AMD Radeon R7 265 's Advantages
Lower TDP (150W vs 165W)
NVIDIA GeForce GTX 980 's Advantages
Released 7 months late
Boost Clock has increased by 31% (1216MHz vs 925MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 179.2GB/s)
1024 additional rendering cores