All SpecsCalc Tools

PC Part Compatibility Checker

Check socket, RAM, GPU clearance, cooler, PSU and power connectors.

Auto PC Builder

Budget-to-parts list, balanced and well-balanced, $500–$2000+.

Bottleneck Estimator

Honest CPU/GPU balance by resolution, game type and upscaling.

PSU Wattage Calculator

Recommended power-supply size with a transient-safe buffer.

LLM VRAM Calculator

Will a local AI model fit your GPU? Weights + KV cache + overhead.

SFF GPU Clearance Checker

Does that GPU fit your small case? Length, thickness, height, bend.

RAM Latency Calculator

True latency in ns — compare DDR4 and DDR5 kits fairly.

FPS & Frame-time Calculator

Convert FPS to ms and see which refresh rates you saturate.

Valorant ↔ CS2 Sensitivity

Carry the exact same aim between Valorant and CS2.

What PSU for Each GPU

The exact power supply your specific graphics card needs.

Does Your GPU Fit SFF?

Small-case compatibility for any popular graphics card.

Best PC for Your Game

Recommended build for 20+ popular games, by workload.

Build by Resolution

The right build for 1080p, 1440p, 4K or a tight budget.

Is Your CPU Good for Gaming?

Gaming verdict and the ideal GPU pairing for popular CPUs.

GPU vs GPU Compare

Head-to-head: performance, VRAM, power and which to buy.

PC Parts Buying Guides

How to pick a PSU, RAM, SSD and cooler — by build tier.

Is Your GPU Good for 4K?

Per-card verdict for 1080p, 1440p and 4K gaming.

CPU vs CPU Compare

Head-to-head gaming verdict for popular processors.

Build Cost Calculator

The true total cost: tower + Windows, monitor and peripherals.

CPU + GPU Bottleneck

Popular pairings rated balanced or bottlenecked.