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RAM, SSD, CPU, GPU: a laptop spec sheet decoded
What each line on a laptop's spec sheet means, and which ones you should spend extra on.
Laptop listings are dense with abbreviations. Here is what each part does, in the order it usually affects your day.
Processor (CPU)
The CPU runs almost everything. Model names change every year, so compare generation (newer is usually more efficient) and tier (entry, mid, high). For documents, browsing and video calls, a recent mid-tier chip is more than enough. Heavier work — compiling code, editing video — benefits from more cores.
Memory (RAM)
RAM holds what you are working on right now: open apps and browser tabs. Too little, and the laptop slows down as it shuffles data to storage. 8 GB is the minimum, 16 GB is comfortable, and 32 GB is for video editing, large datasets or virtual machines. On many thin laptops RAM cannot be upgraded later, so buy enough up front.
Storage (SSD)
An SSD makes the whole laptop feel fast — boot time, app launches, file searches. NVMe SSDs are faster than older SATA ones. Capacity matters too: the operating system and updates alone can take a large chunk of a 256 GB drive.
Graphics (GPU)
Integrated graphics are built into the processor and handle everyday work, video playback and light photo editing. A dedicated GPU is needed for gaming, 3D work and some engineering software — at the cost of weight, heat and battery life.
Display
Check resolution (full HD minimum), brightness (300 nits or more is comfortable indoors) and panel type. IPS and OLED panels have better colours and viewing angles than TN panels. A higher refresh rate (90–120 Hz) makes scrolling smoother.
Battery
Manufacturer claims are measured in ideal conditions. Look for independent battery tests with web browsing or video playback.
Ports and wireless
USB-C with charging support, at least one USB-A port, HDMI and a headphone jack cover most needs. Wi-Fi 6 or newer is worth having.
Where to spend extra
In order: RAM, SSD capacity, screen quality, then processor. Most people feel those first three every day; a top processor mostly matters for specialist work.