Core Ultra 7 155H vs Ryzen 7 5800X
Core Ultra 7 155H
Popular choices:
Ryzen 7 5800X
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Ultra 7 155H
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 155H | Ryzen 7 5800X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
| Longevity | ✨ Modern (Meteor Lake-H (2023) / 7 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 155H | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
Performance Check
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.
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 | ❌ | ✅ |
| 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 |
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