GTX 480M(DX11 + PhyX) is 40% faster than ATI Mobility 5870 ? (no PhyX)

[milkcafe]

GTX 480M(DX11+PhyX) is 40% faster than ATI Mobility 5870?(no PhyX)

http://www.nvidia.com/object/product...x-480m-us.html

352 CUDA cores
Core 425Mhz (600MHz overclocking easily?)
Shader 850Mhz (1200MHz overclocking easily?)
256bit 2400Mhz GDDR5

source:
http://www.terransforce.com/TFBBS/showtopic-218.aspx

TerransForce X8100 laptop:
Hex core Intel i7-980X
Intel X58 Mainboard
Geforce GTX 480M SLI (with 2GB 256bit 4800MHz GDDR5)
12GB DDR3-1333
18.4' LED
640GB SSD x 3 Raid 0