NVIDIA GeForce GTX 260M 's Advantages
Lower TDP (65W vs 75W)
NVIDIA GeForce GTX 860M 's Advantages
Released 4 years and 10 months late
Boost Clock1085MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (80.19GB/s vs 60.80GB/s)
528 additional rendering cores