System RAM for iGPUs

[kevin_07]

Hello,does integrated graphics use system RAM (DDR3) in place of VRAM (GDDR5) on a discrete card?

 

[rolli59]

It shares the system ram through the circuitry on the motherboard!

 

[kevin_07]

Does this mean that if I have 8 GB of Ram that it will act like a 3GB+ VRAM graphics card?

 

[rolli59]

There is usually a limit on the motherboard (in BIOS) how much of the system memory you can share with the IGP. I would be surprised if more than 1GB.

 

[dodger46]

Amount of RAM used by onboard GPU is usually set in the BIOS, and wouldn't be 5 gig...

 

[kevin_07]

It shares the system ram through the circuitry on the motherboard!

thanks for the response I'll be using one of those new UEFI bios things but I haven't assembled it yet so I don't know what the BIOS will allow for iGPU. CPU arrives WED. then all the pieces will be in except the graphics card . The build is this wkend I guess Here's the parts list:
-Cooler Master HAF 932 Adv. Full Tower
-Thermaltake 750w PSU
-ASUS P8Z68-VLX motherboard
-Intel i5-3570K (unlocked)
-Zalman 135mm CPU cooler
-Kingston 2x4GB 1866MHz DDR3 RAM
-OCZ Agility 120GB SATA-3.0 (6Gb/s) SSD
-WD 1Tb Caviar Black 7200RPM, 64Mb SATA 3.0(6GB/s) HDD
-EVGA GTX-550 Ti Superclocked 1Gb GDDR
-LG Super Multi 12x Blu-ray writer
-Sony Optiarc DVD writer
-HP ext. DVD/CD Lightscribe writer
-IOmega ext. 1TB HDD eSATA(3Gb/s)
If you've played with this type platform would you know what the max RAM is that I can dedicate to the on-chip GPU?

 

[DJDeCiBeL]

I have the P8Z68-V LE (one step above the LX) and the max the iGPU can share is 128 MB.

 

[kevin_07]

Best answer selected by kevin_07.

 

[unksol]

There's also no reason you'd want to give it much more. Intel GPUs are extremely low end. They can push graphics that would need much.memory. if you want to.do anything useful besides wordprocessing/internet/YouTube. or ANY gaming. you need a dedicated GPU with that system

 

[kevin_07]

Thanks I guess I better keep saving up for a graphics card