EPYC 7C13
EPYC 7643P
EPYC 7C13 vs EPYC 7643P Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
EPYC 7C13 vs EPYC 7643P FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 7C13 vs EPYC 7643P: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 7C13
2021Why buy it
- ✅Costs $722 less on MSRP ($2,000 MSRP vs $2,722 MSRP).
- ✅Delivers 34.4% more PassMark for each dollar spent, at 38.2 vs 28.4 PassMark/$ ($2,000 MSRP vs $2,722 MSRP).
Trade-offs
- ❌Lower PassMark (76,363 vs 77,307).
EPYC 7643P
2023Why buy it
- ✅+1.2% higher PassMark.
Trade-offs
- ❌Lower PassMark per dollar, at 28.4 vs 38.2 PassMark/$ ($2,722 MSRP vs $2,000 MSRP).
Quick Answers
So, is EPYC 7643P better than EPYC 7C13?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 7C13 vs EPYC 7643P Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 7C13
The EPYC 7C13 is manufactured by AMD. It was released in 2021-03-01. It is based on the Milan (2021−2023) architecture. It features 64 cores and 128 threads. Base frequency is 2 GHz, with boost up to 3.68 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 76,363 points. Launch price was $5,000.
EPYC 7643P
The EPYC 7643P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 77,307 points. Launch price was $2,722.
Processing Power
The EPYC 7C13 packs 64 cores / 128 threads, while the EPYC 7643P offers 48 cores / 96 threads — the EPYC 7C13 has 16 more cores. Boost clocks reach 3.68 GHz on the EPYC 7C13 versus 3.6 GHz on the EPYC 7643P — a 2.2% clock advantage for the EPYC 7C13 (base: 2 GHz vs 2.3 GHz). Both are built on the Milan (2021−2023) architecture using a 7 nm process. In PassMark, the EPYC 7C13 scores 76,363 against the EPYC 7643P's 77,307 — a 1.2% lead for the EPYC 7643P. Both processors carry 256 MB (total) of L3 cache.
| Feature | EPYC 7C13 | EPYC 7643P |
|---|---|---|
| Cores / Threads | 64 / 128+33% | 48 / 96 |
| Boost Clock | 3.68 GHz+2% | 3.6 GHz |
| Base Clock | 2 GHz | 2.3 GHz+15% |
| L3 Cache | 256 MB (total) | 256 MB (total) |
| L2 Cache | 512 kB (per core) | 512 kB (per core) |
| Process | 7 nm | 7 nm |
| Architecture | Milan (2021−2023) | Milan (2021−2023) |
| PassMark | 76,363 | 77,307+1% |
| Geekbench 6 Single | 1,538 | — |
| Geekbench 6 Multi | 37,000 | — |
Memory & Platform
Both processors use the SP3 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7C13) and SP3 (EPYC 7643P).
| Feature | EPYC 7C13 | EPYC 7643P |
|---|---|---|
| Socket | SP3 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | 3200 |
| Max RAM Capacity | 4096 GB | 4096 GB |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (EPYC 7C13) vs VT-x, VT-d, SEV (EPYC 7643P). Primary use case: EPYC 7C13 targets Enterprise Server. Direct competitor: EPYC 7C13 rivals Xeon Platinum 8380; EPYC 7643P rivals Xeon Platinum 8380.
| Feature | EPYC 7C13 | EPYC 7643P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d, SEV |
| Target Use | Enterprise Server | — |
Value Analysis
At launch, the EPYC 7C13 was priced at $2000, while the EPYC 7643P came in at $2722. On launch pricing ($2000 vs $2722), EPYC 7C13 was $722 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7C13 delivers 38.2 pts/$ vs 28.4 pts/$ for the EPYC 7643P — making the EPYC 7C13 the 29.4% better value option.
| Feature | EPYC 7C13 | EPYC 7643P |
|---|---|---|
| MSRP | $2000-27% | $2722 |
| Performance per Dollar | 38.2+35% | 28.4 |
| Release Date | 2021 | 2023 |
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