Core Ultra 7 265KF vs Ryzen 9 7945HX3D
Core Ultra 7 265KF
Ryzen 9 7945HX3D
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 7 265KF
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($323) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / 5 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($323) | ✅ 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 7 265KF and Ryzen 9 7945HX3D
Core Ultra 7 265KF
The Core Ultra 7 265KF 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 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 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: 58,690 points. Launch price was $379.
Ryzen 9 7945HX3D
The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.
Processing Power
The Core Ultra 7 265KF packs 20 cores / 20 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Core Ultra 7 265KF has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265KF versus 5.4 GHz on the Ryzen 9 7945HX3D — a 1.8% clock advantage for the Core Ultra 7 265KF (base: 3.9 GHz vs 2.3 GHz). The Core Ultra 7 265KF uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Core Ultra 7 265KF scores 58,690 against the Ryzen 9 7945HX3D's 57,803 — a 1.5% lead for the Core Ultra 7 265KF. L3 cache: 30 MB (total) on the Core Ultra 7 265KF vs 128 MB (total) on the Ryzen 9 7945HX3D.
| Feature | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| Cores / Threads | 20 / 20+25% | 16 / 32 |
| Boost Clock | 5.5 GHz+2% | 5.4 GHz |
| Base Clock | 3.9 GHz+70% | 2.3 GHz |
| L3 Cache | 30 MB (total) | 128 MB (total)+327% |
| 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-HX (Zen 4) (2023−2024) |
| PassMark | 58,690+2% | 57,803 |
| Cinebench R23 Multi | 35,315 | — |
| Geekbench 6 Single | 3,055 | — |
| Geekbench 6 Multi | 20,373 | — |
Memory & Platform
The Core Ultra 7 265KF uses the LGA1851 socket (PCIe 5.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265KF versus 5200 on the Ryzen 9 7945HX3D — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265KF supports up to 192 GB of RAM compared to 128 — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 7 265KF) vs 28 (Ryzen 9 7945HX3D) — the Ryzen 9 7945HX3D offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z890 (Core Ultra 7 265KF) and FL1 (Ryzen 9 7945HX3D).
| Feature | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| Socket | LGA1851 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400 | 5200+103900% |
| Max RAM Capacity | 192 GB+157286300% | 128 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24 | 28+17% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7945HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 265KF) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Core Ultra 7 265KF requires a dedicated GPU. Direct competitor: Core Ultra 7 265KF rivals Ryzen 7 9700X; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.
| Feature | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon 610M |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
Value Analysis
The Core Ultra 7 265KF launched at $379 MSRP, while the Ryzen 9 7945HX3D debuted at $0. At current prices ($323 vs $0), the Ryzen 9 7945HX3D is $323 cheaper.
| Feature | Core Ultra 7 265KF | Ryzen 9 7945HX3D |
|---|---|---|
| MSRP | $379 | $0-100% |
| Avg Price (30d) | $323 | $0-100% |
| Performance per Dollar | 181.7 | — |
| Release Date | 2024 | 2023 |
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