Frequency

2.0GHz - 2.2GHz

Floating-point double-precision peak computing speed

844.8GFlops@2.2GHz(S), 1612.8GFlops@2.1GHz（D）, 3072GFlops@2.0GHz(Q)

Physical cores

16(S), 32(D), 64(Q)

Logical cores

32(S), 64(D), 128(Q)

Processor core

64-bit superscalar LA664 cores; Supports the LoongArch™ ISA; Supports 128/256-bit vector instructions; 6-issue out-of-order execution; 4 fixed-point units, 4 vector units and 4 memory access units

High-speed cache

Each processor core contains a 64KB private L1 instruction cache and a 64 KB private L1 data cache; Each processor core contains a 256KB private L2 cache; Each die features a shared 32MB L3 cache

Memory controller

4×72-bit DDR4-3200 controller(S), 8×72-bit DDR4-3200 controller(D/Q)

High-speed I/O

4-channel PCIe×16 interfaces , 64 lanes total(S), 8-channel PCIe×16 interfaces, 128 lanes total(D/Q )

Die-to-die interconnect

Loongson Coherent Link, multiplexable PCIe

Other I/O

SPI, UART, I2C, GPIO

Security module

Loongson SE, integrates LA264 processor core, supports SM2/SM3/SM4

Multi-die interconnect

2–4 die interconnect

Power management

Supports dynamic shutdown of the clocks of main modules; Supports dynamic frequency scaling in main clock domains; Supports dynamic voltage scaling in main voltage domains

Typical power consumption

100W-120W（S）, 180W-200W（D）, 250W-300W（Q）