NVIDIA GeForce GTX 880M 's Advantages
More VRAM (8GB vs 6GB)
NVIDIA GeForce RTX 2060 Mobile 's Advantages
Released 4 years and 10 months late
Boost Clock has increased by 21% (1200MHz vs 993MHz)
Larger VRAM bandwidth (336.0GB/s vs 160.0GB/s)
384 additional rendering cores
Lower TDP (115W vs 122W)