Core Ultra 7 155H vs Ryzen 7 7840U

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.

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.

Core Ultra 7 155H

2023

Ryzen 7 7840U

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.

Why buy it

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

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840U 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 matters more to you. 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 better fit. You are getting 0.6% better PassMark, backed by 16 cores and 22 threads. It also carries 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 smarter buy today. Ryzen 7 7840U is at an unclear MSRP at $400 MSRP versus unclear MSRP, and it gives you a 5.2% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Core Ultra 7 155H is still stronger for heavier multi-core work with 0.6% better PassMark. It is also 100.0% better value on MSRP (61.4 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Core Ultra 7 155H is the more future-proof choice 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 should age better as games, background tasks, and creator workloads get heavier.

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.

Core Ultra 7 155H Benchmark Check

Ryzen 7 7840U Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 155H	Ryzen 7 7840U
1080p
low	308 FPS	257 FPS
medium	278 FPS	237 FPS
high	232 FPS	200 FPS
ultra	198 FPS	173 FPS
1440p
low	251 FPS	228 FPS
medium	201 FPS	191 FPS
high	163 FPS	155 FPS
ultra	143 FPS	138 FPS
4K
low	173 FPS	159 FPS
medium	139 FPS	134 FPS
high	107 FPS	104 FPS
ultra	93 FPS	92 FPS

Open Core Ultra 7 155H Open Ryzen 7 7840U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 155H	Ryzen 7 7840U
1080p
low	618 FPS	477 FPS
medium	532 FPS	395 FPS
high	434 FPS	342 FPS
ultra	389 FPS	306 FPS
1440p
low	550 FPS	417 FPS
medium	457 FPS	364 FPS
high	385 FPS	315 FPS
ultra	328 FPS	270 FPS
4K
low	340 FPS	275 FPS
medium	286 FPS	251 FPS
high	261 FPS	238 FPS
ultra	229 FPS	206 FPS

Open Core Ultra 7 155H Open Ryzen 7 7840U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 155H	Ryzen 7 7840U
1080p
low	618 FPS	614 FPS
medium	618 FPS	614 FPS
high	618 FPS	614 FPS
ultra	618 FPS	595 FPS
1440p
low	618 FPS	614 FPS
medium	618 FPS	614 FPS
high	618 FPS	526 FPS
ultra	543 FPS	452 FPS
4K
low	618 FPS	525 FPS
medium	531 FPS	459 FPS
high	475 FPS	407 FPS
ultra	402 FPS	345 FPS

Open Core Ultra 7 155H Open Ryzen 7 7840U

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 155H	Ryzen 7 7840U
1080p
low	618 FPS	614 FPS
medium	618 FPS	614 FPS
high	618 FPS	614 FPS
ultra	618 FPS	614 FPS
1440p
low	618 FPS	614 FPS
medium	618 FPS	614 FPS
high	618 FPS	614 FPS
ultra	579 FPS	549 FPS
4K
low	606 FPS	560 FPS
medium	538 FPS	502 FPS
high	486 FPS	447 FPS
ultra	423 FPS	384 FPS

Open Core Ultra 7 155H Open Ryzen 7 7840U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 155H and Ryzen 7 7840U

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	—