EPYC 7543 vs Xeon 6520P
EPYC 7543
Xeon 6520P
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 EPYC 7543
Performance Per Dollar Xeon 6520P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7543 | Xeon 6520P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($468) | ⚠️ Higher cost ($1,295) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | EPYC 7543 | Xeon 6520P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+172%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($468) | ⚠️ Higher cost ($1,295) |
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 EPYC 7543 and Xeon 6520P
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.
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.
Processing Power
The EPYC 7543 packs 32 cores / 64 threads, while the Xeon 6520P offers 24 cores / 48 threads — the EPYC 7543 has 8 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543 versus 4 GHz on the Xeon 6520P — a 7.8% clock advantage for the Xeon 6520P (base: 2.8 GHz vs 2.4 GHz). The EPYC 7543 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon 6520P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7543 scores 62,952 against the Xeon 6520P's 64,010 — a 1.7% lead for the Xeon 6520P. L3 cache: 256 MB (total) on the EPYC 7543 vs 144 MB (total) on the Xeon 6520P.
| Feature | EPYC 7543 | Xeon 6520P |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 48 |
| Boost Clock | 3.7 GHz | 4 GHz+8% |
| Base Clock | 2.8 GHz+17% | 2.4 GHz |
| 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 | 62,952 | 64,010+2% |
| Geekbench 6 Single | — | 1,900 |
| Geekbench 6 Multi | — | 25,000 |
Memory & Platform
The EPYC 7543 uses the SP3 socket (PCIe 4.0), while the Xeon 6520P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543 versus DDR5-6400 on the Xeon 6520P — 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: 128 (EPYC 7543) vs 88 (Xeon 6520P) — the EPYC 7543 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7543) and FCLGA4710 (Xeon 6520P).
| Feature | EPYC 7543 | Xeon 6520P |
|---|---|---|
| Socket | SP3 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 4 TB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+45% | 88 |
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: EPYC 7543 rivals Xeon Platinum 8380; Xeon 6520P rivals EPYC 9254.
| Feature | EPYC 7543 | Xeon 6520P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The EPYC 7543 launched at $10257 MSRP, while the Xeon 6520P debuted at $1295. At current prices ($468 vs $1295), the EPYC 7543 is $827 cheaper. In terms of value (PassMark points per dollar), the EPYC 7543 delivers 134.5 pts/$ vs 49.4 pts/$ for the Xeon 6520P — making the EPYC 7543 the 92.5% better value option.
| Feature | EPYC 7543 | Xeon 6520P |
|---|---|---|
| MSRP | $10257 | $1295-87% |
| Avg Price (30d) | $468-64% | $1295 |
| Performance per Dollar | 134.5+172% | 49.4 |
| Release Date | 2021 | 2025 |
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