NVIDIA GeForce MX450 25W 's Advantages
Released 6 years and 5 months late
Larger VRAM bandwidth (80.00GB/s vs 16.02GB/s)
512 additional rendering cores
Lower TDP (25W vs 33W)
NVIDIA GeForce 840A 's Advantages
Boost Clock has increased by 21% (1124MHz vs 930MHz)