EPYC 7543P vs Xeon w7-3555

CPU

GPU

EPYC 7543P

32 Cores64 Thrd225 WWMax: 3.7 GHz2021

Popular choices:

•••••••••

Xeon w7-3555

28 Cores56 Thrd325 WWMax: 4.8 GHz2024

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 7543P

32 / 64

66,590

0.0%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Xeon w7-3555

28 / 56

67,754

+1.7%

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 7543P

2021

Why buy it

✅+241.3% larger total L3 cache (256 MB vs 75 MB).
✅Costs $19 less on MSRP ($2,730 MSRP vs $2,749 MSRP).
✅Draws 225W instead of 325W, a 100W reduction.
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3555 across 4 shared CPU benchmark tests.
❌Lower PassMark (66,590 vs 67,754).
❌Older platform position on SP3 with DDR4, while Xeon w7-3555 moves to LGA4677 and DDR5.

Xeon w7-3555

2024

Why buy it

✅Better for gaming: +38.7% higher average FPS across 4 shared CPU benchmark tests.
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (75 MB vs 256 MB).
❌
0.7% HIGHER MSRP
$2,749 MSRPvs$2,730 MSRP
❌44.4% higher power demand at 325W vs 225W.

EPYC 7543P

2021

Xeon w7-3555

2024

Why buy it

✅+241.3% larger total L3 cache (256 MB vs 75 MB).
✅Costs $19 less on MSRP ($2,730 MSRP vs $2,749 MSRP).
✅Draws 225W instead of 325W, a 100W reduction.
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +38.7% higher average FPS across 4 shared CPU benchmark tests.
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3555 across 4 shared CPU benchmark tests.
❌Lower PassMark (66,590 vs 67,754).
❌Older platform position on SP3 with DDR4, while Xeon w7-3555 moves to LGA4677 and DDR5.

Trade-offs

❌Smaller total L3 cache (75 MB vs 256 MB).
❌
0.7% HIGHER MSRP
$2,749 MSRPvs$2,730 MSRP
❌44.4% higher power demand at 325W vs 225W.

Quick Answers

So, is Xeon w7-3555 better than EPYC 7543P?

Yes. Xeon w7-3555 is the better overall CPU here. You are getting a 38.7% average FPS lead across 4 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 w7-3555 is the better pick here. According to our tests, it delivers 38.7% more average FPS across 4 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon w7-3555 is the better fit. You are getting 1.7% better PassMark, backed by 28 cores and 56 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon w7-3555 is the smarter buy today. Xeon w7-3555 is 0.7% more expensive on MSRP at $2,749 MSRP versus $2,730 MSRP, and it gives you a 38.7% average FPS lead across 4 shared CPU game tests in our data. It is also 1.0% better value on MSRP (24.6 vs 24.4 PassMark/$), 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 w7-3555 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA4677 and DDR5 instead of SP3, more multi-core headroom with 28 cores / 56 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.

EPYC 7543P Benchmark Check

Xeon w7-3555 Benchmark Check

Path of Exile 2

Preset	EPYC 7543P	Xeon w7-3555
1080p
low	198 FPS	311 FPS
medium	161 FPS	301 FPS
high	129 FPS	242 FPS
ultra	100 FPS	204 FPS
1440p
low	161 FPS	270 FPS
medium	126 FPS	233 FPS
high	98 FPS	175 FPS
ultra	78 FPS	154 FPS
4K
low	73 FPS	184 FPS
medium	61 FPS	157 FPS
high	47 FPS	118 FPS
ultra	39 FPS	106 FPS

Open EPYC 7543P Open Xeon w7-3555

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7543P	Xeon w7-3555
1080p
low	507 FPS	682 FPS
medium	443 FPS	593 FPS
high	354 FPS	482 FPS
ultra	288 FPS	427 FPS
1440p
low	417 FPS	551 FPS
medium	373 FPS	489 FPS
high	308 FPS	415 FPS
ultra	243 FPS	341 FPS
4K
low	257 FPS	324 FPS
medium	234 FPS	288 FPS
high	205 FPS	267 FPS
ultra	171 FPS	234 FPS

