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Palit Radeon 4870 Sonic Dual Edition CrossfireX
3D Mark 06:
3DMark®06 is the worldwide standard in advanced 3D game performance benchmarking. A fundamental tool for every company in the PC industry as well as PC users and gamers, 3DMark06 uses advanced real-time 3D game workloads to measure PC performance using a suite of DirectX 9 3D graphics tests, CPU tests, and 3D feature tests. 3DMark06 tests include all new HDR/SM3.0 graphics tests, SM2.0 graphics tests, AI and physics driven single and multiple cores or processor CPU tests and a collection of comprehensive feature tests to reliably measure next generation gaming performance today.
3DMark 06 doesn't scale as well with multi GPU solutions as other things. In this benchmark we begin to see some better return on the Turbo feature, gaining us 58 more points in the single card solution. Moving on to the newest installment in the 3DMark series we will see some more interesting results.
3D Mark Vantage:
3DMark®Vantage is composed of four full-bore benchmarking tests (2 different CPU tests and 2 different GPU tests) and 6 feature tests. Four presets, a groundbreaking new feature, vastly augment the variety of PCs that can be tested with the product. Presets range from value through performance to high end cinematic rendering resolutions and features. By creating a new set of high end presets, 3DMark®Vantage is future proofed for the new multi-core CPU and Graphics Processing Unit products as well as supporting the Physics Processing Unit to expand the range of technology, testing and prevent the benchmark from being bottlenecked for its users.
The GPU results scale a lot nicer with the second card. The real benefit to the Turbo switch is when you use two of the cards in CrossfireX. I was able to raise the GPU score over 400 points with the CrossfireX setup by enabling the Turbo mode. This same solution helped raise my overall score a decent amount as well.