LS3A5000
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LS3A5000
Latest quad-core processor for laptops and desktops in Loongson 3 processor family. With “LA464” processing cores, LS3A5000 keeps the pin-to-pin compatibility with LS3A4000 while improving the frequency to 2.5GHz, reducing the power consumption by more than 30%, and enhancing the performance by more than 50%.
LS3A5000 Specification
Key Features
- Loongson instruction set architecture (LoongArch® )
- Measured single-core in SPEC CPU 2006 Base result over 26
- Measured memory bandwidth over 25 GB/s with DDR4-3200 interface
- Unified ecosystem compatibility: real-time binary translation supports of applications from different ISAs
- Fine-grained power management: Built-in power control core for dynamic voltage and frequency scaling
Frequency
2.3–2.5 GHz
Peak computing speed
160 GFlops
Number of cores
4
Processor core
64-bit superscalar processor core LA464; Supporting LoongArch® instruction set architecture; Supporting 128/256-bit vector instructions;4-issue out-of-order execution;4 fixed-point units, 2 vector units, and 2 memory access units
High-speed cache
Each processor core contains a 64KB private L1 instruction cache and a 64KB private L1 data cache; Each processor core contains a 256KB private L2 cache; All processor cores share a 16MB L3 cache.
Memory controller
Two 72-bit DDR4-3200 controllers; Supporting ECC
High-speed I/O
2 HyperTransport 3.0 controllers; Supporting Cache Coherent Non–Uniform Memory Access (CC-NUMA)
Other I/O
1 SPI, 1 UART, 2 I2Cs, 16 GPIO interfaces
Power management
Supporting dynamic shutdown of clocks of main modules; Supporting dynamic frequency scaling in main clock domains; Supporting dynamic voltage scaling in main voltage domains.
Typical power consumption
35W@2.5GHz
LS3A5000 Manual
LS3A5000 Application
PC
Server
CoreSwitch
VPN
Data Gateway
