Topic

#Hardware

104 posts tagged “Hardware”.

Chisato Chisato · · 4 min read

Wafer-Scale Integration Explained

Wafer-scale integration builds one giant chip from an entire silicon wafer instead of cutting it into dies. How it works and its tradeoffs.

#Hardware #Chips #Semiconductors
Chisato Chisato · · 4 min read

What Is HBM? High Bandwidth Memory Explained

HBM stacks DRAM dies vertically and connects them through a wide interface, trading capacity per chip for far higher bandwidth than standard DRAM.

#Hardware #Semiconductors #Computer Science
Chisato Chisato · · 4 min read

Thermal Interface Materials Explained

Thermal interface material fills microscopic gaps between a chip and its heatsink so heat can actually transfer to the cooler.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

Clock Speed vs. IPC: What Actually Makes a CPU Fast

Clock speed measures cycles per second; IPC measures work done per cycle. Real CPU performance is the product of both, not either one alone.

#Hardware #Computer Science #Performance
The Lycoris Team The Lycoris Team · · 6 min read

Apple iPhone 18 Pro Event: Foldable iPhone, New CEO

Apple's September 9 'Surprise and shine' event is set to unveil the iPhone 18 Pro and a first foldable iPhone — the first launch under new CEO John Ternus.

#Apple #Chips #Hardware
Chisato Chisato · · 4 min read

Wi-Fi 6E vs Wi-Fi 7 Explained

Wi-Fi 6E opened the 6 GHz band; Wi-Fi 7 adds Multi-Link Operation and wider channels on top of it. How the two standards actually differ.

#Hardware #Networking
Chisato Chisato · · 4 min read

UMA vs NUMA: Memory Architecture Explained

UMA gives every CPU core equal-latency memory access; NUMA gives each core faster access to its local memory bank. How the two architectures differ.

#Hardware #Computer Science #Performance
Chisato Chisato · · 5 min read

What Is Overclocking?

Overclocking runs a CPU, GPU, or memory beyond its rated clock speed for more performance, trading power, heat, and stability margin to get it.

#Hardware #Computer Science #Performance
The Lycoris Team The Lycoris Team · · 5 min read

Why 0.1 + 0.2 Doesn't Equal 0.3: Floating-Point Explained

Floating-point numbers can't represent most decimals exactly in binary — that's why 0.1 + 0.2 gives 0.30000000000000004, and what IEEE 754 actually stores.

#Hardware #Computer Science #Performance
Chisato Chisato · · 5 min read

Clock Gating vs Power Gating Explained

Clock gating and power gating both cut chip energy use by disabling idle circuit blocks, but one stops the clock while the other cuts power entirely.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is a Side-Channel Attack?

A side-channel attack recovers secrets from a system's physical behavior — timing, power draw, cache access — rather than breaking its algorithm directly.

#Security #Hardware #Cryptography
Chisato Chisato · · 5 min read

NVMe vs SATA SSD: What's the Difference?

NVMe SSDs talk directly over PCIe for massive parallel throughput; SATA SSDs are bottlenecked by an interface built for spinning disks. Here's why it matters.

#Hardware #Storage #Performance
Chisato Chisato · · 4 min read

What Is Semiconductor Yield?

Yield is the share of chips on a wafer that work. It's the single biggest driver of chip cost, and why new process nodes start out expensive.

#Hardware #Semiconductors #Chips
Chisato Chisato · · 5 min read

2.5D vs 3D Chip Packaging Explained

2.5D packaging places dies side by side on an interposer; 3D packaging stacks dies vertically through silicon vias. How advanced packaging works.

#Hardware #Semiconductors #Chips
Chisato Chisato · · 4 min read

How Computer Chips Are Made: Wafer to Package

Chip fabrication turns a silicon wafer into a working processor through photolithography, etching, doping, and packaging — here's the full process.

