EPYC 9555P vs EPYC 9565

AMD

EPYC 9555P

64 Cores128 Thrd360 WWMax: 4.4 GHz2024
EPYC family
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VS
AMD

EPYC 9565

72 Cores144 Thrd400 WWMax: 4.3 GHz2024
EPYC family
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EPYC 9555P vs EPYC 9565 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 9555P vs EPYC 9565 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 9565: 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: +5.1% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $2,503 less on MSRP ($7,983 MSRP vs $10,486 MSRP).
  • Delivers 31.6% more PassMark for each dollar spent, at 17.0 vs 12.9 PassMark/$ ($7,983 MSRP vs $10,486 MSRP).
  • Draws 360W instead of 400W, a 40W reduction.

Trade-offs

  • Smaller total L3 cache (256 MB vs 384 MB).

EPYC 9565

2024

Why buy it

  • +50% larger total L3 cache (384 MB vs 256 MB).

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9555P across 50 shared CPU benchmark tests.
  • Lower PassMark (135,221 vs 135,441).
  • Lower PassMark per dollar, at 12.9 vs 17.0 PassMark/$ ($10,486 MSRP vs $7,983 MSRP).

Quick Answers

So, is EPYC 9555P better than EPYC 9565?
Yes. EPYC 9555P is the better all-around CPU here. It gives you a 5.1% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, 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 5.1% 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 0.2% better PassMark, 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 $2,503 cheaper on MSRP at $7,983 MSRP versus $10,486 MSRP, and it still gives you a 5.1% average FPS lead across 50 shared CPU game tests in our data. It is also 31.6% better value on MSRP (17.0 vs 12.9 PassMark/$), 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 9565 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

EPYC 9555P vs EPYC 9565 Technical Specifications

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

AMD

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.

AMD

EPYC 9565

The EPYC 9565 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 72 cores and 144 threads. Base frequency is 3.15 GHz, with boost up to 4.3 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 135,221 points. Launch price was $10,486.

Processing Power

The EPYC 9555P packs 64 cores / 128 threads, while the EPYC 9565 offers 72 cores / 144 threads — the EPYC 9565 has 8 more cores. Boost clocks reach 4.4 GHz on the EPYC 9555P versus 4.3 GHz on the EPYC 9565 — a 2.3% clock advantage for the EPYC 9555P (base: 3.2 GHz vs 3.15 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 9565's 135,221 — a 0.2% lead for the EPYC 9555P. L3 cache: 256 MB (total) on the EPYC 9555P vs 384 MB (total) on the EPYC 9565.

FeatureEPYC 9555PEPYC 9565
Cores / Threads
64 / 128
72 / 144+13%
Boost Clock
4.4 GHz+2%
4.3 GHz
Base Clock
3.2 GHz+2%
3.15 GHz
L3 Cache
256 MB (total)
384 MB (total)+50%
L2 Cache
1 MB (per core)
1 MB (per core)
Process
4 nm
4 nm
Architecture
Turin (2024)
Turin (2024)
PassMark
135,441
135,221
Geekbench 6 Single
2,815
Geekbench 6 Multi
29,406
🧠

Memory & Platform

Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. Both support up to 6 TB of RAM. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9555P) and SP5 (EPYC 9565).

FeatureEPYC 9555PEPYC 9565
Socket
SP5
SP5
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-6000
DDR5-6000
Max RAM Capacity
6 TB
6 TB
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 9565 targets Data Center / Cloud Computing. Direct competitor: EPYC 9555P rivals Xeon 6979P; EPYC 9565 rivals Xeon 6972P.

FeatureEPYC 9555PEPYC 9565
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 9565 came in at $10486. On launch pricing ($7983 vs $10486), EPYC 9555P was $2503 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555P delivers 17.0 pts/$ vs 12.9 pts/$ for the EPYC 9565 — making the EPYC 9555P the 27.3% better value option.

FeatureEPYC 9555PEPYC 9565
MSRP
$7983-24%
$10486
Performance per Dollar
17.0+32%
12.9
Release Date
2024
2024

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