Table 2 Comparison of selected CPUs.

From: Empowering stroke recovery with upper limb rehabilitation monitoring using TinyML based heterogeneous classifiers

Microcontroller

Price

CPU, Speed

Power Consumption

Memory

Size

SparkFun Edge (Apollo3 Blue)

$16.50

ARM Cortex-M4F, 48 MHz

6uA/MHz

384 KB SRAM, 1 MB FLASH

40.6 mm*40.6 mm

Arduino Nano 33 BLE Sense Rev2

$41.90

ARM Cortex-M4F, 64 MHz

14.0625µA/MHz

256 KB SRAM, 1 MB FLASH

18 mm*45 mm

STMicroelectronics STM32F746G

$55.13

ARM Cortex M7, 216 MHz

0.463 mA/MHz

340 KB SRAM, 1 MB FLASH

80 mm*130 mm

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