NVIDIA GeForce GTX 750 's Advantages
Lower TDP (55W vs 165W)
NVIDIA GeForce GTX 980 's Advantages
Released 7 months late
Boost Clock has increased by 12% (1216MHz vs 1085MHz)
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 80.19GB/s)
1536 additional rendering cores