Geforce 840m (4GB) vs GeForce 940 (2GB)

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Logiskull

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May 26, 2015
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Hello guys, I was planning to buy a new laptop mainly for gaming, (please don't suggest me to build a pc)
After searching a lot, I've shortlisted these two laptops:

HP pavilion 15-ab032tx notebook (840 USD)

And

Lenovo Z50-70 (59-429607) notebook (850 USD)

both of them have:
15.6" screen
1080p display
8GB DDR3 RAM
1TB HHD

The Processor: The HP laptop hasta 5th gen i5 processor (5200U) and the Lenovo laptop has a 4th gen i5 processor(4210U)

But the main difference between them is that the HP pavilion has a GeForce 940m (2GB) graphics card and the Lenovo Z50-70 has a GeForce 840m (4GB) graphics card

So as you can see, the HP laptop has a better graphics card but it has only 2GB VRAM. On the other hand, The Lenovo laptop is equipped with a less powerful graphics card but it's VRAM is 4GB.

Games nowadays have very high specs requirements but I don't know what is more important, The Graphics card or it's VRAM.

Any help would be greatly appreciated.
 
Solution
Solandri
The 940m is just an 840m clocked at 1072 MHz instead of 1029 MHz. It is based on the Maxwell GM108 same as the 840m, not the new GM204 like in the 965m and higher. The nvidia 960m and lower are basically overclocked versions of the 8xxm. The 965m and higher are "new" GPUs.

The i5-4210U turbo boosts to 2.4 GHz on two cores, 2.7 GHz on one core.
The i5-5200U turbo boosts to 2.5 GHz on two cores, 2.7 GHz on one core.

The CPU and GPU performance difference between these two are negligible. Assuming similar battery size, your choice basically boils down to better battery life with the HP, or 4GB VRAM with the Lenovo.
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Solandri

Solandri

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Jan 4, 2012
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The 940m is just an 840m clocked at 1072 MHz instead of 1029 MHz. It is based on the Maxwell GM108 same as the 840m, not the new GM204 like in the 965m and higher. The nvidia 960m and lower are basically overclocked versions of the 8xxm. The 965m and higher are "new" GPUs.

The i5-4210U turbo boosts to 2.4 GHz on two cores, 2.7 GHz on one core.
The i5-5200U turbo boosts to 2.5 GHz on two cores, 2.7 GHz on one core.

The CPU and GPU performance difference between these two are negligible. Assuming similar battery size, your choice basically boils down to better battery life with the HP, or 4GB VRAM with the Lenovo.
 
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