Need For Speed: Undercover, again no significant difference between the two.
The GTX260+ almost achieved what is known as "free AA",
while the HD4890 suffered a 12.6% drop in frame rate.
Moving on to the first DX10 game benchmark, FarCry2,
HD 4890 performs much better than its counterpart.
The gap maintained after switching on AA & AF.
Part 1: Introduction & Specification
Part 2: Test Setup
Part 3: 3Dmark & Call of Duty 5
Part 4: NSF:Undercover & FarCry2
Part 5: COH: Tales of Valor