XIAO MG24 vs MSP430FR2433

Cortex-M33 (EFR32MG24) at 39 MHz against MSP430FRx (MSP430FR2433) at 15.99 MHz, on real hardware, same C kernels, clocks verified.

XIAO MG24

Cortex-M33 (EFR32MG24)

MSP430FRx (MSP430FR2433)

Typical gap

30.9×

XIAO MG24 faster, geometric mean of 30 cells

Biggest win for XIAO MG24

544×

float multiply

Closest cell

4.37×

uint8_t add

Clock for clock

12.7×

XIAO MG24 needs fewer cycles per op (2.44× clock gap)

How many times faster XIAO MG24 is than MSP430FR2433, operations per second. Blue: XIAO MG24 ahead. Orange: MSP430FR2433 ahead.

	Add	Subtract	Multiply	Divide	Modulo
uint8_t	4.37× 2.71 M/s · 621 k/s	4.54× 2.71 M/s · 598 k/s	8.71× 2.52 M/s · 290 k/s	28.3× 2.44 M/s · 86.4 k/s	22.3× 1.92 M/s · 86 k/s
uint16_t	4.56× 2.94 M/s · 646 k/s	4.71× 2.93 M/s · 622 k/s	9.48× 2.93 M/s · 309 k/s	31.0× 2.09 M/s · 67.3 k/s	26.4× 1.77 M/s · 67 k/s
uint32_t	8.64× 3.19 M/s · 370 k/s	8.04× 3.19 M/s · 397 k/s	14.0× 2.93 M/s · 210 k/s	95.5× 2.21 M/s · 23.1 k/s	85.3× 1.96 M/s · 23 k/s
uint64_t	15.7× 2.36 M/s · 151 k/s	17.2× 2.36 M/s · 137 k/s	20.9× 1.97 M/s · 94.3 k/s	70.1× 285 k/s · 4.06 k/s	55.9× 285 k/s · 5.1 k/s
float	189× 3.18 M/s · 16.8 k/s	196× 3.18 M/s · 16.2 k/s	544× 3.18 M/s · 5.85 k/s	132× 1.54 M/s · 11.7 k/s	15.0× 318 k/s · 21.3 k/s
double	45.2× 370 k/s · 8.18 k/s	47.2× 368 k/s · 7.8 k/s	534× 503 k/s · 942 /s	181× 379 k/s · 2.1 k/s	18.8× 165 k/s · 8.79 k/s