EPYC 9554 vs EPYC 9634

EPYC 9554 vs EPYC 9634 Performance Spectrum

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

EPYC 9634

84 / 168

107,944

+3.5%

Ryzen Threadripper PRO 7955WX

Ryzen 9 9950X3D

Ryzen Threadripper 7960X

Ryzen Threadripper PRO 7975WX

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 9554 vs EPYC 9634 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 9554 vs EPYC 9634: Pros, Cons & Final Verdict

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

EPYC 9554

2022

Why buy it

✅Costs $1,217 less on MSRP ($9,087 MSRP vs $10,304 MSRP).
✅Delivers 9.6% more PassMark for each dollar spent, at 11.5 vs 10.5 PassMark/$ ($9,087 MSRP vs $10,304 MSRP).

Trade-offs

❌Lower PassMark (104,336 vs 107,944).
❌Smaller total L3 cache (256 MB vs 384 MB).
❌24.1% higher power demand at 360W vs 290W.

EPYC 9634

2022

Why buy it

✅+3.5% higher PassMark.
✅+50% larger total L3 cache (384 MB vs 256 MB).
✅Draws 290W instead of 360W, a 70W reduction.

Trade-offs

❌Lower PassMark per dollar, at 10.5 vs 11.5 PassMark/$ ($10,304 MSRP vs $9,087 MSRP).

Quick Answers

So, is EPYC 9634 better than EPYC 9554?

It depends on what you want from the system. For gaming, EPYC 9554 is ahead with a 2.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9634 pulls ahead with 3.5% better PassMark. EPYC 9634 also has the bigger cache pool with 50% larger total L3 cache (384 MB vs 256 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 9634 is the stronger fit. You are getting 3.5% better PassMark, backed by 84 cores and 168 threads. It also has the larger cache pool with 50% larger total L3 cache (384 MB vs 256 MB).

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

EPYC 9634 is still the faster CPU overall, but EPYC 9554 is easier to justify if budget matters more than peak performance. EPYC 9634 comes in 13.4% more expensive on MSRP at $10,304 MSRP versus $9,087 MSRP, and it still gives you 3.5% better PassMark. The compromise is that EPYC 9554 is still the better pure gaming CPU with a 2.7% average FPS lead across 50 shared CPU game tests in our data. EPYC 9554 is also 9.6% better value on MSRP (11.5 vs 10.5 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

EPYC 9634 makes more sense long term for 2026 and beyond. You are getting 50% larger total L3 cache (384 MB vs 256 MB), more multi-core headroom with 84 cores / 168 threads instead of 64/128, and AVX-512 support for heavier modern compute workloads. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 9554 vs EPYC 9634 Technical Specifications

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

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.

EPYC 9634

The EPYC 9634 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 84 cores and 168 threads. Base frequency is 2.25 GHz, with boost up to 3.7 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 290 Watt. Memory support: DDR5-4800. Passmark benchmark score: 107,944 points. Launch price was $10,304.

⚡

Processing Power

The EPYC 9554 packs 64 cores / 128 threads, while the EPYC 9634 offers 84 cores / 168 threads — the EPYC 9634 has 20 more cores. Boost clocks reach 3.75 GHz on the EPYC 9554 versus 3.7 GHz on the EPYC 9634 — a 1.3% clock advantage for the EPYC 9554 (base: 3.1 GHz vs 2.25 GHz). Both are built on the Genoa (2022−2023) architecture using a 5 nm, 6 nm process. In PassMark, the EPYC 9554 scores 104,336 against the EPYC 9634's 107,944 — a 3.4% lead for the EPYC 9634. L3 cache: 256 MB (total) on the EPYC 9554 vs 384 MB (total) on the EPYC 9634.

Feature	EPYC 9554	EPYC 9634
Cores / Threads	64 / 128	84 / 168+31%
Boost Clock	3.75 GHz+1%	3.7 GHz
Base Clock	3.1 GHz+38%	2.25 GHz
L3 Cache	256 MB (total)	384 MB (total)+50%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm, 6 nm	5 nm, 6 nm
Architecture	Genoa (2022−2023)	Genoa (2022−2023)
PassMark	104,336	107,944+3%
Geekbench 6 Single	—	1,800
Geekbench 6 Multi	—	85,000

🧠

Memory & Platform

Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-4800 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 9554) and SoC (EPYC 9634).

Feature	EPYC 9554	EPYC 9634
Socket	SP5	SP5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800	DDR5-4800
Max RAM Capacity	6 TB	6144 GB
RAM Channels	12	12
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9554) vs AMD-V (EPYC 9634). Primary use case: EPYC 9554 targets Data Center, EPYC 9634 targets Server/Datacenter. Direct competitor: EPYC 9554 rivals Xeon 8468; EPYC 9634 rivals Xeon 8470.

Feature	EPYC 9554	EPYC 9634
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	Yes
Virtualization	AMD-V, SEV-SNP	AMD-V
Target Use	Data Center	Server/Datacenter

💰

Value Analysis

At launch, the EPYC 9554 was priced at $9087, while the EPYC 9634 came in at $10304. On launch pricing ($9087 vs $10304), EPYC 9554 was $1217 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9554 delivers 11.5 pts/$ vs 10.5 pts/$ for the EPYC 9634 — making the EPYC 9554 the 9.2% better value option.

Feature	EPYC 9554	EPYC 9634
MSRP	$9087-12%	$10304
Performance per Dollar	11.5+10%	10.5
Release Date	2022	2022

Search EPYC 9554 on Amazon

Search EPYC 9634 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.