Core Ultra 5 245KF
Ryzen 7 8840HX
Core Ultra 5 245KF vs Ryzen 7 8840HX Performance Spectrum
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.
Core Ultra 5 245KF vs Ryzen 7 8840HX FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Core Ultra 5 245KF vs Ryzen 7 8840HX: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core Ultra 5 245KF
2024Why buy it
Trade-offs
- ❌Smaller total L3 cache (24 MB vs 64 MB).
- ❌Launch MSRP is still $294 MSRP, while Ryzen 7 8840HX mostly shows up through inconsistent older-market listings.
- ❌127.3% higher power demand at 125W vs 55W.
Ryzen 7 8840HX
2025Why buy it
- ✅+166.7% larger total L3 cache (64 MB vs 24 MB).
- ✅Draws 55W instead of 125W, a 70W reduction.
- ✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark (42,275 vs 43,424).
Quick Answers
So, is Core Ultra 5 245KF better than Ryzen 7 8840HX?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core Ultra 5 245KF vs Ryzen 7 8840HX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 14.3% 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 — 200% 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 | Yes | Yes |
| 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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