Sebastian Castellanos Photo

Sebastian Castellanos

Hardware Reporter

Sebastian Castellanos is a data scientist by education and training. He's also deeply passionate about PC gaming hardware and software. He has recently started writing technical articles and guides on Wccftech about PC hardware, games and mods.

Joined April 2024 29 articles

Recent Posts

A comparison chart titled 'Frame Times vs Display Times' shows fluctuating frame times in blue and stable display times in green.

Display Times, Frame Times, And The Truth About Smoothness

Sebastian Castellanos Jun 24, 2026
A promotional image titled 'CPU or GPU Bottleneck? How to Diagnose & Fix' shows a CPU and GPU with a graph displaying 'FPS 142,' 'Frametime 7.1 ms,' 'CPU Usage 92%,' and 'GPU Usage 58%'.

CPU or GPU Bottleneck? How to Diagnose What’s Really Limiting Your Gaming Performance

Sebastian Castellanos Jun 20, 2026
A knight clad in armor stands on a fiery terrain beneath the text 'Fatekeeper: PC Performance Analysis & Tuning Guide'.

Fatekeeper PC Performance Analysis & Tuning Guide – How To Get The Best Experience On PC

Sebastian Castellanos Jun 16, 2026
A gaming GPU setup displays a monitor showing 'GPU TEMPERATURE' at 72°C and 'GPU UTILIZATION' at 99%, with text above reading 'How To Properly Stress Test Your GPU'.

How To Properly Stress Test Your GPU: Why FurMark Alone Is Not Enough For Modern GPUs

Sebastian Castellanos Jun 12, 2026
A character in '007 First Light' points a gun, next to text reading 'Performance Analysis & Tuning Guide' and 'Best Settings • CPU & GPU Benchmarks.'

007 First Light PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Jun 10, 2026
A graphic titled 'Why PC Game System Requirements Are Often Misleading' shows a screen comparing 'Minimum' and 'Recommended' specs, highlighting discrepancies like 'Unequivalent GPUs?' and 'Incorrect VRAM amounts?', alongside visuals emphasizing issues like 'Fake CPUs' and 'Upscaling Tricks'.

Why PC Game System Requirements Are Often Misleading

Sebastian Castellanos Jun 4, 2026
A LEGO Batman stands in front of a neon cityscape with the text 'PC Performance Analysis & Tuning Guide' on the left side.

LEGO Batman: Legacy of the Dark Knight PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Jun 2, 2026
A science fiction character in an armored suit appears in the promotional image for 'Directive 8020' with the text 'Performance Analysis & Tuning Guide' on the right.

Directive 8020 PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos May 28, 2026
A split-image of a computer chip with 'Do Computer Chips Slow Down With Age?' shows performance margin graphs and chip deterioration, contrasting performance over time.

Do Computer Chips Actually Get Slower With Age? The Real Science Behind Silicon Aging

Sebastian Castellanos May 26, 2026
A red sports car drifts around a curve in front of Mount Fuji and cherry blossoms, next to 'Forza Horizon 6' and 'Performance Analysis & Tuning Guide' text.

Forza Horizon 6 PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos May 24, 2026
Artwork of two pirate characters from the game 'Windrose' with text overlay 'PC Performance Analysis & Tuning Guide: How to get best experience on PC,' featuring icons for 'FPS Boost,' 'Graphics Settings,' 'Best Config,' and 'Optimization Tips.'

Windrose PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Apr 30, 2026
A widescreen monitor displays a game scene with a performance overlay showing 'FPS 78,' 'VRAM USAGE 7.2/8 GB,' 'RAM USAGE 11.6/16 GB,' and 'GPU USAGE 97%,' accompanied by a detailed infographic titled 'OPTIMIZATION IS MORE THAN FPS' explaining various factors affecting PC game performance.

The Truth About PC Game Optimization: Why Your FPS Counter Is Lying About What’s Actually Broken

Sebastian Castellanos Apr 29, 2026
The image compares the correct installation of a Samsung 990 PRO SSD in the 'TOP M.2 NVMe SLOT' for maximum speed and performance with an incorrect installation in the 'BOTTOM M.2 SATA SLOT' leading to limited speed and reduced performance.

Your SSD May Be in the Wrong M.2 Slot — Here’s How to Tell

Sebastian Castellanos Apr 24, 2026
An image from the game 'Cthulhu: The Cosmic Abyss' shows a diver with the number '03' on their suit, surrounded by tentacles and the face of Cthulhu, alongside the text 'Performance Analysis & Tuning Guide' at the top.

