
EPYC 7643
Popular choices:

Xeon 6730P
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Performance Spectrum - CPU
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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
EPYC 7643
2021Why buy it
- ✅+2.6% higher PassMark.
- ✅Draws 225W instead of 250W, a 25W reduction.
- ✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6730P across 3 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 15.2 vs 19.9 PassMark/$ ($4,995 MSRP vs $3,726 MSRP).
- ❌Older platform position on SP3 with DDR4, while Xeon 6730P moves to LGA4710 and DDR5.
Xeon 6730P
2025Why buy it
- ✅Better for gaming: +5.4% higher average FPS across 3 shared CPU benchmark tests.
- ✅Costs $1,269 less on MSRP ($3,726 MSRP vs $4,995 MSRP).
- ✅Delivers 30.6% more PassMark for each dollar spent, at 19.9 vs 15.2 PassMark/$ ($3,726 MSRP vs $4,995 MSRP).
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Lower PassMark (74,113 vs 76,050).
EPYC 7643
2021Xeon 6730P
2025Why buy it
- ✅+2.6% higher PassMark.
- ✅Draws 225W instead of 250W, a 25W reduction.
- ✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.
Why buy it
- ✅Better for gaming: +5.4% higher average FPS across 3 shared CPU benchmark tests.
- ✅Costs $1,269 less on MSRP ($3,726 MSRP vs $4,995 MSRP).
- ✅Delivers 30.6% more PassMark for each dollar spent, at 19.9 vs 15.2 PassMark/$ ($3,726 MSRP vs $4,995 MSRP).
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6730P across 3 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 15.2 vs 19.9 PassMark/$ ($4,995 MSRP vs $3,726 MSRP).
- ❌Older platform position on SP3 with DDR4, while Xeon 6730P moves to LGA4710 and DDR5.
Trade-offs
- ❌Lower PassMark (74,113 vs 76,050).
Quick Answers
So, is Xeon 6730P better than EPYC 7643?
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?
Games Benchmarks
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2
| Preset | EPYC 7643 | Xeon 6730P |
|---|---|---|
| 1080p | ||
| low | 195 FPS | 187 FPS |
| medium | 159 FPS | 165 FPS |
| high | 129 FPS | 131 FPS |
| ultra | 100 FPS | 106 FPS |
| 1440p | ||
| low | 160 FPS | 155 FPS |
| medium | 125 FPS | 131 FPS |
| high | 97 FPS | 100 FPS |
| ultra | 77 FPS | 82 FPS |
| 4K | ||
| low | 72 FPS | 70 FPS |
| medium | 60 FPS | 63 FPS |
| high | 47 FPS | 49 FPS |
| ultra | 39 FPS | 40 FPS |

Counter-Strike 2
| Preset | EPYC 7643 | Xeon 6730P |
|---|---|---|
| 1080p | ||
| low | 418 FPS | 520 FPS |
| medium | 367 FPS | 460 FPS |
| high | 299 FPS | 376 FPS |
| ultra | 234 FPS | 309 FPS |
| 1440p | ||
| low | 344 FPS | 425 FPS |
| medium | 310 FPS | 383 FPS |
| high | 259 FPS | 321 FPS |
| ultra | 197 FPS | 256 FPS |
| 4K | ||
| low | 211 FPS | 262 FPS |
| medium | 194 FPS | 239 FPS |
| high | 163 FPS | 212 FPS |
| ultra | 131 FPS | 176 FPS |

League of Legends
| Preset | EPYC 7643 | Xeon 6730P |
|---|---|---|
| 1080p | ||
| low | 837 FPS | 849 FPS |
| medium | 698 FPS | 768 FPS |
| high | 650 FPS | 730 FPS |
| ultra | 574 FPS | 641 FPS |
| 1440p | ||
| low | 602 FPS | 737 FPS |
| medium | 500 FPS | 662 FPS |
| high | 458 FPS | 626 FPS |
| ultra | 401 FPS | 558 FPS |
| 4K | ||
| low | 430 FPS | 493 FPS |
| medium | 336 FPS | 402 FPS |
| high | 300 FPS | 364 FPS |
| ultra | 243 FPS | 303 FPS |

