ESP32-C6 vs Nucleo G474RE
RV32IMAC (ESP32-C6) at 160 MHz against Cortex-M4F (STM32G474) at 170 MHz, on real hardware, same C kernels, clocks verified.
ESP32-C6
RV32IMAC (ESP32-C6)
- Family
- RISC-V
- Board
- ESP32-C6-DevKitM-1
- Clock
- 160 MHz
- float / double
- 32-bit / 64-bit
Nucleo G474RE
Cortex-M4F (STM32G474)
- Family
- Arm Cortex-M
- Board
- Nucleo G474RE
- Clock
- 170 MHz
- float / double
- 32-bit / 64-bit
Typical gap
1.36×
Nucleo G474RE faster, geometric mean of 30 cells
Biggest win for ESP32-C6
1.19×
uint8_t subtract
Biggest win for Nucleo G474RE
7.10×
float divide
Clock for clock
1.28×
Nucleo G474RE needs fewer cycles per op (1.06× clock gap)
Operation by operation
Every cell
How many times faster ESP32-C6 is than Nucleo G474RE, operations per second. Blue: ESP32-C6 ahead. Orange: Nucleo G474RE ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1.09× 12.8 M/s · 11.7 M/s | 1.19× 14 M/s · 11.7 M/s | 1.19× 14 M/s · 11.7 M/s | 1/1.11× 8.1 M/s · 8.96 M/s | 1.01× 8.2 M/s · 8.1 M/s |
| uint16_t | 1/1.14× 10.3 M/s · 11.7 M/s | 1/1.14× 10.3 M/s · 11.7 M/s | 1/1.06× 11.1 M/s · 11.7 M/s | 1/1.12× 7.35 M/s · 8.2 M/s | 1/1.02× 7.43 M/s · 7.56 M/s |
| uint32_t | 1.02× 12.8 M/s · 12.6 M/s | 1/1.06× 11.9 M/s · 12.6 M/s | 1/1.06× 11.9 M/s · 12.6 M/s | 1/1.19× 7.35 M/s · 8.73 M/s | 1/1.12× 7.43 M/s · 8.3 M/s |
| uint64_t | 1.08× 8.2 M/s · 7.56 M/s | 1.14× 8.65 M/s · 7.56 M/s | 1.06× 7.1 M/s · 6.67 M/s | 1/1.15× 1.01 M/s · 1.16 M/s | 1/1.18× 986 k/s · 1.16 M/s |
| float | 1/4.89× 2.4 M/s · 11.7 M/s | 1/5.13× 2.29 M/s · 11.7 M/s | 1/4.35× 2.7 M/s · 11.7 M/s | 1/7.10× 905 k/s · 6.42 M/s | 1/1.40× 959 k/s · 1.34 M/s |
| double | 1/1.13× 1.39 M/s · 1.58 M/s | 1/1.17× 1.35 M/s · 1.58 M/s | 1/1.31× 1.7 M/s · 2.22 M/s | 1/3.40× 492 k/s · 1.67 M/s | 1/1.06× 647 k/s · 688 k/s |