Hardware Spec Index

Altrix CX-4657 Prime 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX4657-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index26,406 (Processors scale)
Category rank#38,471
Street price$149
Power125 W (TDP)
Performance per dollar177.22
Released2024

Specifications

BrandAltrix
ModelAltrix CX-4657 Prime
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.7 GHz
Max boost clock4.9 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 multiplierNo
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-4657 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/3933973 (accessed 2026-10-20).