The Ryzen 5 1400 may have higher performance in games than the locked i5-7600 and it's a more futureproof platform. For £40 more, you can also get the Ryzen 5 1600 which is a 6 core / 12 thread CPU compared to Intel's 4 core / 4 thread ones. That would most likely beat the i5.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | AMD - Ryzen 5 1400 3.2GHz Quad-Core Processor | £143.94 @ Aria PC |
| Motherboard | MSI - B350 PC MATE ATX AM4 Motherboard | £81.99 @ Ebuyer |
| Memory | Corsair - Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory | £144.00 @ Aria PC |
| Storage | Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive | £83.97 @ BT Shop |
| Storage | Toshiba - 3TB 3.5" 7200RPM Internal Hard Drive | £72.00 @ Aria PC |
| Video Card | EVGA - GeForce GTX 1080 8GB Video Card | £500.90 @ Alza |
| Case | Phanteks - Enthoo Pro M Acrylic ATX Mid Tower Case | £75.71 @ Box Limited |
| Power Supply | EVGA - SuperNOVA G2 550W 80+ Gold Certified Fully-Modular ATX Power Supply | £74.11 @ CCL Computers |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total | £1176.62 | |
| Generated by PCPartPicker 2017-09-02 22:21 BST+0100 |