Gaming PC Cost Calculator
Break down your gaming PC budget across GPU, CPU, RAM, and the rest of the build.
Quick Answer
Gaming PC budget allocation: GPU 35-42%, CPU 15-20%, RAM 7-8%, Storage 8-10%, Motherboard 8-10%, PSU 5-8%, Case 5-7%, Cooling 4-6%, OS 2%. Skew toward GPU for pure gaming, toward CPU for streaming and simulation games. Don't cheap out on PSU — failed PSUs damage everything else.
Build Settings
Component Breakdown
About the Gaming PC Cost Calculator
Building a gaming PC means dividing your budget across nine major components. Get the allocation right and you have a balanced rig where no single part bottlenecks the others. Get it wrong and you waste money on a $400 CPU paired with a $200 GPU — the CPU sits idle waiting for the GPU on every frame.
The 40-20-10 Rule
For pure gaming, allocate 40% to GPU, 20% to CPU, 10% to RAM+storage. The remaining 30% covers motherboard, PSU, case, cooling, and OS. This split holds across budgets from $800 to $5000 — only the absolute dollar amounts shift.
Why GPU Dominates
Modern game engines push the GPU 3-4x harder than the CPU. A $1500 GPU paired with a $300 CPU outperforms the reverse pairing in 90%+ of games. The exceptions: heavy CPU-bound titles like Cities Skylines, Microsoft Flight Sim, and competitive shooters running at 360+ FPS where CPU draw call rate matters.
Don't Skimp on PSU
The PSU is the most-skimped component and the most catastrophic when it fails. A $40 cheap PSU can spike voltages and kill your $1500 GPU and $400 CPU in one flash. Always buy 80+ Gold or better, from reputable brands (Corsair, Seasonic, EVGA, be quiet!). Plan for at least 50% headroom over your peak system draw.
Streaming PCs Need More CPU
If you're building a single-PC streaming rig, shift 5-7% from GPU to CPU. Software encoding (x264) on the CPU produces noticeably better quality than hardware encoders (NVENC) at the same bitrate, and that requires CPU cycles. Pair this with our Streaming Bandwidth Calculator for upload requirements and the Stream Revenue Calculator for income projections.
Generation Timing
The single biggest savings opportunity: buy the previous GPU generation right after a new launch. RTX 4080 prices crashed when RTX 5080 dropped. Same with Ryzen 7000 when 9000 launched. The 6-12 month window post-launch is the sweet spot for value if you can wait.
Pair With Other Gaming Tools
Use our Gaming FPS Target Calculator to figure out what frame rate your build needs to hit, the VRAM Requirements Calculator for GPU memory sizing, and the existing Gaming FPS Estimator for benchmark-based projections.
Frequently Asked Questions
How should I split my gaming PC budget?
Should I prioritize GPU or CPU for gaming?
What's a reasonable budget for 1080p, 1440p, and 4K?
How much RAM do I need?
Can I save money by buying used parts?
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