Author: Raman Kumar

Raman Kumar is a semiconductor engineer and technology writer specializing in AI hardware, smartphones, tablets, and emerging technologies. Through Giznova, he publishes research-driven articles that explain how neural processing units (NPUs), AI PCs, mobile chipsets, and on-device AI technologies work in real-world devices. His focus is on helping readers understand technical concepts through practical examples, performance analysis, and everyday use cases.

How to Fix Ollama on a Low-Spec Laptop: RAM, VRAM, and Model Size Fixes

If you are trying to fix Ollama on a low-spec laptop, the problem may appear even when Ollama installs correctly and loads the model. Replies can take too long, RAM usage may stay near full, or the whole system may…

Can My Laptop Run Offline AI Models? What Specs You Actually Need in 2026

If you've been shopping for a new laptop recently, you've probably noticed something changing. Product pages are no longer talking only about processors, RAM, and battery life. Instead, almost every major brand now highlights AI capabilities, dedicated NPUs, Copilot+ features,…

NPU TOPS Explained: Does 40, 50, or 80 TOPS Really Matter?

In this NPU TOPS explained guide, we'll look beyond the marketing and explain what the TOPS number actually means, how it affects AI laptops and smartphones, and whether paying more for a higher TOPS rating is worth it. Buying an…

Why TOPS Doesn’t Matter: How to Choose the Right Edge AI Chip for Wearables

A few months ago, if someone had asked me to compare AI chips for wearables, I probably would have started with the biggest TOPS number on the spec sheet. That's what most product launches highlight, and it's easy to assume…

Why On-Device AI Feels Faster Than Cloud AI

Why on-device AI feels faster than cloud AI isn't just about processing power. It comes down to latency, network delays, dedicated AI hardware, and how modern devices execute AI workloads. AI features on modern smartphones and AI PCs can feel…

What Makes an AI Phone Actually Useful in 2026? Here’s What Really Matters Before You Buy

Buying a new smartphone in 2026 isn't as straightforward as it used to be. A few years ago, most people compared phones based on the camera, battery life, display quality, or processor. While those things are still important, there's now…

AI PC Features That Matter in 2026: What Actually Helps and What Is Mostly Marketing?

AI PCs are everywhere in 2026. Whether you're looking at the latest Lenovo Yoga Slim 7x, Microsoft Surface Laptop, Samsung Galaxy Book5 Pro, ASUS Zenbook A14, or Apple's MacBook Air M4, you'll see terms like AI PC, Copilot+ PC, NPU,…

Best AI Tablets in 2026: NPU Performance Rankings Explained

The best AI tablets in 2026 are no longer defined solely by display quality or processor speed. Modern tablets increasingly rely on dedicated Neural Processing Units (NPUs) to power AI features such as note summarization, image generation, translation, and intelligent…

Best AI Phones in 2026: Which AI Features Are Actually Useful?

Artificial intelligence has become one of the biggest reasons people upgrade their smartphones. Every major brand now talks about AI, whether it's Samsung's Galaxy AI, Apple's Apple Intelligence, Google's Gemini Nano, or Xiaomi's HyperAI platform. But there is one problem.…

Galaxy AI vs Apple Intelligence: Which AI Ecosystem Is Better in 2026?

Galaxy AI vs. Apple Intelligence is becoming one of the biggest topics of discussion in the smartphone industry. A few years ago, most people compared phones based on camera quality, battery life, and performance. Today, artificial intelligence has become another…

Why Noise Cancellation Gets Worse When You Move — The AI Limit No One Talks About

Have you ever noticed your noise cancellation working perfectly at the start of a workout — but getting worse as you move more? This is a common issue many people experience. At first, your earbuds block out surrounding noise effectively.…

Why AI Video Recording Drains Battery 3x Faster Than Regular Recording in Smartphones

Why does AI Video Recording drain battery 3X faster than the Normal Recording app in a Smartphone?What Is Happening Inside the SmartphoneReal-World Example of an AI Video Recording Application's FeaturesWhat Users Actually ExperienceWhat This Means in Daily UseLimitationsWhy It MattersWhat…