Dubhe-80
StarFive · Dubhe
64 bit
Licensing
Commercial license
FPUMMUMulti-coreOut-of-order
Bit width
64bit
Max frequency
Not published
Pipeline
9+ 级、3 发射、乱序
CoreMark/MHz
—
License
Commercial license
Maturity
Licensing
Architecture and ISA
| Vendor / Origin | StarFive（Chinese mainland） |
|---|---|
| Bits / ISA | 64 bit · RV64GCBH（+Zicond/Zicbom/Zicboz/Zicbop） |
| Pipeline | 9+ 级、3 发射、乱序 The vendor or source notes are in Chinese in the original |
| Features | FPU MMU Multi-core Out-of-order |
| Max frequency | Not published |
Ecosystem and toolchain
| Toolchain | StarFive SDK / RISC-V GNU Toolchain / LLVM |
|---|---|
| Operating systems | Linux / RTOS |
| Representative silicon | — |
| MCUs with this brand in the catalog | 0 MCU (not all of them use this core) |
Sources and notes
The vendor or source notes are in Chinese in the original 官方 brochure：9+ 级、3 发射、乱序、RV64GCBH、ROB 128、3×ALU、L1 32KB、L2 256KB、MESI、1/2/4 核；SPECint2006 8.5/GHz。2024 年升级版性能 +6%、能效 +50%。未公布频率，无公开量产硅。
Last verified 2026-11-04