Half-Life 2 is so light on modern hardware that an SA build for it comes down to your wider gaming plans, with the original running flawlessly on even an entry system.
Quick Answer
Half-Life 2 runs above 200 fps at 1080p on any current PC, so a R8,000 Ryzen 5 5600G build covers it easily. Choose a bigger build only for the ray-traced HL2 RTX remaster or to play modern AAA titles alongside.
Why Half-Life 2 Is Effortless
The Source engine from 2004 is negligible for any modern processor. Integrated graphics on a Ryzen 5 5600G run HL2 well past 200 fps at 1080p, with no dedicated GPU needed. The only demanding version is HL2 RTX, whose ray tracing requires an RTX 4060 or higher.
The SA Build To Choose
For HL2 and similar classics, an R8,000-R10,000 Ryzen 5 5600G build with 16GB DDR4 and a 500GB NVMe SSD is plenty. To run HL2 RTX or current AAA games, a R20,000 Ryzen 5 7600 with an RTX 4060 handles everything at 1080p-1440p Ultra. Buy for your whole library.
FPS And Resolution
Original HL2 clears 200-plus fps at 1080p, 1440p and 4K on any modern build. HL2 RTX with full ray tracing needs an RTX 4060 for 60 fps at 1080p. Outside of that remaster, no current hardware is meaningfully stressed by the game. For storage, even the original Half-Life 2 benefits from an NVMe SSD for near-instant chapter loading, and the same drive keeps any Source-engine mods you add, like the popular fan campaigns, loading quickly between maps.
FAQ
Can a cheap PC run Half-Life 2?
Yes. A R8,000 Ryzen 5 5600G build runs the original above 200 fps at 1080p, so even the most affordable current system handles it with ease.
What hardware does HL2 RTX need?
An RTX 4060 for 60 fps at 1080p and an RTX 4070 for 1440p, since its ray tracing is far heavier than the original game.
Should I build around Half-Life 2?
No. Size the build to your wider library, since HL2 itself runs on anything. Spend extra only for HL2 RTX or modern AAA titles.
Run the original HL2 on any current build, and if you want HL2 RTX, choose at least a Ryzen 5 7600 with an RTX 4060 for ray tracing at 1080p.