XIAO MG24 vs ESP32-S3
Cortex-M33 (EFR32MG24) at 39 MHz against Xtensa LX7 (ESP32-S3) at 240 MHz, on real hardware, same C kernels, clocks verified.
XIAO MG24
Cortex-M33 (EFR32MG24)
- Family
- Arm Cortex-M
- Board
- XIAO MG24 Sense
- Clock
- 39 MHz
- float / double
- 32-bit / 64-bit
ESP32-S3
Xtensa LX7 (ESP32-S3)
- Family
- Xtensa
- Board
- ESP32-S3 DevKit
- Clock
- 240 MHz
- float / double
- 32-bit / 64-bit
Typical gap
4.48×
ESP32-S3 faster, geometric mean of 30 cells
Biggest win for XIAO MG24
0.73×
double divide
Biggest win for ESP32-S3
8.22×
double add
Clock for clock
1.37×
XIAO MG24 needs fewer cycles per op (6.15× clock gap)
Operation by operation
Every cell
How many times faster XIAO MG24 is than ESP32-S3, operations per second. Blue: XIAO MG24 ahead. Orange: ESP32-S3 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/4.68× 2.71 M/s · 12.7 M/s | 1/4.68× 2.71 M/s · 12.7 M/s | 1/5.03× 2.52 M/s · 12.7 M/s | 1/4.70× 2.44 M/s · 11.5 M/s | 1/5.72× 1.92 M/s · 10.9 M/s |
| uint16_t | 1/4.32× 2.94 M/s · 12.7 M/s | 1/4.33× 2.93 M/s · 12.7 M/s | 1/4.33× 2.93 M/s · 12.7 M/s | 1/4.86× 2.09 M/s · 10.1 M/s | 1/5.49× 1.77 M/s · 9.72 M/s |
| uint32_t | 1/4.20× 3.19 M/s · 13.4 M/s | 1/4.20× 3.19 M/s · 13.4 M/s | 1/4.57× 2.93 M/s · 13.4 M/s | 1/4.96× 2.21 M/s · 11 M/s | 1/5.33× 1.96 M/s · 10.5 M/s |
| uint64_t | 1/3.34× 2.36 M/s · 7.87 M/s | 1/3.31× 2.36 M/s · 7.81 M/s | 1/2.77× 1.97 M/s · 5.45 M/s | 1/6.31× 285 k/s · 1.8 M/s | 1/6.12× 285 k/s · 1.74 M/s |
| float | 1/3.99× 3.18 M/s · 12.7 M/s | 1/3.99× 3.18 M/s · 12.7 M/s | 1/3.98× 3.18 M/s · 12.7 M/s | 1/2.25× 1.54 M/s · 3.48 M/s | 1/6.13× 318 k/s · 1.95 M/s |
| double | 1/8.22× 370 k/s · 3.04 M/s | 1/7.57× 368 k/s · 2.79 M/s | 1/3.97× 503 k/s · 2 M/s | 1/1.36× 379 k/s · 516 k/s | 1/7.41× 165 k/s · 1.22 M/s |