PC performance toolkit

Standalone calculators that reuse the same hardware scores as our bottleneck calculator — each with its own URL, methodology notes, and FAQ. Use them to plan FPS targets, PSU headroom, tier placement, and upgrade order before you buy.

Free tools in this toolkit

Every card below links to a focused tool. Scores come from the same PassMark-cross-referenced database that powers the homepage PC bottleneck calculator. Results are for upgrade planning — always verify with on-PC monitoring (MSI Afterburner + RivaTuner) when you need a live diagnosis.

FPS Calculator

Estimate FPS for a CPU + GPU pairing

PSU Calculator

Recommended PSU wattage with headroom

GPU Tier List

S–E GPU hierarchy with vendor & VRAM filters

CPU Tier List

S–E CPU hierarchy with vendor & socket filters

Upgrade Advisor

CPU vs GPU: what to upgrade first

How this toolkit fits together

A balanced build starts with knowing whether the CPU or GPU is the limiter at your resolution. The bottleneck calculator answers that with a percentage and upgrade tabs. The FPS calculator estimates frame-rate bands for a pairing. The PSU calculator sizes wattage with headroom so a GPU upgrade does not brown-out the system. CPU and GPU tier lists rank parts by the same internal scores so you can compare “one step up” without mixing review methodologies. The upgrade advisor turns a bottleneck-aware pairing into concrete CPU or GPU picks.

At 1080p the CPU usually matters more; at 4K the GPU dominates. That is why the main calculator reweights CPU/GPU by resolution (60/40 at 1080p, 40/60 at 1440p, 20/80 at 4K). Use the toolkit in that order: balance → FPS goal → power → tier shortlist → buy.

Published validation MAE

On our Afterburner validation set (three correctly configured builds × three games at 1440p Ultra), MAE is 6.2 percentage points between calculator bottleneck % and implied bottleneck from measured GPU utilization (n=9). Typical AAA titles without CPU-extreme engines sit near 5.0 pp MAE; best cases are often within 2–4 points. BIOS misconfig is excluded from that MAE and diverges much more. Full write-up: are PC bottleneck calculators accurate? · methodology.

Start with the main calculator

Need a full CPU/GPU bottleneck percentage with upgrade tabs? Use the PC Bottleneck Calculator on the homepage, then come back here for focused tools.

Check your bottleneck first

PC bottleneck calculator (CPU + GPU)

Guides that pair with these tools

Toolkit FAQ

Are these tools the same as the bottleneck calculator?

They share the same hardware score database as the homepage bottleneck calculator, but each tool answers a focused question — estimated FPS, PSU wattage, tier ranking, or upgrade picks — instead of a full bottleneck percentage with upgrade tabs.

How accurate are the toolkit numbers?

For standard gaming configs (XMP, Resizable BAR, typical AAA at 1440p/4K), our bottleneck estimates track measured GPU utilization within roughly 5–8 percentage points in Afterburner-style checks. Treat results as planning guidance, not a live diagnostic. See our accuracy deep-dive and methodology for limits.

Which tool should I use first?

Start with the main PC Bottleneck Calculator if you want a CPU/GPU balance percentage. Use the FPS calculator for expected frame rates, the PSU calculator before a power-supply purchase, and the tier lists or upgrade advisor when comparing parts.

Do I need an account?

No. Every tool is free, runs in the browser, and does not require registration.