No, in terms of performance, Nvidia GeForce GTX 980 Ti is slower than AMD Radeon RX 6600 XT. AMD Radeon RX 6600 XT outperformes Nvidia GeForce GTX 980 Ti by 67.6% in 3Dmark benchmark.
When it comes to power efficiency, GTX 980 Ti falls behind with an efficiency score that is 23, lower than that of RX 6600 XT 61. Consuming 160 watts, RX 6600 XT has 165.2% better power consumption to performance ratio. The efficiency score is calculated by comparing the benchmark score with power consumption
GTX 980 Ti price to performance rating is lower than RX 6600 XT's. RX 6600 XT offers 142.9% better value fo money.