Which would be the better system for gaming?

ProfMeowMeow

Commendable
Jun 15, 2016
9
0
1,510
First System:
Maximus VIII Hero
Intel Core i7 6700K, Skylake, Quad Core with Hyperthreading, 4.0GHz, 4.2GHz Turbo overclocked to 4.6GHz
Corsair Hydro H115i cooler with SP140L fans
16GB (2x8GB) Corsair DDR4 Vengeance LPX Black, 3000MHz, CAS 15-17-17-35, 1.35V
12GB NVIDIA TITAN X, 1417MHz GPU, 3584 Cores, 10010MHz GDDR5X - GeForce GTX VR Ready
750W Corsair RMi, Modular, Silent, 80PLUS Gold
500GB Samsung 850 EVO, Read 540MB/s, Write 520MB/s, 97K IOPS
2 TB Harddrive.

Second System:

SABERTOOTH X99
Intel Core i7 6800K Unlocked, Broadwelll-E, 6 Core, 3.4GHz, 3.8GHz Turbo [Extreme Overclock - CPU overclocked upto 4.2GHz
Corsair Hydro H115i cooler with SP140L fans
16GB (4x4GB) Corsair DDR4 Dominator Platinum, 3000MHz, CAS 15-17-17-35, 1.35V
12GB NVIDIA TITAN X, 1417MHz GPU, 3584 Cores, 10010MHz GDDR5X - GeForce GTX VR Ready
750W Corsair RMi, Modular, Silent, 80PLUS Gold
500GB Samsung 850 EVO, Read 540MB/s, Write 520MB/s, 97K IOPS
2 TB Harddrive

The second system is also £250 more expensive but may change the first systems mother board for a Asus Z170 DELUXE WiFi USB 3.1 Skylake ATX Motherboard

So which system would be best for gaming?