10th Gen Intel Core i9-10900X
- Boost/Base Clock:
- 4.5 GHz / 3.7 GHz
- Core/Thread Count:
- 10 Core / 20 Thread
- Cache:
- 19.25MB L3 + 10MB L2 + 640KB L1
- TDP:
- 165 Watts
- CPU Process Node:
- 14 Nanometers
- CPU Socket:
- FCLGA2066
- CPU Series:
- Cascade Lake-X
- Memory Support:
- DDR4-2933
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Manufacturer: Intel Last updated: September 9, 2026
Description
The 10th Gen Intel Core i9-10900X is a 10-core, 20-thread HEDT processor built on Cascade Lake-X, running a 3.7 GHz base clock that boosts to 4.5 GHz within a 165 Watt TDP on the LGA2066 socket.
As Intel's entry point into the 10th Gen X-series HEDT refresh, this chip offered the genuine platform advantages of quad-channel memory and extensive PCIe lanes at the accessible 10-core tier.
Platform
This HEDT chip requires an X299-series motherboard on the LGA2066 socket, typically paired with quad-channel memory for genuine workstation-scale bandwidth.
How Is the Core i9-10900X in Terms of Performance
With 10 cores and 20 threads, this chip targets prosumer content-creation and workstation workloads, offering the HEDT platform's genuine memory bandwidth and PCIe lane advantages at Intel's 10th Gen X-series entry tier.
Benchmarks
As a genuine 10-core Cascade Lake-X HEDT chip with a strong 4.5 GHz boost ceiling, this processor delivers solid workstation-tier multi-threaded throughput, positioned as the accessible entry point into Intel's 10th Gen X-series HEDT lineup.
Specifications
| Form Factor | Server & Enthusiast |
|---|---|
| Brand | Intel |
| Series | Core i9 |
| Model Number | 10900X |
| Boost/Base Clock | 4.5 GHz / 3.7 GHz |
| Core/Thread Count | 10 Core / 20 Thread |
| Cache | 19.25MB L3 + 10MB L2 + 640KB L1 |
| TDP | 165 Watts |
| CPU Process Node | 14 Nanometers |
| CPU Socket | FCLGA2066 |
| CPU Series | Cascade Lake-X, 10th Gen Intel Core |
| Memory Support | DDR4-2933, non-ECC (ECC not supported) |
Expert Review
Rated by the Consumercarts editorial team, not by users
Best for
- Prosumer content creators wanting HEDT platform memory bandwidth and PCIe lanes at Intel's 10th Gen entry tier
Not for
- Buyers needing the highest core counts — higher-tier 10th Gen X-series chips offer more cores on the same platform