Ryzen 7 3700X vs Core i9-11900KB
Ryzen 7 3700X
Core i9-11900KB
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 7 3700X
Performance Per Dollar Core i9-11900KB
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($140) | ⚠️ Higher cost ($350) |
| Longevity | ✨ Modern (Matisse (Zen 2) (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) |
💎 Value Proposition
| Insight | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+147%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($140) | ⚠️ Higher cost ($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 Ryzen 7 3700X and Core i9-11900KB
Ryzen 7 3700X
The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.
Core i9-11900KB
The Core i9-11900KB is manufactured by Intel. It was released in Maio 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 22,693 points. Launch price was $539.
Processing Power
Both the Ryzen 7 3700X and Core i9-11900KB share an identical 8-core/16-thread configuration. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 4.9 GHz on the Core i9-11900KB — a 10.8% clock advantage for the Core i9-11900KB (base: 3.6 GHz vs 3.3 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Core i9-11900KB uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Ryzen 7 3700X scores 22,430 against the Core i9-11900KB's 22,693 — a 1.2% lead for the Core i9-11900KB. L3 cache: 32 MB on the Ryzen 7 3700X vs 24 MB (total) on the Core i9-11900KB.
| Feature | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.4 GHz | 4.9 GHz+11% |
| Base Clock | 3.6 GHz+9% | 3.3 GHz |
| L3 Cache | 32 MB+33% | 24 MB (total) |
| L2 Cache | 512K (per core) | 1.25 MB (per core)+150% |
| Process | 7 nm, 12 nm-30% | 10 nm SuperFin |
| Architecture | Matisse (Zen 2) (2019−2020) | Tiger Lake-H (2021) |
| PassMark | 22,430 | 22,693+1% |
| Cinebench R23 Multi | — | 12,264 |
| Geekbench 6 Multi | — | 10,645 |
Memory & Platform
The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Core i9-11900KB uses FCBGA1787 (PCIe 3.0) — 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: 24 (Ryzen 7 3700X) vs 20 (Core i9-11900KB) — the Ryzen 7 3700X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and Mobile (Core i9-11900KB).
| Feature | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| Socket | AM4 | FCBGA1787 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Virtualization: not specified (Ryzen 7 3700X) / VT-x, VT-d (Core i9-11900KB). The Core i9-11900KB includes integrated graphics (Intel UHD Graphics), while the Ryzen 7 3700X requires a dedicated GPU.
| Feature | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
Value Analysis
The Ryzen 7 3700X launched at $329 MSRP, while the Core i9-11900KB debuted at $539. At current prices ($140 vs $350), the Ryzen 7 3700X is $210 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 3700X delivers 160.2 pts/$ vs 64.8 pts/$ for the Core i9-11900KB — making the Ryzen 7 3700X the 84.8% better value option.
| Feature | Ryzen 7 3700X | Core i9-11900KB |
|---|---|---|
| MSRP | $329-39% | $539 |
| Avg Price (30d) | $140-60% | $350 |
| Performance per Dollar | 160.2+147% | 64.8 |
| Release Date | 2019 | 2021 |
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