No, in terms of performance, Nvidia GeForce GTX 1070 Ti is slower than AMD Radeon RX Vega 64. AMD Radeon RX Vega 64 outperformes Nvidia GeForce GTX 1070 Ti by 7.6% in 3Dmark benchmark.
The GTX 1070 Ti is more energy-efficient considering its performance, having power consumption of 180 watts and a 3DMark score of 6845. By comparing its benchmark score to its power consumption, we get an efficiency score of 38. RX Vega 64's efficiency score is 25 .So GTX 1070 Ti leads by 52.0%, making it the smarter choice in terms of power consumption.
GTX 1070 Ti price to performance rating is lower than RX Vega 64's. RX Vega 64 offers 36.4% better value fo money.