XIAO MG24 vs Nucleo G474RE
Cortex-M33 (EFR32MG24) at 39 MHz against Cortex-M4F (STM32G474) at 170 MHz, on real hardware, same C kernels, clocks verified.
XIAO MG24
Cortex-M33 (EFR32MG24)
- Family
- Arm Cortex-M
- Board
- XIAO MG24 Sense
- Clock
- 39 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
4.01×
Nucleo G474RE faster, geometric mean of 30 cells
Biggest win for XIAO MG24
0.31×
uint64_t subtract
Biggest win for Nucleo G474RE
4.66×
uint8_t multiply
Clock for clock
1.09×
XIAO MG24 needs fewer cycles per op (4.36× clock gap)
Operation by operation
Every cell
How many times faster XIAO MG24 is than Nucleo G474RE, operations per second. Blue: XIAO MG24 ahead. Orange: Nucleo G474RE ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/4.33× 2.71 M/s · 11.7 M/s | 1/4.33× 2.71 M/s · 11.7 M/s | 1/4.66× 2.52 M/s · 11.7 M/s | 1/3.67× 2.44 M/s · 8.96 M/s | 1/4.23× 1.92 M/s · 8.1 M/s |
| uint16_t | 1/3.99× 2.94 M/s · 11.7 M/s | 1/4.01× 2.93 M/s · 11.7 M/s | 1/4.01× 2.93 M/s · 11.7 M/s | 1/3.93× 2.09 M/s · 8.2 M/s | 1/4.27× 1.77 M/s · 7.56 M/s |
| uint32_t | 1/3.95× 3.19 M/s · 12.6 M/s | 1/3.95× 3.19 M/s · 12.6 M/s | 1/4.30× 2.93 M/s · 12.6 M/s | 1/3.95× 2.21 M/s · 8.73 M/s | 1/4.23× 1.96 M/s · 8.3 M/s |
| uint64_t | 1/3.20× 2.36 M/s · 7.56 M/s | 1/3.20× 2.36 M/s · 7.56 M/s | 1/3.39× 1.97 M/s · 6.67 M/s | 1/4.07× 285 k/s · 1.16 M/s | 1/4.07× 285 k/s · 1.16 M/s |
| float | 1/3.70× 3.18 M/s · 11.7 M/s | 1/3.70× 3.18 M/s · 11.7 M/s | 1/3.69× 3.18 M/s · 11.7 M/s | 1/4.16× 1.54 M/s · 6.42 M/s | 1/4.21× 318 k/s · 1.34 M/s |
| double | 1/4.27× 370 k/s · 1.58 M/s | 1/4.28× 368 k/s · 1.58 M/s | 1/4.41× 503 k/s · 2.22 M/s | 1/4.41× 379 k/s · 1.67 M/s | 1/4.17× 165 k/s · 688 k/s |