AMD Radeon RX 550 640SP 's Advantages
Released 5 years and 2 months late
Boost Clock1071MHz
Lower TDP (60W vs 500W)
AMD Radeon HD 7970 X2 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 96.00GB/s)
1408 additional rendering cores