ESP32 vs Pi Pico 2W
Xtensa LX6 (ESP32) at 240 MHz against Cortex-M33 (RP2350) at 150 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
Typical gap
1.08×
Pi Pico 2W faster, geometric mean of 30 cells
Biggest win for ESP32
5.14×
uint64_t divide
Biggest win for Pi Pico 2W
4.57×
double divide
Clock for clock
1.72×
Pi Pico 2W needs fewer cycles per op (1.60× clock gap)
Operation by operation
Every cell
How many times faster ESP32 is than Pi Pico 2W, operations per second. Blue: ESP32 ahead. Orange: Pi Pico 2W ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/1.07× 11.4 M/s · 12.2 M/s | 1/1.07× 11.4 M/s · 12.2 M/s | 1.01× 11.4 M/s · 11.3 M/s | 1.10× 10.4 M/s · 9.49 M/s | 1.25× 10 M/s · 7.97 M/s |
| uint16_t | 1/1.07× 11.4 M/s · 12.3 M/s | 1/1.07× 11.4 M/s · 12.2 M/s | 1/1.07× 11.4 M/s · 12.3 M/s | 1.07× 9.32 M/s · 8.7 M/s | 1.21× 8.97 M/s · 7.4 M/s |
| uint32_t | 1/1.11× 12 M/s · 13.3 M/s | 1/1.11× 12 M/s · 13.4 M/s | 1/1.02× 12 M/s · 12.3 M/s | 1.09× 10 M/s · 9.2 M/s | 1.17× 9.6 M/s · 8.19 M/s |
| uint64_t | 1/1.40× 7.05 M/s · 9.84 M/s | 1/1.42× 6.94 M/s · 9.84 M/s | 1/1.71× 4.79 M/s · 8.19 M/s | 5.14× 1.75 M/s · 340 k/s | 4.97× 1.69 M/s · 340 k/s |
| float | 1/1.11× 12 M/s · 13.4 M/s | 1/1.11× 12 M/s · 13.4 M/s | 1/1.11× 12 M/s · 13.4 M/s | 1/1.69× 3.8 M/s · 6.43 M/s | 1/1.00× 1.73 M/s · 1.74 M/s |
| double | 1/1.93× 2.96 M/s · 5.71 M/s | 1/2.12× 2.68 M/s · 5.69 M/s | 1/1.86× 1.86 M/s · 3.46 M/s | 1/4.57× 459 k/s · 2.1 M/s | 1/1.10× 1.11 M/s · 1.22 M/s |