Forum Thread

can someone clarify the whole GPU inside the CPU for me?

jd254 678 191 September 28, 2011 at 07:46 AM
I know modern CPU's have a gpu core inside. how does that work? If I plug my hdmi cable into my motherboard... wont the motherboard integrated graphic processor be doing the work? Should I be assuming the CPU is handing off finished work to the integrated gpu? does this save power?

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#2
Are you referring to Sandy Bridge's integrated graphics?
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Quote from jd254 View Post :
I know modern CPU's have a gpu core inside. how does that work? If I plug my hdmi cable into my motherboard... wont the motherboard integrated graphic processor be doing the work? Should I be assuming the CPU is handing off finished work to the integrated gpu? does this save power?
If you're referring to Intel's Sandy Bridge compatible chipsets and the H67 or Z68 in particular, those boards don't have integrated GPUs. The CPU acts as the GPU. Even the lowest of the low end Celeron in Socket 1155 has Intel HD graphics built in.
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Last edited by kakomu September 28, 2011 at 08:09 AM
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Quote from kakomu View Post :
If you're referring to Intel's Sandy Bridge compatible chipsets and the H67 or Z68 in particular, those boards don't have integrated GPUs. The CPU acts as the GPU. Even the lowest of the low end Celeron in Socket 1155 has Intel HD graphics built in.
yes i am

In my head, I'm going "oooooohhhhhhhhhhhhhhhhhhhhhhhhhhhhhh" lol

follow up questions:

1. are there boards for Sandy Bridges that HAVE integrated GPU's?
2. what happens when you plug a SB into one that does?
3. is performance from a SB's GPU better than an intergrated GPU on a mobo or is this a power saving design?
4. link to gaming performance from an SB's gpu if you have the time? I'll just google myself later after I finish reading some articles on OC'ing the SB and Thubans
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Quote from jd254 View Post :
yes i am

In my head, I'm going "oooooohhhhhhhhhhhhhhhhhhhhhhhhhhhhhh" lol

follow up questions:

1. are there boards for Sandy Bridges that HAVE integrated GPU's?

It's not the motherboard that has the integrated video--it's the CPU.

2. what happens when you plug a SB into one that does?

I assume you mean the integrated video that Sandy Bridge CPUs have. If you use said CPU on a motherboard that can use the processor's integrated video, then you won't need a video card to connect your board to a display.

3. is performance from a SB's GPU better than an intergrated GPU on a mobo or is this a power saving design?

Probably only slightly better than a motherboard with integrated video, and definitely more power conservative than a dedicated video card.

4. link to gaming performance from an SB's gpu if you have the time? I'll just google myself later after I finish reading some articles on OC'ing the SB and Thubans

I would not recommend gaming with a Sandy Bridge's integrated graphics. It's made for basic tasks--movies, basic browsing, etc.--not gaming.
.....
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Quote from prozac4312 View Post :
.....
I'll state my question more clearly. there's the SB's with the GPU inside the CPU itself. and then there's the motherboard... regular mobo's with integrated GPU's. I understand that you told me there are compatible mobo's that doesn't have integrated GPU on it to use with the SB with the GPU's inside. does these just have a dvi or hdmi slot on it?

my question was... is there a motherboard out there (with the same socket size as the SB with the gpu inside the chip) that have an integrated video chipset?
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Quote from jd254 View Post :
I'll state my question more clearly. there's the SB's with the GPU inside the CPU itself. and then there's the motherboard... regular mobo's with integrated GPU's. I understand that you told me there are compatible mobo's that doesn't have integrated GPU on it to use with the SB with the GPU's inside. does these just have a dvi or hdmi slot on it?

my question was... is there a motherboard out there (with the same socket size as the SB with the gpu inside the chip) that have an integrated video chipset?
Yes. Not all CPUs with socket LGA1156 type has GPU built-in. So most of the SB motherboards still have integrated vga chips. The design seems to disable the on-board vga chip when the motherboard senses a SB CPU (the one with GPU on CPU) is used.

Ref.
context of
http://en.wikipedia.org/wiki/Sock...processors
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Quote from jd254 View Post :
1. are there boards for Sandy Bridges that HAVE integrated GPU's?
I've seen only one board with an integrated GPU (Nvidia GT430). Otherwise, all of the boards with Intel Chipsets have no integrated GPUs.

Quote from jd254 View Post :
2. what happens when you plug a SB into one that does?
The board uses a Z68, so there may be an option to switch between the integrated Nvidia GPU and the integrated GPU

Quote from jd254 View Post :
3. is performance from a SB's GPU better than an intergrated GPU on a mobo or is this a power saving design?
It's probably a combination of power saving design and incremental upgrade of integrated GPU.

Quote from prozac4312 View Post :

Quote from jd254 View Post :
4. link to gaming performance from an SB's gpu if you have the time? I'll just google myself later after I finish reading some articles on OC'ing the SB and Thubans
I would not recommend gaming with a Sandy Bridge's integrated graphics. It's made for basic tasks--movies, basic browsing, etc.--not gaming.
You can play many games at low performance settings and low resolution. The visuals won't match that of a regular graphics card, but they can be playable.
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Quote from teetee1 View Post :
Yes. Not all CPUs with socket LGA1156 type has GPU built-in. So most of the SB motherboards still have integrated vga chips. The design seems to disable the on-board vga chip when the motherboard senses a SB CPU (the one with GPU on CPU) is used.

Ref.
context of
http://en.wikipedia.org/wiki/Sock...processors
that's what I thought... but how do we know!? lol (paranoid side of me)
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Quote from jd254 View Post :
that's what I thought... but how do we know!? lol (paranoid side of me)
How do we know what?
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Quote from Mixels View Post :
How do we know what?
how do we know the GPU inside the SB is not just sitting around sipping a mai tai while the onboard GPU is doing all the work?
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Quote from jd254 View Post :
how do we know the GPU inside the SB is not just sitting around sipping a mai tai while the onboard GPU is doing all the work?
FFS dude...really?

You're using one or the other, not a combination of both. If you're so concerned that it won't do its job, get a board that doesn't support use of the Sandy Bridge integrated video feature, or if you want to make sure it's doing what it's supposed to be, just get a board with no onboard video at all.
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Quote from jd254 View Post :
how do we know the GPU inside the SB is not just sitting around sipping a mai tai while the onboard GPU is doing all the work?
You select which GPU is doing the work in the BIOS.

That being said, all Intel chipset boards that have on-board video (which accounts for 99% of all Sandy Bridge motherboards) are using the GPU in the processor only. They have no other hardware GPU on the board. You're either using the CPU as the GPU, or you have a video card.
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Quote from jd254 View Post :
how do we know the GPU inside the SB is not just sitting around sipping a mai tai while the onboard GPU is doing all the work?
Lol, this question made me laugh.
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You can also check out the AMD Llano boards, which do the same thing.
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