Ryzen 9 7945HX3D vs Core i9-14900KF
Ryzen 9 7945HX3D
Core i9-14900KF
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
Performance Per Dollar Core i9-14900KF
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($480) |
| Longevity | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / 5 nm) | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($480) |
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 9 7945HX3D and Core i9-14900KF
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.
Core i9-14900KF
The Core i9-14900KF is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 58,333 points. Launch price was $564.
Processing Power
The Ryzen 9 7945HX3D packs 16 cores / 32 threads, while the Core i9-14900KF offers 24 cores / 32 threads — the Core i9-14900KF has 8 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 5.8 GHz on the Core i9-14900KF — a 7.1% clock advantage for the Core i9-14900KF (base: 2.3 GHz vs 3.2 GHz). The Ryzen 9 7945HX3D uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the Core i9-14900KF uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the Core i9-14900KF's 58,333 — a 0.9% lead for the Core i9-14900KF. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 36 MB (total) on the Core i9-14900KF.
| Feature | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| Cores / Threads | 16 / 32 | 24 / 32+50% |
| Boost Clock | 5.4 GHz | 5.8 GHz+7% |
| Base Clock | 2.3 GHz | 3.2 GHz+39% |
| L3 Cache | 128 MB (total)+256% | 36 MB (total) |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 5 nm-29% | Intel 7 nm |
| Architecture | Dragon Range-HX (Zen 4) (2023−2024) | Raptor Lake-R (2023−2025) |
| PassMark | 57,803 | 58,333 |
| Cinebench R23 Multi | — | 42,000 |
| Geekbench 6 Single | — | 3,322 |
| Geekbench 6 Multi | — | 23,051 |
Memory & Platform
The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the Core i9-14900KF uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus DDR5-5600 on the Core i9-14900KF — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-14900KF 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: 28 (Ryzen 9 7945HX3D) vs 20 (Core i9-14900KF) — the Ryzen 9 7945HX3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and Intel Z790,Intel B760 (Core i9-14900KF).
| Feature | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| Socket | FL1 | LGA1700 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5200+103900% | DDR5-5600 |
| Max RAM Capacity | 128 | 192 GB+157286300% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28+40% | 20 |
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: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs true (Core i9-14900KF). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Core i9-14900KF requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; Core i9-14900KF rivals Ryzen 9 7950X.
| Feature | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon 610M | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | true |
Value Analysis
The Ryzen 9 7945HX3D launched at $0 MSRP, while the Core i9-14900KF debuted at $564. At current prices ($0 vs $480), the Ryzen 9 7945HX3D is $480 cheaper.
| Feature | Ryzen 9 7945HX3D | Core i9-14900KF |
|---|---|---|
| MSRP | $0-100% | $564 |
| Avg Price (30d) | $0-100% | $480 |
| Performance per Dollar | — | 121.5 |
| Release Date | 2023 | 2023 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Ryzen 9 7945HX3D and Core i9-14900KF
