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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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.

EPYC 8324P

2023

Ryzen 9 9955HX

2025

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.

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

❌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.

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 in a simple one-size-fits-all way. EPYC 8324P makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, EPYC 8324P is the better fit. You are getting 2.5% better PassMark, backed by 32 cores and 64 threads. It also carries 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 makes more sense if price matters more than absolute performance. Ryzen 9 9955HX is at an unclear MSRP at unclear MSRP versus $1,895 MSRP, and it gives you a 16.0% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that EPYC 8324P is still stronger for heavier multi-core work with 2.5% better PassMark. EPYC 8324P is also 100.0% better value on MSRP (30.1 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 9955HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

EPYC 8324P Benchmark Check

Ryzen 9 9955HX Benchmark Check

Path of Exile 2

Preset	EPYC 8324P	Ryzen 9 9955HX
1080p
low	159 FPS	284 FPS
medium	131 FPS	261 FPS
high	110 FPS	214 FPS
ultra	87 FPS	180 FPS
1440p
low	142 FPS	260 FPS
medium	114 FPS	217 FPS
high	90 FPS	167 FPS
ultra	72 FPS	147 FPS
4K
low	68 FPS	181 FPS
medium	58 FPS	151 FPS
high	45 FPS	115 FPS
ultra	37 FPS	102 FPS

Open EPYC 8324P Open Ryzen 9 9955HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 8324P	Ryzen 9 9955HX
1080p
low	419 FPS	666 FPS
medium	369 FPS	577 FPS
high	300 FPS	433 FPS
ultra	236 FPS	369 FPS
1440p
low	344 FPS	564 FPS
medium	311 FPS	503 FPS
high	260 FPS	389 FPS
ultra	199 FPS	305 FPS
4K
low	212 FPS	318 FPS
medium	195 FPS	288 FPS
high	164 FPS	253 FPS
ultra	132 FPS	214 FPS

Open EPYC 8324P Open Ryzen 9 9955HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 8324P	Ryzen 9 9955HX
1080p
low	860 FPS	848 FPS
medium	786 FPS	678 FPS
high	760 FPS	600 FPS
ultra	682 FPS	515 FPS
1440p
low	664 FPS	678 FPS
medium	587 FPS	542 FPS
high	559 FPS	469 FPS
ultra	498 FPS	397 FPS
4K
low	436 FPS	482 FPS
medium	345 FPS	399 FPS
high	308 FPS	359 FPS
ultra	251 FPS	301 FPS

Open EPYC 8324P Open Ryzen 9 9955HX

League of Legends

League of Legends

Valorant

Preset	EPYC 8324P	Ryzen 9 9955HX
1080p
low	1022 FPS	1071 FPS
medium	913 FPS	966 FPS
high	771 FPS	843 FPS
ultra	650 FPS	759 FPS
1440p
low	832 FPS	840 FPS
medium	712 FPS	746 FPS
high	598 FPS	651 FPS
ultra	490 FPS	564 FPS
4K
low	599 FPS	618 FPS
medium	523 FPS	553 FPS
high	451 FPS	487 FPS
ultra	375 FPS	420 FPS

Open EPYC 8324P Open Ryzen 9 9955HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 8324P and Ryzen 9 9955HX

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 EPYC 8324P supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8324P supports up to 1152 of RAM compared to 96 GB — 169.2% 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+95900%	DDR5-5600
Max RAM Capacity	1152	96 GB+8738033%
RAM Channels	6+200%	2
ECC Support	Yes	Yes
PCIe Lanes	96+243%	28

🔧

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.