Nvidia's GeForce GTX 1070 Ti is probably the final graphics card released on the 18-month old "Pascal" architecture. Just like the GTX 1080, it is based on the GP104 silicon, with a negligibly reduced shader count, but paired with slower GDDR5 memory instead of GDDR5X. The memory change makes sense as GDDR5X seems to be available in limited quantities only and NVIDIA surely wants to sell more cards. GTX 1070 performance is beat by AMD's Vega offerings, though, which is why they came up with the GTX 1070 Ti.
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