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

✅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.

Core Ultra 7 155H

2023

Ryzen 7 5800X

2020

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.

Why buy it

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

Trade-offs

❌Lower PassMark (24,705 vs 27,712).
❌Smaller total L3 cache (24 MB vs 32 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 matters more to you. 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 better fit. You are getting 12.2% better PassMark, backed by 8 cores and 16 threads. It also carries 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 smarter buy today. Ryzen 7 5800X is at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you 12.2% better PassMark. The trade-off is that Core Ultra 7 155H is still the better pure gaming CPU with a 2.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), so 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 a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA2049 and DDR5 instead of AM4. 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.

Core Ultra 7 155H Benchmark Check

Ryzen 7 5800X Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 155H	Ryzen 7 5800X
1080p
low	308 FPS	206 FPS
medium	278 FPS	178 FPS
high	232 FPS	146 FPS
ultra	198 FPS	110 FPS
1440p
low	251 FPS	170 FPS
medium	201 FPS	142 FPS
high	163 FPS	115 FPS
ultra	143 FPS	88 FPS
4K
low	173 FPS	83 FPS
medium	139 FPS	74 FPS
high	107 FPS	59 FPS
ultra	93 FPS	46 FPS

Open Core Ultra 7 155H Open Ryzen 7 5800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 155H	Ryzen 7 5800X
1080p
low	618 FPS	662 FPS
medium	532 FPS	558 FPS
high	434 FPS	466 FPS
ultra	389 FPS	417 FPS
1440p
low	550 FPS	563 FPS
medium	457 FPS	493 FPS
high	385 FPS	423 FPS
ultra	328 FPS	361 FPS
4K
low	340 FPS	350 FPS
medium	286 FPS	308 FPS
high	261 FPS	288 FPS
ultra	229 FPS	250 FPS

Open Core Ultra 7 155H Open Ryzen 7 5800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 155H	Ryzen 7 5800X
1080p
low	618 FPS	693 FPS
medium	618 FPS	651 FPS
high	618 FPS	570 FPS
ultra	618 FPS	464 FPS
1440p
low	618 FPS	693 FPS
medium	618 FPS	573 FPS
high	618 FPS	498 FPS
ultra	543 FPS	413 FPS
4K
low	618 FPS	484 FPS
medium	531 FPS	410 FPS
high	475 FPS	363 FPS
ultra	402 FPS	302 FPS

Open Core Ultra 7 155H Open Ryzen 7 5800X

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 155H	Ryzen 7 5800X
1080p
low	618 FPS	693 FPS
medium	618 FPS	693 FPS
high	618 FPS	693 FPS
ultra	618 FPS	693 FPS
1440p
low	618 FPS	693 FPS
medium	618 FPS	693 FPS
high	618 FPS	672 FPS
ultra	579 FPS	593 FPS
4K
low	606 FPS	604 FPS
medium	538 FPS	550 FPS
high	486 FPS	495 FPS
ultra	423 FPS	436 FPS

Open Core Ultra 7 155H Open Ryzen 7 5800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 155H and Ryzen 7 5800X

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.

⚡

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)+300%	512K (per core)
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	—

🧠

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 22.2% 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 — 28.6% 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+25%	DDR4-3200
Max RAM Capacity	96 GB	128 GB+33%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	28+17%	24

🔧

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