XIAO MG24 vs Teensy 4.0
Cortex-M33 (EFR32MG24) at 39 MHz against Cortex-M7 (i.MX RT1062) at 600 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
Teensy 4.0
Cortex-M7 (i.MX RT1062)
- Family
- Arm Cortex-M
- Board
- Teensy 4.0
- Clock
- 600 MHz
- float / double
- 32-bit / 64-bit
Typical gap
28.2×
Teensy 4.0 faster, geometric mean of 30 cells
Biggest win for XIAO MG24
0.06×
float divide
Biggest win for Teensy 4.0
151×
double add
Clock for clock
1.83×
Teensy 4.0 needs fewer cycles per op (15.4× clock gap)
Operation by operation
Every cell
How many times faster XIAO MG24 is than Teensy 4.0, operations per second. Blue: XIAO MG24 ahead. Orange: Teensy 4.0 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/28.5× 2.71 M/s · 77.4 M/s | 1/27.8× 2.71 M/s · 75.3 M/s | 1/29.9× 2.52 M/s · 75.3 M/s | 1/21.4× 2.44 M/s · 52.3 M/s | 1/24.2× 1.92 M/s · 46.3 M/s |
| uint16_t | 1/25.6× 2.94 M/s · 75.3 M/s | 1/25.6× 2.93 M/s · 75 M/s | 1/23.4× 2.93 M/s · 68.6 M/s | 1/19.9× 2.09 M/s · 41.5 M/s | 1/21.2× 1.77 M/s · 37.5 M/s |
| uint32_t | 1/25.9× 3.19 M/s · 82.8 M/s | 1/26.8× 3.19 M/s · 85.7 M/s | 1/23.4× 2.93 M/s · 68.6 M/s | 1/17.8× 2.21 M/s · 39.3 M/s | 1/17.7× 1.96 M/s · 34.8 M/s |
| uint64_t | 1/26.8× 2.36 M/s · 63.2 M/s | 1/26.8× 2.36 M/s · 63.2 M/s | 1/22.2× 1.97 M/s · 43.7 M/s | 1/19.5× 285 k/s · 5.54 M/s | 1/19.5× 285 k/s · 5.54 M/s |
| float | 1/24.5× 3.18 M/s · 77.7 M/s | 1/24.5× 3.18 M/s · 77.7 M/s | 1/24.4× 3.18 M/s · 77.7 M/s | 1/17.5× 1.54 M/s · 27 M/s | 1/21.0× 318 k/s · 6.67 M/s |
| double | 1/151× 370 k/s · 56 M/s | 1/148× 368 k/s · 54.7 M/s | 1/86.9× 503 k/s · 43.7 M/s | 1/41.4× 379 k/s · 15.7 M/s | 1/29.4× 165 k/s · 4.84 M/s |