Those people may be disappointed with the RX Vega 64, as Nvidia's leading $700 graphics card still remains in a league of its own, but it does largely live up to AMD's claim that it's competitive with the $550 GeForce GTX 1080. Some people were hoping that AMD's leading Vega GPU would outperform the GeForce GTX 1080 Ti. As you’ll see from our benchmarks below, however, teraflop count doesn't tell the whole story. The RX Vega 64 is a 12.7 teraflop card, which trumps Nvidia’s equivalent GPU by 3.8 teraflops. For reference, the GTX 1080's GDDDR5X VRAM is capped at 320GB/s. This allows the card to deliver up to 483.8GB/s of memory bandwidth. It's clocked at 945MHz, but what makes it really efficient is its really wide 2048-bit memory bus. HBM2 is a new type of "3D" VRAM, which means it's memory that's densely stacked vertically.
It uses 8GB of second-generation high-bandwidth memory (HBM2) for video RAM. These are some of AMD's highest clock speeds to date, and the company says the card is tuned for high frequencies and should be able to boost higher than those numbers if it gets adequate power and cooling. In terms of core and boost clocks, it's clocked at 1274MHz and 1546MHz, respectively. Like AMD's RX 480 and RX 580 Polaris GPUs before it, Vega graphics cards are based on a 14nm FinFet production process.
The RX Vega 64 partially gets its name from the fact that it has 64 compute units. should only be used as a frame of reference against other cards within the same family for an apples-to-apples comparison.
Note: Specs like stream processors, CUDA cores, and core clocks, etc.
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