Hardware Spec Index

Altrix CX-3840 Plus 20-Core LGA1700 Desktop Processor

Processors · Altrix · SKU CX3840-PLUS · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index45,491 (Processors scale)
Category rank#46,082
Street price$579
Power125 W (TDP)
Performance per dollar78.57
Released2024

Specifications

BrandAltrix
ModelAltrix CX-3840 Plus
SocketLGA1700
Cores / threads20 cores (8P + 12E) / 28 threads
Base clock3.4 GHz
Max boost clock5.5 GHz
L3 cache36 MB
Power125 W base / 253 W max turbo
Memory supportDDR5-5600 or DDR4-3200, dual channel
CPU PCIe lanes16× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsNone (F model)
Unlocked multiplierNo
Cooler includedNo

Related guides

Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket

Similar Processors

ModelBenchmarkPriceCompare
Altrix CX-8443 XT 14-Core LGA1851 Desktop Processor39,436$349Compare
Veltrix CX-7435 Ultra 10-Core LGA1700 Desktop Processor22,481$119Compare
Altrix CX-7447 Ultra 8-Core AM4 Desktop Processor18,342$89Compare
Altrix CX-9289 Plus 24-Core LGA1700 Desktop Processor42,571$379Compare
Veltrix CX-6584 SE 20-Core LGA1851 Desktop Processor34,067$269Compare
Veltrix CX-1500 Plus 8-Core AM4 Desktop Processor34,332$309Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3840 Plus 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/19001373 (accessed 2026-10-22).