Ehsan Ul Haq
Ehsan Ul Haq is the Editor-in-Chief of theCoreiTech. Ehsan leads the editorial review process and checks the Computer Basics, Computer Hardware, and Computer Networking guides for accuracy, sourcing, and clarity before publication.
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Computer Hardware
DDR4 vs DDR5 RAM: Which Should You Buy?
DDR4 vs DDR5 RAM compared across data rate, latency, voltage, capacity, platform support, and price, with a clear recommendation for…
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Computer Hardware
RAM Speed and Timings Explained: MHz and CAS Latency
RAM speed and timings explained: the difference between MHz and MT/s, what CAS latency and timing numbers mean, how to…
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Computer Hardware
ARM vs x86 Processors: Key Differences Explained
ARM vs x86 processors compared on RISC vs CISC design, power efficiency, performance, software compatibility, and use cases.
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Computer Hardware
CPU Cores and Threads Explained
CPU cores and threads explained: what a core is, how multithreading works, and how many cores you need for gaming…
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Computer Hardware
Single vs Dual Channel Memory: Performance Difference
Single vs dual channel memory explained: how a second 64-bit channel doubles bandwidth, the measured performance gains in gaming and…
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Computer Hardware
ECC vs Non-ECC RAM: Do You Need Error Correction?
ECC vs non-ECC RAM compared: how error-correcting code memory detects and fixes bit errors, who needs it, the supported platforms,…
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Computer Hardware
How to Install RAM: Step-by-Step Guide
How to install RAM step by step: powering down safely, checking compatibility, choosing the correct DIMM slots, seating modules, and…
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Computer Hardware
RAM Form Factors: DIMM vs SO-DIMM
RAM form factors explained: DIMM for desktops, SO-DIMM for laptops, the new CAMM2 standard, server RDIMM and LRDIMM, and soldered…
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Computer Hardware
HDD vs SSD: Which Storage Drive Is Better?
HDD vs SSD compared across storage method, speed, price per terabyte, durability, lifespan, noise, and power to show which storage…
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Computer Hardware
How SSDs Work: NAND Flash and Controllers
How SSDs work: how NAND flash cells store bits, what the controller and DRAM cache do, and how wear leveling,…
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Computer Hardware
NVMe vs SATA SSD: What’s the Difference?
NVMe vs SATA SSD compared: interface and protocol differences, sequential and random speeds, latency, queue depth, and when NVMe speed…
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Computer Hardware
M.2 vs SATA Storage: Form Factor and Interface
M.2 vs SATA explained: why M.2 is a form factor and SATA is an interface, the M.2 SATA vs M.2…
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Computer Hardware
How Hard Drives Work: Platters, Heads, and Actuators
How hard drives work: spinning platters store data magnetically, read/write heads and actuators move across tracks, and RPM, cache, and…
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Computer Hardware
How to Choose a Graphics Card: Buyer’s Guide
How to choose a graphics card: matching GPU tier to resolution and refresh rate, checking VRAM, PSU wattage, case clearance,…
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Computer Hardware
Best GPUs for Gaming: Picks by Resolution Tier
Best GPUs for gaming by resolution: representative graphics cards for 1080p, 1440p, and 4K, with the VRAM, ray tracing, and…
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Computer Hardware
How to Choose a Storage Drive: Buyer’s Guide
How to choose a storage drive: match SSD or HDD, NVMe or SATA, capacity, endurance, and form factor to gaming,…
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Computer Hardware
GPU Cooling Explained: Fans, Heatsinks, and Coolers
GPU cooling explained: how heatsinks and fans dissipate heat, open-air vs blower vs liquid cooling, thermal throttling, and safe GPU…
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Computer Hardware
RAID Levels Explained: RAID 0, 1, 5, 6, and 10
RAID levels explained: how RAID 0, 1, 5, 6, and 10 balance speed, redundancy, and usable capacity, plus the minimum…
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Computer Hardware
External vs Internal Storage: Which to Choose
External vs internal storage compared: interface speeds, portability, backup use, security, and cost to decide between internal and external drives.
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Computer Hardware
Ray Tracing Explained: How Real-Time Lighting Works
Ray tracing explained: how ray tracing simulates light paths for realistic reflections and shadows, the role of RT cores, and…
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Computer Hardware
How GPUs Work: Parallel Processing Explained
How GPUs work: how thousands of cores render graphics in parallel, the rendering pipeline, the role of VRAM, and how…
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Computer Hardware
Nvidia vs AMD GPUs: Which Graphics Card Brand?
Nvidia vs AMD GPUs compared on raster performance, ray tracing, upscaling, VRAM, power, and price to pick the right graphics…
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Computer Hardware
VRAM Explained: How Much Video Memory You Need
VRAM explained: what video memory does, GDDR6 vs GDDR6X bandwidth, how much VRAM you need by resolution, and what happens…
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Computer Hardware
Integrated vs Dedicated Graphics: What’s the Difference?
Integrated vs dedicated graphics compared: how iGPUs share system RAM versus dedicated GPUs with VRAM, performance gaps, power use, and…
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