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gt640 2gb... with 2gb ram

Tags:
  • DDR3
  • RAM
  • Graphics
Last response: in Graphics & Displays
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August 12, 2013 7:23:39 AM

can i install gt640 2gb ddr3 with 2gb ddr3 ram or not..

i have dual core 2.5ghz cpu,gigabyte g41m-combo mb..

if i install 2gb gt640 with 2gb ram it is good or it degrades my system performance..

More about : gt640 2gb 2gb ram

August 12, 2013 7:25:32 AM

I don't understand your question. More info please and full system specs.
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August 12, 2013 7:25:37 AM

what is your motherboard card ram has nothing to do with the other ram on pc
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August 12, 2013 7:28:53 AM

now i updated my question... answer now
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Best solution

August 12, 2013 7:34:35 AM

I would answer no, but I'm still not sure about the sense of your question....

Usually installing a better video card increases performance, it doesn't "degrade" it as you said. Unless maybe your question was: "does a system with only 2GB of RAM will bottleneck a GT-640"? I don't think so, but it's always a good idea to have more RAM. Having 4 GB in total would be a good move too.

Or maybe you're also confusing video card RAM with system RAM. These are two different things.
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August 12, 2013 7:37:22 AM

MC_K7 said:
I would answer no, but I'm still not sure about the sense of your question....

Usually installing a better video card increases performance, it doesn't "degrade" it as you said. Unless maybe your question was: "does a system with only 2GB of RAM will bottleneck a GT-640"? I don't think so, but it's always a good idea to have more RAM. Having 4 GB in total would be a good move too.


i hear about that..for installing 2gb gpu we require more ram than 2 gb.. so should i go for 1gb gt640
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August 12, 2013 7:38:20 AM

Your question is a bit weird.
Graphicscard memory and RAM have nothing to do with eachother.

But yes, you can have 2GB of memory in your graphicscard and 2GB RAM.
Though, 2GB ram will be a bottleneck nowadays.
Windows 7 64-bit recommends 3GB ram if I recall correctly
So I would use 4GB of DDR3 ram.
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August 12, 2013 7:41:46 AM

rothingham said:
Your question is a bit weird.
Graphicscard memory and RAM have nothing to do with eachother.

But yes, you can have 2GB of memory in your graphicscard and 2GB RAM.
Though, 2GB ram will be a bottleneck nowadays.
Windows 7 64-bit recommends 3GB ram if I recall correctly
So I would use 4GB of DDR3 ram.

Sorry for my question i was unable to describe my query properly.. all i want to know that there is no problem with installing 2gb gpu mem with 2gb ram..
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August 12, 2013 7:47:22 AM

A 640 is already bad enough don't get one with GDDR3, the 1GB versions are GDDR5, if you must get a 640 get that.
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August 12, 2013 7:49:44 AM

cookybiscuit said:
A 640 is already bad enough don't get one with GDDR3, the 1GB versions are GDDR5, if you must get a 640 get that.


gt640 ddr3 fits in my budget and i want to play games in medium settings not ultra settings...
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August 12, 2013 7:54:09 AM

System RAM and video card RAM are two different things that have little to no tie with each other.

Of course, not having enough RAM on either of them might not give optimal performance, this is why I was suggesting you upgrade system RAM to 4GB if you can. But the video card would still work even if you had only 512MB of system RAM.
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August 12, 2013 7:56:13 AM

MC_K7 said:
System RAM and video card RAM are two different things that have little to no tie with each other.

Of course, not having enough RAM on either of them might not give optimal performance, this is why I was suggesting you upgrade system RAM to 4GB if you can. But the video card would still work even if you had only 512MB of system RAM.

yeah i know sys and gpu mem are diff..... and you are right i have to first upgrade my ram.. thanks..

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August 12, 2013 8:32:17 AM

7750 ddr5 is better then gt640
almost same price
7750 will be best match with your cpu
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August 12, 2013 8:34:37 AM

GT 640 is not a gamer card, so depending on your resolution you might not even be able to play on medium settings. The "GT" series is for office work. Get something in the "GTX" series to play games. And always get a video card with DDR5 it's twice as fast as DDR3.

