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Windows 7: Can ATI 4670 run on a 300w Power Supply?

08 Aug 2010   #11
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Also check the latencies.


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08 Aug 2010   #12
saroy94

Windows 7 Ultimate x32
 
 

Quote   Quote: Originally Posted by whs View Post
Also check the latencies.
which are?
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08 Aug 2010   #13
bobkn

Windows 7 Pro X64 SP1
 
 

Quote   Quote: Originally Posted by saroy94 View Post
Quote   Quote: Originally Posted by whs View Post
Also check the latencies.
which are?
They are also known as the "timings". Here's a moderately opaque discussion:

SDRAM latency - Wikipedia, the free encyclopedia

In principle, you can mix RAM. I've had trouble with that on notebooks, though. On a desktop PC, you may be able to set the memory timings manually, in the BIOS setup. That can avoid the problems that can occur when relying on the SPD detection.
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08 Aug 2010   #14
saroy94

Windows 7 Ultimate x32
 
 

hmm.. are there any guides on how to do this?
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08 Aug 2010   #15
Darician

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by saroy94 View Post
Yeah I know that it can slow it down. According to my friend, who thinks he is a 'Genius' at computing, he said that if I want to get another RAM stick, it must be same make, serial number, model number and specs. I don't really believe him because he's so full of himself. I know the specs (DDR2-667 & PC2-5300) must be the same, but other than that is he right?
They don't technically have to be the same. When it comes to speed, it's recommended that you get the same speed because if you a memory stick with a different speed, it will always run at whatever the slowest stick of memory's speed is.

For example, if you have DDR2 667 and you buy a stick of DDR2 800, then that will only work at 667 speed as your original stick is slowing the new stick down. If you have DDR2 667 and buy a DDR2 533 stick, then the DDR2 667 stick you had originally will run at 533 speed due to the new slower stick of RAM.

But no, although it is recommended they be the same for consistency's sake, it doesn't have to be. As long as it meets the specifications supported by your motherboard, you should be OK. As far as CAS Latency, I hear that term from my colleagues all the time. To be perfectly honest, I've bought memory modules with higher and lower CAS Latencies and I haven't really noticed a huge difference but the general rule is the lower the CAS Latency, the better.

As far as the 4670 goes, you'd probably be able to run it just fine as it doesn't consume all that much power. The 4650 has the same 400W requirement and I've run it on far lower without issues for months.
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08 Aug 2010   #16
saroy94

Windows 7 Ultimate x32
 
 

Ok thanks for the info. I don't know a thing about CAS latency :L I'll just buy another DDR2-667 & then put it in, see if it makes a difference. If it don't i'll just refer back to this thread
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09 Aug 2010   #17
saroy94

Windows 7 Ultimate x32
 
 

Not gettn a 4670 now, going to get a 4870 :L
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10 Aug 2010   #18
MiMA

MS Windows 7 Ultimate 64-bit
 
 

I have tried my HD 4870 (wich requires 500W PSU) on my friends computer wich has 400W PSU and it ran everything well. I have been playing MW 2 on very high settings and the computer didn't shut down or anything. He is using HD 5770 (wich requires 450W PSU) for half a year now and he didn't have any problems so far.
My System SpecsSystem Spec
10 Aug 2010   #19
saroy94

Windows 7 Ultimate x32
 
 

Oh well, i'm going to get a 600W power supply/ Hopefully it will last long xD
My System SpecsSystem Spec
10 Aug 2010   #20
MiMA

MS Windows 7 Ultimate 64-bit
 
 

Well, nothing to be scared then.
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Reply

 Can ATI 4670 run on a 300w Power Supply?




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