Originally
32/28 nm: Northern Islands
Then
40 nm: Northern Islands-40
Then
40 nm: Northern Islands
28 nm: Southern Islands
Northern Islands =
- 4D SPU, tessellation performance increase,
- UVD 3, HDMI 1.4/DisplayPort 1.2, Eyefinity+
- Open 3D Initiative, Open Physics Initiative (Q4 2010)
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