PIC24FJ64GU205 vs Feather M4
PIC24F (PIC24FJ64GU205) at 32 MHz against Cortex-M4F (SAMD51) at 120 MHz, on real hardware, same C kernels, clocks verified.
PIC24FJ64GU205
PIC24F (PIC24FJ64GU205)
- Family
- PIC / dsPIC
- Board
- PIC24FJ64GU205 Curiosity Nano
- Clock
- 32 MHz
- float / double
- 32-bit / 32-bit
Feather M4
Cortex-M4F (SAMD51)
- Family
- Arm Cortex-M
- Board
- Feather M4 Express
- Clock
- 120 MHz
- float / double
- 32-bit / 64-bit
Typical gap
20.2×
Feather M4 faster, geometric mean of 30 cells
Biggest win for PIC24FJ64GU205
0.22×
double modulo
Biggest win for Feather M4
405×
uint64_t modulo
Clock for clock
5.39×
Feather M4 needs fewer cycles per op (3.75× clock gap)
Operation by operation
Every cell
How many times faster PIC24FJ64GU205 is than Feather M4, operations per second. Blue: PIC24FJ64GU205 ahead. Orange: Feather M4 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/6.30× 1.43 M/s · 8.98 M/s | 1/6.30× 1.43 M/s · 8.98 M/s | 1/6.86× 1.31 M/s · 8.98 M/s | 1/14.1× 497 k/s · 7.01 M/s | 1/12.8× 497 k/s · 6.36 M/s |
| uint16_t | 1/7.84× 1.15 M/s · 8.98 M/s | 1/7.84× 1.15 M/s · 8.98 M/s | 1/7.84× 1.15 M/s · 8.98 M/s | 1/12.6× 485 k/s · 6.12 M/s | 1/11.1× 485 k/s · 5.36 M/s |
| uint32_t | 1/10.9× 890 k/s · 9.71 M/s | 1/10.9× 890 k/s · 9.71 M/s | 1/15.1× 641 k/s · 9.71 M/s | 1/190× 34.3 k/s · 6.53 M/s | 1/183× 33.8 k/s · 6.19 M/s |
| uint64_t | 1/10.8× 572 k/s · 6.19 M/s | 1/9.28× 668 k/s · 6.19 M/s | 1/42.2× 133 k/s · 5.61 M/s | 1/405× 2.19 k/s · 885 k/s | 1/405× 2.18 k/s · 885 k/s |
| float | 1/67.6× 133 k/s · 8.98 M/s | 1/73.8× 122 k/s · 8.98 M/s | 1/53.6× 168 k/s · 8.98 M/s | 1/60.4× 78.2 k/s · 4.73 M/s | 1/9.00× 96.3 k/s · 866 k/s |
| double | 1/9.24× 130 k/s · 1.2 M/s | 1/10.0× 119 k/s · 1.19 M/s | 1/10.5× 162 k/s · 1.7 M/s | 1/16.3× 77.1 k/s · 1.26 M/s | 1/4.50× 94.5 k/s · 425 k/s |