EPYC 9555P vs EPYC 9755

EPYC 9555P vs EPYC 9755 Performance Spectrum

EPYC 9555P

64 / 128

135,441

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 7960X

Ryzen Threadripper 7970X

Ryzen Threadripper 9970X

Ryzen Threadripper 9980X

Ryzen Threadripper PRO 9985WX

Ryzen Threadripper PRO 9995WX

EPYC 9755

128 / 256

166,328

+22.8%

Ryzen 7 9700X

Ryzen 9 9900X3D

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper 9970X

Ryzen Threadripper PRO 7995WX

Ryzen Threadripper PRO 9995WX

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 9555P vs EPYC 9755 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.

EPYC 9555P vs EPYC 9755: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

EPYC 9555P

2024

Why buy it

✅Better for gaming: +9.7% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $5,001 less on MSRP ($7,983 MSRP vs $12,984 MSRP).
✅Delivers 32.4% more PassMark for each dollar spent, at 17.0 vs 12.8 PassMark/$ ($7,983 MSRP vs $12,984 MSRP).
✅Draws 360W instead of 500W, a 140W reduction.

Trade-offs

❌Smaller total L3 cache (256 MB vs 512 MB).

EPYC 9755

2024

Why buy it

✅+100% larger total L3 cache (512 MB vs 256 MB).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9555P across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (29,300 vs 29,406).
❌Lower PassMark per dollar, at 12.8 vs 17.0 PassMark/$ ($12,984 MSRP vs $7,983 MSRP).
❌38.9% higher power demand at 500W vs 360W.

Quick Answers

So, is EPYC 9555P better than EPYC 9755?

Yes. EPYC 9555P is the better all-around CPU here. It gives you a 9.7% average FPS lead across 50 shared CPU game tests in our data and 0.4% better Geekbench multi-core, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, EPYC 9555P is the better pick. According to our tests, it delivers 9.7% 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, EPYC 9555P is the stronger fit. You are getting 0.4% better Geekbench multi-core, backed by 64 cores and 128 threads.

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

EPYC 9555P is the better buy right now. EPYC 9555P comes in $5,001 cheaper on MSRP at $7,983 MSRP versus $12,984 MSRP, and it still gives you a 9.7% average FPS lead across 50 shared CPU game tests in our data. It is also 32.4% better value on MSRP (17.0 vs 12.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

EPYC 9755 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

EPYC 9555P vs EPYC 9755 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

EPYC 9555P

The EPYC 9555P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 360 Watt. Memory support: DDR5. Passmark benchmark score: 135,441 points. Launch price was $7,983.

EPYC 9755

The EPYC 9755 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 128 cores and 256 threads. Base frequency is 2.7 GHz, with boost up to 4.1 GHz. L3 cache: 512 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 500 Watt. Memory support: DDR5. Passmark benchmark score: 166,328 points. Launch price was $12,984.

⚡

Processing Power

The EPYC 9555P packs 64 cores / 128 threads, while the EPYC 9755 offers 128 cores / 256 threads — the EPYC 9755 has 64 more cores. Boost clocks reach 4.4 GHz on the EPYC 9555P versus 4.1 GHz on the EPYC 9755 — a 7.1% clock advantage for the EPYC 9555P (base: 3.2 GHz vs 2.7 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9555P scores 135,441 against the EPYC 9755's 166,328 — a 20.5% lead for the EPYC 9755. Geekbench 6 single-core — the metric most relevant to gaming — records 2,815 vs 2,800, a 0.5% lead for the EPYC 9555P that directly translates to higher frame rates. Multi-core Geekbench: 29,406 vs 29,300 (0.4% advantage for the EPYC 9555P). L3 cache: 256 MB (total) on the EPYC 9555P vs 512 MB (total) on the EPYC 9755.

Feature	EPYC 9555P	EPYC 9755
Cores / Threads	64 / 128	128 / 256+100%
Boost Clock	4.4 GHz+7%	4.1 GHz
Base Clock	3.2 GHz+19%	2.7 GHz
L3 Cache	256 MB (total)	512 MB (total)+100%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	4 nm
Architecture	Turin (2024)	Turin (2024)
PassMark	135,441	166,328+23%
Geekbench 6 Single	2,815	2,800
Geekbench 6 Multi	29,406	29,300

🧠

Memory & Platform

Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. The EPYC 9755 supports up to 9 TB of RAM compared to 6 TB — 50% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9555P) and SP5 (EPYC 9755).

Feature	EPYC 9555P	EPYC 9755
Socket	SP5	SP5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6000	DDR5-6000
Max RAM Capacity	6 TB	9 TB+50%
RAM Channels	12	12
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9555P targets Data Center / Single Socket, EPYC 9755 targets Data Center / Cloud Computing. Direct competitor: EPYC 9555P rivals Xeon 6979P; EPYC 9755 rivals Xeon 6980P.

Feature	EPYC 9555P	EPYC 9755
Integrated GPU	No	No
Virtualization	AMD-V, SEV-SNP	AMD-V, SEV-SNP
Target Use	Data Center / Single Socket	Data Center / Cloud Computing

💰

Value Analysis

At launch, the EPYC 9555P was priced at $7983, while the EPYC 9755 came in at $12984. On launch pricing ($7983 vs $12984), EPYC 9555P was $5001 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555P delivers 17.0 pts/$ vs 12.8 pts/$ for the EPYC 9755 — making the EPYC 9555P the 27.9% better value option.

Feature	EPYC 9555P	EPYC 9755
MSRP	$7983-39%	$12984
Performance per Dollar	17.0+33%	12.8
Release Date	2024	2024

Search EPYC 9555P on Amazon

Search EPYC 9755 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.