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Server CPU · China

Phytium S2500 (Tengyun S2500)

64-core Armv8 multi-socket server CPU (FTC663 cores, 2.0-2.2GHz) with 800Gbps direct interconnect supporting 2-8 sockets and up to 512 cores, positioned at launch as the strongest domestic server CPU. Pricing is not publicly disclosed.

ChinaShippingPhytiumPhytium S series (Tengyun) familyLaunched 2020-0716nm

Pricing not publicly disclosed · researched 2026-08-27

Specifications

Sourced specs

SpecValueSource
Cores64 FTC663 cores (ARMv8), 2.0-2.2GHzvia eet-china.com2020-07
Cache64MB L3via eet-china.com2020-07
Memory8-channel DDR4via developer.aliyun.com2020
Interconnect4 direct-connect interfaces, 800Gbps aggregate; 2-8 socket, scalable to 512 coresvia eet-china.com2020-07
TDP~150Wvia eet-china.com2020-07

Pricing

Price history, newest first

No public price observation yet.

vendor-official or multiple independent reports · single major report or several secondary · estimate or lone secondary source

Prices in USD, converted at each observation year's average exchange rate; the original figure and rate print under every converted price. How prices are sourced and graded ↗

Context

Notes

  • Pricing not publicly disclosed; S2500 is sold to server OEMs and government/enterprise tender buyers, and no credible retail listing was found.
  • Launched Q3 2020, billed in domestic press as 'strongest domestic server CPU' at the time.

Where it sits

In the stack

All specs and prices link to their original sources, dated as observed. Figures are market observations, not offers; treat each as of its date.