TechBenchPro — Free FPS Calculator, PSU Calculator, GPU Compare & PC Building Tools

Independent PC building tools. Fourteen tools are completely free with no usage limits: AI PC Builder, Upgrade Advisor, FPS Calculator, PSU Calculator, GPU Compare, CPU Compare, Benchmarks, Power Cost Calculator, Thermal Estimator, Future-Proof Score, Upgrade Timing, Bottleneck Checker, Resolution Advisor, and Settings Advisor. The PC Builder is free for your first 3 builds, with a small paid upgrade for unlimited use. Sign-up is needed so your work saves across devices.

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Free PCBuilding Tools

Fourteen calculators and comparison tools that are completely free to use. The PC Builder is free for your first 3 builds; after that a paid upgrade keeps things running. A quick sign-up is required to save work across devices.

14Fully free tools
3Free PC Builder builds
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Why Use Our PC Building Tools?

Building a gaming PC in 2026 requires accurate data and reliable tools. Our PC builder with compatibility checks helps you avoid costly mistakes, while our FPS calculator predicts frame rates for popular games—including demanding titles like Cyberpunk 2077 and the upcoming GTA 6. Whether you're following our beginner's guide to building a gaming PC or upgrading an existing system, these tools provide the accuracy you need.

Choosing the right components is critical for performance and value. Our GPU benchmark tier list and GPU compare tool help you evaluate graphics cards side-by-side with real gaming benchmarks. Wondering about power requirements? The PSU wattage calculator accounts for transient spikes from modern RTX 50-series and RX 9000-series GPUs, recommending the right power supply from our ranked PSU tier list.

From identifying CPU/GPU bottlenecks to finding the best CPU/GPU combos for every budget, our tools help you make informed decisions. Check out our AMD vs Intel comparison and NVIDIA vs AMD GPU comparison to understand your options before using the configurator.

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Free calculators and benchmarks for gamers, PC builders, and hardware enthusiasts

Benchmark Accurate

Based on real-world testing data

Instant Results

Immediate calculations and insights

Regularly Updated

Hardware database updated frequently

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FPS Calculator for Every Game

Wondering what FPS you'll get in Cyberpunk 2077, GTA 6, or Valorant? Our calculator uses real benchmark data to estimate approximate performance. Perfect for planning GPU upgrades or optimizing your in-game settings.

Popular games including Cyberpunk, CS2, Fortnite, Valorant
All resolutions: 1080p, 1440p, 4K, Ultrawide
Quality presets: Low to Ultra with RT/DLSS support
Bottleneck detection and upgrade recommendations
Calculate Your FPSFPS Optimization Guide

PSU Calculator

Modern GPUs like the RTX 5080 and RX 9070 XT have massive power spikes. Our calculator accounts for these transients to recommend the right wattage from our ranked PSU tier list.

  • Transient spike analysis
  • 80+ efficiency recommendations
  • Overclocking headroom
  • Modular PSU suggestions
Calculate PSU Wattage

GPU Compare

Compare any two GPUs with real gaming benchmarks. See how the RTX 5080 stacks up against the RX 9070 XT, or check RTX 5070 gaming performance against budget options from our best GPUs under $300 guide.

  • Hundreds of GPUs
  • Real gaming benchmarks
  • Price-to-performance analysis
  • Ray tracing comparisons
Compare Graphics Cards
PC Builder

Build the Right Gaming PC

Our PC builder runs compatibility checks between every component, flagging socket mismatches, RAM compatibility issues, and insufficient PSU wattage before you buy. Check my guide on AMD's 3D V-Cache technology and the Ryzen 9800X3D vs Intel 285K comparison before configuring your build.

Compatibility checks for all parts
Live price tracking from major retailers
Estimated FPS performance predictions
Auto PSU wattage with efficiency ratings
Start Building Now
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Related Guides & Reviews

Deep-dive into hardware comparisons, optimization tips, and buying guides

View All Guides

Frequently Asked Questions

Common questions about our PC building tools

How accurate is the FPS Calculator?

Our FPS calculator provides approximate estimates based on publicly available benchmark data. Results may vary based on drivers, game updates, and system configuration.

Does the PC Builder check all compatibility issues?

Yes, our PC builder validates CPU/motherboard socket compatibility, RAM type and speed, GPU clearance, PSU wattage requirements, and case size constraints in real-time.

Why is PSU calculation important for modern GPUs?

Modern GPUs like the RTX 5080 and RX 9070 XT experience power transient spikes up to 2x their rated TDP. Our calculator accounts for these spikes to prevent system instability.

Are these tools free to use?

The FPS Calculator, PSU Calculator, GPU Compare, CPU Compare, Power Cost Calculator, Thermal Estimator, Future-Proof Score, Upgrade Timing, Bottleneck Checker, Resolution Advisor, and Settings Advisor are completely free, with no usage limits. The PC Builder is free for your first 3 builds; a small paid upgrade unlocks unlimited builds and helps keep the project running. A quick sign-up is needed so your work saves across devices.

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Ready to Build YourDream Gaming PC?

Try our free PC building tools. Get started in seconds with instant results.

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