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dsPIC33AK512 vs ESP32

dsPIC33A (dsPIC33AK512MPS506) at 200 MHz against Xtensa LX6 (ESP32) at 240 MHz, on real hardware, same C kernels, clocks verified.

dsPIC33AK512MPS506 Curiosity Nano

dsPIC33AK512

dsPIC33A (dsPIC33AK512MPS506)
Family
PIC / dsPIC
Board
dsPIC33AK512MPS506 Curiosity Nano
Clock
200 MHz
float / double
32-bit / 32-bit
ESP32

ESP32

Xtensa LX6 (ESP32)
Family
Xtensa
Board
ESP32
Clock
240 MHz
float / double
32-bit / 64-bit
Typical gap
1.07×
dsPIC33AK512 faster, geometric mean of 30 cells
Biggest win for dsPIC33AK512
13.8×
double divide
Biggest win for ESP32
17.6×
uint64_t divide
Clock for clock
1.29×
dsPIC33AK512 needs fewer cycles per op (1.20× clock gap)

Operation by operation

Every cell

How many times faster dsPIC33AK512 is than ESP32, operations per second. Blue: dsPIC33AK512 ahead. Orange: ESP32 ahead.

AddSubtractMultiplyDivideModulo
uint8_t 1.51× 17.3 M/s · 11.4 M/s 1.51× 17.3 M/s · 11.4 M/s 1.51× 17.3 M/s · 11.4 M/s 1/1.13× 9.26 M/s · 10.4 M/s 1/1.28× 7.81 M/s · 10 M/s
uint16_t 1.12× 12.8 M/s · 11.4 M/s 1.12× 12.8 M/s · 11.4 M/s 1.39× 15.9 M/s · 11.4 M/s 1/1.01× 9.26 M/s · 9.32 M/s 1/1.15× 7.81 M/s · 8.97 M/s
uint32_t 1/1.18× 10.2 M/s · 12 M/s 1/1.18× 10.2 M/s · 12 M/s 1.00× 12.1 M/s · 12 M/s 1/1.33× 7.52 M/s · 10 M/s 1/1.42× 6.76 M/s · 9.6 M/s
uint64_t 1.38× 9.71 M/s · 7.05 M/s 1.40× 9.71 M/s · 6.94 M/s 1.28× 6.14 M/s · 4.79 M/s 1/17.6× 99.2 k/s · 1.75 M/s 1/16.9× 99.8 k/s · 1.69 M/s
float 1/1.41× 8.48 M/s · 12 M/s 1/1.41× 8.48 M/s · 12 M/s 1/1.41× 8.48 M/s · 12 M/s 1.66× 6.33 M/s · 3.8 M/s 1.14× 1.98 M/s · 1.73 M/s
double 2.86× 8.48 M/s · 2.96 M/s 3.16× 8.48 M/s · 2.68 M/s 4.55× 8.48 M/s · 1.86 M/s 13.8× 6.33 M/s · 459 k/s 1.79× 1.98 M/s · 1.11 M/s

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