EPYC 7543 vs Xeon 6520P

AMD

EPYC 7543

32 Cores64 Thrd225 WWMax: 3.7 GHz2021

Popular choices:

VS
Intel

Xeon 6520P

24 Cores48 Thrd210 WWMax: 4 GHz2025

Popular choices:

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 7543

2021

Why 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

2025

Why 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?
Yes. Xeon 6520P is the better overall CPU here. You are getting a 4.4% average FPS lead across 50 shared CPU game tests in our data, 1.7% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Xeon 6520P is the better pick here. According to our tests, it delivers 4.4% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon 6520P is the better fit. You are getting 1.7% better PassMark, backed by 24 cores and 48 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon 6520P is the smarter buy today. Xeon 6520P is $8,962 cheaper on MSRP at $1,295 MSRP versus $10,257 MSRP, and it gives you a 4.4% average FPS lead across 50 shared CPU game tests in our data. It is also 705.4% better value on MSRP (49.4 vs 6.1 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Xeon 6520P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with LGA4710 and DDR5 instead of SP3, more multi-core headroom with 24 cores / 48 threads instead of 32/64, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

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.

Path of Exile 2

Path of Exile 2

PresetEPYC 7543Xeon 6520P
1080p
low198 FPS188 FPS
medium161 FPS165 FPS
high129 FPS131 FPS
ultra100 FPS106 FPS
1440p
low161 FPS155 FPS
medium126 FPS131 FPS
high98 FPS100 FPS
ultra78 FPS82 FPS
4K
low73 FPS70 FPS
medium61 FPS63 FPS
high47 FPS49 FPS
ultra39 FPS40 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 7543Xeon 6520P
1080p
low507 FPS520 FPS
medium443 FPS460 FPS
high354 FPS375 FPS
ultra288 FPS309 FPS
1440p
low417 FPS425 FPS
medium373 FPS383 FPS
high308 FPS321 FPS
ultra243 FPS256 FPS
4K
low257 FPS262 FPS
medium234 FPS239 FPS
high205 FPS212 FPS
ultra171 FPS176 FPS
League of Legends

League of Legends

PresetEPYC 7543Xeon 6520P
1080p
low850 FPS910 FPS
medium705 FPS838 FPS
high657 FPS791 FPS
ultra580 FPS698 FPS
1440p
low612 FPS782 FPS
medium506 FPS716 FPS
high464 FPS673 FPS
ultra405 FPS601 FPS
4K
low437 FPS528 FPS
medium339 FPS444 FPS
high303 FPS396 FPS
ultra245 FPS330 FPS
Valorant

Valorant

PresetEPYC 7543Xeon 6520P
1080p
low992 FPS985 FPS
medium900 FPS887 FPS
high775 FPS767 FPS
ultra671 FPS666 FPS
1440p
low763 FPS804 FPS
medium665 FPS700 FPS
high569 FPS603 FPS
ultra490 FPS519 FPS
4K
low547 FPS580 FPS
medium488 FPS521 FPS
high428 FPS462 FPS
ultra370 FPS398 FPS

Technical Specifications

Side-by-side comparison of EPYC 7543 and Xeon 6520P

AMD

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.

Intel

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.

FeatureEPYC 7543Xeon 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).

FeatureEPYC 7543Xeon 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
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.

FeatureEPYC 7543Xeon 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. On MSRP ($10257 vs $1295), the Xeon 6520P is $8962 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543 delivers 6.1 pts/$ vs 49.4 pts/$ for the Xeon 6520P — making the Xeon 6520P the 155.8% better value option.

FeatureEPYC 7543Xeon 6520P
MSRP
$10257
$1295-87%
Performance per Dollar
6.1
49.4+710%
Release Date
2021
2025