PROCESSOR
CPU Core
L1 Cache
64 KB
~4 cycles
L2 Cache
512 KB
~12 cycles
L3 Cache
32 MB
~40 cycles
RAM (DDR5)
32 GB
~200 cycles
SSD (NVMe)
1 TB
~50,000 cycles
D
0
0
Total Cycles
0
Cache Hits
0
Cache Misses
--%
Hit Rate
Memory Request
1x
Scenarios
L1 Cache Contents
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Empty
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Empty
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Empty
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Empty
Latency Comparison
If L1 = 1 second, RAM = 50 seconds, SSD = 3.5 hours
💥 HOLY SHIT MOMENT
"Your CPU is 1,000× faster than your RAM. Physics won't let us have memory that's both fast AND large — so we layer caches between them."