China's Loongson Unveils 32-Core CPU, Reportedly 4X Faster Than Arm Chip

upstart writes:

The 3D5000 has come out of the oven:

Loongson, a Chinese fabless chipmaker, has launched the new 3D5000 processor for data centers and cloud computing. MyDrivers (opens in new tab) reported that Loongson claims its 32-core domestic chips deliver 4X higher performance than rival Arm processors.

The 3D5000 still leverages LoongArch, Loongson's homemade instruction set architecture (ISA) from 2020. The chipmaker was previously a firm believer in MIPS. However, Loongson eventually built LoongArch from the ground up with the sole objective of not relying on foreign technology to develop its processors. LoongArch is a RISC (reduced instruction set computer) ISA, similar to MIPS or RISC-V.

The 3D5000 arrives with 32 LA464 cores running at 2 GHz. The 32-core processor has 64MB of L3 cache, supports eight-channel DDR4-3200 ECC memory, and up to five HyperTransport (HT) 3.0 interfaces. It also supports dynamic frequency and voltage adjustments. Officially, the 3D5000 has a 300W TDP; however, Loongson stated that the conventional power consumption is around 150W. That's roughly 5W per core.

The 3D5000 flaunts a chiplet design since Loongson has glued together two 16-core 3C5000 processors. Loongson developed the 3C5000 server part to compete with AMD's Zen and Zen+ architectures. The latest 3D5000, which measures 75.4 x 58.5 x 7.1mm, slides into a custom LGA4129 socket.

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