Hardware Spec Index

Nexora CX-4345 Ultra 20-Core LGA1851 Desktop Processor

Processors · Nexora · SKU CX4345-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index44,848 (Processors scale)
Category rank#42,480
Street price$519
Power125 W (TDP)
Performance per dollar86.41
Released2025

Specifications

BrandNexora
ModelNexora CX-4345 Ultra
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.6 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 graphicsNone (F model)
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, “Nexora CX-4345 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/33333319 (accessed 2026-10-20).