[Same Price $39.99]Which Better: Pioneer4you IPV8 VS Wismec Rx300?

Pioneer4you IPV8 230W TC Box Mod With YiHi SX330-F8 Chip VS Wismec Reuleaux RX300 Box Mod !

Recently,there are two similar BoxMOD on the market,Pioneer4you IPV8 & Wismec Rx300!They are very popupar with same low price in Efun.Top.
Just only $39.99!
So, what is the same & difference between them?
Let's take a look:

Pioneer4you IPV8 230W TC Box Mod:

Specifications:
Powered by YiHi SX330-F8 Chip
Output Power: 10W-230W
Output Joule: 10J-120J
Standard Resistance: 0.15ohm-3.0ohm
Joules Mode Resistance: 0.05-1.5ohm
SX Pure Resistance:0.040ohm-0.060ohm
TCR Value: 0.00050-0.00700
Input Voltage: 6.4-9V
Output Voltage: 1.0V-7.0V
Temp. limit Centigrade: 100°C-300°C
Temp. limit Fahrenheit: 212°F-572°F
Dirctly charging

Wismec Reuleaux RX300 Box Mod:

Specifications:
Size: 42mm*58mm*81.7mm
Thread Type: 510 spring loaded thread
Cell type: High-rate 18650 cell
Cell type: (discharge current should be above 25A)
Output Mode: VW/TC-Ni/TC-Ti/TC-SS/TCR Mode
Output Wattage: 1-300W
Resistance Range: 0.05-1.5ohm for TC modes
Resistance Range: 0.1-3.5ohm for VW mode
Temperature Range: 100-315°C/200-600°F (TC modes)
Maximum Charging Current: 1.5A
Maximum Output Current: 50A

By understanding the details above ,So which one do you like better?
Please add more details about these two products,if you know.