Core Ultra 7 155H vs Ryzen 7 5800X

Core Ultra 7 155H vs Ryzen 7 5800X Performance Spectrum

Core Ultra 7 155H

16 / 22

24,705

0.0%

27,712

+12.2%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

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 155H vs Ryzen 7 5800X 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 155H vs Ryzen 7 5800X: 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 155H

2023

Why buy it

✅Newer platform on FCBGA2049 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel Arc Graphics (8 Xe-cores), while Ryzen 7 5800X needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 5800X.

Trade-offs

❌Lower PassMark (24,705 vs 27,712).
❌Smaller total L3 cache (24 MB vs 32 MB).

Ryzen 7 5800X

2020

Why buy it

✅+12.2% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).

Trade-offs

❌Launch MSRP is still $449 MSRP, while Core Ultra 7 155H mostly shows up through inconsistent older-market listings.
❌Older platform position on AM4 with DDR4, while Core Ultra 7 155H moves to FCBGA2049 and DDR5.
❌No integrated graphics, while Core Ultra 7 155H can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core Ultra 7 155H.

Quick Answers

So, is Ryzen 7 5800X better than Core Ultra 7 155H?

It depends on what you want from the system. For gaming, Core Ultra 7 155H 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, Ryzen 7 5800X pulls ahead with 12.2% better PassMark. Ryzen 7 5800X also has the bigger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the stronger fit. You are getting 12.2% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

Ryzen 7 5800X is the better buy right now. Ryzen 7 5800X comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you 12.2% better PassMark. The compromise is that Core Ultra 7 155H is still the better pure gaming CPU with a 2.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core Ultra 7 155H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA2049 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 7 155H vs Ryzen 7 5800X Technical Specifications

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

Core Ultra 7 155H

The Core Ultra 7 155H is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-H (2023) architecture. It features 16 cores and 22 threads. Base frequency is 3.8 GHz, with boost up to 4.8 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 24 MB. Memory support: DDR5. Passmark benchmark score: 24,705 points. Launch price was $503.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The Core Ultra 7 155H packs 16 cores / 22 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Core Ultra 7 155H has 8 more cores. Boost clocks reach 4.8 GHz on the Core Ultra 7 155H versus 4.7 GHz on the Ryzen 7 5800X — a 2.1% clock advantage for the Core Ultra 7 155H (base: 3.8 GHz vs 3.8 GHz). The Core Ultra 7 155H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core Ultra 7 155H scores 24,705 against the Ryzen 7 5800X's 27,712 — a 11.5% lead for the Ryzen 7 5800X. L3 cache: 24 MB (total) on the Core Ultra 7 155H vs 32 MB on the Ryzen 7 5800X.

Feature	Core Ultra 7 155H	Ryzen 7 5800X
Cores / Threads	16 / 22+100%	8 / 16
Boost Clock	4.8 GHz+2%	4.7 GHz
Base Clock	3.8 GHz	3.8 GHz
L3 Cache	24 MB (total)	32 MB+33%
L2 Cache	2 MB (per core)	512K (per core)+25500%
Process	7 nm	7 nm, 12 nm
Architecture	Meteor Lake-H (2023)	Vermeer (Zen 3) (2020−2022)
PassMark	24,705	27,712+12%
Cinebench R23 Multi	17,650	—
Geekbench 6 Single	2,384	—
Geekbench 6 Multi	12,433	—

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Memory & Platform

The Core Ultra 7 155H uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5x-7467, DDR5-5600 on the Core Ultra 7 155H versus DDR4-3200 on the Ryzen 7 5800X — the Core Ultra 7 155H supports 133.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 96 GB — 33.3% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Core Ultra 7 155H) vs 24 (Ryzen 7 5800X) — the Core Ultra 7 155H offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Meteor Lake SoC (Core Ultra 7 155H) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	Core Ultra 7 155H	Ryzen 7 5800X
Socket	FCBGA2049	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	LPDDR5x-7467, DDR5-5600+133%	DDR4-3200
Max RAM Capacity	96 GB	128 GB+33%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	28+17%	24

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Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core Ultra 7 155H) vs AMD-V (Ryzen 7 5800X). The Core Ultra 7 155H includes integrated graphics (Intel Arc Graphics (8 Xe-cores)), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Core Ultra 7 155H targets Thin-and-light Performance / AI, Ryzen 7 5800X targets Desktop. Direct competitor: Core Ultra 7 155H rivals Ryzen 7 8840HS.

Feature	Core Ultra 7 155H	Ryzen 7 5800X
Integrated GPU	Yes	No
IGPU Model	Intel Arc Graphics (8 Xe-cores)	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Thin-and-light Performance / AI	Desktop