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All video cards based on ATi RV770 GPU

ManufacturerNameGPU clockROPsTMUsPS / VS | Unified ShadersRAM sizeRAM typeRAM clockBus widthTDP Year
Asus Radeon HD 4830 575 MHz 16 32 - / - | 640 512 MB GDDR3 1800 MHz 256 bit 95 W 2008
Asus Radeon HD 4870 1GB 750 MHz 16 40 - / - | 800 1024 MB GDDR5 3600 MHz 256 bit 150 W 2008
Asus Radeon HD 4870 512MB 750 MHz 16 40 - / - | 800 1024 MB GDDR5 3600 MHz 256 bit 150 W 2008
Sapphire Radeon HD 4850 625 MHz 16 40 - / - | 800 512 MB GDDR3 2000 MHz 256 bit 110 W 2008