Core Ultra 7 155U vs Ryzen 7 1800X

Core Ultra 7 155U vs Ryzen 7 1800X Performance Spectrum

Core Ultra 7 155U

12 / 14

16,185

0.0%

16,305

+0.7%

Ryzen AI Max+ PRO 395

Ryzen 9 9950X3D

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 155U vs Ryzen 7 1800X 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 155U vs Ryzen 7 1800X: 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 155U

2023

Why buy it

✅Better for gaming: +5.5% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on FCBGA2049 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Lower PassMark (16,185 vs 16,305).
❌Smaller total L3 cache (12 MB vs 16 MB).

Ryzen 7 1800X

2017

Why buy it

✅+0.7% higher PassMark.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 155U across 50 shared CPU benchmark tests.
❌Launch MSRP is still $499 MSRP, while Core Ultra 7 155U mostly shows up through inconsistent older-market listings.
❌Older platform position on AM4 with DDR4, while Core Ultra 7 155U moves to FCBGA2049 and DDR5.

Quick Answers

So, is Ryzen 7 1800X better than Core Ultra 7 155U?

It depends on what you want from the system. For gaming, Core Ultra 7 155U is ahead with a 5.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 1800X pulls ahead with 0.7% better PassMark. Ryzen 7 1800X also has the bigger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 1800X is the stronger fit. You are getting 0.7% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Ryzen 7 1800X is the better buy right now. Ryzen 7 1800X comes in at an unclear MSRP at $499 MSRP versus unclear MSRP, and it still gives you 0.7% better PassMark. The compromise is that Core Ultra 7 155U is still the better pure gaming CPU with a 5.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (32.7 vs 0.0 PassMark/$), 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 155U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017) 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 155U vs Ryzen 7 1800X Technical Specifications

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

Core Ultra 7 155U

The Core Ultra 7 155U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-P (2023) architecture. It features 12 cores and 14 threads. Base frequency is 1.7 GHz, with boost up to 4.8 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 16,185 points. Launch price was $490.

Ryzen 7 1800X

The Ryzen 7 1800X is manufactured by AMD. It was released in 2 March 2017 (8 years ago). It is based on the Zen (2017−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 16384 kB. L2 cache: 4096 kB. Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 16,305 points. Launch price was $499.

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Processing Power

The Core Ultra 7 155U packs 12 cores / 14 threads, while the Ryzen 7 1800X offers 8 cores / 16 threads — the Core Ultra 7 155U has 4 more cores. Boost clocks reach 4.8 GHz on the Core Ultra 7 155U versus 4 GHz on the Ryzen 7 1800X — a 18.2% clock advantage for the Core Ultra 7 155U (base: 1.7 GHz vs 3.6 GHz). The Core Ultra 7 155U uses the Meteor Lake-P (2023) architecture (7 nm), while the Ryzen 7 1800X uses Zen (2017−2020) (14 nm). In PassMark, the Core Ultra 7 155U scores 16,185 against the Ryzen 7 1800X's 16,305 — a 0.7% lead for the Ryzen 7 1800X. L3 cache: 12 MB (total) on the Core Ultra 7 155U vs 16384 kB on the Ryzen 7 1800X.

Feature	Core Ultra 7 155U	Ryzen 7 1800X
Cores / Threads	12 / 14+50%	8 / 16
Boost Clock	4.8 GHz+20%	4 GHz
Base Clock	1.7 GHz	3.6 GHz+112%
L3 Cache	12 MB (total)	16384 kB+33%
L2 Cache	2 MB (per core)	4096 kB+100%
Process	7 nm-50%	14 nm
Architecture	Meteor Lake-P (2023)	Zen (2017−2020)
PassMark	16,185	16,305
Cinebench R23 Multi	—	9,314
Geekbench 6 Single	—	1,130
Geekbench 6 Multi	—	5,700

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Memory & Platform

The Core Ultra 7 155U uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 7 1800X uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core Ultra 7 155U	Ryzen 7 1800X
Socket	FCBGA2049	AM4
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	—	DDR4-2666
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

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Advanced Features

Virtualization: not specified (Core Ultra 7 155U) / AMD-V (Ryzen 7 1800X). Primary use case: Ryzen 7 1800X targets Gaming. Direct competitor: Ryzen 7 1800X rivals Core i7-8700.