玄铁 C908（XuanTie C908）
T-Head · 玄铁 C 系列
64 bit
In production
Commercial license
FPUVectorMMUMulti-core
Bit width
64bit
Max frequency
2000MHz
Pipeline
9 级双发射按序
CoreMark/MHz
5.75
License
Commercial license
Maturity
In production
Architecture and ISA
| Vendor / Origin | T-Head（Chinese mainland） |
|---|---|
| Bits / ISA | 64 bit · RV64GCBV（RV32GCB 仅用户态） |
| Pipeline | 9 级双发射按序 The vendor or source notes are in Chinese in the original |
| Features | FPU Vector MMU Multi-core |
| Max frequency | 2000 MHz（Frequency depends on process and implementation; treat it as an order-of-magnitude guide） |
Ecosystem and toolchain
| Toolchain | T-Head OCC GCC / RISC-V GNU Toolchain / LLVM |
|---|---|
| Operating systems | Linux / Android / RT-Thread |
| Representative silicon | — |
| MCUs with this brand in the catalog | 12 MCU (not all of them use this core) |
Sources and notes
The vendor or source notes are in Chinese in the original 产品页：9 级双发按序、RVA22、RVV 1.0（VLEN 128/256 可配）、FP64/FP32/FP16/BF16、每 cluster 1–4 核、L2 128KB–4MB、Sv39/SV48、CoreMark 5.75/MHz、典型 >2GHz（freq 取 2000）。官方未公开采用 C908 的具体量产芯片，silicon 留空。
Last verified 2026-11-04