Eachine Stack X - HD SBS Comparison with Runcam Split 1, Split 2 & Runcam 3

Eachine Stack X:
Runcam Split 2:
Eachine Stack X Review Video:
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Description (From Banggood):
Brand name: Eachine
Item name: Stack-X F4 flytower
Stack-X ESC Operating voltage 2-6S Lipo
FC power Integrated
Maximum continuous operating current 4*35A
Maximum instantaneous operating current 4*40A
Oneshort125 / Multishot42 / Dshot150 / 300 / 600 Support
BlheliSuite configurable Support
Firmware version BLHELI_S Dshot 16.5 J_H_xx firmware
Board size 36*36mm
weight 13g
Stack-X F4 MCU STM32F405 32-bit processor at 168MHz
MPU ICM20608 connected via SPI
Firmware version Betaflight 3.2 FISHDRONEF4
VTX control Set in Betaflight GUI CLI command or OSD
VTX power 50MW/200MW Switchable in CLI Command
Channels 40ch
OSD firmware Betaflight OSD
Operating voltage 2-6S Lipo (Power from ESC)
Frsky smartport UART1
SBUS input UART3
Board size 36*36mm
Weight 7g
Stack-X DVR Camera focal length 2.8mm
Camera lens angle H:130 degree V: 98 degree
Camera lens screw size M12
Camera sensor 1/2.5 Inch CMOS
Camera size L32mm*W22mm*H24mm
DVR records effective pixel 1920(H)x1080(V)
Analog video output effective pixel 640(H)x480(V)
DVR records frame rate 60fps
DVR compress format MOV
DVR size L36mm*W36mm*H5mm
Video format NTSC or PAL Switchable
Working voltage DC 5V
Total weight(include camera) 24g
Features:
STM32F405 MCU Runs Betaflight 3.2.0 firmware.
Use ICM-20608 as Acc & Gyro over SPI Bus.
Serial or PPM signal input.
STM32 control Betalfight OSD Over SPI in DMA Mode– configure by Betaflight GUI.
Integrated 5.8G 40CH VTX power switchable - 50mw / 200mw switchable.
STM32 control VTX Band / Channel / Power -Set in Betaflight GUI in CLI Command.
BLheli_S new firmware 4in1 35A ESC Dshot600 ready.
BLHELI pass-through ready.
1080P 60 FPS video recorder support AV real time transmit.
1080P Digital 130 degree camera with 1/2.5 CMOS sensor.
Lower CBVS latency 50ms~80ms.
Remote control Start / Stop video record via PWM signal.
3S-6S power support.