ESP32-C6 vs Arduino Uno
RV32IMAC (ESP32-C6) at 160 MHz against ATmega328P at 16 MHz, on real hardware, same C kernels, clocks verified.
ESP32-C6
RV32IMAC (ESP32-C6)
- Family
- RISC-V
- Board
- ESP32-C6-DevKitM-1
- Clock
- 160 MHz
- float / double
- 32-bit / 64-bit
Typical gap
40.5×
ESP32-C6 faster, geometric mean of 30 cells
Biggest win for ESP32-C6
300×
uint32_t modulo
Closest cell
6.29×
double modulo
Clock for clock
4.05×
ESP32-C6 needs fewer cycles per op (10.0× clock gap)
Operation by operation
Every cell
How many times faster ESP32-C6 is than Arduino Uno, operations per second. Blue: ESP32-C6 ahead. Orange: Arduino Uno ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 26.2× 12.8 M/s · 490 k/s | 28.5× 14 M/s · 490 k/s | 31.2× 14 M/s · 448 k/s | 56.9× 8.1 M/s · 142 k/s | 57.6× 8.2 M/s · 142 k/s |
| uint16_t | 19.8× 10.3 M/s · 522 k/s | 19.8× 10.3 M/s · 522 k/s | 26.7× 11.1 M/s · 413 k/s | 106× 7.35 M/s · 69.5 k/s | 107× 7.43 M/s · 69.5 k/s |
| uint32_t | 37.5× 12.8 M/s · 342 k/s | 34.7× 11.9 M/s · 342 k/s | 88.0× 11.9 M/s · 135 k/s | 296× 7.35 M/s · 24.8 k/s | 300× 7.43 M/s · 24.8 k/s |
| uint64_t | 110× 8.2 M/s · 74.6 k/s | 116× 8.65 M/s · 74.6 k/s | 198× 7.1 M/s · 35.9 k/s | 66.2× 1.01 M/s · 15.3 k/s | 64.9× 986 k/s · 15.2 k/s |
| float | 24.4× 2.4 M/s · 98.3 k/s | 23.2× 2.29 M/s · 98.7 k/s | 31.0× 2.7 M/s · 87 k/s | 28.1× 905 k/s · 32.2 k/s | 9.33× 959 k/s · 103 k/s |
| double | 14.2× 1.39 M/s · 98.1 k/s | 13.7× 1.35 M/s · 98.6 k/s | 19.6× 1.7 M/s · 86.8 k/s | 15.3× 492 k/s · 32.2 k/s | 6.29× 647 k/s · 103 k/s |