AMD Radeon HD 6870 1600SP Edition 's Advantages
Lower TDP (175W vs 200W)
AMD Radeon R9 280 's Advantages
Released 1 years and 2 months late
Boost Clock933MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)
192 additional rendering cores