two questions in 1. 1gb frame buffer and cpu idle temps

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andyhan95
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Joined: 02/08/2012
Posts: 14

i know this is confusing but i have two questions. one about gpus and one about cpus.

i currently have an i3-550 with a cooler master hyper 212 plus.
a few days ago, idle temps were about 25C with the fan at 600rpm
the fans are now at 900rpm and my ide is around 40C. whats wrong?
it cant be things like thermal grease cuz the cooler is less than a year old and it was over a short period that it changed

second question. is a 1gb frame buffer enough for 1920x1080 gameplay? how about with high res textures likein crysis 2?
im thinking of the 7850 cuz i know a 1gb cheaper version is gnna come out soon.
thanks!

Andy Han

eire1274
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Joined: 09/12/2003
Posts: 1188

Okay, breaking it down:

andyhan95 wrote: i currently have an i3-550 with a cooler master hyper 212 plus.
a few days ago, idle temps were about 25C with the fan at 600rpm
the fans are now at 900rpm and my ide is around 40C. whats wrong?
it cant be things like thermal grease cuz the cooler is less than a year old and it was over a short period that it changed

A lot of things can have changed to cause this. A sudden dust buildup within the heatsink, fan failure or misreporting temperatures, or something in the background causing the processor to work a little bit harder (say moving from 2% at idle to 5%). It likely won't be the thermal compound (grease) failing, as this tends to be a very long process.

andyhan95 wrote: second question. is a 1gb frame buffer enough for 1920x1080 gameplay? how about with high res textures likein crysis 2?
im thinking of the 7850 cuz i know a 1gb cheaper version is gnna come out soon.
thanks!

I think we have confusion of terms here. "Frame buffer" or "framebuffer" refers to a memory window for moving large chunks of data from one spot to another. Most PCI-e systems auto calibrate this on board.

What you are looking at is video memory (not to be confused with VRAM, which is a type of dynamic access memory design). 1Gb is sufficient for MOST games to be played at high resolution without seeing poor texturing or performance, and the 2Gb or larger is just now starting to become a need with cutting edge games and multi-layering of textures within Dx11. I played Crysis/Crysis 2 demos on a 1Gb HD 4670 and never had an issue... but I wasn't playing at the top quality, either.

For the time being, just about EVERYTHING will work on modern GPUs with 256Mb of memory, 512Gb at the most extreme, but there WILL come a time where more memory will be needed to get that perfectly clean image in your gameplay.

Would I buy a 1Gb HD 7850? Probably wouldn't bother me a bit. It will still knock the socks off of an XBox 360, which by the way I just finished Crysis 2 on, and it looked awesome despite the limited hardware on the Xbox.

Nick McDermott