But note that your CPU is a little weak and only 2 GB of RAM in the system might also bottleneck certain games. Maybe if you tell us what games you'll be playing and what resolution you'll be using, then we'll be able to tell you if you'll be ok or not.

But I agree with pell380, if your budget is really tight, get the Radeon 7750 1GB DDR5 version, it's your best bet. I you don't use super high resolution you don't need a video card with 2GB. Or if you have the choice, it's better to have 1 GB of DDR5 compared to 2GB of DDR3.
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August 12, 2013 10:09:17 AM

Presler said:
1gb ddr5 and 2gb ddr3 are exactly the same. The double speed of ddr5 ram is compensated by double amounts of memory.

Thats not at all how it works, thats like saying a 1TB hard drive is just as fast as a 500GB SSD.
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August 12, 2013 12:00:57 PM

cookybiscuit said:
Presler said:
1gb ddr5 and 2gb ddr3 are exactly the same. The double speed of ddr5 ram is compensated by double amounts of memory.

Thats not at all how it works, thats like saying a 1TB hard drive is just as fast as a 500GB SSD.


LMAO! Exactly! Or it's like people saying a dual-core CPU at 1.5Ghz is the equivalent to a single core at 3Ghz. I wish things were that simple sometimes, lol!

But yeah, 1 GB of DDR5 memory is definitely NOT equal to 2 GB of DDR3. The general consensus among gamers and enthusiasts is always go for DDR5 memory on a video card even if the quantity is smaller. There are countless threads about that on the web and the conclusion is always the same.
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August 13, 2013 9:53:09 AM

Presler said:

The theorey goes like this, the ram is like a breadth of a road, and ddr3 and ddr5 are speed limits. Now on a 2 times wider road, twice the traffic can move at ddr3 speed compared to half the traffic moving at ddr5 speed. So if the gpu drivers make use of this advantage of more memory, then both may work equally or neglegibly different.


I'll take for granted you're just playing with us. Because what you're saying is total bullsh**t. I really wish things were as simple as your little analogy... but real life isn't like that and video cards are more complex than high way traffic.

Just do a Google search, there are tons of professional articles, benchmarks, and forum discussions about it. And the consensus is always to go with DDR5.

The only situation where 2GB DDR3 would potentially win, is if you really use all the memory, but that's very rarely the case. The truth is that 1GB is enough for resolutions like 1920x1080 and 1920x1200. If you're going to play with ultra high resolutions or multi-monitor setups, then you need 2GB or more. Since he's looking at entry-level cards, I highly doubt he will play games on 3 monitors or use a super high-end 30" IPS monitor. People having these kind of setups will buy high-end cards anyways. The other problem with entry-level cards is that no matter how much memory you put on them the GPU will be too weak to drive games with such high resolutions anyways, so what's the point of putting more memory on them? For the same card, 1GB DDR5 will give him a 30% to 40% performance increase compared to 2GB of DDR3. And as I said, the extra memory provided on the DDR3 card is never really used because people buying these cards use low resolutions.
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August 14, 2013 6:41:20 AM

Presler said:
You seem to be smarter then the companies still manufacturing 2gb ddr3, knowing that 1gb of it will never be used. The simple rule of thumb is more ram and faster ram, both increases the performance of your pc.


You're talking about RAM for the motherboard, for video cards it's very different. You don't seem to understand how CPU+chipset+memory interact together. As I said just do some Google search and try to find an article to prove me wrong. I never ever seen anyone coming to the conclusion that 2GB of DDR3 is better than 1GB of DDR5 for an entry-level video card. All benchmarks show that one with 1GB DDR5 is 30% to 40% faster than the one with 2GB DDR3. It's the general consensus among gamers. You're the first person I've heard saying that 1GB of DDR5 is the same thing as 2GB of DDR3. So please stop with your misinformation.
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August 14, 2013 6:52:02 AM

All right, looks like we've got a troll here. You got me well. You win.
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!