#Hardware #Semiconductors #Chips
Chisato Chisato · · 4 min read

ASIC vs FPGA: Choosing Custom Silicon

An ASIC is fixed-function silicon built for one job at massive scale; an FPGA is reconfigurable hardware you can rewire after it ships. How to choose.

#Hardware #Chips #Semiconductors
Chisato Chisato · · 4 min read

What Is Silicon Photonics? Optical Chips Explained

Silicon photonics moves data with light instead of electrical signals on standard chip manufacturing lines. How it works and why AI data centers need it.

#Hardware #Chips #Semiconductors
Chisato Chisato · · 4 min read

CPU Instruction Pipelining Explained

Instruction pipelining overlaps a CPU's fetch, decode, and execute stages so multiple instructions are in flight at once. How it works.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

DRAM vs SRAM: How the Two Main Memory Types Differ

DRAM stores each bit as a charge in a capacitor that needs constant refreshing; SRAM stores each bit in a transistor circuit that holds its state.

#Hardware #Computer Science #Chips
Chisato Chisato · · 4 min read

What Is a Hardware Security Module (HSM)?

A hardware security module is a dedicated device that generates, stores, and uses cryptographic keys so private keys never leave secure hardware.

#Security #Cryptography #Hardware
Chisato Chisato · · 4 min read

HBM vs GDDR: Memory Architectures Compared

HBM stacks DRAM vertically next to the chip for extreme bandwidth per watt; GDDR spreads fast chips around the board. How the two approaches differ.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

CUDA Cores vs Tensor Cores: What's the Difference?

CUDA cores handle general parallel math on an NVIDIA GPU; Tensor cores are specialized units built for the matrix multiplies AI models run constantly.

#Hardware #AI #Semiconductors
Chisato Chisato · · 4 min read

What Is Memory-Mapped I/O? MMIO Explained

Memory-mapped I/O maps device registers into the CPU's address space, letting hardware be read and written with ordinary load and store instructions.

#Hardware #Computer Science #Performance
Chisato Chisato · · 5 min read

What Is a Memory Controller?

A memory controller is the circuit that manages every read and write between the CPU and main memory, setting the ceiling on bandwidth and latency.

#Hardware #Chips #Performance
Chisato Chisato · · 4 min read

DDR4 vs DDR5: What Actually Changed

DDR5 raises transfer rates, splits each module into two independent sub-channels, and moves voltage regulation onto the module itself. Here's what that buys you.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

Von Neumann vs Harvard Architecture Explained

Von Neumann shares one memory for code and data; Harvard architecture splits them. How the two computer architectures differ, and where each is used.

#Computer Science #Hardware #Chips
The Lycoris Team The Lycoris Team · · 4 min read

What Is Amdahl's Law? Parallel Speedup Explained

Amdahl's Law says a program's speedup from parallelizing is capped by the fraction that must stay sequential — no matter how many cores you add.

#Computer Science #Hardware #Performance
Chisato Chisato · · 5 min read

Single- vs Dual- vs Quad-Channel Memory Explained

Memory channel configuration multiplies bandwidth between RAM and the CPU. How single-, dual-, and quad-channel setups differ, and why slot order matters.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is a Northbridge and Southbridge? The Chipset

The northbridge and southbridge were the two chips that routed data between a CPU, memory, and peripherals before modern SoCs absorbed their jobs.

#Hardware #Computer Science
The Lycoris Team The Lycoris Team · · 4 min read

What Is Write Amplification? SSDs and Databases

Write amplification is when a system writes more data physically than the logical write requested, wearing out storage faster and hurting throughput.

#Databases #Hardware #Performance
Chisato Chisato · · 4 min read

What Is Virtual Memory? Paging and Address Translation

Virtual memory gives every process its own private address space, mapped to physical RAM by the OS and CPU — enabling isolation, swapping, and overcommit.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

NVLink vs PCIe: GPU Interconnects Explained

NVLink and PCIe both move data to and from GPUs, but NVLink trades PCIe's universality for far higher bandwidth between GPUs specifically.

