Gaming performance lab
Higher FPS. Better settings. Smarter upgrades.
Clear guides and free tools to get more out of your PC or console, for every game. No hype, no guesswork.
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Resizable BAR: what it is and should you enable it
Resizable BAR lets your CPU reach all of your graphics card memory at once. Here is what it does, what you need, how to check it and when it helps.
V-Sync, G-SYNC and FreeSync: what to use and when
Screen tearing, V-Sync, G-SYNC and FreeSync explained in plain English, with a simple setup order and a checklist so you can pick the right option.
How to update graphics drivers safely
When to update your graphics driver, where to download it, how to install it without problems and how to go back if a new version causes crashes or stutter.
Windows settings that help gaming performance
A short list of Windows settings worth checking for gaming: power mode, Game Mode, graphics preferences, background apps, storage and updates, and what to leave alone.
How to reduce input lag and ping in online games
Input lag and ping are two different delays. See how to measure each one and the practical changes that cut them, from display settings to your network setup.
Mouse sensitivity guide: DPI, eDPI and how to keep your aim across games
Learn what DPI and eDPI mean, how to find a comfortable sensitivity and how to convert it between shooters so your aim feels the same in every game.
Free tools
All toolsMouse Sensitivity Converter
Convert mouse sensitivity between CS2, Valorant, Apex Legends, Overwatch 2 and Call of Duty, and calculate eDPI and cm/360. Free and instant.
FPS to Frame Time Calculator
Convert FPS to frame time in milliseconds and back. See how long each frame takes at 60, 120, 144 and 240 FPS and what it means for smoothness.
Game Download Time Calculator
Find out how long a game download takes. Enter the size and your internet speed in Mbps or MB/s and get the time in hours and minutes.
Monitor PPI Calculator
Calculate the PPI (pixels per inch), pixel size and real dimensions of any monitor from its diagonal size and resolution. Compare 1080p, 1440p and 4K.
Resolution FPS Estimator
Estimate how your FPS changes when you switch resolution. Compare 1080p, 1440p, ultrawide and 4K pixel counts and the extra load on your graphics card.
Settings
See allV-Sync, G-SYNC and FreeSync: what to use and when
Screen tearing, V-Sync, G-SYNC and FreeSync explained in plain English, with a simple setup order and a checklist so you can pick the right option.
Mouse sensitivity guide: DPI, eDPI and how to keep your aim across games
Learn what DPI and eDPI mean, how to find a comfortable sensitivity and how to convert it between shooters so your aim feels the same in every game.
DLSS, FSR and XeSS: how upscaling works and when to use it
Upscaling renders a game at lower resolution and rebuilds a sharp image. Learn how DLSS, FSR and XeSS differ, what the quality modes mean and when to turn frame generation on.
FPS and Performance
See allResizable BAR: what it is and should you enable it
Resizable BAR lets your CPU reach all of your graphics card memory at once. Here is what it does, what you need, how to check it and when it helps.
How to tell if your CPU or your graphics card is the bottleneck
A bottleneck means one part holds back the rest. Use these simple tests to find out whether your processor or your graphics card limits your FPS in a game.
FPS, frame time and 1 percent lows: what to measure and why
Average FPS hides stutter. Learn what frame time and 1 percent lows tell you, how to measure them in your games and which numbers to aim for.
Hardware
See allMonitor refresh rate explained: is 144 Hz or 240 Hz worth it?
What refresh rate really does, how it connects to FPS, how much you gain from 60 to 144 to 240 Hz and which settings to turn on to get the benefit.
How much RAM do you need for gaming? 16 GB, 32 GB and when it matters
Most games run well with 16 GB of memory, but some setups need more. Learn how RAM affects gaming, what dual channel does and when upgrading is worth it.
How to choose a graphics card for 1080p, 1440p and 4K gaming
What to look for in a graphics card for your screen: resolution, video memory, features and the questions to ask before you spend money on an upgrade.
How-to
See allHow to update graphics drivers safely
When to update your graphics driver, where to download it, how to install it without problems and how to go back if a new version causes crashes or stutter.
Windows settings that help gaming performance
A short list of Windows settings worth checking for gaming: power mode, Game Mode, graphics preferences, background apps, storage and updates, and what to leave alone.
How to reduce input lag and ping in online games
Input lag and ping are two different delays. See how to measure each one and the practical changes that cut them, from display settings to your network setup.