AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 115W)
NVIDIA GeForce GTX 1070 Max Q 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 41% (1379MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 174.7GB/s)
1024 additional rendering cores