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
