Smart Builder

Generate complete part lists or find specific components for your budget.

Describe your dream PC

About the Smart PC Builder

The Smart PC Builder takes the guesswork out of configuring a custom computer. Whether you are assembling a budget-friendly 1080p gaming rig or a high-end 4K workstation, ensuring that all components work in harmony without creating performance bottlenecks is crucial to maximizing the value of your investment.

System Integrator vs. Part Finder

Our tool offers two different modes tailored to what you need:

System Integrator: Describe your ideal PC in plain text—including your budget, favorite games, and aesthetic preferences. The AI will generate a complete, balanced part list designed to avoid bottlenecks, complete with current pricing estimates and purchase links.
Part Finder: Perfect for upgrading an existing build. If you already have a CPU and merely need a compatible motherboard, or you want the best cooler under a certain price point, simply ask the Part Finder for targeted recommendations.

Why balance matters in a PC build

A common mistake when building a PC is overspending on a flagship processor while skimping on the graphics card, or buying lightning-fast DDR5 RAM without a motherboard that supports its top speeds. The Smart Builder assesses the synergistic performance of the CPU and GPU pair, the capacity and speed of memory, and the power delivery of the PSU to ensure every dollar is spent efficiently.

Are prices updated in real-time?

We estimate prices based on current market trends and historical data. While we strive for accuracy to help you plan your budget, hardware prices fluctuate daily due to sales, stock availability, and new releases. Always verify the final price at your preferred retailer before making a purchase.

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whattoupgrade.com

Free PC bottleneck analyzer and upgrade advisor. Find out which component is holding back your gaming performance.

How the PC Analyzer Works

Our bottleneck analyzer examines your PC configuration — CPU, GPU, RAM, storage, and PSU — and identifies the component limiting your performance at your target resolution and frame rate.

Step 1: Select your current CPU and GPU from our database of 90+ components
Step 2: Enter your RAM, storage type, and PSU wattage
Step 3: Choose your target resolution (1080p, 1440p, or 4K) and primary use case
Results: Get a detailed score breakdown, bottleneck identification, and upgrade recommendations with direct links to shop

Launch the PC Analyzer →

Smart PC Builder

Describe your ideal build — budget, use case, and preferences — and our builder generates a complete, compatible parts list with pricing estimates and purchase links.

Whether you're building a $600 budget gaming PC or a $2,800 high-end workstation, the Smart Builder selects parts that avoid bottlenecks and maximize value.

Try the Smart Builder →

Hardware Upgrade Guides

In-depth articles to help you make smarter upgrade decisions:

CPU vs GPU: Which Should You Upgrade First for Gaming — A framework to decide whether a CPU or GPU upgrade will improve FPS the most for your resolution, games, and budget.
How to Tell If Your GPU Is Bottlenecked — Learn to measure GPU utilization and identify whether your graphics card is the limiting factor.
RTX 4060 Ti vs RTX 4070: Is the Upgrade Worth It? — A detailed performance and value comparison at 1080p and 1440p.
RTX 3070 vs RTX 4060 Ti: Same Price, Different Generation — Cross-generational GPU comparison for 1440p gaming.
Ryzen 5600X vs 5800X3D: The Best AM4 Upgrade Path — Is V-Cache worth the premium on the AM4 platform?
Intel 12400F vs 13600K: Value vs Performance — Budget vs mid-range Intel CPU comparison for gamers.
PSU Upgrade Guide: How to Know If You Need More Power — When it's safe to keep your PSU and when you must upgrade.
RAM Upgrade Guide: How Much You Actually Need for Gaming — Capacity, speed, and dual-channel explained for gamers.

Frequently Asked Questions

What is a PC bottleneck?: A bottleneck occurs when one component (usually the CPU or GPU) limits the performance of your entire system. For example, pairing a high-end GPU with an old CPU means the CPU can't feed data fast enough, wasting GPU potential.
How do I know which component to upgrade first?: Use our analyzer to check your component scores. The component with the lowest score relative to your target resolution and frame rate is usually the best upgrade candidate.
Is this tool free to use?: Yes, the PC analyzer, smart builder, and all hardware guides are completely free. We're supported by affiliate links — when you purchase hardware through our links, we earn a small commission at no extra cost to you.
How accurate are the recommendations?: Our analysis is based on publicly available benchmark data and hardware specifications. Scores are heuristic estimates — real-world results can vary based on specific games, drivers, cooling, and other factors.
Should I upgrade my GPU or CPU first for gaming?: At 1440p and 4K, GPU upgrades usually have the biggest impact. At 1080p with high refresh rates (144Hz+), CPU upgrades matter more. Our analyzer identifies your specific bottleneck automatically.
How much RAM do I need for gaming?: 16GB is the minimum for comfortable modern gaming. 32GB is recommended for streaming, multitasking, or future-proofing. Always run dual-channel (2 sticks) and enable XMP/EXPO in BIOS.

About whattoupgrade.com

whattoupgrade.com is a free resource for PC gamers and builders who want to make smart hardware decisions. Our tools analyze your current setup, identify bottlenecks, and recommend upgrades that give you the best performance for your budget.

We analyze over 90 CPUs and 40 GPUs across AMD and NVIDIA/Intel platforms, covering everything from entry-level budget builds to enthusiast-grade workstations.