Pi Pico 2W vs Feather M4
Cortex-M33 (RP2350) at 150 MHz against Cortex-M4F (SAMD51) at 120 MHz, on real hardware, same C kernels, clocks verified.
Pi Pico 2W
Cortex-M33 (RP2350)
- Family
- Arm Cortex-M
- Board
- Pi Pico 2W
- Clock
- 150 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
1.46×
Pi Pico 2W faster, geometric mean of 30 cells
Biggest win for Pi Pico 2W
4.78×
double subtract
Biggest win for Feather M4
2.60×
uint64_t divide
Clock for clock
1.17×
Pi Pico 2W needs fewer cycles per op (1.25× clock gap)
Operation by operation
Every cell
How many times faster Pi Pico 2W is than Feather M4, operations per second. Blue: Pi Pico 2W ahead. Orange: Feather M4 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1.36× 12.2 M/s · 8.98 M/s | 1.36× 12.2 M/s · 8.98 M/s | 1.26× 11.3 M/s · 8.98 M/s | 1.35× 9.49 M/s · 7.01 M/s | 1.25× 7.97 M/s · 6.36 M/s |
| uint16_t | 1.37× 12.3 M/s · 8.98 M/s | 1.36× 12.2 M/s · 8.98 M/s | 1.37× 12.3 M/s · 8.98 M/s | 1.42× 8.7 M/s · 6.12 M/s | 1.38× 7.4 M/s · 5.36 M/s |
| uint32_t | 1.37× 13.3 M/s · 9.71 M/s | 1.38× 13.4 M/s · 9.71 M/s | 1.26× 12.3 M/s · 9.71 M/s | 1.41× 9.2 M/s · 6.53 M/s | 1.32× 8.19 M/s · 6.19 M/s |
| uint64_t | 1.59× 9.84 M/s · 6.19 M/s | 1.59× 9.84 M/s · 6.19 M/s | 1.46× 8.19 M/s · 5.61 M/s | 1/2.60× 340 k/s · 885 k/s | 1/2.60× 340 k/s · 885 k/s |
| float | 1.49× 13.4 M/s · 8.98 M/s | 1.49× 13.4 M/s · 8.98 M/s | 1.49× 13.4 M/s · 8.98 M/s | 1.36× 6.43 M/s · 4.73 M/s | 2.01× 1.74 M/s · 866 k/s |
| double | 4.77× 5.71 M/s · 1.2 M/s | 4.78× 5.69 M/s · 1.19 M/s | 2.03× 3.46 M/s · 1.7 M/s | 1.67× 2.1 M/s · 1.26 M/s | 2.86× 1.22 M/s · 425 k/s |