Open EPYC 7543P Open Xeon w7-3555

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7543P	Xeon w7-3555
1080p
low	850 FPS	1025 FPS
medium	705 FPS	1057 FPS
high	657 FPS	974 FPS
ultra	580 FPS	834 FPS
1440p
low	612 FPS	1001 FPS
medium	506 FPS	888 FPS
high	464 FPS	802 FPS
ultra	405 FPS	656 FPS
4K
low	437 FPS	600 FPS
medium	339 FPS	517 FPS
high	303 FPS	461 FPS
ultra	245 FPS	397 FPS

Open EPYC 7543P Open Xeon w7-3555

League of Legends

League of Legends

Valorant

Preset	EPYC 7543P	Xeon w7-3555
1080p
low	992 FPS	1212 FPS
medium	900 FPS	1015 FPS
high	775 FPS	925 FPS
ultra	671 FPS	809 FPS
1440p
low	763 FPS	980 FPS
medium	665 FPS	845 FPS
high	569 FPS	736 FPS
ultra	490 FPS	635 FPS
4K
low	547 FPS	727 FPS
medium	488 FPS	632 FPS
high	428 FPS	557 FPS
ultra	370 FPS	437 FPS

Open EPYC 7543P Open Xeon w7-3555

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7543P and Xeon w7-3555

EPYC 7543P

The EPYC 7543P 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: 66,590 points. Launch price was $2,730.

Xeon w7-3555

The Xeon w7-3555 is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 75 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 325 Watt. Memory support: DDR5-4800. Passmark benchmark score: 67,754 points. Launch price was $2,339.

⚡

Processing Power

The EPYC 7543P packs 32 cores / 64 threads, while the Xeon w7-3555 offers 28 cores / 56 threads — the EPYC 7543P has 4 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543P versus 4.8 GHz on the Xeon w7-3555 — a 25.9% clock advantage for the Xeon w7-3555 (base: 2.8 GHz vs 2.7 GHz). The EPYC 7543P uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w7-3555 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7543P scores 66,590 against the Xeon w7-3555's 67,754 — a 1.7% lead for the Xeon w7-3555. L3 cache: 256 MB (total) on the EPYC 7543P vs 75 MB on the Xeon w7-3555.

Feature	EPYC 7543P	Xeon w7-3555
Cores / Threads	32 / 64+14%	28 / 56
Boost Clock	3.7 GHz	4.8 GHz+30%
Base Clock	2.8 GHz+4%	2.7 GHz
L3 Cache	256 MB (total)+241%	75 MB
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm+	Intel 7 nm
Architecture	Milan (2021−2023)	Sapphire Rapids (2023−2024)
PassMark	66,590	67,754+2%
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	17,120

🧠

Memory & Platform

The EPYC 7543P uses the SP3 socket (PCIe 4.0), while the Xeon w7-3555 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543P versus DDR5-4800 on the Xeon w7-3555 — the EPYC 7543P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7543P) vs 112 (Xeon w7-3555) — the EPYC 7543P offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7543P) and W790 (Xeon w7-3555).

Feature	EPYC 7543P	Xeon w7-3555
Socket	SP3	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200+63900%	DDR5-4800
Max RAM Capacity	4096	4096 GB+104857500%
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+14%	112

🔧

Advanced Features

Only the Xeon w7-3555 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w7-3555 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7543P) vs true (Xeon w7-3555). Direct competitor: EPYC 7543P rivals Xeon Platinum 8380; Xeon w7-3555 rivals Threadripper PRO 7965WX.

Feature	EPYC 7543P	Xeon w7-3555
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

The EPYC 7543P launched at $2730 MSRP, while the Xeon w7-3555 debuted at $2749. On MSRP ($2730 vs $2749), the EPYC 7543P is $19 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543P delivers 24.4 pts/$ vs 24.6 pts/$ for the Xeon w7-3555 — making the Xeon w7-3555 the 1% better value option.