AMD Radeon HD 6850 's Advantages
Lower TDP (127W vs 150W)
AMD Radeon R9 370 1024SP 's Advantages
Released 4 years and 8 months late
Boost Clock975MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 128.0GB/s)
64 additional rendering cores