AMD Radeon RX 640 and Radeon 630 spotted in the drivers - VideoCardz.com
AMD Radeon RX 640 and Radeon 630 spotted in the drivers - VideoCardz.com
AMD Might Be Releasing A Radeon RX 640 Graphics Card Ahead Of Navi | HotHardware
AMD Radeon RX 640 Mobile Specs | TechPowerUp GPU Database
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