I deleted some promotion from the name of your thread and from your post above (two words were deleted).
As to your
question so it was already discussed many times -
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MT4 vs MT5
- https://www.mql5.com/en/forum/9950/page80#comment_2906486
- Why is it better MT5 than MT4?? Does it have fewer limitations ??
https://www.mql5.com/en/forum/167691 - Why is it better MT5 than MT4?? Does it have fewer limitations ??? [UPDATED]
https://www.mql5.com/en/forum/219009 - https://www.mql5.com/ru/forum/204406 (in Russian)
MQL5 vs QLUA - Why trading operations in MQL5 are up to 28 times faster? - the article
The Video from MQ: demonstration of the calculations on the GPU in MQL5 code and the graphics capabilities of the terminal
MQL5 speed test (compare with MQL4 and C++)
https://www.mql5.com/ru/forum/217992#comment_5943518 (in
Russian)

- 2016.10.17
- www.mql5.com
Guys, for those of you who are using automated trading, which platform is better. MT4 or MT5, and why?
I have read that the main differences between the 2 platforms are MT5 are able to trade indices, futures and indexes whereas MT4 cant. Also MT5 had more timeframes. But in terms of program efficiency, are MT5 faster and more efficient (since is newer)? and in what way?
thanks for the kind reply
Definitively MT5. Much more complete.
I suppose that most of the ppl keeping MT4 are ppl with olds indicators/EA and unable to convert it however MT4 still have numberous users
Btw MT4 is no longer supported officially so if you're just starting your activity, switch directly to MT5
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Whether speed, or the future potential , MT5 is better.
I have read that the main differences between the 2 platforms are MT5 are able to trade indices, futures and indexes whereas MT4 cant.
Not true.
If the broker that you use offers indices etc, then they can be traded on MT4

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Guys, for those of you who are using automated trading, which platform is better. MT4 or MT5, and why?
I have read that the main differences between the 2 platforms are MT5 are able to trade indices, futures and indexes whereas MT4 cant. Also MT5 had more timeframes. But in terms of program efficiency, are MT5 faster and more efficient (since is newer)? and in what way?
thanks for the kind reply