Hardware Spec Index

Nexora CX-6643 XT 10-Core LGA1851 Desktop Processor

Processors · Nexora · SKU CX6643-XT · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index14,966 (Processors scale)
Category rank#41,901
Street price$69
Power65 W (TDP)
Performance per dollar216.90
Released2026

Specifications

BrandNexora
ModelNexora CX-6643 XT
SocketLGA1851
Cores / threads10 cores (6P + 4E) / 10 threads
Base clock2.7 GHz
Max boost clock4.7 GHz
L3 cache24 MB
Power65 W base / 159 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 includedYes (stock air cooler)

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-6643 XT 10-Core LGA1851 Desktop Processor”, https://vextor7.com/item/6546451 (accessed 2026-10-21).