PC requirements

Tomb Raider: Underworld System Requirements

Tomb Raider: Underworld needs at least Intel Pentium 4 3+GHz or AMD Athlon 2.5+GHz and 1GB (Windows XP) / 2GB (Windows Vista) system memory of RAM. For the recommended experience you want Intel Core 2 Duo 2.2 GHz or Athlon 64 X2 4400+ and 2 GB system memory of RAM.

Verified Sources: Steam store listing
Tomb Raider: Underworld minimum and recommended PC specifications
Component Minimum Recommended
Processor Intel Pentium 4 3+GHz or AMD Athlon 2.5+GHz Intel Core 2 Duo 2.2 GHz or Athlon 64 X2 4400+
Memory 1GB (Windows XP) / 2GB (Windows Vista) system memory 2 GB system memory
Additional notes Direct X 9.0c compatible sound card and drivers Direct X 9.0c compatible sound card and drivers
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Tomb Raider: Underworld is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Tomb Raider: Underworld on PC

Can my PC run Tomb Raider: Underworld?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Tomb Raider: Underworld need?
Storage requirements are not published for this title yet.
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.