Upgrading Graphics card from HD4870 to HD4870x2, any bottlenecks? - HotUKDeals
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Upgrading Graphics card from HD4870 to HD4870x2, any bottlenecks?

tubby20076 Avatar
7y, 7m agoPosted 7 years, 7 months ago
My machine is a Inspiron 530:

E8400 3.0Ghz (not overclockable)
3GB Ram (4 slots, 2 512MB stock, 1 Crucial 1GB, 1 PNY 1GB all in dual channel mode)
Vista Premium 32-bit
WD 750GB Green Power (http://www.amazon.co.uk/exec/obidos/ASIN/B001P4A9JM/ref=ox_ya_oh_product the exact one)
Antec NeoPower 650W
X-Fi Creative Xtreme Gamer Card

Upgrading from a HD4870 512MB Gigabyte to a Sapphire HD4870X2 2GB
tubby20076 Avatar
7y, 7m agoPosted 7 years, 7 months ago
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#1
I believe the 32-bit Vista is going to make one of those sticks of 1GB ram redundant though...oh dear:?
#2
No ram should be fine. Even though not a fan of mixing chips. The other issue is heat. The 530 case is not the best design as you get a lot of heat build up in the bottom of the case with big GPU's. You may want to stick a fan on the base in the void near the hard disks and leave the spare back plates off to push out some heat out.
#3
What is it with people using the old "bottleneck" term today? I though that had died out years ago, back when people with brains started realising that there is no hard or fast rule about matching parts, despite what 16 year old geniuses on internet forums said. Whether your CPU will limit your GPU is easy to figure out - just run the game you want to try with once at 640*480, and again at your screen's native res. If the frame rate goes down significantly inbetween, it means that your GPU is limiting your CPU. If the frame rate remains pretty much the same at 640*480 as at, say, 1920*1080, it means that your CPU is limiting the GPU.

And 32bit Vista won't do anything to your 1GB stick. 2x1GB + 2x512MB = 3GB, which ought to appear and function fine within Vista. It's only when you're exceeding 3GB that Vista*86 will limit you.
#4
GAVINLEWISHUKD
No ram should be fine. Even though not a fan of mixing chips. The other issue is heat. The 530 case is not the best design as you get a lot of heat build up in the bottom of the case with big GPU's. You may want to stick a fan on the base in the void near the hard disks and leave the spare back plates off to push out some heat out.


I actually upgraded to an Antec Skeleton, very breezy now. 32C idle temp. But thank you for that, the original case is rather claustrophobic I know

dxx
And 32bit Vista won't do anything to your 1GB stick. 2x1GB + 2x512MB = 3GB, which ought to appear and function fine within Vista. It's only when you're exceeding 3GB that Vista*86 will limit you.


It's just the 3.5/4GB barrier applies to RAM+GPU RAM, so it'd be 5GB in total and so I'd lose the 1-1.5GB of RAM somewhere...just where though?

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