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MSP430FR2433 vs ESP32

MSP430FRx (MSP430FR2433) at 15.99 MHz against Xtensa LX6 (ESP32) at 240 MHz, on real hardware, same C kernels, clocks verified.

MSP-EXP430FR2433 LaunchPad

MSP430FR2433

MSP430FRx (MSP430FR2433)
Family
MSP430
Board
MSP-EXP430FR2433 LaunchPad
Clock
15.99 MHz
float / double
32-bit / 64-bit
ESP32

ESP32

Xtensa LX6 (ESP32)
Family
Xtensa
Board
ESP32
Clock
240 MHz
float / double
32-bit / 64-bit
Typical gap
128×
ESP32 faster, geometric mean of 30 cells
Biggest win for MSP430FR2433
0.06×
uint16_t add
Biggest win for ESP32
2,049×
float multiply
Clock for clock
8.50×
ESP32 needs fewer cycles per op (15.0× clock gap)

Operation by operation

Every cell

How many times faster MSP430FR2433 is than ESP32, operations per second. Blue: MSP430FR2433 ahead. Orange: ESP32 ahead.

AddSubtractMultiplyDivideModulo
uint8_t 1/18.4× 621 k/s · 11.4 M/s 1/19.1× 598 k/s · 11.4 M/s 1/39.4× 290 k/s · 11.4 M/s 1/121× 86.4 k/s · 10.4 M/s 1/116× 86 k/s · 10 M/s
uint16_t 1/17.7× 646 k/s · 11.4 M/s 1/18.4× 622 k/s · 11.4 M/s 1/37.0× 309 k/s · 11.4 M/s 1/139× 67.3 k/s · 9.32 M/s 1/134× 67 k/s · 8.97 M/s
uint32_t 1/32.5× 370 k/s · 12 M/s 1/30.2× 397 k/s · 12 M/s 1/57.3× 210 k/s · 12 M/s 1/433× 23.1 k/s · 10 M/s 1/417× 23 k/s · 9.6 M/s
uint64_t 1/46.8× 151 k/s · 7.05 M/s 1/50.6× 137 k/s · 6.94 M/s 1/50.8× 94.3 k/s · 4.79 M/s 1/431× 4.06 k/s · 1.75 M/s 1/332× 5.1 k/s · 1.69 M/s
float 1/713× 16.8 k/s · 12 M/s 1/739× 16.2 k/s · 12 M/s 1/2,049× 5.85 k/s · 12 M/s 1/326× 11.7 k/s · 3.8 M/s 1/81.4× 21.3 k/s · 1.73 M/s
double 1/362× 8.18 k/s · 2.96 M/s 1/344× 7.8 k/s · 2.68 M/s 1/1,979× 942 /s · 1.86 M/s 1/219× 2.1 k/s · 459 k/s 1/126× 8.79 k/s · 1.11 M/s

Where they sit in the fleet

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