MSI RX1800XT-VT2D512E
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For our next set of performance metrics, we spent a little time overclocking the MSI RX1800XT-VT2D512E to see what kind of clock speed headroom it had left in the tank. Prior to the conclusion of our benchmarking, we overclocked the MSI RX1800XT-VT2D512E using the clock frequency slider available within ATI's Catalyst drivers, on the "Overdrive" tab. We've seen some Radeon X1800 XT cards clocked much higher than ATI's reference specifications, and because the MSI RX1800XT-VT2D512E has the updated VRM, we were expecting some good results.
MSI RX1800XT-VT2D512E "Stock" = 625MHz Core / 750MHz Memory
MSI RX1800XT-VT2D512E "Overclocked" = 696MHz Core / 794MHz Memory
MSI RX1800XT-VT2D512E "Stock" = 625MHz Core / 750MHz Memory
MSI RX1800XT-VT2D512E "Overclocked" = 696MHz Core / 794MHz Memory
When all was said and done, we were able to take our MSI RX1800XT-VT2D512E up from its default clock speeds of 625MHz (core) and 1.5GHz (memory) to 696MHz / 1.588GHz, increases of 71MHz and 44MHz (88MHz DDR), respectively. Not too bad.
While we had the card overclocked, we re-ran the default 3DMark06 and hi-res F.E.A.R. benchmarks to see what kind performance we gained by jacking up the card's clock speeds. Performance in 3DMark06 jumped by a couple of hundred points, and the card's framerate in the F.E.A.R. benchmark went from 39 FPS to 42 FPS, an increase of 3 frames per second, or 7.7%.
