Blog

Hardware Insights

Build guides, component deep-dives, and the latest from the PC hardware world.

Latest Articles

May 2, 20263 min read

Best 1200W Power Supply: Why We Won't Put an RTX 5090 on Anything Under 1200W

Looking for the best 1200W power supply for your RTX 5090 build or dual-GPU workstation? We tested four 1200W units under sustained multi-GPU loads and ranked them by voltage stability, noise, connectors, and warranty.

Read article

Best AMD vs Best NVIDIA GPU for Local LLMs: Where AMD Wins, and Where CUDA Still Controls the Market

GPU

Apr 24, 2026

Best AMD vs Best NVIDIA GPU for Local LLMs: Where AMD Wins, and Where CUDA Still Controls the Market

AMD vs NVIDIA for local LLMs: RX 7900 XTX (24 GB, ROCm) vs RTX 5090 (32 GB, CUDA) and RTX 4090 (24 GB, CUDA). Software ecosystem, VRAM, bandwidth, and which to choose.

Read article

Can Your GPU Run It? VRAM Compatibility Checker for 80+ LLMs

GPU

Apr 22, 2026

Can Your GPU Run It? VRAM Compatibility Checker for 80+ LLMs

Check whether your GPU has enough VRAM to run any major LLM. Cross-reference RTX 5090, RTX 4090, RTX 3090, RX 7900 XTX, and other popular cards against model requirements at every quantization level.

Read article

Used RTX 3090 vs New Midrange GPU for Local LLMs: Why the 3090 Wins on Value

GPU

Apr 21, 2026

Used RTX 3090 vs New Midrange GPU for Local LLMs: Why the 3090 Wins on Value

Used RTX 3090 vs new midrange GPU (RTX 4070 Ti Super) for local LLMs: 24 GB used vs 16 GB new, ~$450 vs ~$800. VRAM vs warranty — which matters more for inference?

Read article

RTX 5080 vs Used RTX 4090 for Local LLMs: New Warranty or 24 GB Model Headroom

GPU

Apr 18, 2026

RTX 5080 vs Used RTX 4090 for Local LLMs: New Warranty or 24 GB Model Headroom

RTX 5080 vs used RTX 4090 for local LLMs: 16 GB GDDR7 vs 24 GB GDDR6X, $999 new vs ~$1,200 used. Which delivers the better LLM experience?

Read article

RX 7900 XTX vs RTX 4090 for Local LLMs: Same VRAM, Different Software Reality

GPU

Apr 15, 2026

RX 7900 XTX vs RTX 4090 for Local LLMs: Same VRAM, Different Software Reality

RX 7900 XTX vs RTX 4090 for local LLMs: 24 GB vs 24 GB, ROCm vs CUDA, $750 new vs ~$1,200 used. Which 24 GB card is right for your LLM workload?

Read article

Quantization vs VRAM: Exactly How Much Memory Each Level Saves

GPU

Apr 14, 2026

Quantization vs VRAM: Exactly How Much Memory Each Level Saves

Q2_K through FP16 — every quantization level compared with actual VRAM savings. See the real numbers for Llama 3.1 8B, 70B, and other popular models at each quantization tier.

Read article

RTX 5090 vs RTX 4090 for Local LLMs: When Paying $800 More Is Justified

GPU

Apr 12, 2026

RTX 5090 vs RTX 4090 for Local LLMs: When Paying $800 More Is Justified

RTX 5090 vs RTX 4090 for local LLMs: 32 GB GDDR7 vs 24 GB GDDR6X, 1,792 vs 1,008 GB/s bandwidth. Which is better for your inference workload and budget?

Read article

Best NVIDIA GPU for Local LLMs: Clear Picks by VRAM, Budget, and Workflow

GPU

Apr 9, 2026

Best NVIDIA GPU for Local LLMs: Clear Picks by VRAM, Budget, and Workflow

The best NVIDIA GPUs for local LLMs ranked: RTX 5090 (32 GB), RTX 5080 (16 GB), used RTX 4090 (24 GB), used RTX 3090 (24 GB), RTX 4070 Ti Super (16 GB). CUDA advantage explained.

Read article

KV Cache Explained: Why Context Length Eats Your VRAM

GPU

Apr 5, 2026

KV Cache Explained: Why Context Length Eats Your VRAM

The KV cache is the hidden VRAM cost most people ignore. Learn how key-value caching works, why it scales with context length, and how to calculate its memory impact for any LLM.

Read article