Doom (2016) system requirements
Here's the current best estimate for what id Software will be aiming for. Obviously this is subject to change.
Minimum:
OS: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
Processor: Intel Core i5-2400 or better / AMD FX-8320 or better
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 670 (2GB) or better / AMD Radeon HD 7870 (2GB) or better
DirectX: Version 11
Network: Broadband Internet connection
Storage: 22 GB available space
Additional Notes: Open GL 4.5. Latest Graphics Drivers.
Recommended:
OS: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
Processor: Intel Core i7-3770 or better / AMD FX-8350 or better
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 970 (4GB) or better / AMD Radeon R9 290 (4GB) or better
DirectX: Version 11
Network: Broadband Internet connection
Storage: 22 GB available space
Additional Notes: Open GL 4.5. Latest Graphics Drivers.
1 comment

Well that's not bad for a game that is supposed to have better graphics than Rage!