i7-4610m vs i7-4700MQ

[clarkey01]

Hey

Looking at building a gaming laptop and I know these days more and more games are taking advantage of more physical cores.

I game (BF3) and do a bit of VMware but was wondering if to go with the 4610's higher frequency (3ghz) or the 4700MQ's number of cores (4/8 threads)

Cheers guys

 

[Arkaign]

The quad is much much better.

 

[nwo]

Quad core for sure!

2.4 quad core vs 3GHz dual core. I'll take the quad core any day.

4700MQ goes up to 3.4 and 4610 boosts up to 3.7. If you are using two cores on the 4700MQ, odds are that the clock speed will be nearly the same as the dual core clock speed of the 4610. So the 4700MQ wins either way you look at it. Unless there is a big price difference and budget is a large factor of your purchase decision.

 

[coercitiv]

Mobile non ULV chips can maintain boost speeds for indefinite periods of time if cooling is adequate and iGPU is not being stressed, so you should compare boost clocks, not base clocks. (3200Mhz vs 3500Mhz)

If CPU choice does not affect GPU choice, go for the quad.

 

[nwo]

Mobile non ULV chips can maintain boost speeds for indefinite periods of time if cooling is adequate and iGPU is not being stressed, so you should compare boost clocks, not base clocks. (3200Mhz vs 3500Mhz)

If CPU choice does not affect GPU choice, go for the quad.

But aren't the boost clocks only active when some of the cores are idle?

I'm still using a 2630QM which I think is a sandy bridge. I never see it go past 2GHz when I stress all cores (CPU mining) event though it has turbo up to 2.9GHz. Laptop has a dedicated GPU, so the iGPU is never active.

 

[Enigmoid]

But aren't the boost clocks only active when some of the cores are idle?

I'm still using a 2630QM which I think is a sandy bridge. I never see it go past 2GHz when I stress all cores (CPU mining) event though it has turbo up to 2.9GHz. Laptop has a dedicated GPU, so the iGPU is never active.

Ivy and Haswell address this.

My 3630qm can run furmark indefinitely at 3.2 ghz (max 4 core boost). That wasn't really possible with SB.

Cooling is also a factor.

 

[coercitiv]

But aren't the boost clocks only active when some of the cores are idle?

I'm still using a 2630QM which I think is a sandy bridge. I never see it go past 2GHz when I stress all cores (CPU mining) event though it has turbo up to 2.9GHz. Laptop has a dedicated GPU, so the iGPU is never active.

As Enigmoid mentioned, things have changed since Ivy Bridge. There are more factors involved but the basic rule of thumb should be:
- expect full boost clocks for indefinite periods of time if load is CPU only (even all cores, even Prime95 or other stress test)
- expect drops to base clocks if iGPU is under heavy load as well. (might not happen though)

As long as the laptop has adequate cooling, dGPU and a decent BIOS, one can consider the 4700MQ a 3.2Ghz cpu.

 

[clarkey01]

Cheers guys for the replies.

I used to be up to date the CPU market place up until about 2007 (Q6600 time)

Ive settled on the quad but the laptop I'm getting is coming with i7 4700HQ.

What the difference between the QM?

 

[nwo]

They seem to be different sockets if that makes any difference... Also the HQ has Intel® Virtualization Technology for Directed I/O (VT-d) support and 50MHz higher dynamic graphics frequency, I can't spot any other differences between the 4700MQ and 4700HQ