
8-bit Atmega328
120MHz 32-bit Cortex-M4
8-bit Atmega328P
32-bit ESP32
64-bit Rockchip RK3399Pro
(dual-core Cortex-A72 @ 1.8GHz,
quad-core Cortex-A53 @ 1.4GHz)
64-bit NXP i.MX 8M
32-bit quad-core
Cortex-A7 V40
32-bit AM335X
Cortex-A8
32-bit Cortex-A8, TI Programmable
Real-time Units
NXP i.MX6ULZ
64-bit MediaTek i300
32KB flash, 2KB DRAM
1MB flash, 256KB RAM,
6KB EEPROM
32KB flash
4MB PSRAM
Dual-CH LPDDR4 4GB (System) +
LPDDR3 2GB (NPU)
LPDDR4 1GB
1GB DDR3 SDRAM
4GB eMMC flash
512MB RAM,
4GB eMMC flash
512MB RAM
2GB
4
21–50
1–10
16
28
28
26
50+
1–7
8
40
8 ADC, 4 PWM
13+
4–6
6
3 PWM
3 PWM
—
7–12
4
—
12–30
—
—
—
Wi-Fi
Wi-Fi, Bluetooth,
Mini PCIe slot
(for 4G/LTE)
Wi-Fi, Bluetooth
Wi-Fi, Bluetooth ...