Hardware Spec Index

Altrix CX-7842 Prime 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX7842-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index50,300 (Processors scale)
Category rank#44,064
Street price$619
Power125 W (TDP)
Performance per dollar81.26
Released2025

Specifications

BrandAltrix
ModelAltrix CX-7842 Prime
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.9 GHz
Max boost clock5.5 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 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-7587 Prime 24-Core LGA1851 Desktop Processor48,447$699Compare
Nexora CX-7201 SE 8-Core AM4 Desktop Processor43,381$439Compare
Veltrix CX-7936 Max 14-Core LGA1700 Desktop Processor46,928$629Compare
Veltrix CX-8933 SE 24-Core LGA1700 Desktop Processor45,999$509Compare
Altrix CX-8512 Core 14-Core LGA1851 Desktop Processor18,275$89Compare
Veltrix CX-3259 Ultra 16-Core AM4 Desktop Processor46,597$509Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-7842 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/213320 (accessed 2026-10-20).