EPYC 9455P vs EPYC 9684X

EPYC 9455P vs EPYC 9684X Performance Spectrum

EPYC 9455P

48 / 96

116,926

0.0%

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 9684X

96 / 192

122,017

+4.4%

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 5995WX

Ryzen Threadripper 9970X

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Ryzen Threadripper 9980X

Ryzen Threadripper PRO 9985WX

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 9684X 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 9684X: 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: +15.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $9,937 less on MSRP ($4,819 MSRP vs $14,756 MSRP).
✅Delivers 193.4% more PassMark for each dollar spent, at 24.3 vs 8.3 PassMark/$ ($4,819 MSRP vs $14,756 MSRP).
✅Draws 300W instead of 400W, a 100W reduction.

Trade-offs

❌Lower PassMark (116,926 vs 122,017).
❌Smaller total L3 cache (256 MB vs 1.1 GB).

EPYC 9684X

2023

Why buy it

✅+4.4% higher PassMark.
✅+350% larger total L3 cache (1.1 GB vs 256 MB).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9455P across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 8.3 vs 24.3 PassMark/$ ($14,756 MSRP vs $4,819 MSRP).
❌33.3% higher power demand at 400W vs 300W.

Quick Answers

So, is EPYC 9455P better than EPYC 9684X?

It depends on what you want from the system. For gaming, EPYC 9455P is ahead with a 15.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9684X pulls ahead with 4.4% better PassMark. EPYC 9684X also has the bigger cache pool with 350% larger total L3 cache (1.1 GB vs 256 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 9684X is the stronger fit. You are getting 4.4% better PassMark, backed by 96 cores and 192 threads. It also has the larger cache pool with 350% larger total L3 cache (1.1 GB vs 256 MB).

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

EPYC 9455P is the better buy right now. EPYC 9455P comes in $9,937 cheaper on MSRP at $4,819 MSRP versus $14,756 MSRP, and it still gives you a 15.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 9684X is still stronger for heavier multi-core work with 4.4% better PassMark. It is also 193.4% better value on MSRP (24.3 vs 8.3 PassMark/$), 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 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 9455P vs EPYC 9684X 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 9684X

The EPYC 9684X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 96 cores and 192 threads. Base frequency is 2.55 GHz, with boost up to 3.7 GHz. L3 cache: 1152 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 122,017 points. Launch price was $14,756.

⚡

Processing Power

The EPYC 9455P packs 48 cores / 96 threads, while the EPYC 9684X offers 96 cores / 192 threads — the EPYC 9684X has 48 more cores. Boost clocks reach 4.4 GHz on the EPYC 9455P versus 3.7 GHz on the EPYC 9684X — a 17.3% clock advantage for the EPYC 9455P (base: 3.15 GHz vs 2.55 GHz). The EPYC 9455P uses the Turin (2024) architecture (4 nm), while the EPYC 9684X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 9455P scores 116,926 against the EPYC 9684X's 122,017 — a 4.3% lead for the EPYC 9684X. L3 cache: 256 MB (total) on the EPYC 9455P vs 1152 MB (total) on the EPYC 9684X.

Feature	EPYC 9455P	EPYC 9684X
Cores / Threads	48 / 96	96 / 192+100%
Boost Clock	4.4 GHz+19%	3.7 GHz
Base Clock	3.15 GHz+24%	2.55 GHz
L3 Cache	256 MB (total)	1152 MB (total)+350%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-20%	5 nm
Architecture	Turin (2024)	Genoa-X (2023)
PassMark	116,926	122,017+4%
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 9684X — 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 9684X).

Feature	EPYC 9455P	EPYC 9684X
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 9684X targets HPC / Cache Sensitive Workloads. Direct competitor: EPYC 9455P rivals Xeon 6766E; EPYC 9684X rivals Xeon 6979P.

Feature	EPYC 9455P	EPYC 9684X
Integrated GPU	No	No
Virtualization	AMD-V, SEV-SNP	AMD-V, SEV-SNP
Target Use	Data Center / Single Socket	HPC / Cache Sensitive Workloads

💰

Value Analysis

At launch, the EPYC 9455P was priced at $4819, while the EPYC 9684X came in at $14756. On launch pricing ($4819 vs $14756), EPYC 9455P was $9937 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9455P delivers 24.3 pts/$ vs 8.3 pts/$ for the EPYC 9684X — making the EPYC 9455P the 98.3% better value option.

Feature	EPYC 9455P	EPYC 9684X
MSRP	$4819-67%	$14756
Performance per Dollar	24.3+193%	8.3
Release Date	2024	2023

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