intel core i9 11900k vs amd ryzen 9 5900hx
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We compared two CPUs Intel Core i9 11900K (Desktop) 8-cores against AMD Ryzen 9 5900HX (Laptop) 8-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Key Differences
Advantages of Intel Core i9 11900K
- Newer released 0 years later
- 12% higher Turbo Boost frequency (5.2 GHz vs 4.6 GHz)
- Newer PCI Express version – 4
Advantages of AMD Ryzen 9 5900HX
- Consumes up to 64% less energy than the Intel Core i9 11900K – 45 vs 125 Watt
- More modern manufacturing process – 7 versus 14
Benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Vendor | Intel | AMD |
| Released | April 30 2021 | January 7 2021 |
| Type | Desktop | Laptop |
| instruction set | x86-64 | x86-64 |
| Codename | Rocket Lake | Cezanne H |
| Socket | FCLGA1200 | FP6 |
| Integrated GPU | Intel UHD Graphics 750 | AMD Radeon RX Vega 8 (Ryzen 4000/5000) |
Performance
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Base Frequency | 3.5 GHz | 3.3 GHz |
| Turbo Boost Frequency | 5.2 GHz | 4.6 GHz |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 512K (per core) |
| L3 Cache | 16 MB (shared) | 16 MB (shared) |
| Unlocked Multiplier | Yes | No |
Power
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Fabrication process | 14 nm | 7 nm |
| Power consumption (TDP) | 125 W | 45 W |
| Max. temperature | 100°C | 105°C |
Memory support
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Memory types | DDR4 | DDR4-4266 |
| Memory Size | 128 GB | GB |
| Max. Memory Channels | 2 | |
| Max. Memory Bandwidth | 50 GB/s | - |
| ECC Support | No | No |
iGPU
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Integrated Graphics | Intel UHD Graphics 750 | AMD Radeon RX Vega 8 (Ryzen 4000/5000) |
| GPU Base Clock | 300 MHz | MHz |
| GPU Boost Clock | 1.3 MHz | MHz |
| Shading Units | 256 | 512 |
| TMUs | 64 | 32 |
| ROPs | 32 | 8 |
| Execution Units | 32 | |
| TGP | 15 W | 15 W |
iGPU FLOPS
Misc
| Intel Core i9 11900K | AMD Ryzen 9 5900HX | |
| Official site | Intel Core i9 11900K official page | AMD Ryzen 9 5900HX official page |
| PCI Express Version | 4 | 3 |
| PCI Express Lanes | 20 |