#Hardware #GPU #AI Infrastructure
Chisato Chisato · · 5 min read

What Is Simultaneous Multithreading (SMT)?

Simultaneous multithreading lets one physical CPU core run two instruction streams at once, filling idle execution units to raise throughput.

#Hardware #Semiconductors #Computer Science
Kurumi Kurumi · · 5 min read

SanDisk Q4 FY2026 Earnings: Revenue, Guidance, HBF

SanDisk's fiscal Q4 2026 revenue jumped 372% to $8.97B with 84.6% gross margin as datacenter NAND booms. Here are the numbers, guidance, and what to watch.

#Markets #Earnings #Hardware
Chisato Chisato · · 5 min read

Cache Coherence and the MESI Protocol, Explained

Cache coherence keeps each CPU core's private cache consistent with the others. The MESI protocol is the classic mechanism that makes it work.

#Hardware #Computer Science #Chips
Chisato Chisato · · 5 min read

What Is Memory Interleaving?

Memory interleaving spreads consecutive addresses across multiple memory banks so the system can access them in parallel instead of one at a time.

#Hardware #Computer Science #Performance
Chisato Chisato · · 5 min read

Big-Endian vs Little-Endian: Byte Order Explained

Endianness decides whether a multi-byte number's most or least significant byte is stored first in memory. Why it matters and how to spot it.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

Speculative Execution Explained: Speed vs Security

Speculative execution lets a CPU guess ahead and run instructions before it knows they're needed, buying speed at the cost of the timing side channels behind Spectre and Meltdown.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

SIMD and Vectorization Explained

SIMD lets a CPU apply one instruction to multiple data points at once. How vectorization works, why compilers auto-vectorize loops, and its limits.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is Thermal Throttling? Why Chips Slow Down

Thermal throttling automatically reduces a chip's clock speed when it gets too hot, trading performance for safety. How it works and how to spot it.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is Thermal Design Power (TDP)?

TDP is the amount of heat a cooling system must dissipate for a chip, not a hard limit on its power draw. Why TDP and actual power draw often diverge.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is an ASIC? Application-Specific Chips Explained

An ASIC is a chip custom-built for one task, trading flexibility for speed and power efficiency. How ASICs differ from GPUs and FPGAs, and when to use one.

#Hardware #Chips #Semiconductors
Chisato Chisato · · 4 min read

China Starts DUV Lithography Mass Production

China has begun limited mass production of home-grown immersion DUV lithography machines, with first units bound for SMIC, Hua Hong and CXMT. What it changes.

#Semiconductors #China #Hardware
Chisato Chisato · · 4 min read

What Is UEFI? How It Replaced BIOS

UEFI is the firmware that initializes hardware and boots the OS on modern computers, replacing BIOS with faster boot times, larger disk support, and Secure Boot.

#Hardware #Computer Science #Security
Chisato Chisato · · 4 min read

What Is CXL (Compute Express Link)?

CXL is an interconnect standard that lets CPUs, GPUs, and memory devices share coherent memory over PCIe, enabling memory pooling and expansion.

#Hardware #Chips #Cloud
Chisato Chisato · · 4 min read

What Is NUMA? Non-Uniform Memory Access Explained

NUMA gives each CPU its own local memory bank, so access speed depends on which processor is asking. How NUMA nodes and remote access latency work.

#Hardware #Computer Science #Performance
Chisato Chisato · · 5 min read

What Is RAID? RAID Levels Explained

RAID combines multiple drives into one logical unit for redundancy, speed, or both. How RAID 0, 1, 5, 6, and 10 trade off capacity, speed, and safety.

