NVIDIA GeForce GTX TITAN Z 's Advantages
Boost Clock has increased by 12% (876MHz vs 780MHz)
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (336.0GB/s vs 64.00GB/s)
2496 additional rendering cores
AMD Radeon R7 340 OEM 's Advantages
Released 1 years late
Lower TDP (50W vs 375W)