EPYC 9455P vs EPYC 9554

EPYC 9455P vs EPYC 9554 Performance Spectrum

EPYC 9455P

48 / 96

116,926

+12.1%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 7960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Ryzen Threadripper 9980X

Ryzen Threadripper PRO 9985WX

EPYC 9554

64 / 128

104,336

0.0%

Ryzen 9 7945HX3D

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Ryzen Threadripper 9980X

Ryzen Threadripper PRO 7995WX

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 9455P vs EPYC 9554 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 9455P vs EPYC 9554: Pros, Cons & Final Verdict

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

EPYC 9455P

2024

Why buy it

✅Better for gaming: +4.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $4,268 less on MSRP ($4,819 MSRP vs $9,087 MSRP).
✅Delivers 111.3% more PassMark for each dollar spent, at 24.3 vs 11.5 PassMark/$ ($4,819 MSRP vs $9,087 MSRP).
✅Draws 300W instead of 360W, a 60W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

EPYC 9554

2022

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9455P across 50 shared CPU benchmark tests.
❌Lower PassMark (104,336 vs 116,926).
❌Lower PassMark per dollar, at 11.5 vs 24.3 PassMark/$ ($9,087 MSRP vs $4,819 MSRP).
❌20% higher power demand at 360W vs 300W.

Quick Answers

So, is EPYC 9455P better than EPYC 9554?

Yes. EPYC 9455P is the better all-around CPU here. It gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data, 12.1% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, EPYC 9455P is the better pick. According to our tests, it delivers 4.6% 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 9455P is the stronger fit. You are getting 12.1% better PassMark, backed by 48 cores and 96 threads.

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

EPYC 9455P is the better buy right now. EPYC 9455P comes in $4,268 cheaper on MSRP at $4,819 MSRP versus $9,087 MSRP, and it still gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data. It is also 111.3% better value on MSRP (24.3 vs 11.5 PassMark/$), 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 9455P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022) and more multi-core headroom with 48 cores / 96 threads instead of 64/128. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 9455P vs EPYC 9554 Technical Specifications

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

EPYC 9455P

The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 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): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.

EPYC 9554

The EPYC 9554 is manufactured by AMD. It was released in 10 November 2022 (3 years ago). It is based on the Genoa (2022−2023) architecture. It features 64 cores and 128 threads. Base frequency is 3.1 GHz, with boost up to 3.75 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 360 Watt. Memory support: DDR5-4800. Passmark benchmark score: 104,336 points. Launch price was $9,087.

⚡

Processing Power

The EPYC 9455P packs 48 cores / 96 threads, while the EPYC 9554 offers 64 cores / 128 threads — the EPYC 9554 has 16 more cores. Boost clocks reach 4.4 GHz on the EPYC 9455P versus 3.75 GHz on the EPYC 9554 — a 16% clock advantage for the EPYC 9455P (base: 3.15 GHz vs 3.1 GHz). The EPYC 9455P uses the Turin (2024) architecture (4 nm), while the EPYC 9554 uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 9455P scores 116,926 against the EPYC 9554's 104,336 — a 11.4% lead for the EPYC 9455P. Both processors carry 256 MB (total) of L3 cache.

Feature	EPYC 9455P	EPYC 9554
Cores / Threads	48 / 96	64 / 128+33%
Boost Clock	4.4 GHz+17%	3.75 GHz
Base Clock	3.15 GHz+2%	3.1 GHz
L3 Cache	256 MB (total)	256 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-20%	5 nm, 6 nm
Architecture	Turin (2024)	Genoa (2022−2023)
PassMark	116,926+12%	104,336
Geekbench 6 Single	1,962	—
Geekbench 6 Multi	1,898	—

🧠

Memory & Platform

Both processors use the SP5 socket with PCIe 5.0. Maximum memory speed reaches DDR5-6000 on the EPYC 9455P versus DDR5-4800 on the EPYC 9554 — the EPYC 9455P supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9455P 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 9455P) and SP5 (EPYC 9554).

Feature	EPYC 9455P	EPYC 9554
Socket	SP5	SP5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6000+25%	DDR5-4800
Max RAM Capacity	9 TB+50%	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 9455P targets Data Center / Single Socket, EPYC 9554 targets Data Center. Direct competitor: EPYC 9455P rivals Xeon 6766E; EPYC 9554 rivals Xeon 8468.

Feature	EPYC 9455P	EPYC 9554
Integrated GPU	No	No
Virtualization	AMD-V, SEV-SNP	AMD-V, SEV-SNP
Target Use	Data Center / Single Socket	Data Center

💰

Value Analysis

At launch, the EPYC 9455P was priced at $4819, while the EPYC 9554 came in at $9087. On launch pricing ($4819 vs $9087), EPYC 9455P was $4268 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9455P delivers 24.3 pts/$ vs 11.5 pts/$ for the EPYC 9554 — making the EPYC 9455P the 71.5% better value option.

Feature	EPYC 9455P	EPYC 9554
MSRP	$4819-47%	$9087
Performance per Dollar	24.3+111%	11.5
Release Date	2024	2022

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