#Hardware #Storage #Performance
Chisato Chisato · · 4 min read

What Is PCIe? The GPU and SSD Connection

PCIe (PCI Express) is the high-speed serial bus connecting GPUs, SSDs, and network cards to a CPU. How lanes, generations, and bandwidth work.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

SSD vs HDD: How Storage Actually Differs

SSDs store data in flash memory chips with no moving parts; HDDs use spinning magnetic platters. How that difference plays out in speed, cost, and durability.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

Memory Bandwidth vs Latency: What Slows a Chip

Bandwidth measures how much data memory moves per second; latency measures how long one access takes. Why chips need both, not just one.

#Hardware #Computer Science #Performance
The Lycoris Team The Lycoris Team · · 4 min read

What Is a Quantum Computer? Qubits Explained

A quantum computer uses qubits in superposition and entanglement to explore many possible states at once, rather than one bit value at a time.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is ECC Memory? Error-Correcting Code RAM Explained

ECC memory detects and corrects single-bit errors in RAM automatically, using extra parity bits — critical for servers where silent corruption is costly.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

DDR vs GDDR Memory: What's the Difference?

DDR and GDDR are both DRAM, but optimized for opposite goals: DDR minimizes latency for CPUs, GDDR maximizes bandwidth for GPUs. Here's how they diverge.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is a DPU (Data Processing Unit)?

A DPU is a specialized chip that offloads networking, storage, and security tasks from the CPU. How data processing units fit alongside CPUs and GPUs.

#Hardware #Chips #Performance
Chisato Chisato · · 4 min read

What Is a Semiconductor Process Node?

A process node like '5nm' or '3nm' names a chipmaker's manufacturing generation, not a literal measurement anymore. Here's what the number means.

#Hardware #Chips #Performance
Kurumi Kurumi · · 5 min read

Intel Ships First High-Volume High-NA EUV Chips

Intel is the first to mass-produce logic chips on ASML's High-NA EUV, dual-qualifying select 18A Panther Lake layers. Here's what shipped and why it matters.

#Semiconductors #Intel #ASML
Chisato Chisato · · 4 min read

What Is a TPM? Trusted Platform Module Explained

A TPM is a dedicated chip that generates and stores cryptographic keys in hardware, isolated from the operating system. Here's what it actually does.

#Security #Hardware #Authentication
Chisato Chisato · · 4 min read

What Is a System on Chip (SoC)? Hardware Explained

A system on chip packs a CPU, GPU, memory controller, and other components onto one die — the design behind phones, laptops, and most modern chips.

#Hardware #Chips #Performance
Chisato Chisato · · 5 min read

ARM vs x86: CPU Architecture Compared

ARM and x86 are the two dominant CPU instruction set architectures — how RISC vs CISC design differs and why it affects power and performance.

#Hardware #Chips #Performance
Chisato Chisato · · 4 min read

SRAM vs DRAM: Why Chips Use Both

SRAM is fast, expensive, six-transistor memory used for CPU caches; DRAM is slower, cheaper, one-transistor memory used for main system memory.

#Hardware #Computer Science #Performance
Chisato Chisato · · 4 min read

What Is an FPGA? Reconfigurable Chips Explained

An FPGA is a chip whose logic circuits can be reconfigured after manufacturing, sitting between fixed-function ASICs and general-purpose CPUs in flexibility.

#Hardware #Chips #Performance
Chisato Chisato · · 5 min read

What Is a Chiplet? Modular Chip Design Explained

A chiplet is a small, self-contained die that's packaged together with others to form one chip. How chiplets work and why the industry moved to them.

#Hardware #Semiconductors #Performance
Chisato Chisato · · 4 min read

What Is Moore's Law? Chip Scaling, Explained

Moore's Law is the observation that transistor density on a chip roughly doubles every couple of years. Why it drove decades of gains, and why it's slowing.

#Hardware #Chips #Computer Science
Chisato Chisato · · 4 min read

CPU vs GPU vs TPU: What's the Difference?

CPUs excel at sequential logic, GPUs at parallel math, and TPUs at the specific matrix operations behind neural networks. Here's how they compare.

