Nucleo G474RE vs Feather M4
Cortex-M4F (STM32G474) at 170 MHz against Cortex-M4F (SAMD51) at 120 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
Feather M4
Cortex-M4F (SAMD51)
- Family
- Arm Cortex-M
- Board
- Feather M4 Express
- Clock
- 120 MHz
- float / double
- 32-bit / 64-bit
Typical gap
1.32×
Nucleo G474RE faster, geometric mean of 30 cells
Biggest win for Nucleo G474RE
1.62×
double modulo
Closest cell
1.19×
uint64_t multiply
Clock for clock
1.07×
Feather M4 needs fewer cycles per op (1.42× clock gap)
Operation by operation
Every cell
How many times faster Nucleo G474RE is than Feather M4, operations per second. Blue: Nucleo G474RE ahead. Orange: Feather M4 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.28× 8.96 M/s · 7.01 M/s | 1.27× 8.1 M/s · 6.36 M/s |
| uint16_t | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.34× 8.2 M/s · 6.12 M/s | 1.41× 7.56 M/s · 5.36 M/s |
| uint32_t | 1.30× 12.6 M/s · 9.71 M/s | 1.30× 12.6 M/s · 9.71 M/s | 1.30× 12.6 M/s · 9.71 M/s | 1.34× 8.73 M/s · 6.53 M/s | 1.34× 8.3 M/s · 6.19 M/s |
| uint64_t | 1.22× 7.56 M/s · 6.19 M/s | 1.22× 7.56 M/s · 6.19 M/s | 1.19× 6.67 M/s · 5.61 M/s | 1.31× 1.16 M/s · 885 k/s | 1.31× 1.16 M/s · 885 k/s |
| float | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.31× 11.7 M/s · 8.98 M/s | 1.36× 6.42 M/s · 4.73 M/s | 1.55× 1.34 M/s · 866 k/s |
| double | 1.32× 1.58 M/s · 1.2 M/s | 1.32× 1.58 M/s · 1.19 M/s | 1.30× 2.22 M/s · 1.7 M/s | 1.33× 1.67 M/s · 1.26 M/s | 1.62× 688 k/s · 425 k/s |