Hardware Spec Index

Altrix CX-9821 Ultra 16-Core AM5 Desktop Processor

Processors · Altrix · SKU CX9821-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index55,221 (Processors scale)
Category rank#42,804
Street price$749
Power170 W (TDP)
Performance per dollar73.73
Released2023

Specifications

BrandAltrix
ModelAltrix CX-9821 Ultra
SocketAM5
Cores / threads16 cores / 32 threads
Base clock3.8 GHz
Max boost clock5.6 GHz
L3 cache64 MB
Power170 W TDP (PPT 230 W)
Memory supportDDR5-5200, dual channel (EXPO)
CPU PCIe lanes28× PCIe 5.0 (24 usable)
Integrated graphicsIntegrated graphics (2 CU)
Unlocked multiplierYes
Cooler includedNo

Related guides

AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared

Similar Processors

ModelBenchmarkPriceCompare
Nexora CX-6420 Ultra 6-Core AM4 Desktop Processor24,164$149Compare
Nexora CX-2272 Prime 10-Core LGA1700 Desktop Processor19,371$89Compare
Veltrix CX-6138 SE 8-Core AM5 Desktop Processor12,549$69Compare
Veltrix CX-2804 Pro 12-Core AM5 Desktop Processor56,937$789Compare
Altrix CX-7116 XT 24-Core LGA1700 Desktop Processor56,433$769Compare
Veltrix CX-6303 XT 20-Core LGA1700 Desktop Processor27,858$189Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-9821 Ultra 16-Core AM5 Desktop Processor”, https://vextor7.com/item/7464655 (accessed 2026-10-24).