Part of the Best 10 Singapore Glossary › Tech & Gadgets › CPU
A CPU (Central Processing Unit) is the primary processor of a computer — often called the “brain” of the machine. It executes instructions from programs, manages system operations, and coordinates every other component.
CPU vs Other Components
| Component | Role |
|---|---|
| CPU | General computing — runs your OS, apps, and logic |
| GPU | Graphics rendering — gaming, video, 3D work |
| RAM | Short-term memory — data the CPU is actively using |
| SSD/HDD | Long-term storage — files, apps, OS |
Used CPU Combo Prices in Singapore (April 2026)
| Bundle | Source | Price (SGD) |
|---|---|---|
| Ryzen 5 5600 + B550M + 16GB DDR4 | Carousell | ~$280–$320 |
| Ryzen 9 5900X + B550M + 24GB DDR4 | Carousell | ~$450 |
| i5-14400F + B660M + 32GB DDR4 | Carousell | ~$650 |
📖 Deep dive articles:
How Students Build Custom Gaming PCs on a Budget →
Cheapest Custom Gaming PC Builder in Singapore →
How Much RAM Do You Need? →
SSD vs HDD Guide →
Thermal Throttling Explained →
How Students Build Custom Gaming PCs on a Budget →
Cheapest Custom Gaming PC Builder in Singapore →
How Much RAM Do You Need? →
SSD vs HDD Guide →
Thermal Throttling Explained →
Related Glossary Terms
What is a GPU? →
What is RAM? →
What is Thermal Paste? →
What is Thermal Throttling? →
