Arduino Uno vs ESP32-C6
ATmega328P at 16 MHz against RV32IMAC (ESP32-C6) at 160 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 Arduino Uno
0.16×
double modulo
Biggest win for ESP32-C6
300×
uint32_t 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 Arduino Uno is than ESP32-C6, operations per second. Blue: Arduino Uno ahead. Orange: ESP32-C6 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/26.2× 490 k/s · 12.8 M/s | 1/28.5× 490 k/s · 14 M/s | 1/31.2× 448 k/s · 14 M/s | 1/56.9× 142 k/s · 8.1 M/s | 1/57.6× 142 k/s · 8.2 M/s |
| uint16_t | 1/19.8× 522 k/s · 10.3 M/s | 1/19.8× 522 k/s · 10.3 M/s | 1/26.7× 413 k/s · 11.1 M/s | 1/106× 69.5 k/s · 7.35 M/s | 1/107× 69.5 k/s · 7.43 M/s |
| uint32_t | 1/37.5× 342 k/s · 12.8 M/s | 1/34.7× 342 k/s · 11.9 M/s | 1/88.0× 135 k/s · 11.9 M/s | 1/296× 24.8 k/s · 7.35 M/s | 1/300× 24.8 k/s · 7.43 M/s |
| uint64_t | 1/110× 74.6 k/s · 8.2 M/s | 1/116× 74.6 k/s · 8.65 M/s | 1/198× 35.9 k/s · 7.1 M/s | 1/66.2× 15.3 k/s · 1.01 M/s | 1/64.9× 15.2 k/s · 986 k/s |
| float | 1/24.4× 98.3 k/s · 2.4 M/s | 1/23.2× 98.7 k/s · 2.29 M/s | 1/31.0× 87 k/s · 2.7 M/s | 1/28.1× 32.2 k/s · 905 k/s | 1/9.33× 103 k/s · 959 k/s |
| double | 1/14.2× 98.1 k/s · 1.39 M/s | 1/13.7× 98.6 k/s · 1.35 M/s | 1/19.6× 86.8 k/s · 1.7 M/s | 1/15.3× 32.2 k/s · 492 k/s | 1/6.29× 103 k/s · 647 k/s |