NVIDIA Quadro FX 4600 SDI 's Advantages
Lower TDP (154W vs 320W)
NVIDIA Quadro Plex 1000 Model IV 's Advantages
Released 1 years and 4 months late
More VRAM (1536GB vs 768GB)
Larger VRAM bandwidth (76.80GB/s vs 67.20GB/s)
32 additional rendering cores