F·19COMPUTER SCIENCE2025.02.061 MIN READ
Single-Core vs Multi-Core: Are More Cores Always Faster? (Deep Dive)
싱글코어 vs 멀티코어: 코어가 많으면 무조건 빠를까? (완전정복)
Does 8 cores mean 8x faster? From Amdahl's Law to concurrency vs parallelism, hyper-threading, and why Chrome eats so much RAM.
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codemapo
INTERDISCIPLINARY DEV · SEOUL
8. Summary Table
| Feature | Single Core | Multi Core | Hyper-Threading |
|---|
| Analogy | 1 Genius Chef | 4 Regular Chefs | 1 Chef with VERY fast hands |
| Strength | Sequential Tasks | Mass Parallel Tasks | Cost Efficiency |
| Weakness | No Multi-tasking | Needs Software Support | Slower than true Cores |
| Risk | None | Deadlocks, Race Conditions | Cache Thrashing |
| OS View | 1 CPU | N CPUs | 2 CPUs (Logical) |
| Law | Moore's Law | Amdahl's Law | - |