We really want to like the new X2. In many ways, especially the memory buffers and multi-monitor support, the HD 4870 is a dual-GPU done right. And when it does work properly, it gets immensely fast results. But the harsh truth is that as long as multi-GPU technology relies on driver profiles, it will be a flaky, hit-and-miss affair. And one that we can’t in all conscience recommend that you buy. Two graphics chips. One card. And a whole lotta rendering fun: That’s the basic philosophy behind the ATI Radeon HD 4870 X2, AMD’s latest dual-CPU 3D card. Actually, that’s the philosophy AMD has adopted for high-end graphics in general. No longer intending to duke it out with NVIDIA at the very top of the market, instead of producing one monstrous GPU, AMD’s plan is to slap NVIDIA silly with two slightly more compact GPUs crammed onto a single card. NVIDIA kicked off the modern day version of the twin-chip trend with GeForce 7950 GX2. That board worked fairly well at first. But then NVIDIA launched a whole new graphics architecture and, quite frankly, its driver team stopped caring about the 7950 GX2. And drivers are absolutely crucial when it… Read full this story
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