Core i9-10940X vs Ryzen 7 7840H
Core i9-10940X
Ryzen 7 7840H
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 i9-10940X
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-10940X | Ryzen 7 7840H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($460) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Cascade Lake-X (2019) / 14 nm) | ✨ Modern (Phoenix (2023−2024) / 4 nm) |
💎 Value Proposition
| Insight | Core i9-10940X | Ryzen 7 7840H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($460) | ✅ 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 i9-10940X and Ryzen 7 7840H
Core i9-10940X
The Core i9-10940X 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 14 cores and 28 threads. Base frequency is 3.3 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: 27,684 points. Launch price was $299.
Ryzen 7 7840H
The Ryzen 7 7840H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 27,832 points. Launch price was $299.
Processing Power
The Core i9-10940X packs 14 cores / 28 threads, while the Ryzen 7 7840H offers 8 cores / 16 threads — the Core i9-10940X has 6 more cores. Boost clocks reach 4.8 GHz on the Core i9-10940X versus 5.1 GHz on the Ryzen 7 7840H — a 6.1% clock advantage for the Ryzen 7 7840H (base: 3.3 GHz vs 3.8 GHz). The Core i9-10940X uses the Cascade Lake-X (2019) architecture (14 nm), while the Ryzen 7 7840H uses Phoenix (2023−2024) (4 nm). In PassMark, the Core i9-10940X scores 27,684 against the Ryzen 7 7840H's 27,832 — a 0.5% lead for the Ryzen 7 7840H. L3 cache: 19.25 MB (total) on the Core i9-10940X vs 16 MB (total) on the Ryzen 7 7840H.
| Feature | Core i9-10940X | Ryzen 7 7840H |
|---|---|---|
| Cores / Threads | 14 / 28+75% | 8 / 16 |
| Boost Clock | 4.8 GHz | 5.1 GHz+6% |
| Base Clock | 3.3 GHz | 3.8 GHz+15% |
| L3 Cache | 19.25 MB (total)+20% | 16 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 4 nm-71% |
| Architecture | Cascade Lake-X (2019) | Phoenix (2023−2024) |
| PassMark | 27,684 | 27,832 |
| Cinebench R23 Multi | 19,000 | — |
| Geekbench 6 Single | 1,450 | — |
| Geekbench 6 Multi | 11,000 | — |
Memory & Platform
The Core i9-10940X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 7840H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-10940X | Ryzen 7 7840H |
|---|---|---|
| Socket | LGA2066 | FP8 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 48 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-10940X) / not specified (Ryzen 7 7840H). Primary use case: Core i9-10940X targets High-End Desktop.
| Feature | Core i9-10940X | Ryzen 7 7840H |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | High-End Desktop | — |
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