Intel Core i5 Mobile CPUs: Which one is better? 4300Y vs 5Y71?

PHIL528 · Sep 16, 2015

Both of the CPUs are dual core.

What I am confused with is that the 4300Y has a base clock of 1.6GHz and the 5Y71 has a base clock of 1.2GHz, yet, on CPU boss it rates the 5Y71 as better in most scores???

http://cpuboss.com/cpus/Intel-Core-i5-4300Y-vs-Intel-Core-M-5Y71

Thanks!

Deuce65 · Sep 16, 2015

The 5Y71 boosts to 2.9 and the 4300y boosts to 2.6. Of course, there is more to it then just clock speed, but either way the 5Y71 is faster.

TechyInAZ · Sep 16, 2015

Core M isn't a Core i5 btw.

The Core I3, i5, and I7 run circles around ALL the Core M CPUs. Core M is designed for ultra small form factors, and because of it's small TDP of 5 watts, it won't do much. Where as the i3, i5 and i7 have a TDP of at least 17W, allowing them to be way faster than Core M.

PHIL528 · Sep 16, 2015

TechyInAZ :

Thanks. That must be why when I do search results I don't get what I was looking for x.e...

TechyInAZ · Sep 16, 2015

No problem. Yeah it's confusing, mainly because Core M just came out recently.

Deuce65 · Sep 18, 2015

TechyInAZ :

What? No, this is completely wrong. First off, core i3, core i5, core i7, and core m are all just brand names. Second, the OP asked how a core M CPU outperforms a particular core i5 CPU (which it does) so obviously "the core i3, i5, and i7 run circles around ALL the core M CPUs" is wrong, or we wouldn't have this question to begin with.

Here are some benchmarks to demonstrate, you can see the same thing on passmark, or wherever you want to look:

http://www.cpu-monkey.com/en/cpu-intel_core_m_5y71-453

The core M are not the fastest CPUs around sure, but they are more then capable of beating out many Core i3, i5, and even i7 chips (the dual core ones anyway).

PHIL528 · Sep 20, 2015

Deuce65 :

TechyInAZ :

What? No, this is completely wrong. First off, core i3, core i5, core i7, and core m are all just brand names. Second, the OP asked how a core M CPU outperforms a particular core i5 CPU (which it does) so obviously "the core i3, i5, and i7 run circles around ALL the core M CPUs" is wrong, or we wouldn't have this question to begin with.

Here are some benchmarks to demonstrate, you can see the same thing on passmark, or wherever you want to look:

http://www.cpu-monkey.com/en/cpu-intel_core_m_5y71-453

The core M are not the fastest CPUs around sure, but they are more then capable of beating out many Core i3, i5, and even i7 chips (the dual core ones anyway).

Thanks.

lifespill · Nov 3, 2015

In theory core m cpu would be faster,because it has higher turbo boost reaching 2.9ghz over 2.5 of the core i5.But this is in absolute theory.There are many things that play role in that,for an example the thermal configuration choosen by the laptop manifacture can play a significant role in that.Turbo boost works in specific situations as low temps and single core usage.So base clock in my opinion is more important than turbo boost in any laptop cpu.

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