NVIDIA GeForce GTX 670 's Advantages
Lower TDP (170W vs 275W)
NVIDIA L20 's Advantages
Released 11 years and 6 months late
Boost Clock has increased by 157% (2520MHz vs 980MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (864.0GB/s vs 192.3GB/s)
10432 additional rendering cores