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ATI Radeon R700(HD 4500)(5 models)

Model

VRAM

Boost Clock

TDP

Architecture

Released

Process

Row Actions

0.5 GB600 MHz25W

0.5 GB

600 MHz

25W

TeraScale

2009

55 nm

0.25 GB600 MHz25W

0.25 GB

600 MHz

25W

TeraScale

2008

55 nm

1 GB650 MHz25W

1 GB

650 MHz

25W

TeraScale

2008

55 nm

Radeon HD 4570 Rebrand

1 GB796 MHz65W

Radeon HD 4570 Rebrand

1 GB

796 MHz

65W

TeraScale

2009

55 nm

0.5 GB796 MHz65W

0.5 GB

796 MHz

65W

TeraScale

2011

55 nm