I5 or r5

Solution
Depends on what your doing, if purely gaming the Core i5 will be a tad faster. But for multitasking and other multithreaded apps, Ryzen 5 is much better.

Supahos

Expert
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1) they aren't the same chip (check cache numbers)

2) the 1500x comes with a good enough stock cooler to oc to 3.8 usually.

The 1400 only makes sense if the 1500x price difference won't allow you to get the build at all, and youre willing to add a cooler later.
 


1) Good catch. The other "X" chips in the Ryzen lineup are identical to their counterparts except for clock speed.

2) It's also my understanding that most of the Ryzen chips (I am more familiar with the R7) hit a OC wall no matter the cooling you throw at it.

3) The benchmarks I have seen show on OC 1400 to be the same as a 1500x with a midrange GPU (see link below)
https://www.youtube.com/watch?v=8u1hd_7nUaw

4) If you want to spend more money just to say that you have 16mb of l3 cache instead of 8 then go for it.
 

Supahos

Expert
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You can't reach but maybe 3.5 on the stock cooler with a 1400, if you're going to buy one anyway, perhaps it's okay but that cooler on the 1500x is substantial. I wouldn't directly pay for the cache but it's nice outside of gaming. And you'd spend more than the price difference for a cooler so... Kinda a toss up
 
The i5 7500 clock speeds are not high enough to take a big lead with the Ryzen 5. But, a good overclocked i5 7600k would be a good performance boost in gaming. But I think as AMD's new architecture improves with zen+ or zen 2 we will see the clock speeds start to get up there in competition with intel.