ATI Radeon HD 4870 and HD 4850 GPUs were released 15 years ago - VideoCardz.com
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ATI Radeon HD 4670 Specs | TechPowerUp GPU Database
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ATI Radeon HD 3870 X2: 2 GPUs 1 Card, A Return to the High End
Radeon HD 5450 1GB GDDR3 (DVI-I, HDMI, VGA) – VisionTek.com
ATI Radeon HD 4850 Specs | TechPowerUp GPU Database
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