RX 640 reports that Smart Access Memory is enabled but Radeon Software won't let me enable it : r/pcmasterrace
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AMD quietly launches Radeon 600 Series graphics cards
AMD Might Be Releasing A Radeon RX 640 Graphics Card Ahead Of Navi | HotHardware
AMD Radeon RX 640 OEM Specs | TechPowerUp GPU Database
AMD Radeon RX 640 ? what AMD ? - YouTube
🎮 AMD Radeon RX 640 - The Witcher 3 gameplay benchmarks (1080p) - YouTube
AMD Radeon RX 640 4GB PCI-E GPU Graphics Card | Dell Y77T6
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Amd Radeon RX 640 4Gb ddr5 Low Profile... - ITMAX Enterprises | Facebook
Malaysia Dell AMD Radeon RX 640 GDDR5 4GB 490-BGFO Video card
Some Sapphire Radeon RX 550 models now include 640 SPs - Graphics - News - HEXUS.net
The "Found an SFF RX 640 4GB for ~USD50 Build" | Best budget gaming build at this time - Build Logs - Linus Tech Tips
AMD Polaris als RX 640: Offenbar Neuauflage für OEMs
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AMD Radeon RX 550 640SP Specs | TechPowerUp GPU Database
AMD Radeon RX 640 OEM Specs | TechPowerUp GPU Database
AMD has rebadged their budget GPUs again, now called 600-series | TechSpot Forums
AMD Radeon RX 640, Radeon RX 630 Spotted in Driver Update Code | Technology News
AMD Radeon RX 640 Mobile Specs | TechPowerUp GPU Database
AMD Radeon RX 640 appeared in driver | PC Builder's Club
