Benchmarks in single-GPU mode and in Crossfire
Comparable cards and the latest Catalyst 12.11 Beta and GeForce 310.33 drivers are used. This time, we don’t test on our VGA test system, but in a closed system of the lower midrange with an Intel Core i3 2310, 8 GB RAM, 1 TB hard disk, Windows 7 Ultimate x64 and a medium-sized case. The performance boost of the new Catalyst drivers in many games is particularly interesting, so the Radeon HD 7750 can usually dominate its opponent GeForce GTX 650.
The Crossfire combination of two passive Radeon HD 7750s makes a single GeForce GTX 650 Ti look pretty old and is already a bit on the heels of the much stronger Radeon HD 7850. We dynamically set the frame rates to the previously determined average rates (DFR) in all measurements in Crossfire with Radeon Pro and measured again. The values in the diagrams thus correspond to those of a reasonably smooth playback and could have been higher in part if we had taken the values without the tool. However, these numbers are of little use in practice, because it jerks like hell.
Nevertheless, the euphoria for the Crossfire system has to be curbed a bit, because there are no or only slightly optimized Crossfire profiles for some games, and some games, like Mafia 2, don’t even allow Crossfire. AMD still has quite a large construction site to work on here.
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