EPYC 8324P vs Ryzen 9 9955HX

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 8324P vs Ryzen 9 9955HX 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 8324P vs Ryzen 9 9955HX: Pros, Cons & Final Verdict

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

EPYC 8324P

2023

Why buy it

✅+2.5% higher PassMark.
✅+100% larger total L3 cache (128 MB vs 64 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 96 PCIe lanes vs 28.
✅242.9% more PCIe lanes (96 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX across 50 shared CPU benchmark tests.
❌Launch MSRP is still $1,895 MSRP, while Ryzen 9 9955HX mostly shows up through inconsistent older-market listings.
❌227.3% higher power demand at 180W vs 55W.
❌No integrated graphics, while Ryzen 9 9955HX can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9955HX

2025

Why buy it

✅Better for gaming: +16.0% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 180W, a 125W reduction.
✅Integrated graphics onboard with Radeon 610M, while EPYC 8324P needs a discrete GPU.

Trade-offs

❌Lower PassMark (55,711 vs 57,127).
❌Smaller total L3 cache (64 MB vs 128 MB).
❌Less compelling for workstation-style loads than EPYC 8324P, which brings 32 cores / 64 threads and 96 PCIe lanes.

Quick Answers

So, is Ryzen 9 9955HX better than EPYC 8324P?

Not really, because they are built for different jobs. EPYC 8324P makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, EPYC 8324P is the stronger fit. You are getting 2.5% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 100% larger total L3 cache (128 MB vs 64 MB).

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

Ryzen 9 9955HX is still the faster CPU overall, but EPYC 8324P is easier to justify if budget matters more than peak performance. Ryzen 9 9955HX comes in at an unclear MSRP at unclear MSRP versus $1,895 MSRP, and it still gives you a 16.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 8324P is still stronger for heavier multi-core work with 2.5% better PassMark. EPYC 8324P is also 100.0% better value on MSRP (30.1 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 9 9955HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 8324P vs Ryzen 9 9955HX Technical Specifications

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

EPYC 8324P

The EPYC 8324P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.65 GHz, with boost up to 3 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 180 Watt. Memory support: DDR5. Passmark benchmark score: 57,127 points. Launch price was $1,895.

Ryzen 9 9955HX

The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.

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Processing Power

The EPYC 8324P packs 32 cores / 64 threads, while the Ryzen 9 9955HX offers 16 cores / 32 threads — the EPYC 8324P has 16 more cores. Boost clocks reach 3 GHz on the EPYC 8324P versus 5.4 GHz on the Ryzen 9 9955HX — a 57.1% clock advantage for the Ryzen 9 9955HX (base: 2.65 GHz vs 2.5 GHz). The EPYC 8324P uses the Siena (2023−2024) architecture (5 nm), while the Ryzen 9 9955HX uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the EPYC 8324P scores 57,127 against the Ryzen 9 9955HX's 55,711 — a 2.5% lead for the EPYC 8324P. L3 cache: 128 MB (total) on the EPYC 8324P vs 64 MB (total) on the Ryzen 9 9955HX.

Feature	EPYC 8324P	Ryzen 9 9955HX
Cores / Threads	32 / 64+100%	16 / 32
Boost Clock	3 GHz	5.4 GHz+80%
Base Clock	2.65 GHz+6%	2.5 GHz
L3 Cache	128 MB (total)+100%	64 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm	4 nm-20%
Architecture	Siena (2023−2024)	Fire Range-HX (Zen 5) (2025)
PassMark	57,127+3%	55,711
Cinebench R23 Multi	—	38,010
Geekbench 6 Single	—	3,219
Geekbench 6 Multi	—	19,563

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Memory & Platform

The EPYC 8324P uses the SP6 socket (PCIe 4.0), while the Ryzen 9 9955HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the EPYC 8324P versus DDR5-5600 on the Ryzen 9 9955HX — the Ryzen 9 9955HX supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8324P supports up to 1152 GB of RAM compared to 96 GB — 1100% more capacity for professional workloads. Memory channels: 6 (EPYC 8324P) vs 2 (Ryzen 9 9955HX). PCIe lanes: 96 (EPYC 8324P) vs 28 (Ryzen 9 9955HX) — the EPYC 8324P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8324P) and AMD FL1 (Ryzen 9 9955HX).

Feature	EPYC 8324P	Ryzen 9 9955HX
Socket	SP6	FL1
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	4800	DDR5-5600+17%
Max RAM Capacity	1152 GB+1100%	96 GB
RAM Channels	6+200%	2
ECC Support	Yes	Yes
PCIe Lanes	96+243%	28

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Advanced Features

Only the Ryzen 9 9955HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (EPYC 8324P) vs true (Ryzen 9 9955HX). The Ryzen 9 9955HX includes integrated graphics (Radeon 610M), while the EPYC 8324P requires a dedicated GPU. Direct competitor: EPYC 8324P rivals Xeon Platinum 8452Y; Ryzen 9 9955HX rivals Core Ultra 9 275HX.