Altrix CX-2978 Ultra 24-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX2978-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 44,007 (Processors scale) |
|---|---|
| Category rank | #46,276 |
| Street price | $489 |
| Power | 125 W (TDP) |
| Performance per dollar | 89.99 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-2978 Ultra |
| Socket | LGA1851 |
| Cores / threads | 24 cores (8P + 16E) / 24 threads |
| Base clock | 2.8 GHz |
| Max boost clock | 5.3 GHz |
| L3 cache | 36 MB |
| Power | 125 W base / 250 W max turbo |
| Memory support | DDR5-6400, dual channel (CUDIMM supported) |
| CPU PCIe lanes | 20× PCIe 5.0 + 4× PCIe 4.0 |
| Integrated graphics | Integrated graphics (4 cores) |
| Unlocked multiplier | Yes |
| NPU | 13 TOPS |
| Cooler included | No |
Related guides
Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets
Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix CX-5571 Plus 10-Core LGA1851 Desktop Processor | 19,464 | $109 | Compare |
| Altrix CX-9305 XT 8-Core AM4 Desktop Processor | 43,154 | $519 | Compare |
| Altrix CX-2452 Pro 16-Core AM4 Desktop Processor | 55,447 | $779 | Compare |
| Altrix CX-7190 SE 24-Core LGA1851 Desktop Processor | 51,264 | $729 | Compare |
| Altrix CX-6630 Ultra 24-Core LGA1700 Desktop Processor | 39,405 | $369 | Compare |
| Altrix CX-4647 Max 14-Core LGA1700 Desktop Processor | 34,532 | $299 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-2978 Ultra 24-Core LGA1851 Desktop Processor”, https://vextor7.com/item/2917680 (accessed 2026-10-19).