Intel Core i9 11900 vs i9 10900K
We compared two desktop CPUs: the 2.5 GHz Intel Core i9 11900 with 8-cores against the 3.7 GHz i9 10900K with 10-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of Intel Core i9 11900
- Newer - released 11-months later
- Consumes up to 48% less energy than the Core i9 10900K – 65 vs 125 Watt
- Newer PCI Express version – 4.0
- 26% faster in a single-core Geekbench v5 test - 1714 vs 1355 points
- Around 4.2 GB/s (9%) higher theoretical memory bandwidth
Advantages of Intel Core i9 10900K
- Unlocked multiplier
- Has 2 more physical cores
- Has 4 MB larger L3 cache size
- 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)
Benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
| Vendor | Intel | Intel |
| Released | March 16, 2021 | May 1, 2020 |
| Launch price | 439 USD | 488 USD |
| Type | Desktop | Desktop |
| Codename | Rocket Lake | Comet Lake |
| Model number | i9-11900 | i9-10900K |
| Socket | BGA-1200 | BGA-1200 |
| Integrated GPU | Intel UHD Graphics 750 | Intel UHD Graphics 630 |
Performance
| Cores | 8 | 10 |
| Threads | 16 | 20 |
| Base Frequency | 2.5 GHz | 3.7 GHz |
| Turbo Boost Frequency | 5.2 GHz | 5.3 GHz |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 37x |
| Bus Bandwidth | 8 GT/s | 8 GT/s |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 256K (per core) |
| L3 Cache | 16MB (shared) | 20MB (shared) |
| Unlocked Multiplier | No | Yes |
Power
| Fabrication process | 14 nm | 14 nm |
| TDP | 65 W | 125 W |
| Max. temperature | 100°C | 100°C |
Memory support
| Memory types | DDR4-3200 | DDR4-2933 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 50 GB/s | 45.8 GB/s |
| ECC Support | No | No |
Misc
| Official site | Intel Core i9 11900 official page | Intel Core i9 10900K official page |
| PCI Express Version | 4.0 | 3.0 |
| PCI Express Lanes | 20 | 16 |
Cast your vote
Total votes: 8