Hello!
My name is Askar and with you "IT Verdict" channel
Today we will have the first part of the review
on the device, which allows you to connect
a conventional non-mobile GPU to the laptop.
The review will consist of two parts
and it is because this part of the review was done in a very short time
because the laptop not mine and was taken for a while.
In the next part of the review, there will be more thorough tests
and, accordingly, more substantive conclusions.
More about the situation will be in the description under the video.
The name of the device, which will be discussed today,
will not tell you anything, believe me, so I will not even try to pronounce it,
you can read it yourself from the link in the description.
you can read it yourself from the link in the description.
The device costs on Gearbest almost 70$
and let's see what it consists of.
And by the way, on the chalk board,
Kate drew one interesting GPU from the past,
connected to this device, so write your assumptions
about this GPU in the commentary.
So, let's start the review.
The first thing that immediately catches the eye
is a hefty power supply from Dell, which will provide power
to the board and GPU and the board itself.
Also, the kit includes an instruction and a wire
for additional power supply of the GPU.
As for the card itself, there are a lot of ports,
it's an HDMI port through which the connection to the laptop will be made,
it's a USB port and a port for power, which I didn't use,
a port for connecting the power supply.
PCI connector, where the GPU will be connected and the power outlet
to connect the additional power supplyfor GPU.
to connect the additional power supplyfor GPU.
In fact, everything looks very simple, but it is not.
At first.
If you think that in the HDMI port we insert
an HDMI to HDMI cable, then you are mistaken.
Yes, there will certainly be an HMDI connector at one end,
but on the other end, which we will connect to the laptop,
we have a mini PCI connector, which means
that we will have to climb under the laptop cover.
And before we start, a few words about what we are working with.
We will connect the GPU Geforce GTX 750 with 2 GB of memory.
We will connect the GPU Geforce GTX 750 with 2 GB of memory.
The laptop we have the processor Intel Core i3 3120 with a frequency of 2.5 GHz
4 gigabytes of RAM, built-in graphics - Intel HD Graphics
and mobile video card Geforce GT645M.
and mobile video card Geforce GT645M.
Ideally, the GTX 750 should prove to be an order
of magnitude better than a mobile card in case of revealing its potential.
Let's start the connection.
Remove the cover and look for the PCI port
Many laptops this port is occupied by a Wi-Fi module,
which we disconnect from the laptop.
Instead, we will temporarily use an external USB Wi-Fi module.
Instead, we will temporarily use an external USB Wi-Fi module.
We remove the wi-fi module and plug the connector
into the port of the mini-PCI port.
Next, we are closing this all by the cover,
connecting it, connecting the GTX750 to the board and turning on the power.
Great, the fan spun, the laptop turns on without problems.
Great, the fan spun, the laptop turns on without problems.
Moreover, after installing the drivers, the video card
from Nvidia is determined correctly.
However, strange things begin to happen here.
The fact is that after connecting GTX 750 in the settings,
the Nvidia control panel started working once,
where we could switch the used video card.
Moreover, when trying to test a game in 90% of cases,
the laptop was given a blue screen.
The same thing happened when you tried to look
at the card information in the GPU Z
With what it was connected, I did not have time to check it,
but I tried to solve it differently.
I just connected monitor to the GPU with a very close resolution.
I just connected monitor to the GPU with a very close resolution.
Then the BSODs became noticeably less common.
However, after almost every test of the game, they did occur,
which made it necessary to restart after each run.
which made it necessary to restart after each run.
Well, let's see what happened at this stage.
Well, let's see what happened at this stage.
In the test participated only 3 games that were available on the PC,
this CS GO, Paladins and Rocket League
Settings everywhere were set to the same
and exposed so that the processor was not loaded to maximum.
As for CS GO, the values were approximately equal
with a slight advantage of the GTX 750. At the same time the mobile card
also as the external worked about 80% on average.
45 fps was produced by the mobile and 55 by the external video card.
45 fps was produced by the mobile and 55 by the external video card.
As for the Rocket League, then there were more pleasant changes.
As for the Rocket League, then there were more pleasant changes.
Where the mobile card produced about 55 frames per second,
the GTX 750 worked at full capacity, almost 90-95%
of the output was sometimes more than 100 frames per second.
This was a good sign.
Paladins.
And then I did not understand what happened.
The mobile card worked on average 80% of the output of about 50 frames,
while the GTX750 worked in a half-power and produced values
much worse. Yes, sometimes the number of frames jumped to 60 FPS,
almost all the time there were terrible drawdowns
up to 20-25 frames per second.
up to 20-25 frames per second.
Of course, based only on these tests, I will not make
full-fledged conclusions, but there is something about
which it is already possible to speak with confidence at this stage.
Firstly, this method is really working however it requires
at least a lot of patience, to solve compatibility problems,
correctly configure the driver
and the device's operation.
Second, this is the fact that this method
is not suitable for every laptop.
For example, if you use a powerful laptop
with a decent built-in video card, then by connecting in this way
some kind of top-end GTX 1080 you will simply run into the problem
of the miniPCI port's throughput, which will not allow you
to uncover your GPU and the built-in card
will show itself better.
will show itself better.
That's why I have to do the second part and test this method
on different laptop configurations and in different ways.
on different laptop configurations and in different ways.
The same part of the preliminary tests can be considered complete.
Yes, they are not single-valued, but I tried to give
a general idea of what you will first encounter in the case of using this method.
a general idea of what you will first encounter in the case of using this method.
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