ESP32-C6 vs XIAO MG24
RV32IMAC (ESP32-C6) at 160 MHz against Cortex-M33 (EFR32MG24) at 39 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
XIAO MG24
Cortex-M33 (EFR32MG24)
- Family
- Arm Cortex-M
- Board
- XIAO MG24 Sense
- Clock
- 39 MHz
- float / double
- 32-bit / 64-bit
Typical gap
2.94×
ESP32-C6 faster, geometric mean of 30 cells
Biggest win for ESP32-C6
5.54×
uint8_t multiply
Biggest win for XIAO MG24
1.71×
float divide
Clock for clock
1.40×
XIAO MG24 needs fewer cycles per op (4.10× clock gap)
Operation by operation
Every cell
How many times faster ESP32-C6 is than XIAO MG24, operations per second. Blue: ESP32-C6 ahead. Orange: XIAO MG24 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 4.73× 12.8 M/s · 2.71 M/s | 5.15× 14 M/s · 2.71 M/s | 5.54× 14 M/s · 2.52 M/s | 3.31× 8.1 M/s · 2.44 M/s | 4.28× 8.2 M/s · 1.92 M/s |
| uint16_t | 3.51× 10.3 M/s · 2.94 M/s | 3.53× 10.3 M/s · 2.93 M/s | 3.77× 11.1 M/s · 2.93 M/s | 3.52× 7.35 M/s · 2.09 M/s | 4.20× 7.43 M/s · 1.77 M/s |
| uint32_t | 4.02× 12.8 M/s · 3.19 M/s | 3.72× 11.9 M/s · 3.19 M/s | 4.05× 11.9 M/s · 2.93 M/s | 3.33× 7.35 M/s · 2.21 M/s | 3.78× 7.43 M/s · 1.96 M/s |
| uint64_t | 3.47× 8.2 M/s · 2.36 M/s | 3.66× 8.65 M/s · 2.36 M/s | 3.61× 7.1 M/s · 1.97 M/s | 3.55× 1.01 M/s · 285 k/s | 3.46× 986 k/s · 285 k/s |
| float | 1/1.32× 2.4 M/s · 3.18 M/s | 1/1.39× 2.29 M/s · 3.18 M/s | 1/1.18× 2.7 M/s · 3.18 M/s | 1/1.71× 905 k/s · 1.54 M/s | 3.02× 959 k/s · 318 k/s |
| double | 3.77× 1.39 M/s · 370 k/s | 3.67× 1.35 M/s · 368 k/s | 3.38× 1.7 M/s · 503 k/s | 1.30× 492 k/s · 379 k/s | 3.92× 647 k/s · 165 k/s |