AMD RS880 is a chipset. This product is available from AMD. The AMD RS880 has been tested via the Phoronix Test Suite in the configurations listed below.
computetional - Tests on Ubuntu 11.10, AMD Phenom II X4 B97, Gallium 0.4 on AMD RS880, Acer RS880M05
Test - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL, Intel Xeon E31270, AMD Opteron 4274 HE, ASPEED ASPEED Family, MSI MS-91F7
Test - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL, Intel Xeon E31270
Test - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL
Test - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1
root-28881-16598-32127 - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL, Intel Xeon E31270, AMD Opteron 4274 HE, ASPEED ASPEED Family, MSI MS-91F7
root-8990-5944-20769 - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL, Intel Xeon E31270
root-21925-17497-26102 - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1, Intel Xeon E31220, Matrox MGA G200eW WPCM450, Supermicro X9SCL
root-11658-14438-9859 - Tests on Ubuntu 10.04, AMD Athlon 64 X2 4400, NVIDIA C51, FUJITSU SIEMENS D2461-C1, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1
testdisks - Tests on Ubuntu 10.04, Intel Xeon X5670, VMware SVGA II, Intel 440BX, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1
root-17233-12036-24876 - Tests on Ubuntu 10.04, AMD Opteron 4274 HE, ASPEED ASPEED Family, MSI MS-91F7, AMD Phenom II X4 910e, ATI RS880, FUJITSU D2981-A1
ptslive-21355-2824-19935 - Tests on PTS Desktop Live 2010.1, AMD Athlon II X3 440, ATI RS880, MSI 785GTM-E45
dhrystone.log - Tests on Ubuntu 10.04, AMD Athlon II X3 440, ATI RS880, MSI 785GTM-E45
sudokut_4 - Tests on Ubuntu 10.10, AMD Phenom II X4 965, ATI RS880, ASUS M4A785TD-M EVO
AMD's RS880 / 785G Gains Open-Source Acceleration: Back in March we shared that the open-source ATI driver had gained support for the unreleased ATI RS880 IGP. Well, the RS880 ended up being turned into the 785G due to some problems on AMD's side, but today this new, much more powerful IGP has launched. With that said, another commit made to the xf86-video-ati driver today finishes off the support.
ATI Linux Drivers Gain Support For Unreleased RS880: AMD's current flagship offering when it comes to integrated ATI graphics is the Radeon HD 3300 / 790GX. This IGP was introduced last fall as a minor refresh to the Radeon HD 3200 / 780G Chipset. As something new for consumers to consider, soon it looks like AMD will be introducing the RS880.