Valorant
| Preset | EPYC 7643 | Xeon 6730P |
|---|---|---|
| 1080p | ||
| low | 977 FPS | 980 FPS |
| medium | 887 FPS | 883 FPS |
| high | 764 FPS | 763 FPS |
| ultra | 660 FPS | 659 FPS |
| 1440p | ||
| low | 752 FPS | 801 FPS |
| medium | 656 FPS | 698 FPS |
| high | 561 FPS | 601 FPS |
| ultra | 482 FPS | 514 FPS |
| 4K | ||
| low | 540 FPS | 575 FPS |
| medium | 481 FPS | 516 FPS |
| high | 422 FPS | 458 FPS |
| ultra | 364 FPS | 395 FPS |
Technical Specifications
Side-by-side comparison of EPYC 7643 and Xeon 6730P

EPYC 7643
EPYC 7643
The EPYC 7643 is manufactured by AMD. It was released in 15 March 2021 (4 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: DDR4-3200. Passmark benchmark score: 76,050 points. Launch price was $4,995.

Xeon 6730P
Xeon 6730P
The Xeon 6730P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 32 cores and 64 threads. Base frequency is 2.5 GHz, with boost up to 3.8 GHz. L3 cache: 288 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 250 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 74,113 points. Launch price was $3,726.
Processing Power
The EPYC 7643 packs 48 cores / 96 threads, while the Xeon 6730P offers 32 cores / 64 threads — the EPYC 7643 has 16 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643 versus 3.8 GHz on the Xeon 6730P — a 5.4% clock advantage for the Xeon 6730P (base: 2.3 GHz vs 2.5 GHz). The EPYC 7643 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon 6730P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7643 scores 76,050 against the Xeon 6730P's 74,113 — a 2.6% lead for the EPYC 7643. L3 cache: 256 MB (total) on the EPYC 7643 vs 288 MB (total) on the Xeon 6730P.
| Feature | EPYC 7643 | Xeon 6730P |
|---|---|---|
| Cores / Threads | 48 / 96+50% | 32 / 64 |
| Boost Clock | 3.6 GHz | 3.8 GHz+6% |
| Base Clock | 2.3 GHz | 2.5 GHz+9% |
| L3 Cache | 256 MB (total) | 288 MB (total)+13% |
| L2 Cache | 512 kB (per core) | 2 MB (per core)+300% |
| Process | 7 nm+ | Intel 3 nm-57% |
| Architecture | Milan (2021−2023) | Granite Rapids (2024−2025) |
| PassMark | 76,050+3% | 74,113 |
| Geekbench 6 Single | 1,671 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
The EPYC 7643 uses the SP3 socket (PCIe 4.0), while the Xeon 6730P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7643 versus 6400 on the Xeon 6730P — the Xeon 6730P supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6730P supports up to 4096 of RAM compared to 4 TB — 199.6% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643) vs 80 (Xeon 6730P) — the EPYC 7643 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643) and C741 (Xeon 6730P).
| Feature | EPYC 7643 | Xeon 6730P |
|---|---|---|
| Socket | SP3 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | 6400+159900% |
| Max RAM Capacity | 4 TB+104857500% | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Only the Xeon 6730P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7643) vs VT-x, VT-d, TDX (Xeon 6730P). Primary use case: EPYC 7643 targets Server. Direct competitor: EPYC 7643 rivals EPYC 7443P; Xeon 6730P rivals EPYC 9354.
| Feature | EPYC 7643 | Xeon 6730P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d, TDX |
| Target Use | Server | — |
Value Analysis
The EPYC 7643 launched at $4995 MSRP, while the Xeon 6730P debuted at $3726. On MSRP ($4995 vs $3726), the Xeon 6730P is $1269 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643 delivers 15.2 pts/$ vs 19.9 pts/$ for the Xeon 6730P — making the Xeon 6730P the 26.6% better value option.
| Feature | EPYC 7643 | Xeon 6730P |
|---|---|---|
| MSRP | $4995 | $3726-25% |
| Performance per Dollar | 15.2 | 19.9+31% |
| Release Date | 2021 | 2025 |
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