#Hardware #AI #Performance
Kurumi Kurumi · · 4 min read

The Economics of a Humanoid Robot

Humanoid robots are arriving with $20,000 price tags and rental plans. What a robot worker really costs to build and run — and when it beats a human wage.

#AI #Markets #Hardware
Kurumi Kurumi · · 3 min read

The AI Capex Boom: Why Hyperscalers Keep Spending

Hyperscalers are pouring record sums into AI data centers, chips, and power. What's driving the capex boom, who profits, and the risk if demand stalls.

#AI #Markets #Hardware
Chisato Chisato · · 4 min read

What Is an NPU? The AI Chip Inside Your Next Laptop

An NPU is a processor built for one job: running AI models fast at very low power. What TOPS numbers actually mean and why every new laptop ships with one.

#Hardware #AI #Performance
Kurumi Kurumi · · 2 min read

Why Micron Stock Keeps Swinging in 2026

Micron has whipsawed in 2026 — record highs on AI memory demand, sharp drops on rate fears, AI-capex doubts, and a Google compression breakthrough. What's moving it.

#AI #Hardware #Markets
Kurumi Kurumi · · 3 min read

Micron and Anthropic Strike a Four-Pillar AI Deal

Micron and Anthropic signed a four-pillar agreement — memory co-design, a multi-year supply deal, Claude adoption, and a Series H investment. Here's what it means.

#AI #Hardware #Anthropic
Kurumi Kurumi · · 6 min read

The AI Memory Supercycle, Explained

The AI memory supercycle, explained: why HBM demand outran supply, how DRAM pricing turned, what could end the boom, and what it means for chip stocks.

#AI #Hardware #Markets
The Lycoris Team The Lycoris Team · · 3 min read

China Unveils a $295 Billion AI Infrastructure Plan

China unveiled a $295 billion, five-year national AI infrastructure plan — one of the largest state AI commitments ever. Here's the scale and the strategic stakes.

#AI #Hardware #Cloud
Chisato Chisato · · 3 min read

What Is a GPU? Why AI Runs on Graphics Chips

A GPU packs thousands of small cores built for parallel arithmetic. Originally for graphics, it's now the engine behind training and running AI models.

#Hardware #AI #Machine Learning
Chisato Chisato · · 3 min read

What Is HBM? High-Bandwidth Memory, Explained

High-Bandwidth Memory stacks DRAM dies vertically beside the processor, delivering far more bandwidth than DDR5 or GDDR — and AI hardware depends on it.

#Hardware #AI #Performance
Kurumi Kurumi · · 2 min read

The HBM4 Supply Race: Who Gets to Feed NVIDIA

Samsung, SK Hynix, and Micron are racing to mass-produce HBM4 and win NVIDIA's orders. Inside the next phase of the memory supercycle — and who's ahead.

#AI #Hardware #Markets
Chisato Chisato · · 2 min read

AMD's MI400 Takes Aim at NVIDIA in 2026

AMD's Instinct MI400 brings 432GB of HBM4 and a full-rack Helios system to challenge NVIDIA in 2026. Here's what the MI455X packs and why it matters.

#Hardware #AI #Performance
Chisato Chisato · · 2 min read

OpenAI and NVIDIA Plan 10 Gigawatts of AI Compute

OpenAI and NVIDIA unveiled a landmark deal: at least 10 gigawatts of NVIDIA systems and up to $100 billion in investment, starting on the Vera Rubin platform.

#AI #Hardware #Cloud
Chisato Chisato · · 2 min read

NVIDIA's Rubin: Six Chips, One AI Supercomputer

NVIDIA unveiled Vera Rubin — a platform of six new chips designed to work as a single AI supercomputer — while its Vera CPU enters full production. What's coming.

#AI #Hardware #Performance
The Lycoris Team The Lycoris Team · · 6 min read

What Is RISC-V? The Open Instruction Set, Explained

RISC-V is a free, open instruction set architecture anyone can implement without royalties. How it works, why it matters, and where it's already winning.

#Hardware #Open Source #Programming Languages

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