ESP32 vs Pi Pico
Xtensa LX6 (ESP32) at 240 MHz against Cortex-M0+ (RP2040) at 200 MHz, on real hardware, same C kernels, clocks verified.
Pi Pico
Cortex-M0+ (RP2040)
- Family
- Arm Cortex-M
- Board
- Pi Pico
- Clock
- 200 MHz
- float / double
- 32-bit / 64-bit
Typical gap
1.49×
ESP32 faster, geometric mean of 30 cells
Biggest win for ESP32
5.99×
float subtract
Biggest win for Pi Pico
2.02×
double divide
Clock for clock
1.24×
ESP32 needs fewer cycles per op (1.20× clock gap)
Operation by operation
Every cell
How many times faster ESP32 is than Pi Pico, operations per second. Blue: ESP32 ahead. Orange: Pi Pico ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/1.18× 11.4 M/s · 13.5 M/s | 1/1.27× 11.4 M/s · 14.5 M/s | 1/1.11× 11.4 M/s · 12.7 M/s | 2.18× 10.4 M/s · 4.78 M/s | 2.09× 10 M/s · 4.78 M/s |
| uint16_t | 1.07× 11.4 M/s · 10.7 M/s | 1.07× 11.4 M/s · 10.7 M/s | 1.02× 11.4 M/s · 11.3 M/s | 1.95× 9.32 M/s · 4.77 M/s | 1.88× 8.97 M/s · 4.77 M/s |
| uint32_t | 1.07× 12 M/s · 11.3 M/s | 1.07× 12 M/s · 11.3 M/s | 1.01× 12 M/s · 11.9 M/s | 1.95× 10 M/s · 5.14 M/s | 1.87× 9.6 M/s · 5.14 M/s |
| uint64_t | 1.09× 7.05 M/s · 6.44 M/s | 1.15× 6.94 M/s · 6.05 M/s | 1.53× 4.79 M/s · 3.13 M/s | 1/1.15× 1.75 M/s · 2.01 M/s | 1/1.19× 1.69 M/s · 2.01 M/s |
| float | 5.55× 12 M/s · 2.16 M/s | 5.99× 12 M/s · 2 M/s | 4.89× 12 M/s · 2.45 M/s | 1.89× 3.8 M/s · 2.01 M/s | 1.52× 1.73 M/s · 1.14 M/s |
| double | 1.85× 2.96 M/s · 1.6 M/s | 1.81× 2.68 M/s · 1.48 M/s | 1.83× 1.86 M/s · 1.02 M/s | 1/2.02× 459 k/s · 926 k/s | 1.51× 1.11 M/s · 734 k/s |