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 34 articles

Recent Posts

A close-up of a motherboard featuring the 'Republic of Gamers' branding, overlaid with a graphic from Wccftech reading 'Best PC Parts & Builds Deals July 2026.'

Best PC Parts Deals And Gaming Builds Of July 2026

A black NVIDIA GeForce RTX graphics card labeled 'RTX 5070 Ti' is displayed next to the word 'SUPER' on a green, textured background.

NVIDIA’s GeForce RTX 5070 Ti SUPER – Specs, Performance, And Price, Everything We Know So Far

A character in Assassin's Creed Black Flag Resynced stands armed with a sword and pistol on a pirate ship, with the text 'PC Performance Analysis & Tuning Guide' above.

Assassin’s Creed Black Flag Resynced PC Performance Analysis & Tuning Guide – How To Get the Best Experience On PC

A diagram titled 'DPC Latency — How To Diagnose & Fix' showing the process flow from 'Hardware Interrupt' through 'ISR' and 'DPC' to 'App Thread' and 'Audio Buffer'.

How To Diagnose and Fix High DPC Latency in Windows

Logos of NVIDIA GeForce Now, Xbox Cloud Gaming, Luna, Shadow, and PlayStation Plus surround a game controller icon with the text 'Is Cloud Gaming Worth It In 2026?' displayed on a purple background.

Is Cloud Gaming Worth It In 2026? Pros, Cons, Trade-Offs & Why It Still Can’t Replace Gaming PCs

The image shows the title 'Gothic Remake' above three characters in a fantasy setting, with text reading 'PC Performance Analysis & Tuning Guide'.

Gothic 1 Remake PC Performance Analysis & Tuning Guide – How To Get The Best Experience On PC

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Load More