M3 vs M4
l3 cache을 나란히 비교합니다.
l3 cache 이해하기
CPU cache sits between the cores and main memory (DRAM), buffering data the cores will likely need next.
Hierarchy
- L1 — 32–64 KB per core, ~1 ns access.
- L2 — 512 KB–2 MB per core, ~3 ns.
- L3 — 8–192 MB shared, ~12 ns.
- DRAM — gigabytes, ~80 ns.
Why it matters
A workload that fits in L3 runs 5–10× faster than one that spills to DRAM. AMD's X3D parts (Ryzen 7800X3D, 9800X3D, 9950X3D) stack 64–96 MB of extra cache — the gaming-best CPUs of their generation, frequently 15–25% faster than non-X3D siblings in CPU-bound titles.
Cache vs clock
For gaming, cache often beats raw clock speed. For sustained multithreaded workloads, clocks and core count win.
이 매치업In this spec, M3 and M4 are effectively tied at 16MB — buyers can treat them as equivalent on l3 cache alone.
cache이란?
Small, fast memory inside a CPU that stores recently-used data and instructions. L1 is fastest and smallest; L3 is largest and shared across cores. Cache size meaningfully impacts gaming and database workloads.
Cache 전체 설명 읽기 →이 비교의 다른 스펙
전체 CPU 카테고리를 Mars Score 순위로 확인하세요.