Ryzen 5 7645HX vs Core i9-10920X
Ryzen 5 7645HX
Core i9-10920X
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 Ryzen 5 7645HX
Performance Per Dollar Core i9-10920X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 7645HX | Core i9-10920X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
| Longevity | ✨ Modern (Dragon Range (Zen4) (2023) / 5 nm) | ✨ Modern (Cascade Lake-X (2019) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 5 7645HX | Core i9-10920X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
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 5 7645HX and Core i9-10920X
Ryzen 5 7645HX
The Ryzen 5 7645HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range (Zen4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 45 Watt. Memory support: DDR5-5200. Passmark benchmark score: 26,097 points. Launch price was $299.
Core i9-10920X
The Core i9-10920X is manufactured by Intel. It was released in 19 October 2019 (6 years ago). It is based on the Cascade Lake-X (2019) architecture. It features 12 cores and 24 threads. Base frequency is 3.5 GHz, with boost up to 4.8 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 25,875 points. Launch price was $299.
Processing Power
The Ryzen 5 7645HX packs 6 cores / 12 threads, while the Core i9-10920X offers 12 cores / 24 threads — the Core i9-10920X has 6 more cores. Boost clocks reach 5 GHz on the Ryzen 5 7645HX versus 4.8 GHz on the Core i9-10920X — a 4.1% clock advantage for the Ryzen 5 7645HX (base: 4 GHz vs 3.5 GHz). The Ryzen 5 7645HX uses the Dragon Range (Zen4) (2023) architecture (5 nm), while the Core i9-10920X uses Cascade Lake-X (2019) (14 nm). In PassMark, the Ryzen 5 7645HX scores 26,097 against the Core i9-10920X's 25,875 — a 0.9% lead for the Ryzen 5 7645HX. Cinebench R23 multi-core: 13,985 vs 15,458 (10% advantage for the Core i9-10920X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,588 vs 1,250, a 69.7% lead for the Ryzen 5 7645HX that directly translates to higher frame rates. Multi-core Geekbench: 11,717 vs 12,000 (2.4% advantage for the Core i9-10920X). L3 cache: 32 MB (total) on the Ryzen 5 7645HX vs 19.25 MB (total) on the Core i9-10920X.
| Feature | Ryzen 5 7645HX | Core i9-10920X |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 24+100% |
| Boost Clock | 5 GHz+4% | 4.8 GHz |
| Base Clock | 4 GHz+14% | 3.5 GHz |
| L3 Cache | 32 MB (total)+66% | 19.25 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm-64% | 14 nm |
| Architecture | Dragon Range (Zen4) (2023) | Cascade Lake-X (2019) |
| PassMark | 26,097 | 25,875 |
| Cinebench R23 Multi | 13,985 | 15,458+11% |
| Geekbench 6 Single | 2,588+107% | 1,250 |
| Geekbench 6 Multi | 11,717 | 12,000+2% |
Memory & Platform
The Ryzen 5 7645HX uses the FL1 socket (PCIe 5.0), while the Core i9-10920X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 5 7645HX versus DDR4-2933 on the Core i9-10920X — the Ryzen 5 7645HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-10920X supports up to 256 GB of RAM compared to 64 GB — 120% more capacity for professional workloads. Memory channels: 2 (Ryzen 5 7645HX) vs 4 (Core i9-10920X). PCIe lanes: 28 (Ryzen 5 7645HX) vs 44 (Core i9-10920X) — the Core i9-10920X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Ryzen 5 7645HX) and X299 (Core i9-10920X).
| Feature | Ryzen 5 7645HX | Core i9-10920X |
|---|---|---|
| Socket | FL1 | LGA2066 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-5200+25% | DDR4-2933 |
| Max RAM Capacity | 64 GB | 256 GB+300% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 28 | 44+57% |
Advanced Features
Only the Core i9-10920X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (SVM) (Ryzen 5 7645HX) vs VT-x, VT-d, EPT (Core i9-10920X). The Ryzen 5 7645HX includes integrated graphics (Radeon 610M), while the Core i9-10920X requires a dedicated GPU. Primary use case: Ryzen 5 7645HX targets Gaming, Core i9-10920X targets HEDT/Workstation. Direct competitor: Ryzen 5 7645HX rivals Core i5-13500HX.
| Feature | Ryzen 5 7645HX | Core i9-10920X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 610M | — |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V (SVM) | VT-x, VT-d, EPT |
| Target Use | Gaming | HEDT/Workstation |
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