Nucleo G474RE vs PIC18F57Q84
Cortex-M4F (STM32G474) at 170 MHz against PIC18F (PIC18F57Q84) at 64 MHz, on real hardware, same C kernels, clocks verified.
Nucleo G474RE
Cortex-M4F (STM32G474)
- Family
- Arm Cortex-M
- Board
- Nucleo G474RE
- Clock
- 170 MHz
- float / double
- 32-bit / 64-bit
PIC18F57Q84
PIC18F (PIC18F57Q84)
- Family
- PIC / dsPIC
- Board
- PIC18F57Q84 Curiosity Nano
- Clock
- 64 MHz
- float / double
- 32-bit / 32-bit
Typical gap
93.8×
Nucleo G474RE faster, geometric mean of 25 cells
Biggest win for Nucleo G474RE
629×
float divide
Closest cell
21.8×
uint8_t add
Clock for clock
35.3×
Nucleo G474RE needs fewer cycles per op (2.66× clock gap)
Operation by operation
Every cell
How many times faster Nucleo G474RE is than PIC18F57Q84, operations per second. Blue: Nucleo G474RE ahead. Orange: PIC18F57Q84 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 21.8× 11.7 M/s · 538 k/s | 23.3× 11.7 M/s · 504 k/s | 22.6× 11.7 M/s · 520 k/s | 66.2× 8.96 M/s · 135 k/s | 76.4× 8.1 M/s · 106 k/s |
| uint16_t | 35.8× 11.7 M/s · 328 k/s | 35.8× 11.7 M/s · 328 k/s | 40.9× 11.7 M/s · 287 k/s | 132× 8.2 M/s · 62.1 k/s | 107× 7.56 M/s · 70.6 k/s |
| uint32_t | 52.6× 12.6 M/s · 240 k/s | 52.6× 12.6 M/s · 240 k/s | 537× 12.6 M/s · 23.5 k/s | 356× 8.73 M/s · 24.5 k/s | 290× 8.3 M/s · 28.6 k/s |
| uint64_t | not measured | not measured | not measured | not measured | not measured |
| float | 314× 11.7 M/s · 37.4 k/s | 370× 11.7 M/s · 31.7 k/s | 521× 11.7 M/s · 22.6 k/s | 629× 6.42 M/s · 10.2 k/s | 67.6× 1.34 M/s · 19.8 k/s |
| double | 42.2× 1.58 M/s · 37.4 k/s | 49.8× 1.58 M/s · 31.7 k/s | 98.5× 2.22 M/s · 22.6 k/s | 164× 1.67 M/s · 10.2 k/s | 34.8× 688 k/s · 19.8 k/s |