ATI Radeon HD 4890 's Advantages
Lower TDP (190W vs 230W)
AMD Radeon Pro V340 's Advantages
Released 9 years and 4 months late
Boost Clock1500MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (483.8GB/s vs 124.8GB/s)
2784 additional rendering cores