EPYC 7543
Xeon 6520P
EPYC 7543 vs Xeon 6520P 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 7543 vs Xeon 6520P 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 7543 vs Xeon 6520P: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 7543
2021Why buy it
- ✅+77.8% larger total L3 cache (256 MB vs 144 MB).
- ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6520P across 50 shared CPU benchmark tests.
- ❌Lower PassMark (62,952 vs 64,010).
- ❌Lower PassMark per dollar, at 6.1 vs 49.4 PassMark/$ ($10,257 MSRP vs $1,295 MSRP).
- ❌Older platform position on SP3 with DDR4, while Xeon 6520P moves to LGA4710 and DDR5.
Xeon 6520P
2025Why buy it
- ✅Better for gaming: +4.4% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $8,962 less on MSRP ($1,295 MSRP vs $10,257 MSRP).
- ✅Delivers 705.4% more PassMark for each dollar spent, at 49.4 vs 6.1 PassMark/$ ($1,295 MSRP vs $10,257 MSRP).
- ✅Draws 210W instead of 225W, a 15W reduction.
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Smaller total L3 cache (144 MB vs 256 MB).
Quick Answers
So, is Xeon 6520P better than EPYC 7543?
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 7543 vs Xeon 6520P Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 Xeon 6520P supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543 supports up to 4096 TB of RAM compared to 4 TB — 102300% 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 | DDR5-6400+100% |
| Max RAM Capacity | 4096 TB+102300% | 4 TB |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| 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
At launch, the EPYC 7543 was priced at $10257, while the Xeon 6520P came in at $1295. On launch pricing ($10257 vs $1295), Xeon 6520P was $8962 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543 delivers 6.1 pts/$ vs 49.4 pts/$ for the Xeon 6520P — making the Xeon 6520P the 155.8% better value option.
| Feature | EPYC 7543 | Xeon 6520P |
|---|---|---|
| MSRP | $10257 | $1295-87% |
| Performance per Dollar | 6.1 | 49.4+710% |
| Release Date | 2021 | 2025 |
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