Core Ultra 7 155H vs Ryzen 7 7840U

Core Ultra 7 155H vs Ryzen 7 7840U Performance Spectrum

Core Ultra 7 155H

16 / 22

24,705

+0.6%

24,547

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 7840U 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 7840U: 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

✅+0.6% higher PassMark.
✅+50% larger total L3 cache (24 MB vs 16 MB).
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel Arc Graphics (8 Xe-cores), while Ryzen 7 7840U needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 7840U.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840U across 50 shared CPU benchmark tests.

Ryzen 7 7840U

2023

Why buy it

✅Better for gaming: +5.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (24,547 vs 24,705).
❌Smaller total L3 cache (16 MB vs 24 MB).
❌Launch MSRP is still $400 MSRP, while Core Ultra 7 155H mostly shows up through inconsistent older-market listings.
❌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 7840U better than Core Ultra 7 155H?

It depends on what you want from the system. For gaming, Ryzen 7 7840U is ahead with a 5.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core Ultra 7 155H pulls ahead with 0.6% better PassMark. Core Ultra 7 155H also has the bigger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Core Ultra 7 155H is the stronger fit. You are getting 0.6% better PassMark, backed by 16 cores and 22 threads. It also has the larger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).

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

Ryzen 7 7840U is the better buy right now. Ryzen 7 7840U comes in at an unclear MSRP at $400 MSRP versus unclear MSRP, and it still gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core Ultra 7 155H is still stronger for heavier multi-core work with 0.6% better PassMark. It is also 100.0% better value on MSRP (61.4 vs 0.0 PassMark/$), 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 50% larger total L3 cache (24 MB vs 16 MB) and more multi-core headroom with 16 cores / 22 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core Ultra 7 155H vs Ryzen 7 7840U 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 7840U

The Ryzen 7 7840U is manufactured by AMD. It was released in Maio 2023 (2 years ago). It is based on the Phoenix-U (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5-5600. Passmark benchmark score: 24,547 points. Launch price was $299.

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Processing Power

The Core Ultra 7 155H packs 16 cores / 22 threads, while the Ryzen 7 7840U 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 5.1 GHz on the Ryzen 7 7840U — a 6.1% clock advantage for the Ryzen 7 7840U (base: 3.8 GHz vs 3.3 GHz). The Core Ultra 7 155H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 7 7840U uses Phoenix-U (Zen 4) (2023) (4 nm). In PassMark, the Core Ultra 7 155H scores 24,705 against the Ryzen 7 7840U's 24,547 — a 0.6% lead for the Core Ultra 7 155H. L3 cache: 24 MB (total) on the Core Ultra 7 155H vs 16 MB (total) on the Ryzen 7 7840U.

Feature	Core Ultra 7 155H	Ryzen 7 7840U
Cores / Threads	16 / 22+100%	8 / 16
Boost Clock	4.8 GHz	5.1 GHz+6%
Base Clock	3.8 GHz+15%	3.3 GHz
L3 Cache	24 MB (total)+50%	16 MB (total)
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	7 nm	4 nm-43%
Architecture	Meteor Lake-H (2023)	Phoenix-U (Zen 4) (2023)
PassMark	24,705	24,547
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 7840U uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core Ultra 7 155H	Ryzen 7 7840U
Socket	FCBGA2049	FP8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	LPDDR5x-7467, DDR5-5600	—
Max RAM Capacity	96 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	28	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core Ultra 7 155H) / not specified (Ryzen 7 7840U). The Core Ultra 7 155H includes integrated graphics (Intel Arc Graphics (8 Xe-cores)), while the Ryzen 7 7840U requires a dedicated GPU. Primary use case: Core Ultra 7 155H targets Thin-and-light Performance / AI. Direct competitor: Core Ultra 7 155H rivals Ryzen 7 8840HS.

Feature	Core Ultra 7 155H	Ryzen 7 7840U
Integrated GPU	Yes	—
IGPU Model	Intel Arc Graphics (8 Xe-cores)	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Thin-and-light Performance / AI	—