Hardware Spec Index

Altrix CX-1258 Plus 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX1258-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index40,581 (Processors scale)
Category rank#24,002
Street price$459
Power125 W (TDP)
Performance per dollar88.41
Released2024

Specifications

BrandAltrix
ModelAltrix CX-1258 Plus
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.0 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 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
Altrix CX-6074 Prime 10-Core LGA1700 Desktop Processor18,719$89Compare
Veltrix CX-3027 Pro 14-Core LGA1851 Desktop Processor34,248$249Compare
Altrix CX-9921 Core 8-Core AM5 Desktop Processor31,735$229Compare
Altrix CX-4367 Core 14-Core LGA1700 Desktop Processor23,485$149Compare
Altrix CX-9885 Max 10-Core LGA1700 Desktop Processor32,326$269Compare
Nexora CX-9060 Edge 16-Core AM5 Desktop Processor51,756$719Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-1258 Plus 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/5987708 (accessed 2026-10-24).