Hardware Spec Index

Altrix CX-1256 Ultra 24-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX1256-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index53,228 (Processors scale)
Category rank#905
Street price$779
Power125 W (TDP)
Performance per dollar68.33
Released2024

Specifications

BrandAltrix
ModelAltrix CX-1256 Ultra
SocketLGA1851
Cores / threads24 cores (8P + 16E) / 24 threads
Base clock2.4 GHz
Max boost clock5.6 GHz
L3 cache36 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

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Cite this page: Hardware Spec Index, “Altrix CX-1256 Ultra 24-Core LGA1851 Desktop Processor”, https://vextor7.com/item/42328667 (accessed 2026-10-20).