Core Ultra 7 255HX vs EPYC 4465P

Core Ultra 7 255HX vs EPYC 4465P Performance Spectrum

Core Ultra 7 255HX

20 / 20

49,765

0.0%

50,216

+0.9%

Ryzen 7 5800XT

Ryzen AI 9 HX PRO 375

Ryzen 9 5900X

Ryzen 9 5900XT

Ryzen 9 9950X

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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.

Core Ultra 7 255HX vs EPYC 4465P 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.

Core Ultra 7 255HX vs EPYC 4465P: Pros, Cons & Final Verdict

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

Core Ultra 7 255HX

2025

Why buy it

✅Draws 55W instead of 65W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4465P across 50 shared CPU benchmark tests.
❌Lower PassMark (49,765 vs 50,216).
❌Smaller total L3 cache (30 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 4465P, which brings 12 cores / 24 threads and 28 PCIe lanes.

EPYC 4465P

2025

Why buy it

✅Better for gaming: +4.2% higher average FPS across 50 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 28 PCIe lanes vs 24.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $399 MSRP, while Core Ultra 7 255HX mostly shows up through inconsistent older-market listings.
❌18.2% higher power demand at 65W vs 55W.

Quick Answers

So, is EPYC 4465P better than Core Ultra 7 255HX?

Not really, because they are built for different jobs. EPYC 4465P makes more sense for workstation-style multi-core throughput, while Core Ultra 7 255HX is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, EPYC 4465P is the better pick. According to our tests, it delivers 4.2% 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 4465P is the stronger fit. You are getting 0.9% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 113.3% larger total L3 cache (64 MB vs 30 MB).

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

EPYC 4465P is the better buy right now. EPYC 4465P comes in at an unclear MSRP at $399 MSRP versus unclear MSRP, and it still gives you a 4.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (125.9 vs 0.0 PassMark/$), 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 4465P makes more sense long term for 2026 and beyond. You are getting 113.3% larger total L3 cache (64 MB vs 30 MB), more multi-core headroom with 12 cores / 24 threads instead of 20/20, and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core Ultra 7 255HX vs EPYC 4465P Technical Specifications

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

Core Ultra 7 255HX

The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 49,765 points. Launch price was $450.

EPYC 4465P

The EPYC 4465P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.4 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: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 50,216 points. Launch price was $399.

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Processing Power

The Core Ultra 7 255HX packs 20 cores / 20 threads, while the EPYC 4465P offers 12 cores / 24 threads — the Core Ultra 7 255HX has 8 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255HX versus 5.4 GHz on the EPYC 4465P — a 3.8% clock advantage for the EPYC 4465P (base: 2.4 GHz vs 3.4 GHz). The Core Ultra 7 255HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the EPYC 4465P uses Grado (2025) (4 nm). In PassMark, the Core Ultra 7 255HX scores 49,765 against the EPYC 4465P's 50,216 — a 0.9% lead for the EPYC 4465P. L3 cache: 30 MB (total) on the Core Ultra 7 255HX vs 64 MB (total) on the EPYC 4465P.

Feature	Core Ultra 7 255HX	EPYC 4465P
Cores / Threads	20 / 20+67%	12 / 24
Boost Clock	5.2 GHz	5.4 GHz+4%
Base Clock	2.4 GHz	3.4 GHz+42%
L3 Cache	30 MB (total)	64 MB (total)+113%
L2 Cache	3 MB (per core)+200%	1 MB (per core)
Process	3 nm-25%	4 nm
Architecture	Arrow Lake-HX (2025)	Grado (2025)
PassMark	49,765	50,216
Geekbench 6 Single	2,923	—
Geekbench 6 Multi	16,885	—

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Memory & Platform

The Core Ultra 7 255HX uses the FCBGA2114 socket (PCIe 5.0), while the EPYC 4465P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255HX versus 5200 on the EPYC 4465P — the Core Ultra 7 255HX supports 23.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 255HX supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 7 255HX) vs 28 (EPYC 4465P) — the EPYC 4465P offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870,Intel WM880 (Core Ultra 7 255HX) and AM5 (EPYC 4465P).

Feature	Core Ultra 7 255HX	EPYC 4465P
Socket	FCBGA2114	AM5
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6400+23%	5200
Max RAM Capacity	192 GB+50%	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	24	28+17%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the EPYC 4465P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 255HX) vs VT-x, VT-d, AMD-V (EPYC 4465P). Both include integrated graphics — Intel Arc Xe-LPG (Core Ultra 7 255HX) and AMD Radeon Graphics (EPYC 4465P) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX; EPYC 4465P rivals Core i7-14700K.