AMD Radeon 540X Mobile 's Advantages
Released 7 years and 1 months late
Boost Clock1095MHz
More VRAM (2GB vs 1024GB)
32 additional rendering cores
AMD Radeon HD 7670A 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 32.00GB/s)
Lower TDP (45W vs 50W)