| Part No. | GD32F305RET6 |
| Series | GD32F305 |
| Package | LQFP64 |
| Max Speed (MHz) | 120 |
| Flash (Bytes) | 512K |
| SRAM (Bytes) | 96K |
| I/O | up to 51 |
| GPTM (32bit) | 0 |
| GPTM (16bit) | 4 |
| Advanced TM (16bit) | 2 |
| Basic TM (16bit) | 2 |
| SysTick (24bit) | 1 |
| WDG | 2 |
| RTC | 1 |
| USART+UART | 3+2 |
| I2C | 2 |
| SPI | 3 |
| CAN 2.0B | 2 |
| USB 2.0 | FS_OTG |
| I2S | 2 |
| SDIO | 0 |
| LCD-TFT | 0 |
| Camera | 0 |
| ETH MAC | 0 |
| IPA | 0 |
| CEC | 0 |
| Comp | 0 |
| Ethernet | 0 |
| EXMC/SDRAM | 0 |
| 12bit ADC Units (CHs) | 2(16) |
| 12bit DAC Units | 2 |