Hardware Spec Index

Altrix CX-8642 Core 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX8642-CORE · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index39,678 (Processors scale)
Category rank#45,772
Street price$489
Power125 W (TDP)
Performance per dollar81.14
Released2024

Specifications

BrandAltrix
ModelAltrix CX-8642 Core
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.7 GHz
Max boost clock5.3 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 graphicsNone (F model)
Unlocked multiplierYes
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
Veltrix CX-4408 Plus 20-Core LGA1851 Desktop Processor32,486$269Compare
Veltrix CX-5546 Edge 12-Core AM4 Desktop Processor57,426$899Compare
Veltrix CX-2124 Ultra 10-Core LGA1700 Desktop Processor14,724$79Compare
Nexora CX-4988 XT 6-Core AM4 Desktop Processor18,922$89Compare
Veltrix CX-1576 SE 10-Core LGA1851 Desktop Processor22,469$139Compare
Veltrix CX-9071 Ti 8-Core AM5 Desktop Processor19,526$119Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-8642 Core 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/11937540 (accessed 2026-10-25).