AMD Radeon R9 280X 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 105.8GB/s)
1280 additional rendering cores
NVIDIA GeForce GTX 950 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 19% (1188MHz vs 1000MHz)
Lower TDP (90W vs 250W)