EPYC 7643P
Xeon 6737P
EPYC 7643P vs Xeon 6737P 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 7643P vs Xeon 6737P 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 7643P vs Xeon 6737P: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 7643P
2023Why buy it
- ✅+77.8% larger total L3 cache (256 MB vs 144 MB).
- ✅Costs $2,273 less on MSRP ($2,722 MSRP vs $4,995 MSRP).
- ✅Delivers 78.1% more PassMark for each dollar spent, at 28.4 vs 15.9 PassMark/$ ($2,722 MSRP vs $4,995 MSRP).
- ✅Draws 225W instead of 270W, a 45W reduction.
- ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6737P across 50 shared CPU benchmark tests.
- ❌Lower PassMark (77,307 vs 79,634).
- ❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.
Xeon 6737P
2025Why buy it
- ✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
- ✅AVX-512 support for select workstation, AI, and scientific workloads.
Trade-offs
- ❌Smaller total L3 cache (144 MB vs 256 MB).
- ❌Lower PassMark per dollar, at 15.9 vs 28.4 PassMark/$ ($4,995 MSRP vs $2,722 MSRP).
- ❌20% higher power demand at 270W vs 225W.
Quick Answers
So, is Xeon 6737P better than EPYC 7643P?
Which one is better for gaming?
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 7643P vs Xeon 6737P Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
Xeon 6737P
The Xeon 6737P 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 2.9 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 270 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 79,634 points. Launch price was $4,995.
Processing Power
The EPYC 7643P packs 48 cores / 96 threads, while the Xeon 6737P offers 32 cores / 64 threads — the EPYC 7643P has 16 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643P versus 4 GHz on the Xeon 6737P — a 10.5% clock advantage for the Xeon 6737P (base: 2.3 GHz vs 2.9 GHz). The EPYC 7643P uses the Milan (2021−2023) architecture (7 nm), while the Xeon 6737P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7643P scores 77,307 against the Xeon 6737P's 79,634 — a 3% lead for the Xeon 6737P. L3 cache: 256 MB (total) on the EPYC 7643P vs 144 MB (total) on the Xeon 6737P.
| Feature | EPYC 7643P | Xeon 6737P |
|---|---|---|
| Cores / Threads | 48 / 96+50% | 32 / 64 |
| Boost Clock | 3.6 GHz | 4 GHz+11% |
| Base Clock | 2.3 GHz | 2.9 GHz+26% |
| L3 Cache | 256 MB (total)+78% | 144 MB (total) |
| 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 | 77,307 | 79,634+3% |
| Geekbench 6 Single | — | 2,000 |
| Geekbench 6 Multi | — | 45,000 |
Memory & Platform
The EPYC 7643P uses the SP3 socket (PCIe 4.0), while the Xeon 6737P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7643P versus DDR5-6400 on the Xeon 6737P — the Xeon 6737P supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643P) vs 88 (Xeon 6737P) — the EPYC 7643P offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643P) and C741 (Xeon 6737P).
| Feature | EPYC 7643P | Xeon 6737P |
|---|---|---|
| Socket | SP3 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | DDR5-6400+100% |
| Max RAM Capacity | 4096 GB | 4096 GB |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+45% | 88 |
Advanced Features
Neither processor supports overclocking. Only the Xeon 6737P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, SEV (EPYC 7643P) vs VT-x, VT-d (Xeon 6737P). Primary use case: Xeon 6737P targets High Performance Server. Direct competitor: EPYC 7643P rivals Xeon Platinum 8380; Xeon 6737P rivals EPYC 9005.
| Feature | EPYC 7643P | Xeon 6737P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, SEV | VT-x, VT-d |
| Target Use | — | High Performance Server |
Value Analysis
At launch, the EPYC 7643P was priced at $2722, while the Xeon 6737P came in at $4995. On launch pricing ($2722 vs $4995), EPYC 7643P was $2273 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7643P delivers 28.4 pts/$ vs 15.9 pts/$ for the Xeon 6737P — making the EPYC 7643P the 56.2% better value option.
| Feature | EPYC 7643P | Xeon 6737P |
|---|---|---|
| MSRP | $2722-46% | $4995 |
| Performance per Dollar | 28.4+79% | 15.9 |
| Release Date | 2023 | 2025 |
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