Half-Life 2 is a 2004 classic that runs on almost any hardware, so an SA build guide for it is really about choosing a system that handles HL2 effortlessly while leaving room for what else you play.
Quick Answer
Half-Life 2 runs at 200-plus fps at 1080p on any modern PC, including the cheapest R8,000 APU build. Spend more only if you also want current AAA titles; for HL2 alone, a Ryzen 5 5600G system is far beyond what the game needs.
What Half-Life 2 Actually Demands
The 2004 Source engine is trivially light by modern standards. A Ryzen 5 5600G's integrated graphics push HL2 past 200 fps at 1080p, and even 4K is no challenge. The remastered Half-Life 2 RTX project is the exception, since its ray tracing needs an RTX 4060 or stronger to run well.
Right-Sizing Your SA Build
For HL2 and light gaming, an R8,000-R10,000 Ryzen 5 5600G build is ample. If you want HL2 RTX with ray tracing, or modern AAA games alongside, a R20,000 Ryzen 5 7600 with an RTX 4060 runs everything at 1080p-1440p Ultra. Match the build to your wider library, not to HL2.
FPS Targets
Original HL2 clears 200-plus fps at 1080p, 1440p and even 4K on any current build. The HL2 RTX remaster with full ray tracing needs an RTX 4060 for 60 fps at 1080p and an RTX 4070 for 1440p. Standard HL2 needs nothing special.
FAQ
What PC do I need for Half-Life 2?
Almost any modern PC. A R8,000 Ryzen 5 5600G build runs the original past 200 fps at 1080p, so no dedicated GPU is required for standard HL2.
Does Half-Life 2 RTX need a strong GPU?
Yes. The ray-traced remaster needs an RTX 4060 for 60 fps at 1080p and an RTX 4070 for 1440p, unlike the trivially light original.
Will a bigger budget improve Half-Life 2?
Not the original, which is already capped by its age. Spend more only for HL2 RTX or to run modern AAA games alongside it.
-Life 2 needs nothing special, but if you want the ray-traced HL2 RTX remaster, build around at least an RTX 4060 for 60 fps at 1080p.
