Core i7-11700K vs Ryzen 9 5900X
Core i7-11700K
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 i7-11700K
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+60%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i7-11700K and Ryzen 9 5900X
Core i7-11700K
The Core i7-11700K is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 24,362 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 i7-11700K packs 8 cores / 16 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 5 GHz on the Core i7-11700K versus 4.8 GHz on the Ryzen 9 5900X — a 4.1% clock advantage for the Core i7-11700K (base: 3.6 GHz vs 3.7 GHz). The Core i7-11700K uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-11700K scores 24,362 against the Ryzen 9 5900X's 38,955 — a 46.1% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 14,732 vs 21,000 (35.1% advantage for the Ryzen 9 5900X). L3 cache: 16 MB (total) on the Core i7-11700K vs 64 MB on the Ryzen 9 5900X.
| Feature | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 24+50% |
| Boost Clock | 5 GHz+4% | 4.8 GHz |
| Base Clock | 3.6 GHz | 3.7 GHz+3% |
| L3 Cache | 16 MB (total) | 64 MB+300% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Rocket Lake (2021) | Vermeer (Zen3) (2020−2022) |
| PassMark | 24,362 | 38,955+60% |
| Cinebench R23 Multi | 14,732 | 21,000+43% |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Core i7-11700K uses the LGA1200 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-11700K) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z590,B560 (Core i7-11700K) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA1200 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Core i7-11700K supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-11700K) vs AMD-V (Ryzen 9 5900X). The Core i7-11700K includes integrated graphics (UHD Graphics 750), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 750 | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Workstation |
Value Analysis
The Core i7-11700K launched at $399 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($350 vs $350), the Ryzen 9 5900X is $0 cheaper. In terms of value (PassMark points per dollar), the Core i7-11700K delivers 69.6 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 46.1% better value option.
| Feature | Core i7-11700K | Ryzen 9 5900X |
|---|---|---|
| MSRP | $399-27% | $549 |
| Avg Price (30d) | $350 | $350 |
| Performance per Dollar | 69.6 | 111.3+60% |
| Release Date | 2021 | 2020 |
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