Cthulhu The Cosmic Abyss PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Apr 19, 2026
An image illustrating the evolution of AI from 1950 to 2022, depicting three eras: 'The Era of Handwritten Rules' with a vintage office, 'The Era of Machine Learning' with data visualization, and 'The Era of Generative and Agentic AI' with humanoid robots and futuristic technology.

The Evolution of Artificial Intelligence: From Handwritten Rules to Generative and Agentic Machines

Sebastian Castellanos Apr 13, 2026
NVIDIA DLSS 5 — Everything We Know So Far About NVIDIA’s Latest Neural Rendering Technology 1

NVIDIA DLSS 5 — Everything We Know So Far About NVIDIA’s Latest Neural Rendering Technology

Sebastian Castellanos Apr 23, 2026
A gaming monitor displays various profiling graphs and a gameplay scene using NVIDIA Nsight Graphics, with a colorful backlit keyboard and mouse in front.

How to Profile Modern PC Games with NVIDIA Nsight Graphics

Sebastian Castellanos Apr 5, 2026
A promotional image for Death Stranding 2 features a character holding a baby, with the text 'Performance Analysis & Tuning Guide' in green.

DEATH STRANDING 2: ON THE BEACH PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Mar 29, 2026
NVIDIA DLSS vs AMD FSR vs Intel XeSS — Everything You Need To Know About The Three Main GPU Vendor Technologies 1

DLSS vs FSR vs XeSS Explained: AI Upscaling, Frame Generation & Ray Reconstruction Compared

Sebastian Castellanos Mar 24, 2026
A split image contrasts 'The X86 Era' featuring an X86 CPU chip labeled '8086', 'Pentium', and 'Core i9', with 'The Apple

The Evolution of CPU Architectures – From Intel 4004 To Modern SoCs

Sebastian Castellanos Mar 11, 2026
A promotional image for 'Resident Evil: Requiem' shows a character with a flashlight and the text 'Performance Analysis &

Resident Evil Requiem PC Performance Analysis & Tuning Guide – How To Get Best Experience On PC

Sebastian Castellanos Feb 26, 2026
The image showcases a DLSS Enabler 4.0.0.11 Tech Preview with features like 'Dynamic Frame Generation,' 'Semi-Interpolated

DLSS Enabler Mod Guide: How to Install, Multi Frame Generation & Ray Tracing Setup

Sebastian Castellanos Feb 22, 2026
An illustration titled 'Modern Computer Memory Types' shows DRAM with 'Capacitor & Transistor Pair,' SRAM with 'Flip-Flop

A Deep Dive Into Modern Computer Memory: ROM, DRAM, SRAM & Flash

Sebastian Castellanos Feb 17, 2026
A character with a sword stands in a misty landscape with a red vortex in 'Nioh 3', accompanied by the text 'Optimized

Nioh 3 PC Graphics Tuning Guide — How To Get The Best Experience From The PC Version

Sebastian Castellanos Feb 10, 2026
A promotional image for 'Code Vein II' shows two characters engaging in combat beneath the game's title, with the text

Code Vein 2 Best PC Settings & Performance Fix: Optimized for 34% More FPS

Sebastian Castellanos Feb 2, 2026

The Evolution of the PC Graphics Rendering Pipeline — From Fixed-Function Era to Real-Time Path Tracing

Sebastian Castellanos Jan 27, 2026
A presentation slide titled 'FPS Limiter Guide' contrasts 'Uncapped Framerate' causing 'Tearing/Stutter' with 'Capped

Every FPS Limiter Tested in Cyberpunk 2077: Nvidia Reflex vs RTSS vs Special K

Sebastian Castellanos Jan 22, 2026
NVIDIA DLSS 4.5 Support Rolls Out To All NVIDIA App Users, New Features Also Added 1

NVIDIA DLSS 4.5 Super Resolution: Full Guide, Image Quality Analysis & Performance Impact

Sebastian Castellanos Jan 17, 2026
The image shows a panel with settings from the RivaTuner Statistics Server application displaying options like 'On-Screen Display' set to ON and 'Application detection level' set to Low, alongside text reading Rivatuner Statistics Server Overlay Setup Guide.

RivaTuner (RTSS) & MSI Afterburner Overlay Guide: Setup, Custom Skins & Templates

Sebastian Castellanos Jan 1, 2026
A display of the CapFrameX software's 'Frametime Capture and Analysis Tool' with a visible chart comparing 'Battlefield 6' average FPS performance.

How to Properly Benchmark your PC Games Using CapFrameX

Sebastian Castellanos Dec 27, 2025
A computer motherboard highlighted with green graphics and overlaid text displaying 'NVIDIA Profile Inspector' and 'Resizable BAR'.

How to Enable Resizable BAR for Better Gaming Performance on NVIDIA GPUs

Sebastian Castellanos Dec 19, 2025
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