Core Ultra 7 155H vs Ryzen 7 7800X3D

Intel

Core Ultra 7 155H

16 Cores22 Thrd0 WWMax: 4.8 GHz2023

Popular choices:

Ryzen 7 7800X3D
VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Popular choices:

Performance Spectrum - CPU

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.

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

  • Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 7800X3D.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (17,650 vs 18,500).

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +27.0% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

  • Launch MSRP is still $449 MSRP, while Core Ultra 7 155H mostly shows up through inconsistent older-market listings.
  • No boxed cooler included, unlike Core Ultra 7 155H.

Quick Answers

So, is Ryzen 7 7800X3D better than Core Ultra 7 155H?
Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 27.0% average FPS lead across 4 shared CPU game tests in our data, 4.8% better Cinebench R23 multi-core, 38.8% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 27.0% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 96 MB vs 24 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 4.8% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 300% larger total L3 cache (96 MB vs 24 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 27.0% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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?
Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting 3D V-Cache and a much larger 96 MB L3 cache instead of 24 MB and more multi-core headroom with 8 cores / 16 threads instead of 16/22. 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.

Path of Exile 2

Path of Exile 2

PresetCore Ultra 7 155HRyzen 7 7800X3D
1080p
low308 FPS266 FPS
medium278 FPS247 FPS
high232 FPS211 FPS
ultra198 FPS186 FPS
1440p
low251 FPS258 FPS
medium201 FPS215 FPS
high163 FPS171 FPS
ultra143 FPS154 FPS
4K
low173 FPS179 FPS
medium139 FPS149 FPS
high107 FPS112 FPS
ultra93 FPS100 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore Ultra 7 155HRyzen 7 7800X3D
1080p
low618 FPS857 FPS
medium532 FPS735 FPS
high434 FPS579 FPS
ultra389 FPS491 FPS
1440p
low550 FPS715 FPS
medium457 FPS607 FPS
high385 FPS497 FPS
ultra328 FPS396 FPS
4K
low340 FPS393 FPS
medium286 FPS337 FPS
high261 FPS314 FPS
ultra229 FPS271 FPS
League of Legends

League of Legends

PresetCore Ultra 7 155HRyzen 7 7800X3D
1080p
low618 FPS857 FPS
medium618 FPS857 FPS
high618 FPS857 FPS
ultra618 FPS857 FPS
1440p
low618 FPS857 FPS
medium618 FPS851 FPS
high618 FPS786 FPS
ultra543 FPS656 FPS
4K
low618 FPS558 FPS
medium531 FPS479 FPS
high475 FPS427 FPS
ultra402 FPS362 FPS
Valorant

Valorant

PresetCore Ultra 7 155HRyzen 7 7800X3D
1080p
low618 FPS857 FPS
medium618 FPS857 FPS
high618 FPS857 FPS
ultra618 FPS782 FPS
1440p
low618 FPS857 FPS
medium618 FPS760 FPS
high618 FPS669 FPS
ultra579 FPS576 FPS
4K
low606 FPS618 FPS
medium538 FPS556 FPS
high486 FPS495 FPS
ultra423 FPS428 FPS

Technical Specifications

Side-by-side comparison of Core Ultra 7 155H and Ryzen 7 7800X3D

Intel

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.

AMD

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

Processing Power

The Core Ultra 7 155H packs 16 cores / 22 threads, while the Ryzen 7 7800X3D 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 GHz on the Ryzen 7 7800X3D — a 4.1% clock advantage for the Ryzen 7 7800X3D (base: 3.8 GHz vs 4.4 GHz). The Core Ultra 7 155H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core Ultra 7 155H scores 24,705 against the Ryzen 7 7800X3D's 34,293 — a 32.5% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 17,650 vs 18,500 (4.7% advantage for the Ryzen 7 7800X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 2,384 vs 2,700, a 12.4% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 12,433 vs 15,000 (18.7% advantage for the Ryzen 7 7800X3D). L3 cache: 24 MB (total) on the Core Ultra 7 155H vs 96 MB (total) on the Ryzen 7 7800X3D.

FeatureCore Ultra 7 155HRyzen 7 7800X3D
Cores / Threads
16 / 22+100%
8 / 16
Boost Clock
4.8 GHz
5 GHz+4%
Base Clock
3.8 GHz
4.4 GHz+16%
L3 Cache
24 MB (total)
96 MB (total)+300%
L2 Cache
2 MB (per core)+100%
1 MB (per core)
Process
7 nm
5 nm-29%
Architecture
Meteor Lake-H (2023)
Raphael (Zen4) (2022−2023)
PassMark
24,705
34,293+39%
Cinebench R23 Multi
17,650
18,500+5%
Geekbench 6 Single
2,384
2,700+13%
Geekbench 6 Multi
12,433
15,000+21%
🧠

Memory & Platform

The Core Ultra 7 155H uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to LPDDR5x-7467, DDR5-5600 memory speed. The Ryzen 7 7800X3D 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. Both provide 28 PCIe lanes. Chipset compatibility: Meteor Lake SoC (Core Ultra 7 155H) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

FeatureCore Ultra 7 155HRyzen 7 7800X3D
Socket
FCBGA2049
AM5
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
LPDDR5x-7467, DDR5-5600
DDR5-5200
Max RAM Capacity
96 GB
128 GB+33%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
28
28
🔧

Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core Ultra 7 155H) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics Intel Arc Graphics (8 Xe-cores) (Core Ultra 7 155H) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 155H targets Thin-and-light Performance / AI, Ryzen 7 7800X3D targets Gaming. Direct competitor: Core Ultra 7 155H rivals Ryzen 7 8840HS; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureCore Ultra 7 155HRyzen 7 7800X3D
Integrated GPU
Yes
Yes
IGPU Model
Intel Arc Graphics (8 Xe-cores)
AMD Radeon Graphics (2-core)
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d, EPT
AMD-V
Target Use
Thin-and-light Performance / AI
Gaming