AMD Ryzen Threadripper 1900X
- Boost/Base Clock:
- 4.0 GHz / 3.8 GHz
- Core/Thread Count:
- 8 Core / 16 Thread
- Cache:
- 16MB L3 + 4MB L2 + 768KB L1
- TDP:
- 180 Watts
- CPU Socket:
- sTR4
- CPU Series:
- Zen
- Memory Support:
- DDR4-2666
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Manufacturer: AMD Last updated: September 9, 2026
Description
The AMD Ryzen Threadripper 1900X is an 8-core, 16-thread first-generation HEDT processor built on the original Zen architecture, running a 3.8 GHz base clock that boosts to 4.0 GHz within a 180 Watt TDP on the sTR4 platform.
As the entry point into AMD's first Threadripper generation, this chip specifically offered the sTR4 HEDT platform's quad-channel memory and PCIe lane advantages at a lower core count than its 12- and 16-core siblings.
Platform
This chip requires the sTR4 HEDT motherboard platform, offering quad-channel memory support and considerably more PCIe lanes than mainstream AM4 desktop chips of the same generation.
How Is the Threadripper 1900X in Terms of Performance
With 8 cores and 16 threads on the HEDT sTR4 platform, this chip gave buyers access to quad-channel memory bandwidth and extensive PCIe connectivity at a lower core count entry point than AMD's higher-tier first-generation Threadripper chips.
Benchmarks
Cinebench R23 (via R20 reference) multi-core scores of 3,671 and single-core scores of 405 reflect solid first-generation Zen performance. Geekbench 5 multi-core scores of 6,969 confirm genuinely capable 8-core throughput for its generation, though later Zen 2 and Zen 3 chips offered meaningfully more per-core performance.
Specifications
| Form Factor | Server & Enthusiast |
|---|---|
| Brand | AMD |
| Series | Ryzen Threadripper |
| Model Number | 1900X |
| Boost/Base Clock | 4.0 GHz / 3.8 GHz |
| Core/Thread Count | 8 Core / 16 Thread |
| Cache | 16MB L3 + 4MB L2 + 768KB L1 |
| TDP | 180 Watts |
| CPU Socket | sTR4 |
| CPU Series | Zen, Ryzen Threadripper 1000 Series |
| Memory Support | DDR4-2666, ECC supported (unbuffered) |
Expert Review
Rated by the Consumercarts editorial team, not by users
Best for
- Buyers specifically wanting HEDT platform features (quad-channel memory, extensive PCIe lanes) at a lower core-count entry point
Not for
- Buyers prioritizing raw per-core performance — later Zen generations offer meaningfully better single-threaded results