Intels Xeon Phi barely equals AMDs VLIW Radeons

Intel logoIntels work on the Larabee project and succeeding Xeon Phi accelerator cards has cost the company billions of dollars and lasted for almost a decade. Now, the architecture is finally ready to fight for a place on the GPU compute market.

During this years Hot Chips conference in Cupertino, California, the worlds largest semiconductor company shared the final details on the Xeon Phi cards and it seems the it achieved a lot for a first-generation product.

On the other hand, not all is rosy for Intel and its Xeon Phi project.

Intels problem is best described by its own slides during the presentation, as the company is actually now comparing its new and very advanced architecture with last years technology from AMD and Nvidia and still cant show any impressive results.

It is widely known that AMDs VLIW architecture was quite handicapped when it came to GPU compute work and Nvidias 2090 accelerators, while being considerably better, were launched a year ago.

Even so, these are the only examples Intel has found in the famous Top500 list of supercomputers that could allow it to present its new Xeon Phi cards in an acceptable light.

Intels Xeon Phi barely equals AMDs VLIW Radeons

Intels performance per watt improvement measures just 0.7% when compared with a server using VLIW AMD cards and 9% when compared with a server using Nvidias Tesla 2090 cards.

Were quite surprised AMD has the better solution when it comes to GPU compute and performance per watt, especially because were talking about a VLIW design but, overall, Intels Xeon Phi is quite disappointing.

Despite the company having a much better manufacturing technology, as the Xeon Phi chips are made using 22nm transistors and the worlds best software optimization and compiler support, the results are only comparable with AMDs and Nvidias last years tech.

Source: Softpedia

Tags: CPUs, GPU, Intel

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