CPU database reference
Verified catalog recordAMD EPYC 7643
AMD · AMD EPYC 7643
AMD EPYC 7643 processor reference with normalized architecture, compute, clocks, cache, memory, PCIe, power, and platform specifications.
- Cores / threads
- 48 / 96
- Max boost
- 3.60 GHz
- Socket
- SP3
- Default TDP
- 225 W
Benchmark
Measured performance reference
Benchmark results are comparable only within the exact same test. They do not represent total product quality.
Cinebench R23 Multi
CPU multi-core rendering benchmark
#76 of 654
Rank among CPUs with a Cinebench R23 Multi score in the CTT dataset.
Technical data
Specifications
Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.
Overview
| Manufacturer | AMD |
|---|---|
| Launch date | 2021-03-15 |
| Market segment | server |
Architecture
| Architecture | Zen 3 |
|---|---|
| CPU process | TSMC N7 |
Compute
| Cores | 48 |
|---|---|
| Threads | 96 |
Clocks
| Base clock | 2.30 GHz |
|---|---|
| Maximum boost clock | 3.60 GHz |
Cache
| L3 cache | 256 MB |
|---|
Memory
| Memory support | DDR4 |
|---|---|
| Memory specification | Up to 3200MHz |
| Memory channels | 8 |
PCIe / I/O
| PCI Express | PCIe 4.0 |
|---|
Power
| Default TDP | 225 W |
|---|
Platform
| Socket | SP3 |
|---|
Hardware navigation
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Bounded links selected from structured family, platform, generation, and architecture fields—not model-number proximity.
Sources
Specification provenance
No public source record is available.
Related
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