With limited choices of low-end PCI-Express cards in the market, the Radeon X550 is a much better alternative than integrated graphics or Radeon X300. Priced between the X300 and X600, the X550 has same number of pixel pipelines and vertex shaders. The Sapphire Radeon X550 equipped with 256MB DDR2 BGA memory running at 128-bit, which can be easily overclocked to beat the X600Pro. With 15% overclocking for the GPU and 50% for the memory, the X550 score 20-40% higher in our benchmark.



Link: HardwareZoom