Radeon Pro 400 - AMD announced a line of graphics accelerators
Before Apple introduced the new models of laptop MacBook Pro 15-inch versions have got the graphics cards of AMD Radeon Pro 400 based on the architecture of Polaris. Curiously, the press release from the "red" chip maker, revealing the technical specifications of graphics cards was published some time after the presentation of copertina.
Part of a series AMD Radeon Pro 400 came in three models: Pro 450, AMD Radeon, AMD Radeon Pro 455 and 460 AMD Radeon Pro, which is primarily focused on the creators of graphic content designers, retouchers, animators, etc. All they are based on 14-nm process technology with the use of microarchitecture AMD Polaris. Moreover, the production used a special Die Thinning technology to reduce thickness of each layer of silicon part of the GPU from 780 to 380 microns. The result has been to reduce the total thickness of graphics processors, the TDP figures of which do not exceed 35 watts!
As for the technical characteristics of new products, they are not particularly disclosed. It is known that in the GPU model AMD Radeon Pro 450 uses stream processors 640 (10 compute units) and a peak computational power of the adapter reaches 1 TFLOPS. AMD Radeon Pro 455 offers 768 stream processors (12 compute units) and performance of 1.3 TFLOPS. In turn, AMD Radeon Pro 460 can boast 1024 stream processors (16 compute units) and a peak computational capacity of 1.86 TFLOPS. The VRAM is not specified, but the bandwidth in all three cases is 80 GB/s. I would suggest that we are talking about GDDR5 memory with a 128-bit bus and the effective frequency 5000 MHz.It also gives reason to make some assumptions about the performance and energy efficiency of the future revision of the AMD chips RX475,RX485.
Just a 15-inch MacBook Pro has three choices of cards:
450 AMD Radeon 2 GB
455 AMD Radeon 2 GB (Packed with a more powerful core i7 processor)
AMD Radeon 460 4 GB (top of laptop)
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| Gaming | Upload TimePublished on 3 Nov 2016 |
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