Core i9-10900KF vs Ryzen 9 5900HX
Core i9-10900KF
Ryzen 9 5900HX
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 i9-10900KF
Performance Per Dollar Ryzen 9 5900HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-10900KF | Ryzen 9 5900HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($336) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Comet Lake (2020−2025) / 14 nm) | ✨ Modern (Cezanne-H (Zen 3) (2021) / 7 nm) |
💎 Value Proposition
| Insight | Core i9-10900KF | Ryzen 9 5900HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($336) | ✅ 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 i9-10900KF and Ryzen 9 5900HX
Core i9-10900KF
The Core i9-10900KF is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 22,231 points. Launch price was $509.
Ryzen 9 5900HX
The Ryzen 9 5900HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-H (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 22,198 points. Launch price was $299.
Processing Power
The Core i9-10900KF packs 10 cores / 20 threads, while the Ryzen 9 5900HX offers 8 cores / 16 threads — the Core i9-10900KF has 2 more cores. Boost clocks reach 5.2 GHz on the Core i9-10900KF versus 4.6 GHz on the Ryzen 9 5900HX — a 12.2% clock advantage for the Core i9-10900KF (base: 3.7 GHz vs 3.3 GHz). The Core i9-10900KF uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 9 5900HX uses Cezanne-H (Zen 3) (2021) (7 nm). In PassMark, the Core i9-10900KF scores 22,231 against the Ryzen 9 5900HX's 22,198 — a 0.1% lead for the Core i9-10900KF. Geekbench 6 single-core — the metric most relevant to gaming — records 1,767 vs 1,845, a 4.3% lead for the Ryzen 9 5900HX that directly translates to higher frame rates. Multi-core Geekbench: 9,261 vs 7,587 (19.9% advantage for the Core i9-10900KF). L3 cache: 20 MB (total) on the Core i9-10900KF vs 16 MB (total) on the Ryzen 9 5900HX.
| Feature | Core i9-10900KF | Ryzen 9 5900HX |
|---|---|---|
| Cores / Threads | 10 / 20+25% | 8 / 16 |
| Boost Clock | 5.2 GHz+13% | 4.6 GHz |
| Base Clock | 3.7 GHz+12% | 3.3 GHz |
| L3 Cache | 20 MB (total)+25% | 16 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm-50% |
| Architecture | Comet Lake (2020−2025) | Cezanne-H (Zen 3) (2021) |
| PassMark | 22,231 | 22,198 |
| Cinebench R23 Multi | — | 13,955 |
| Geekbench 6 Single | 1,767 | 1,845+4% |
| Geekbench 6 Multi | 9,261+22% | 7,587 |
Memory & Platform
The Core i9-10900KF uses the LGA1200 socket (PCIe 3.0), while the Ryzen 9 5900HX uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2933 memory speed. The Core i9-10900KF supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: LGA1200 (Core i9-10900KF) and FP6 (Ryzen 9 5900HX).
| Feature | Core i9-10900KF | Ryzen 9 5900HX |
|---|---|---|
| Socket | LGA1200 | FP6 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | DDR4-3200, LPDDR4-4266 |
| Max RAM Capacity | 128 GB+100% | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i9-10900KF) vs AMD-V (Ryzen 9 5900HX). The Ryzen 9 5900HX includes integrated graphics (Radeon RX Vega 8), while the Core i9-10900KF requires a dedicated GPU. Primary use case: Ryzen 9 5900HX targets Gaming Laptop / Mobile Workstation. Direct competitor: Ryzen 9 5900HX rivals Core i9-11980HK.
| Feature | Core i9-10900KF | Ryzen 9 5900HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon RX Vega 8 |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Gaming Laptop / Mobile Workstation |
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