AMD Radeon Pro V340 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 42% (1500MHz vs 1058MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 192.3GB/s)
2048 additional rendering cores
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Lower TDP (195W vs 230W)