Ryzen 7 PRO 7840U vs Core Ultra 7 155H
Ryzen 7 PRO 7840U
Core Ultra 7 155H
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 Ryzen 7 PRO 7840U
Performance Per Dollar Core Ultra 7 155H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 PRO 7840U | Core Ultra 7 155H |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Phoenix (Zen 4) (2023) / 4 nm) | ✨ Modern (Meteor Lake-H (2023) / 7 nm) |
💎 Value Proposition
| Insight | Ryzen 7 PRO 7840U | Core Ultra 7 155H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Ryzen 7 PRO 7840U and Core Ultra 7 155H
Ryzen 7 PRO 7840U
The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (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. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.
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.
Processing Power
The Ryzen 7 PRO 7840U packs 8 cores / 16 threads, while the Core Ultra 7 155H offers 16 cores / 22 threads — the Core Ultra 7 155H has 8 more cores. Boost clocks reach 5.1 GHz on the Ryzen 7 PRO 7840U versus 4.8 GHz on the Core Ultra 7 155H — a 6.1% clock advantage for the Ryzen 7 PRO 7840U (base: 3.3 GHz vs 3.8 GHz). The Ryzen 7 PRO 7840U uses the Phoenix (Zen 4) (2023) architecture (4 nm), while the Core Ultra 7 155H uses Meteor Lake-H (2023) (7 nm). In PassMark, the Ryzen 7 PRO 7840U scores 24,531 against the Core Ultra 7 155H's 24,705 — a 0.7% lead for the Core Ultra 7 155H. L3 cache: 16 MB on the Ryzen 7 PRO 7840U vs 24 MB (total) on the Core Ultra 7 155H.
| Feature | Ryzen 7 PRO 7840U | Core Ultra 7 155H |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 22+100% |
| Boost Clock | 5.1 GHz+6% | 4.8 GHz |
| Base Clock | 3.3 GHz | 3.8 GHz+15% |
| L3 Cache | 16 MB | 24 MB (total)+50% |
| L2 Cache | 8 MB+300% | 2 MB (per core) |
| Process | 4 nm-43% | 7 nm |
| Architecture | Phoenix (Zen 4) (2023) | Meteor Lake-H (2023) |
| PassMark | 24,531 | 24,705 |
| Cinebench R23 Multi | — | 17,650 |
| Geekbench 6 Single | — | 2,384 |
| Geekbench 6 Multi | — | 12,433 |
Memory & Platform
The Ryzen 7 PRO 7840U uses the FP7/FP8 socket (PCIe 4.0), while the Core Ultra 7 155H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 PRO 7840U | Core Ultra 7 155H |
|---|---|---|
| Socket | FP7/FP8 | FCBGA2049 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | — | LPDDR5x-7467, DDR5-5600 |
| Max RAM Capacity | — | 96 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 28 |
Advanced Features
Virtualization: not specified (Ryzen 7 PRO 7840U) / VT-x, VT-d, EPT (Core Ultra 7 155H). The Core Ultra 7 155H includes integrated graphics (Intel Arc Graphics (8 Xe-cores)), while the Ryzen 7 PRO 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 | Ryzen 7 PRO 7840U | Core Ultra 7 155H |
|---|---|---|
| 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 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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