NVIDIA GeForce 840A 's Advantages
Released 3 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 1024GB)
288 additional rendering cores
NVIDIA GeForce GT 525M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)
Lower TDP (23W vs 33W)