Ryzen 7 8840HX vs Core Ultra 5 245K
Ryzen 7 8840HX
Core Ultra 5 245K
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 8840HX
Performance Per Dollar Core Ultra 5 245K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 8840HX | Core Ultra 5 245K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
| Longevity | ✨ Modern (Dragon Range (2025) / 5 nm) | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) |
💎 Value Proposition
| Insight | Ryzen 7 8840HX | Core Ultra 5 245K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
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 8840HX and Core Ultra 5 245K
Ryzen 7 8840HX
The Ryzen 7 8840HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 5.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 42,275 points. Launch price was $499.
Core Ultra 5 245K
The Core Ultra 5 245K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 14 cores and 14 threads. Base frequency is 4.2 GHz, with boost up to 5.2 GHz. L3 cache: 24 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 43,417 points. Launch price was $319.
Processing Power
The Ryzen 7 8840HX packs 12 cores / 24 threads, while the Core Ultra 5 245K offers 14 cores / 14 threads — the Core Ultra 5 245K has 2 more cores. Boost clocks reach 5.1 GHz on the Ryzen 7 8840HX versus 5.2 GHz on the Core Ultra 5 245K — a 1.9% clock advantage for the Core Ultra 5 245K (base: 2.9 GHz vs 4.2 GHz). The Ryzen 7 8840HX uses the Dragon Range (2025) architecture (5 nm), while the Core Ultra 5 245K uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Ryzen 7 8840HX scores 42,275 against the Core Ultra 5 245K's 43,417 — a 2.7% lead for the Core Ultra 5 245K. L3 cache: 64 MB (total) on the Ryzen 7 8840HX vs 24 MB (total) on the Core Ultra 5 245K.
| Feature | Ryzen 7 8840HX | Core Ultra 5 245K |
|---|---|---|
| Cores / Threads | 12 / 24 | 14 / 14+17% |
| Boost Clock | 5.1 GHz | 5.2 GHz+2% |
| Base Clock | 2.9 GHz | 4.2 GHz+45% |
| L3 Cache | 64 MB (total)+167% | 24 MB (total) |
| L2 Cache | 1 MB (per core) | 3 MB (per core)+200% |
| Process | 5 nm | 3 nm-40% |
| Architecture | Dragon Range (2025) | Arrow Lake-S (2024−2025) |
| PassMark | 42,275 | 43,417+3% |
Memory & Platform
The Ryzen 7 8840HX uses the FL1 socket (PCIe 5.0), while the Core Ultra 5 245K uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 7 8840HX versus 6400 on the Core Ultra 5 245K — the Core Ultra 5 245K supports 13.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 245K supports up to 192 of RAM compared to 64 — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 8840HX) vs 20 (Core Ultra 5 245K) — the Ryzen 7 8840HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP8,FP7 (Ryzen 7 8840HX) and Z890,B860 (Core Ultra 5 245K).
| Feature | Ryzen 7 8840HX | Core Ultra 5 245K |
|---|---|---|
| Socket | FL1 | LGA1851 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5600 | 6400+14% |
| Max RAM Capacity | 64 | 192+200% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28+40% | 20 |
Advanced Features
Only the Core Ultra 5 245K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 8840HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 7 8840HX) vs VT-x, VT-d (Core Ultra 5 245K). Both include integrated graphics — AMD Radeon 780M (Ryzen 7 8840HX) and Intel Graphics (4 Xe-cores) (Core Ultra 5 245K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 7 8840HX rivals Core i7-13700H; Core Ultra 5 245K rivals Ryzen 5 9600X.
| Feature | Ryzen 7 8840HX | Core Ultra 5 245K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon 780M | Intel Graphics (4 Xe-cores) |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
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