Core Ultra 5 245KF vs Ryzen 7 8840HX
Core Ultra 5 245KF
Ryzen 7 8840HX
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 5 245KF
Performance Per Dollar Ryzen 7 8840HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 5 245KF | Ryzen 7 8840HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($189) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Dragon Range (2025) / 5 nm) |
💎 Value Proposition
| Insight | Core Ultra 5 245KF | Ryzen 7 8840HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($189) | ✅ More affordable ($0) |
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 5 245KF and Ryzen 7 8840HX
Core Ultra 5 245KF
The Core Ultra 5 245KF 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: 43,424 points. Launch price was $294.
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.
Processing Power
The Core Ultra 5 245KF packs 14 cores / 14 threads, while the Ryzen 7 8840HX offers 12 cores / 24 threads — the Core Ultra 5 245KF has 2 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 5 245KF versus 5.1 GHz on the Ryzen 7 8840HX — a 1.9% clock advantage for the Core Ultra 5 245KF (base: 4.2 GHz vs 2.9 GHz). The Core Ultra 5 245KF uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 7 8840HX uses Dragon Range (2025) (5 nm). In PassMark, the Core Ultra 5 245KF scores 43,424 against the Ryzen 7 8840HX's 42,275 — a 2.7% lead for the Core Ultra 5 245KF. L3 cache: 24 MB (total) on the Core Ultra 5 245KF vs 64 MB (total) on the Ryzen 7 8840HX.
| Feature | Core Ultra 5 245KF | Ryzen 7 8840HX |
|---|---|---|
| Cores / Threads | 14 / 14+17% | 12 / 24 |
| Boost Clock | 5.2 GHz+2% | 5.1 GHz |
| Base Clock | 4.2 GHz+45% | 2.9 GHz |
| L3 Cache | 24 MB (total) | 64 MB (total)+167% |
| L2 Cache | 3 MB (per core)+200% | 1 MB (per core) |
| Process | 3 nm-40% | 5 nm |
| Architecture | Arrow Lake-S (2024−2025) | Dragon Range (2025) |
| PassMark | 43,424+3% | 42,275 |
Memory & Platform
The Core Ultra 5 245KF uses the LGA1851 socket (PCIe 5.0), while the Ryzen 7 8840HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Core Ultra 5 245KF versus 5600 on the Ryzen 7 8840HX — the Core Ultra 5 245KF supports 13.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 245KF 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: 20 (Core Ultra 5 245KF) vs 28 (Ryzen 7 8840HX) — the Ryzen 7 8840HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890,B860 (Core Ultra 5 245KF) and FP8,FP7 (Ryzen 7 8840HX).
| Feature | Core Ultra 5 245KF | Ryzen 7 8840HX |
|---|---|---|
| Socket | LGA1851 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 6400+14% | 5600 |
| Max RAM Capacity | 192+200% | 64 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 28+40% |
Advanced Features
Only the Core Ultra 5 245KF 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 (Core Ultra 5 245KF) vs VT-x, VT-d, AMD-V (Ryzen 7 8840HX). Both include integrated graphics — Intel Graphics (4 Xe-cores) (Core Ultra 5 245KF) and AMD Radeon 780M (Ryzen 7 8840HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core Ultra 5 245KF rivals Ryzen 5 9600X; Ryzen 7 8840HX rivals Core i7-13700H.
| Feature | Core Ultra 5 245KF | Ryzen 7 8840HX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel Graphics (4 Xe-cores) | AMD Radeon 780M |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
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