Core i9-11900KB vs Ryzen 5 7640HS
Core i9-11900KB
Ryzen 5 7640HS
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 i9-11900KB
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900KB | Ryzen 5 7640HS |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($350) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Phoenix-HS (Zen 4) (2023) / 4 nm) |
💎 Value Proposition
| Insight | Core i9-11900KB | Ryzen 5 7640HS |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($350) | ✅ 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 i9-11900KB and Ryzen 5 7640HS
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.
Ryzen 5 7640HS
The Ryzen 5 7640HS is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 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. Passmark benchmark score: 22,921 points. Launch price was $299.
Processing Power
The Core i9-11900KB packs 8 cores / 16 threads, while the Ryzen 5 7640HS offers 6 cores / 12 threads — the Core i9-11900KB has 2 more cores. Boost clocks reach 4.9 GHz on the Core i9-11900KB versus 5 GHz on the Ryzen 5 7640HS — a 2% clock advantage for the Ryzen 5 7640HS (base: 3.3 GHz vs 4.3 GHz). The Core i9-11900KB uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Ryzen 5 7640HS uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Core i9-11900KB scores 22,693 against the Ryzen 5 7640HS's 22,921 — a 1% lead for the Ryzen 5 7640HS. L3 cache: 24 MB (total) on the Core i9-11900KB vs 16 MB (total) on the Ryzen 5 7640HS.
| Feature | Core i9-11900KB | Ryzen 5 7640HS |
|---|---|---|
| Cores / Threads | 8 / 16+33% | 6 / 12 |
| Boost Clock | 4.9 GHz | 5 GHz+2% |
| Base Clock | 3.3 GHz | 4.3 GHz+30% |
| L3 Cache | 24 MB (total)+50% | 16 MB (total) |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm SuperFin | 4 nm-60% |
| Architecture | Tiger Lake-H (2021) | Phoenix-HS (Zen 4) (2023) |
| PassMark | 22,693 | 22,921+1% |
| Cinebench R23 Multi | 12,264 | — |
| Geekbench 6 Multi | 10,645 | — |
Memory & Platform
The Core i9-11900KB uses the FCBGA1787 socket (PCIe 3.0), while the Ryzen 5 7640HS uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900KB | Ryzen 5 7640HS |
|---|---|---|
| Socket | FCBGA1787 | FP8 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-11900KB) / not specified (Ryzen 5 7640HS). The Core i9-11900KB includes integrated graphics (Intel UHD Graphics), while the Ryzen 5 7640HS requires a dedicated GPU.
| Feature | Core i9-11900KB | Ryzen 5 7640HS |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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