AMD Radeon R9 270 1024SP 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)
256 additional rendering cores
AMD Ryzen Z1 Extreme GPU 's Advantages
Released 8 years and 3 months late
Boost Clock has increased by 192% (2700MHz vs 925MHz)
More VRAM (16GB vs 2GB)
Lower TDP (30W vs 150W)