Core i9-10940X vs Ryzen 9 5900X
Core i9-10940X
Ryzen 9 5900X
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 Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($460) | ✅ More affordable ($350) |
| Longevity | ✨ Modern (Cascade Lake-X (2019) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+85%) |
| Upfront Cost | ⚠️ Higher cost ($460) | ✅ More affordable ($350) |
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 9 5900X
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 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Core i9-10940X packs 14 cores / 28 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Core i9-10940X has 2 more cores. Boost clocks reach 4.8 GHz on the Core i9-10940X versus 4.8 GHz on the Ryzen 9 5900X — identical boost frequencies (base: 3.3 GHz vs 3.7 GHz). The Core i9-10940X uses the Cascade Lake-X (2019) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i9-10940X scores 27,684 against the Ryzen 9 5900X's 38,955 — a 33.8% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 19,000 vs 21,000 (10% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,450 vs 2,174, a 40% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 11,000 vs 11,888 (7.8% advantage for the Ryzen 9 5900X). L3 cache: 19.25 MB (total) on the Core i9-10940X vs 64 MB on the Ryzen 9 5900X.
| Feature | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 14 / 28+17% | 12 / 24 |
| Boost Clock | 4.8 GHz | 4.8 GHz |
| Base Clock | 3.3 GHz | 3.7 GHz+12% |
| L3 Cache | 19.25 MB (total) | 64 MB+232% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Cascade Lake-X (2019) | Vermeer (Zen3) (2020−2022) |
| PassMark | 27,684 | 38,955+41% |
| Cinebench R23 Multi | 19,000 | 21,000+11% |
| Geekbench 6 Single | 1,450 | 2,174+50% |
| Geekbench 6 Multi | 11,000 | 11,888+8% |
Memory & Platform
The Core i9-10940X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2933 memory speed. The Core i9-10940X supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Memory channels: 4 (Core i9-10940X) vs 2 (Ryzen 9 5900X). PCIe lanes: 48 (Core i9-10940X) vs 24 (Ryzen 9 5900X) — the Core i9-10940X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-10940X) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA2066 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | DDR4-3200 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 48+100% | 24 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Core i9-10940X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-10940X) vs AMD-V (Ryzen 9 5900X). Primary use case: Core i9-10940X targets High-End Desktop, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | High-End Desktop | Workstation |
Value Analysis
The Core i9-10940X launched at $784 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($460 vs $350), the Ryzen 9 5900X is $110 cheaper. In terms of value (PassMark points per dollar), the Core i9-10940X delivers 60.2 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 59.6% better value option.
| Feature | Core i9-10940X | Ryzen 9 5900X |
|---|---|---|
| MSRP | $784 | $549-30% |
| Avg Price (30d) | $460 | $350-24% |
| Performance per Dollar | 60.2 | 111.3+85% |
| Release Date | 2019 | 2020 |
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