Nucleo G474RE vs ESP32
Cortex-M4F (STM32G474) at 170 MHz against Xtensa LX6 (ESP32) at 240 MHz, on real hardware, same C kernels, clocks verified.
Nucleo G474RE
Cortex-M4F (STM32G474)
- Family
- Arm Cortex-M
- Board
- Nucleo G474RE
- Clock
- 170 MHz
- float / double
- 32-bit / 64-bit
Typical gap
1.03×
ESP32 faster, geometric mean of 30 cells
Biggest win for Nucleo G474RE
3.64×
double divide
Biggest win for ESP32
1.88×
double add
Clock for clock
1.37×
Nucleo G474RE needs fewer cycles per op (1.41× clock gap)
Operation by operation
Every cell
How many times faster Nucleo G474RE is than ESP32, operations per second. Blue: Nucleo G474RE ahead. Orange: ESP32 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1.03× 11.7 M/s · 11.4 M/s | 1.03× 11.7 M/s · 11.4 M/s | 1.03× 11.7 M/s · 11.4 M/s | 1/1.17× 8.96 M/s · 10.4 M/s | 1/1.23× 8.1 M/s · 10 M/s |
| uint16_t | 1.03× 11.7 M/s · 11.4 M/s | 1.03× 11.7 M/s · 11.4 M/s | 1.03× 11.7 M/s · 11.4 M/s | 1/1.14× 8.2 M/s · 9.32 M/s | 1/1.19× 7.56 M/s · 8.97 M/s |
| uint32_t | 1.05× 12.6 M/s · 12 M/s | 1.05× 12.6 M/s · 12 M/s | 1.05× 12.6 M/s · 12 M/s | 1/1.15× 8.73 M/s · 10 M/s | 1/1.16× 8.3 M/s · 9.6 M/s |
| uint64_t | 1.07× 7.56 M/s · 7.05 M/s | 1.09× 7.56 M/s · 6.94 M/s | 1.39× 6.67 M/s · 4.79 M/s | 1/1.51× 1.16 M/s · 1.75 M/s | 1/1.46× 1.16 M/s · 1.69 M/s |
| float | 1/1.02× 11.7 M/s · 12 M/s | 1/1.02× 11.7 M/s · 12 M/s | 1/1.02× 11.7 M/s · 12 M/s | 1.69× 6.42 M/s · 3.8 M/s | 1/1.29× 1.34 M/s · 1.73 M/s |
| double | 1/1.88× 1.58 M/s · 2.96 M/s | 1/1.70× 1.58 M/s · 2.68 M/s | 1.19× 2.22 M/s · 1.86 M/s | 3.64× 1.67 M/s · 459 k/s | 1/1.61× 688 k/s · 1.11 M/s |