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Alphacool Apex Thermal Pad Soft 18W/mK vs Thermal Grizzly KryoSheet: Comparison

What is the difference between Alphacool Apex Thermal Pad Soft 18W/mK and Thermal Grizzly KryoSheet?

They are built to different briefs, and compound type shows it, Alphacool Apex Thermal Pad Soft 18W/mK Silicone-Based Pad against Thermal Grizzly KryoSheet Graphene Pad. There is a split on electrical conductivity as well, Insulating on the Alphacool Apex Thermal Pad Soft 18W/mK versus Conductive on the Thermal Grizzly KryoSheet.

Who each one is for

Take the Alphacool Apex Thermal Pad Soft 18W/mK for high-end CPU/GPU, VRM/MOSFET, and memory-module cooling wanting the highest independently-measured W/mK figure among this catalog's pads. It also earns its place with builds needing a documented electrical safety spec sheet (volume resistance, dielectric breakdown) rather than a generic non-conductive claim. Avoid it for buyers who specifically want Eisschicht's softer, more paste-like conforming fit for delicate uneven surfaces. Buy the Thermal Grizzly KryoSheet for High-TDP GPU dies and high-end CPUs where every degree counts and builders already comfortable handling conductive thermal interfaces. It is not the one for mainstream builds where a standard paste already keeps temps in check. Our rating of the Alphacool Apex Thermal Pad Soft 18W/mK (6.8/10): A soft, high-conductivity pad aimed at high-end builds, though it lacks the independent review base of the paste side of Alphacool's lineup. Our rating of the Thermal Grizzly KryoSheet (7.7/10): A reusable graphene pad with strong published conductivity, well suited to repeated remounts without reapplying paste.

Where the two are identical

Everything else lines up. Paste segment read the same on both, so those are not worth weighing.

Alphacool Apex Thermal Pad Soft 18W/mK (Silicone-Based Pad/Non-Conductive/High-end CPU/GPU)
Alphacool
Alphacool Apex Thermal Pad Soft 18W/mK
Thermal Grizzly KryoSheet (Graphene Pad/Conductive/Reusable/)
Thermal Grizzly
Thermal Grizzly KryoSheet

Specs and benchmarks

  • Brand

    Alphacool Apex Thermal Pad Soft 18W/mK
    Alphacool
    Thermal Grizzly KryoSheet
    Thermal Grizzly

  • Compound Type

    Alphacool Apex Thermal Pad Soft 18W/mK
    Silicone-Based Pad
    Thermal Grizzly KryoSheet
    Graphene Pad

  • Model

    Alphacool Apex Thermal Pad Soft 18W/mK
    Alphacool Apex Thermal Pad Soft 18W/mK
    Thermal Grizzly KryoSheet
    Thermal Grizzly KryoSheet , KryoSheet

  • Electrical Conductivity

    Alphacool Apex Thermal Pad Soft 18W/mK
    Insulating
    Thermal Grizzly KryoSheet
    Conductive

  • Package Size

    Alphacool Apex Thermal Pad Soft 18W/mK
    120 x 20 x 1.5mm sheet
    Thermal Grizzly KryoSheet
    24x12mm to 50x50mm sheets, 0.2mm thick

  • Recommended Use

    Alphacool Apex Thermal Pad Soft 18W/mK
    High-end CPU/GPU
    Thermal Grizzly KryoSheet
    High-end CPU/GPU (high-wattage GPUs especially)

  • Paste Segment

    Alphacool Apex Thermal Pad Soft 18W/mK
    Pad
    Thermal Grizzly KryoSheet
    Pad

    Which one should you pick?

    Choose Alphacool Apex Thermal Pad Soft 18W/mK if you already have it on hand or find it at a lower price.

    Choose Thermal Grizzly KryoSheet if you already have it on hand or find it at a lower price.

    Price comparison

    RetailerAlphacool Apex Thermal Pad Soft 18W/mKThermal Grizzly KryoSheet
    Alphacool Shop (EU)View on Alphacool Shop (EU)
    AmazonView 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 Thermal Pad Soft 18W/mK

    6.8 / 10 Expert Rating

    A soft, high-conductivity pad aimed at high-end builds, though it lacks the independent review base of the paste side of Alphacool's lineup.

    Thermal Grizzly KryoSheet

    7.7 / 10 Expert Rating

    A reusable graphene pad with strong published conductivity, well suited to repeated remounts without reapplying paste.

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