Loongson 3C5000

Loongson · Loongson 3C5000

Loongson 3C5000 processor reference with normalized architecture, compute, clocks, cache, memory, PCIe, power, and platform specifications.

Cores / threads: 16 / 16
Socket: Loongson LS3C5K
Default TDP: 130 W

Technical data

Specifications

Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.

Overview

Manufacturer	Loongson
Launch date	2021-12-15
Market segment	server

Architecture

Architecture	LoongArch LA464
CPU process	GlobalFoundries 12nm

Compute

Cores	16
Threads	16

Clocks

Base clock	2.20 GHz

Cache

L3 cache	64 MB

Memory

Memory support	DDR4-3200 quad-channel ECC

Power

Default TDP	130 W

Platform

Socket	Loongson LS3C5K

Sources

Specification provenance

No public source record is available.

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Hardware reference

Loongson 3A5000 specifications

Loongson 3A5000 CPU specifications: LoongArch LA464, Loongson LS3A5K, 4 cores/4 threads.

Compatibility & upgrades

RAM Compatibility Explained: DDR Generation, DIMM Type, Capacity, Channels, XMP/EXPO, QVLs, and CPU/Motherboard Limits

Understand how DDR generation, DIMM type, CPU memory-controller limits, motherboard implementation, channels, module population, XMP/EXPO profiles, and QVL testing combine to determine real RAM compatibility.

Tool

DDR Memory Latency Calculator

Convert DDR data rate and CAS latency cycles into CAS timing in nanoseconds.

Technical guide

DDR Memory Speed and CAS Latency Explained: MT/s, MHz, CL, and Nanoseconds

Understand DDR memory data rate, underlying clock frequency, CAS latency in cycles, and how to convert CL into nanoseconds without mistaking it for total memory latency.