Xeon 6737P vs EPYC 7643
Xeon 6737P
EPYC 7643
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon 6737P
Performance Per Dollar EPYC 7643
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 6737P | EPYC 7643 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($4,995) | ✅ More affordable ($2,750) |
| Longevity | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon 6737P | EPYC 7643 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+73%) |
| Upfront Cost | ⚠️ Higher cost ($4,995) | ✅ More affordable ($2,750) |
Performance Check
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.
Technical Specifications
Side-by-side comparison of Xeon 6737P and EPYC 7643
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.
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.
Processing Power
The Xeon 6737P packs 32 cores / 64 threads, while the EPYC 7643 offers 48 cores / 96 threads — the EPYC 7643 has 16 more cores. Boost clocks reach 4 GHz on the Xeon 6737P versus 3.6 GHz on the EPYC 7643 — a 10.5% clock advantage for the Xeon 6737P (base: 2.9 GHz vs 2.3 GHz). The Xeon 6737P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the EPYC 7643 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon 6737P scores 79,634 against the EPYC 7643's 76,050 — a 4.6% lead for the Xeon 6737P. Geekbench 6 single-core — the metric most relevant to gaming — records 2,000 vs 1,671, a 17.9% lead for the Xeon 6737P that directly translates to higher frame rates. Multi-core Geekbench: 45,000 vs 15,000 (100% advantage for the Xeon 6737P). L3 cache: 144 MB (total) on the Xeon 6737P vs 256 MB (total) on the EPYC 7643.
| Feature | Xeon 6737P | EPYC 7643 |
|---|---|---|
| Cores / Threads | 32 / 64 | 48 / 96+50% |
| Boost Clock | 4 GHz+11% | 3.6 GHz |
| Base Clock | 2.9 GHz+26% | 2.3 GHz |
| L3 Cache | 144 MB (total) | 256 MB (total)+78% |
| L2 Cache | 2 MB (per core)+300% | 512 kB (per core) |
| Process | Intel 3 nm-57% | 7 nm+ |
| Architecture | Granite Rapids (2024−2025) | Milan (2021−2023) |
| PassMark | 79,634+5% | 76,050 |
| Geekbench 6 Single | 2,000+20% | 1,671 |
| Geekbench 6 Multi | 45,000+200% | 15,000 |
Memory & Platform
The Xeon 6737P uses the LGA4710 socket (PCIe 4.0), while the EPYC 7643 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Xeon 6737P versus DDR4-3200 on the EPYC 7643 — the Xeon 6737P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6737P supports up to 4096 GB of RAM compared to 4 TB — 199.6% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 88 (Xeon 6737P) vs 128 (EPYC 7643) — the EPYC 7643 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon 6737P) and SP3 (EPYC 7643).
| Feature | Xeon 6737P | EPYC 7643 |
|---|---|---|
| Socket | LGA4710 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-6400+25% | DDR4-3200 |
| Max RAM Capacity | 4096 GB | 4 TB |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 88 | 128+45% |
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 (Xeon 6737P) vs AMD-V (EPYC 7643). Primary use case: Xeon 6737P targets High Performance Server, EPYC 7643 targets Server. Direct competitor: Xeon 6737P rivals EPYC 9005; EPYC 7643 rivals EPYC 7443P.
| Feature | Xeon 6737P | EPYC 7643 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | High Performance Server | Server |
Value Analysis
The Xeon 6737P launched at $4995 MSRP, while the EPYC 7643 debuted at $4995. At current prices ($4995 vs $2750), the EPYC 7643 is $2245 cheaper. In terms of value (PassMark points per dollar), the Xeon 6737P delivers 15.9 pts/$ vs 27.7 pts/$ for the EPYC 7643 — making the EPYC 7643 the 53.7% better value option.
| Feature | Xeon 6737P | EPYC 7643 |
|---|---|---|
| MSRP | $4995 | $4995 |
| Avg Price (30d) | $4995 | $2750-45% |
| Performance per Dollar | 15.9 | 27.7+74% |
| Release Date | 2025 | 2021 |
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