Hardware Spec Index

Altrix CX-3873 Plus 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX3873-PLUS · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index52,922 (Processors scale)
Category rank#9,758
Street price$719
Power125 W (TDP)
Performance per dollar73.61
Released2024

Specifications

BrandAltrix
ModelAltrix CX-3873 Plus
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.2 GHz
Max boost clock5.6 GHz
L3 cache30 MB
Power125 W base / 250 W max turbo
Memory supportDDR5-6400, dual channel (CUDIMM supported)
CPU PCIe lanes20× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsIntegrated graphics (4 cores)
Unlocked multiplierNo
NPU13 TOPS
Cooler includedNo

Related guides

Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets

Similar Processors

ModelBenchmarkPriceCompare
Altrix CX-6098 Core 10-Core LGA1700 Desktop Processor22,231$149Compare
Altrix CX-2579 Pro 12-Core AM4 Desktop Processor49,460$689Compare
Nexora CX-3956 Pro 20-Core LGA1700 Desktop Processor47,295$519Compare
Nexora CX-4370 SE 8-Core AM4 Desktop Processor37,985$369Compare
Altrix CX-8786 Prime 10-Core LGA1700 Desktop Processor23,160$149Compare
Altrix CX-9191 Pro 24-Core LGA1851 Desktop Processor37,223$359Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3873 Plus 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/35455874 (accessed 2026-10-21).