UserBenchmark Test: CPU, GPU, RAM & Storage Speed
Benchmark your computer or smartphone hardware performance in your browser. Measure CPU single-core & multi-thread compute, 3D WebGL GPU framerates, RAM bandwidth, and storage I/O with zero downloads.
How to Benchmark Your PC in 3 Steps
Close Background Applications
Close high-usage programs like games, video editors, and active browser downloads to eliminate CPU throttling and background memory contention.
Run Complete Benchmark Suite
Click Run Complete Benchmark. Keep this browser window focused while it tests CPU mathematics, 3D WebGL rendering, and memory bandwidth.
Review Scores & Share
Inspect your Gaming, Desktop, and Workstation percentage ratings, compare components against reference targets, and copy your benchmark summary.
The Complete Guide to PC Hardware Benchmarking & Performance Metrics
Hardware benchmarking evaluates whether your computer components perform at their expected specifications. Bottlenecks in any single subsystem can degrade your entire computing experience.
How Browser Benchmarks Evaluate Hardware Capabilities
Modern browser engines like Google V8, Apple JavaScriptCore, and Mozilla SpiderMonkey compile JavaScript code directly into machine-level x86-64 and ARM assembly. By testing these instructions, web benchmarks evaluate real-world hardware compute power:
- CPU Single-Thread: Executes sequential arithmetic loops, prime factorization, and recursive logic on a single thread. Single-thread speed dictates web browsing responsiveness, operating system snappy feel, and esports gaming performance.
- CPU Multi-Thread: Evaluates parallel scaling across all available cores using parallelized workers. Critical for video rendering, code compilation, and multi-tasking.
- GPU WebGL 3D Acceleration: Direct communication with your graphics card via WebGL shaders, measuring polygon throughput, dynamic lighting calculations, and framerate consistency (1% lows).
- RAM Bandwidth: Sequential memory reads and writes across contiguous memory buffers, measuring maximum data transfer bandwidth in gigabytes per second (GB/s).
Understanding Thermal Throttling & Clock Speeds
If your benchmark scores are lower than expected, your hardware may be experiencing thermal throttling. Modern CPUs and GPUs dynamically adjust their clock frequencies based on operating temperature. In laptops or dusty desktop chassis, temperatures can exceed 90°C, causing clock speeds to drop significantly to protect silicon integrity.
Hardware Performance Tiers & Expected Benchmark Ratings
Reference guide for performance percentage ratings across common consumer PC hardware configurations:
| Hardware Class | Gaming Score (%) | Desktop Score (%) | Workstation Score (%) | Representative Hardware |
|---|---|---|---|---|
| Enthusiast Desktop | 120%+ | 110%+ | 130%+ | Intel Core i9 / AMD Ryzen 9, RTX 4080 / 4090, 32GB DDR5 |
| Modern Gaming PC | 85% - 119% | 90% - 109% | 90% - 129% | Ryzen 7 7800X3D / i7-14700, RTX 4070 / RX 7800 XT, 16GB RAM |
| Mainstream Laptop / PC | 50% - 84% | 70% - 89% | 60% - 89% | Intel Core i5 / Ryzen 5, Apple M2/M3, RTX 3060, 16GB RAM |
| Budget / Office PC | 25% - 49% | 45% - 69% | 30% - 59% | Intel Core i3, AMD APU, Integrated UHD/Radeon Graphics, 8GB RAM |
| Legacy / Entry Device | Below 25% | Below 45% | Below 30% | Older dual-core processors, entry-level smartphones, 4GB RAM |
Frequently Asked Questions
No. The traditional UserBenchmark utility is a downloadable Windows-only executable program that requires administrator permissions. Our test is an independent browser-based benchmarking tool that tests your CPU, GPU, Memory, and Storage speed directly inside your browser across all operating systems (Windows, macOS, Linux, Android, iOS) without installing software.
To maximize your score: ensure your laptop is plugged into AC power (not running on battery saver mode), close all background browser tabs and applications, enable hardware acceleration in your browser settings, and make sure your computer has had time to cool down.
No. 100% of benchmark calculations run locally in your browser's client-side memory. No telemetry, IP addresses, or hardware serial numbers are uploaded or stored on any server.
Web browsers run in a secure sandbox without direct raw disk block access. We test storage throughput using IndexedDB transaction operations per second (IOPS), which accurately reflects how fast your browser and storage drive read and write database records.