X3D Gaming Mode: Should You Enable It in BIOS?
X3D Gaming Mode can disable SMT, global C-states, and a second CCD. That can help selected games, but it is usually the wrong global setting.
Read guidePC Optimization Blog
Actionable PC optimization guides to boost FPS, reduce input lag, improve BIOS tuning, fix stutter, and get more consistent gaming performance.
Featured Guides
Ryzen 9 9950X3D Gaming Setup: Fix Wrong CCD Cores
Keep games on the Ryzen 9 9950X3D's V-Cache CCD. Process Lasso is our preferred method for better performance and consistent CCD0 placement.
Read guide
NVIDIA GPU Overclock and Undervolt Guide
Find your NVIDIA GPU's stable core and memory ceiling first, then reduce voltage while preserving as much of that performance as possible.
Read guide
Updated NVIDIA Optimization Guide
Start with the driver, check GPU-Z, verify your PCIe connection, then set up the NVIDIA App for cleaner FPS, lower delay, and fewer setup mistakes.
Read guide
I Optimized a Ryzen 5 3600 and GTX 1650 Gaming PC in 2026
A stock Ryzen 5 3600 and GTX 1650 looked finished in 2026. After BIOS, RAM, Windows, driver, and game tuning, it became a playable competitive PC again.
Read guide
I've Optimized Over 10,000 PCs. These Are The Black Ops 7 Settings The Pros Use
Complete PC Optimization Guide
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Your Game Is Running in the Wrong Presentation Mode
Your game might be running in the worst possible presentation mode right now - and you have absolutely no idea. This one setting is adding input lag that no mouse, no monitor, and no PC upgrade will ever fix. Here's how to check it and correct it in under 60 seconds.
Read guide
Easy DDR5 Timings for AMD
Unlock hidden performance in your AMD system. From physical slot placement to advanced BIOS sub-timings, this guide breaks down the exact DDR5 optimization process we’ve used on over 10,000 high-end gaming PCs. No fluff, just pure frames.
Read guide
AMD Ryzen 7 9800X3D BIOS Optimization
This is the exact BIOS configuration I run on every 9800X3D system that comes through Xilly, from BIOS updates through Precision Boost Overdrive, Curve Optimizer, memory tuning, and fan control.
Read guide
RTX 50 Series Optimization Guide
This is the exact process I run on every Nvidia GPU that comes through Xilly: clean driver installs, control panel optimization, Profile Inspector tweaks, Resizable BAR configuration, and Afterburner overclocking. No hardware changes. On average, 10-15% higher FPS compared to a stock out-of-box setup.
Read guide
Top 5 PC Optimization Companies
In today’s gaming world, performance matters. Whether you are playing competitively or casually, lag, low FPS, and inconsistent system behavior can ruin the experience.
Read guide
Competitor vs. Xilly PC Optimization: Which $60-$85 Service Actually Boosts Your FPS?
Two popular gaming optimization services go head-to-head in our comprehensive testing. We purchased a popular $60 optimization package and Xilly's $85 Core service to measure real FPS improvements.
Read guide
Windows 11 25H2 vs 23H2 vs Windows 10 for Gaming in 2026
I tested all three Windows versions on the same optimized system with a Ryzen 7 7800X3D and RTX 4080. Here is what the benchmarks actually show in Fortnite, Call of Duty, and CS2.
Read guide
Fortnite Settings Guide 2026: Launcher, In-Game, Nvidia, and Windows
The current Fortnite update changed how you should think about settings. This covers everything: launcher, in-game, rendering mode, Nvidia Control Panel, and Windows.
Read guideLatest Guides
X3D Gaming Mode: Should You Enable It in BIOS?
X3D Gaming Mode can disable SMT, global C-states, and a second CCD. That can help selected games, but it is usually the wrong global setting.
Read guide
Ryzen 9 9950X3D Gaming Setup: Fix Wrong CCD Cores
Keep games on the Ryzen 9 9950X3D's V-Cache CCD. Process Lasso is our preferred method for better performance and consistent CCD0 placement.
Read guide
NVIDIA GPU Overclock and Undervolt Guide
Find your NVIDIA GPU's stable core and memory ceiling first, then reduce voltage while preserving as much of that performance as possible.
Read guide
Updated NVIDIA Optimization Guide
Start with the driver, check GPU-Z, verify your PCIe connection, then set up the NVIDIA App for cleaner FPS, lower delay, and fewer setup mistakes.
Read guide
I Optimized a Ryzen 5 3600 and GTX 1650 Gaming PC in 2026
A stock Ryzen 5 3600 and GTX 1650 looked finished in 2026. After BIOS, RAM, Windows, driver, and game tuning, it became a playable competitive PC again.
Read guide
I've Optimized Over 10,000 PCs. These Are The Black Ops 7 Settings The Pros Use
Complete PC Optimization Guide
Read guide
Your Game Is Running in the Wrong Presentation Mode
Your game might be running in the worst possible presentation mode right now - and you have absolutely no idea. This one setting is adding input lag that no mouse, no monitor, and no PC upgrade will ever fix. Here's how to check it and correct it in under 60 seconds.
Read guide
Easy DDR5 Timings for AMD
Unlock hidden performance in your AMD system. From physical slot placement to advanced BIOS sub-timings, this guide breaks down the exact DDR5 optimization process we’ve used on over 10,000 high-end gaming PCs. No fluff, just pure frames.
Read guide
AMD Ryzen 7 9800X3D BIOS Optimization
This is the exact BIOS configuration I run on every 9800X3D system that comes through Xilly, from BIOS updates through Precision Boost Overdrive, Curve Optimizer, memory tuning, and fan control.
Read guide
RTX 50 Series Optimization Guide
This is the exact process I run on every Nvidia GPU that comes through Xilly: clean driver installs, control panel optimization, Profile Inspector tweaks, Resizable BAR configuration, and Afterburner overclocking. No hardware changes. On average, 10-15% higher FPS compared to a stock out-of-box setup.
Read guide
Optimizing Intel i9 for Gaming: The Ultimate Gigabyte Z790 Guide
A step-by-step guide to optimizing Intel i9 performance on Gigabyte Z790 motherboards, preventing CPU degradation and ensuring stable gaming performance.
Read guide
Top 5 PC Optimization Companies
In today’s gaming world, performance matters. Whether you are playing competitively or casually, lag, low FPS, and inconsistent system behavior can ruin the experience.
Read guide
Competitor vs. Xilly PC Optimization: Which $60-$85 Service Actually Boosts Your FPS?
Two popular gaming optimization services go head-to-head in our comprehensive testing. We purchased a popular $60 optimization package and Xilly's $85 Core service to measure real FPS improvements.
Read guide
Windows 11 25H2 vs 23H2 vs Windows 10 for Gaming in 2026
I tested all three Windows versions on the same optimized system with a Ryzen 7 7800X3D and RTX 4080. Here is what the benchmarks actually show in Fortnite, Call of Duty, and CS2.
Read guide
How to Dual Boot Windows Without a USB Drive
Install a completely separate Windows as a dual boot without touching your current setup and without a USB drive. Just an ISO, a script, and a partition.
Read guide
Fortnite Settings Guide 2026: Launcher, In-Game, Nvidia, and Windows
The current Fortnite update changed how you should think about settings. This covers everything: launcher, in-game, rendering mode, Nvidia Control Panel, and Windows.
Read guide