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Espressif ESP32Espressif ESP8266Ameba RTL8195Ameba RTL8710
Release date20162014Jul. 1st 2016 Aug. 1st 2016
Product details
RAM520 KB50 KB less than48 KB available to user
CPUTensilica Xtensa LX6
32 bit Dual-Core @ 160 / 240Mhz
Tensilica LX106
32 bit @ 80 MHz (up to 160 MHz)
ARM Cortex M3
32 bit @ 166 MHz
ARM Cortex M3
32 bit @ 83 MHz
Flashup to 64 MBytes1, 2, 4, 8 or 16 MB1MB Built-in
Input Voltage2.2 V - 3.6 V3.0 V - 3.6 V3.0 V - 3.6 V3.0 V - 3.6 V
Operating Current80 mA average80 mA average80 mA average80 mA average
Temperature Range-40°C to 125°C-40°C to 125°C-40°C to +125°C-40°C to +125°C
StandardsFCC/CE/TELEC/KCCFCC/CE/TELEC/SRRCFCC/CE/TELEC/SRRCFCC/CE/TELEC/SRRC
Connectivity
Wi-FiYes 802.11b/g/nYes 802.11b/g/n (max 65Mbps)Yes 802.11b/g/nYes 802.11b/g/n
Bluetooth®Yes 4.2 BR/EDR + BLENoNoNo
UART323x UART2x UART
I/O
I²CYes up to 2Yes up to 1Yes up to 4Yes up to 1
GPIO3417 (up to)30 (up to)17 (up to)
PCMYes up to 1NoYes up to 2No
PWMYes up to 8Yes 4Yes up to 4Yes up to 4
ADCYes 12 bit SAR ADC up to 18 channelsYes 10 bitYes 2 channelsNo
DACYes 8 bit up to 2 channelsNoYes 1 channelNo
Dimensions
PackageQFN-48QFN-32QFN-48QFN-48
Height6 mm5 mm6 mm6 mm
Width6 mm5 mm6 mm6 mm
Links
Websiteespressif.com/...espressif.com/...amebaiot.com/en/amebaiot.com/en/
Wikipediawikipedia.org/...wikipedia.org/...
See on Amazonamazon.com/...amazon.com/...amazon.com/...