PIC18F57Q84 vs Nucleo G474RE
PIC18F (PIC18F57Q84) at 64 MHz against Cortex-M4F (STM32G474) at 170 MHz, on real hardware, same C kernels, clocks verified.
PIC18F57Q84
PIC18F (PIC18F57Q84)
- Family
- PIC / dsPIC
- Board
- PIC18F57Q84 Curiosity Nano
- Clock
- 64 MHz
- float / double
- 32-bit / 32-bit
Nucleo G474RE
Cortex-M4F (STM32G474)
- Family
- Arm Cortex-M
- Board
- Nucleo G474RE
- Clock
- 170 MHz
- float / double
- 32-bit / 64-bit
Typical gap
93.8×
Nucleo G474RE faster, geometric mean of 25 cells
Biggest win for PIC18F57Q84
0.05×
uint8_t add
Biggest win for Nucleo G474RE
629×
float divide
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 PIC18F57Q84 is than Nucleo G474RE, operations per second. Blue: PIC18F57Q84 ahead. Orange: Nucleo G474RE ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/21.8× 538 k/s · 11.7 M/s | 1/23.3× 504 k/s · 11.7 M/s | 1/22.6× 520 k/s · 11.7 M/s | 1/66.2× 135 k/s · 8.96 M/s | 1/76.4× 106 k/s · 8.1 M/s |
| uint16_t | 1/35.8× 328 k/s · 11.7 M/s | 1/35.8× 328 k/s · 11.7 M/s | 1/40.9× 287 k/s · 11.7 M/s | 1/132× 62.1 k/s · 8.2 M/s | 1/107× 70.6 k/s · 7.56 M/s |
| uint32_t | 1/52.6× 240 k/s · 12.6 M/s | 1/52.6× 240 k/s · 12.6 M/s | 1/537× 23.5 k/s · 12.6 M/s | 1/356× 24.5 k/s · 8.73 M/s | 1/290× 28.6 k/s · 8.3 M/s |
| uint64_t | not measured | not measured | not measured | not measured | not measured |
| float | 1/314× 37.4 k/s · 11.7 M/s | 1/370× 31.7 k/s · 11.7 M/s | 1/521× 22.6 k/s · 11.7 M/s | 1/629× 10.2 k/s · 6.42 M/s | 1/67.6× 19.8 k/s · 1.34 M/s |
| double | 1/42.2× 37.4 k/s · 1.58 M/s | 1/49.8× 31.7 k/s · 1.58 M/s | 1/98.5× 22.6 k/s · 2.22 M/s | 1/164× 10.2 k/s · 1.67 M/s | 1/34.8× 19.8 k/s · 688 k/s |