The Sapphire Radeon RX 460 Dual-X disassembly by PCOnline.com.cn. Revealing first up close look at the Polaris 11 chip, which is tiny compared to Polaris 10. We also see the 128-bit wide GDDR5 memory chips from the SK Hynix.
Sapphire uses a custom PCB on this card which is slightly longer than standard RX 460. Also, Sapphire’s Dual-X cooling solution the cooler is solid aluminum, and the card is powered by the PCI-Express 3.0 x16 slot but runs at x8 host interface electrical pins with <75W TDP requirements. The card relies on the PCI-Express slot for all its power draw and no external power needed.