Xeon 6520P vs EPYC 7543
Xeon 6520P
EPYC 7543
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 6520P
Performance Per Dollar EPYC 7543
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 6520P | EPYC 7543 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,295) | ✅ More affordable ($468) |
| Longevity | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon 6520P | EPYC 7543 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+172%) |
| Upfront Cost | ⚠️ Higher cost ($1,295) | ✅ More affordable ($468) |
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 6520P and EPYC 7543
Xeon 6520P
The Xeon 6520P 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 24 cores and 48 threads. Base frequency is 2.4 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): 210 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 64,010 points. Launch price was $1,295.
EPYC 7543
The EPYC 7543 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 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 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: 62,952 points. Launch price was $3,761.
Processing Power
The Xeon 6520P packs 24 cores / 48 threads, while the EPYC 7543 offers 32 cores / 64 threads — the EPYC 7543 has 8 more cores. Boost clocks reach 4 GHz on the Xeon 6520P versus 3.7 GHz on the EPYC 7543 — a 7.8% clock advantage for the Xeon 6520P (base: 2.4 GHz vs 2.8 GHz). The Xeon 6520P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the EPYC 7543 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon 6520P scores 64,010 against the EPYC 7543's 62,952 — a 1.7% lead for the Xeon 6520P. L3 cache: 144 MB (total) on the Xeon 6520P vs 256 MB (total) on the EPYC 7543.
| Feature | Xeon 6520P | EPYC 7543 |
|---|---|---|
| Cores / Threads | 24 / 48 | 32 / 64+33% |
| Boost Clock | 4 GHz+8% | 3.7 GHz |
| Base Clock | 2.4 GHz | 2.8 GHz+17% |
| 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 | 64,010+2% | 62,952 |
| Geekbench 6 Single | 1,900 | — |
| Geekbench 6 Multi | 25,000 | — |
Memory & Platform
The Xeon 6520P uses the LGA4710 socket (PCIe 5.0), while the EPYC 7543 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Xeon 6520P versus 3200 on the EPYC 7543 — the EPYC 7543 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543 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: 88 (Xeon 6520P) vs 128 (EPYC 7543) — the EPYC 7543 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FCLGA4710 (Xeon 6520P) and SP3 (EPYC 7543).
| Feature | Xeon 6520P | EPYC 7543 |
|---|---|---|
| Socket | LGA4710 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | 3200+63900% |
| Max RAM Capacity | 4 TB+104857500% | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 88 | 128+45% |
Advanced Features
Neither processor supports overclocking. Only the Xeon 6520P supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Xeon 6520P targets Server. Direct competitor: Xeon 6520P rivals EPYC 9254; EPYC 7543 rivals Xeon Platinum 8380.
| Feature | Xeon 6520P | EPYC 7543 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Server | — |
Value Analysis
The Xeon 6520P launched at $1295 MSRP, while the EPYC 7543 debuted at $10257. At current prices ($1295 vs $468), the EPYC 7543 is $827 cheaper. In terms of value (PassMark points per dollar), the Xeon 6520P delivers 49.4 pts/$ vs 134.5 pts/$ for the EPYC 7543 — making the EPYC 7543 the 92.5% better value option.
| Feature | Xeon 6520P | EPYC 7543 |
|---|---|---|
| MSRP | $1295-87% | $10257 |
| Avg Price (30d) | $1295 | $468-64% |
| Performance per Dollar | 49.4 | 134.5+172% |
| Release Date | 2025 | 2021 |
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