AK-450 Silver Compound 450
- Mainstream CPU/GPU (formulated for CPU/heatsink interfaces)
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- Mainstream CPU/GPU and uneven-surface gap filling
Conductivity Source
- Akasa AK-450 Silver Compound 450
- https://www.akasa.co.uk/update.php?tpl=product/product.detail.tpl&model=AK-450-5G
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- https://www.fujipoly.eu/sarcon-products/sarcon-gr-pm
Paste Segment
- Akasa AK-450 Silver Compound 450
- Standard Paste
- Fujipoly SARCON GR-Pm Silicone Putty Sheet
- Pad
Which one should you pick?
Choose Akasa AK-450 Silver Compound 450 if you want the higher thermal conductivity (9.24 W/mK vs 4.5 W/mK (Hot Disk)).
Choose Fujipoly SARCON GR-Pm Silicone Putty Sheet if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Akasa AK-450 Silver Compound 450 | Fujipoly SARCON GR-Pm Silicone Putty Sheet |
|---|---|---|
| Akasa | View on Akasa | |
| Amazon UK | View on Amazon UK | |
| Fujipoly Europe | View on Fujipoly Europe |
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.
Fujipoly SARCON GR-Pm Silicone Putty Sheet
6.7 / 10 Expert Rating
A conformal silicone putty sheet suited to irregular gaps, from an established industrial thermal brand.




