CPU
GPU
Ryzen 5 8645HS
Core Ultra 5 135H
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 5 8645HS
Performance Per Dollar Core Ultra 5 135H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 8645HS | Core Ultra 5 135H |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Hawk Point-HS (Zen 4) (2023−2024) / 4 nm) | ✨ Modern (Meteor Lake-H (2023) / 7 nm) |
💎 Value Proposition
| Insight | Ryzen 5 8645HS | Core Ultra 5 135H |
|---|---|---|
| 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 5 8645HS and Core Ultra 5 135H
Ryzen 5 8645HS
The Ryzen 5 8645HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 22,257 points. Launch price was $299.
Core Ultra 5 135H
The Core Ultra 5 135H 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 14 cores and 18 threads. Base frequency is 3.6 GHz, with boost up to 4.6 GHz. L3 cache: 18 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 18 MB. Memory support: DDR5. Passmark benchmark score: 22,116 points. Launch price was $342.
Processing Power
The Ryzen 5 8645HS packs 6 cores / 12 threads, while the Core Ultra 5 135H offers 14 cores / 18 threads — the Core Ultra 5 135H has 8 more cores. Boost clocks reach 5 GHz on the Ryzen 5 8645HS versus 4.6 GHz on the Core Ultra 5 135H — a 8.3% clock advantage for the Ryzen 5 8645HS (base: 4.3 GHz vs 3.6 GHz). The Ryzen 5 8645HS uses the Hawk Point-HS (Zen 4) (2023−2024) architecture (4 nm), while the Core Ultra 5 135H uses Meteor Lake-H (2023) (7 nm). In PassMark, the Ryzen 5 8645HS scores 22,257 against the Core Ultra 5 135H's 22,116 — a 0.6% lead for the Ryzen 5 8645HS. L3 cache: 16 MB (total) on the Ryzen 5 8645HS vs 18 MB (total) on the Core Ultra 5 135H.
| Feature | Ryzen 5 8645HS | Core Ultra 5 135H |
|---|---|---|
| Cores / Threads | 6 / 12 | 14 / 18+133% |
| Boost Clock | 5 GHz+9% | 4.6 GHz |
| Base Clock | 4.3 GHz+19% | 3.6 GHz |
| L3 Cache | 16 MB (total) | 18 MB (total)+13% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | 7 nm |
| Architecture | Hawk Point-HS (Zen 4) (2023−2024) | Meteor Lake-H (2023) |
| PassMark | 22,257 | 22,116 |
| Cinebench R23 Multi | 13,316 | — |
| Geekbench 6 Single | 2,574 | — |
| Geekbench 6 Multi | 10,675 | — |
Memory & Platform
The Ryzen 5 8645HS uses the FP8 socket (PCIe 4.0), while the Core Ultra 5 135H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 5 8645HS | Core Ultra 5 135H |
|---|---|---|
| Socket | FP8 | FCBGA2049 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | LPDDR5x-7500 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: AMD-V (SVM) (Ryzen 5 8645HS) / not specified (Core Ultra 5 135H). The Ryzen 5 8645HS includes integrated graphics (Radeon 760M), while the Core Ultra 5 135H requires a dedicated GPU. Primary use case: Ryzen 5 8645HS targets Gaming. Direct competitor: Ryzen 5 8645HS rivals Core i5-13500H.
| Feature | Ryzen 5 8645HS | Core Ultra 5 135H |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon 760M | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | AMD-V (SVM) | — |
| Target Use | Gaming | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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