ESP32-C6 vs Teensy 4.0
RV32IMAC (ESP32-C6) at 160 MHz against Cortex-M7 (i.MX RT1062) at 600 MHz, on real hardware, same C kernels, clocks verified.
ESP32-C6
RV32IMAC (ESP32-C6)
- Family
- RISC-V
- Board
- ESP32-C6-DevKitM-1
- Clock
- 160 MHz
- float / double
- 32-bit / 64-bit
Teensy 4.0
Cortex-M7 (i.MX RT1062)
- Family
- Arm Cortex-M
- Board
- Teensy 4.0
- Clock
- 600 MHz
- float / double
- 32-bit / 64-bit
Typical gap
9.59×
Teensy 4.0 faster, geometric mean of 30 cells
Biggest win for ESP32-C6
0.21×
uint32_t modulo
Biggest win for Teensy 4.0
40.4×
double subtract
Clock for clock
2.56×
Teensy 4.0 needs fewer cycles per op (3.75× clock gap)
Operation by operation
Every cell
How many times faster ESP32-C6 is than Teensy 4.0, operations per second. Blue: ESP32-C6 ahead. Orange: Teensy 4.0 ahead.
| Add | Subtract | Multiply | Divide | Modulo | |
|---|---|---|---|---|---|
| uint8_t | 1/6.03× 12.8 M/s · 77.4 M/s | 1/5.39× 14 M/s · 75.3 M/s | 1/5.39× 14 M/s · 75.3 M/s | 1/6.46× 8.1 M/s · 52.3 M/s | 1/5.64× 8.2 M/s · 46.3 M/s |
| uint16_t | 1/7.29× 10.3 M/s · 75.3 M/s | 1/7.26× 10.3 M/s · 75 M/s | 1/6.20× 11.1 M/s · 68.6 M/s | 1/5.64× 7.35 M/s · 41.5 M/s | 1/5.05× 7.43 M/s · 37.5 M/s |
| uint32_t | 1/6.45× 12.8 M/s · 82.8 M/s | 1/7.22× 11.9 M/s · 85.7 M/s | 1/5.77× 11.9 M/s · 68.6 M/s | 1/5.36× 7.35 M/s · 39.3 M/s | 1/4.69× 7.43 M/s · 34.8 M/s |
| uint64_t | 1/7.70× 8.2 M/s · 63.2 M/s | 1/7.30× 8.65 M/s · 63.2 M/s | 1/6.16× 7.1 M/s · 43.7 M/s | 1/5.48× 1.01 M/s · 5.54 M/s | 1/5.62× 986 k/s · 5.54 M/s |
| float | 1/32.4× 2.4 M/s · 77.7 M/s | 1/33.9× 2.29 M/s · 77.7 M/s | 1/28.8× 2.7 M/s · 77.7 M/s | 1/29.9× 905 k/s · 27 M/s | 1/6.95× 959 k/s · 6.67 M/s |
| double | 1/40.1× 1.39 M/s · 56 M/s | 1/40.4× 1.35 M/s · 54.7 M/s | 1/25.7× 1.7 M/s · 43.7 M/s | 1/31.9× 492 k/s · 15.7 M/s | 1/7.49× 647 k/s · 4.84 M/s |