AMD Radeon R9 255 OEM 's Advantages
Lower TDP (65W vs 230W)
AMD Radeon Pro V320 's Advantages
Released 3 years and 6 months late
Boost Clock has increased by 61% (1500MHz vs 930MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 73.60GB/s)
3072 additional rendering cores