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AMD Southern Islands(HD 7700)(5 models)

Model

VRAM

Boost Clock

TDP

Architecture

Released

Process

Compare

Radeon HD 7720 OEM

1 GB840 MHz150W

Radeon HD 7720 OEM

1 GB

840 MHz

150W

TeraScale 2

2013

40 nm

1 GB800 MHz47W

1 GB

800 MHz

47W

GCN 1.0

2013

28 nm

1 GB800 MHz55W

1 GB

800 MHz

55W

GCN 1.0

2012

28 nm

Radeon HD 7770 GHz Edition

1 GB1,000 MHz80W

Radeon HD 7770 GHz Edition

1 GB

1,000 MHz

80W

GCN 1.0

2012

28 nm

1 GB1,000 MHz85W

1 GB

1,000 MHz

85W

GCN 2.0

2013

28 nm