Consumercarts is reader-supported. Learn more

3M Thermally Conductive Acrylic Interface Pad 5590H vs Thermal Grizzly Hydronaut: Comparison

3M Thermally Conductive Acrylic Interface Pad 5590H and Thermal Grizzly Hydronaut separate most on thermal conductivity: 3M Thermally Conductive Acrylic Interface Pad 5590H at 3 W/mK, Thermal Grizzly Hydronaut at 7.8 W/mK, 62% in favour of Thermal Grizzly Hydronaut.

3M Thermally Conductive Acrylic Interface Pad 5590H (Acrylic Pad/Non-Conductive/3 W/mK)

3M3M Thermally Conductive Acrylic Interface Pad 5590H

Thermal Grizzly Hydronaut (Silicone/Metal-Oxide Based/Non-Conductive/7.8 W/mK/Built for Large Cooling Surfaces)

Thermal GrizzlyThermal Grizzly Hydronaut

Specs

Show Only Differences

Specification	3M Thermally Conductive Acrylic Interface Pad 5590H	Thermal Grizzly Hydronaut
Compound Type	Acrylic-Based Pad (non-silicone thermally conductive acrylic polymer)	Silicone-Based (silicone/metal-oxide)
Brand	3M	Thermal Grizzly
Model	5590H	Thermal Grizzly Hydronaut , Hydronaut
Thermal Conductivity	3 W/mK-62%	7.8 W/mK
Electrical Conductivity	Insulating	Insulating
Package Size	Die-cut shapes and rolls (e.g. 25.4 x 25.4 x 0.5mm squares, sold in packs)	3.9g / 7.8g tubes
Recommended Use	Mainstream CPU/GPU and general electronics gap filling	Mainstream CPU/GPU, High-end CPU/GPU (upper-mid builds; suited to large cooling surfaces such as PS4/PS5/Xbox)
Reapplication Interval	No reapplication needed; self-adhesive one-time application	Verify manufacturer-rated interval
Safety Notes	Non-conductive acrylic pad; no special handling precautions required	None
Paste Segment	Pad	Standard Paste

Price comparison

Retailer	3M Thermally Conductive Acrylic Interface Pad 5590H	Thermal Grizzly Hydronaut
Amazon	View on Amazon
Newark	View on Newark

Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Specs

Price comparison

More comparisons in Thermal Paste