Will a GTX770 2Gb being bottlenecked if I keep using my Intel processor with Sandy Bridge?

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tripmo

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Mar 6, 2014
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Hello everyone,

I have a question.
I am considering in upgrading my graphic's card of my system.
My current system is kinda old tho.

Intel I7 920 (Sandy bridge)
12Gb RAM DDR3 1333Mhz
2x ATI 5770 in crossifre
Windows 7 64Bitz

I am wondering if I would purchase a GTX770 will by processor will be bottlenecking the graphics card?

I am running the Intel 920 on stock.
I read you can easily overclock the 920 to 4Ghz, but I cannot do this unless I purchase another CPU cooler.

1. Will my 920 bottleneck the GTX770?
2. If answer 1. is answered with yes, can I fix the bottleneck issue with overclocking my CPU?
3. If answer 2. is yes, which cooler should I purchase for it, and how I overclock my CPU (keep in mind my place I live in is a tropical environment so I need to have it cooled very good)
4. Would upgrading my memory from 1333Mhz to 1600Mhz give any big performance boost?

Thanks in advance
 
Solution
JackNaylorPE


Was this posted by anyone who actually has one ? or offered any documentation ?

As for the 770 not being comparable to the 680 ..... you might not be aware that the 770 is simply, in essence, a re-branded 680 with minor modifications. It uses the same GK104 silicon with the same exact core configuration of 1536 cores, same 128 TMUs, same 32 ROPs, and same 256-bit wide memory interface. The main differences are that it uses DDR5, uses a different reference-design PCB with a stronger VRM to, in effect, become a overclocked 680 ..... it also has the new GPU Boost 2.0 technology. As a result of these...
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You will definitely need to OC, and even then, it will still hold the card back.
I'm in a similar situation with a Q6600 OC'd from 2.4 -> 3.2Ghz, and thats holding back my 280x.
Ram won't help anything. The cheap option is heavily OC with a new cooler. A good option would be a closed loop liquid, something around a Corsair H100i.
Or, upgrade your CPU, mobo and ram.
 
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By the way ....the 920 is Bloomfield NOT Sandy Bridge

The 920 will do just fine....my son has one with a 680 and not bothering him as yet..... < 20% difference between SB and BF

Far Cry 2 w/ 920 = 68 fps
Far Cry 2 w/ 2600k = 80.4

Left For Dead w/ 920 = 120.0 fps
Left for Dead w/ 2600k = 145.4

Fallout 3 w/ 920 = 84 fps
Fallout 3 w/ 2600k = 96.9

Tho if the 880 drops as rumored in September, you could get a 780 at the price of a 770 today
 
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Sorry misread the internet of the sandy bridge. You are right about my proc is a bloomfield :)
The GTX680 is not comparable with a GTX770. If I recall I read somewhere that the 920 on stock will def. bottleneck a GTX770, unless you OC it too 4.0Ghz. That is the reason why I made this thread to get it clarified.
 
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Was this posted by anyone who actually has one ? or offered any documentation ?

As for the 770 not being comparable to the 680 ..... you might not be aware that the 770 is simply, in essence, a re-branded 680 with minor modifications. It uses the same GK104 silicon with the same exact core configuration of 1536 cores, same 128 TMUs, same 32 ROPs, and same 256-bit wide memory interface. The main differences are that it uses DDR5, uses a different reference-design PCB with a stronger VRM to, in effect, become a overclocked 680 ..... it also has the new GPU Boost 2.0 technology. As a result of these modifications, the 770 is a whopping 4% faster than the 680.

perfrel_1680.gif


Read the title to the 770 review here:

http://www.guru3d.com/articles-pages/geforce-gtx-770-review,1.html

GeForce GTX 770 - The GTX 680 in Disguise.

We take a closer look at NVIDIA's new GeForce GTX 770. The GeForce GTX 770 is a top of the line segmented graphics card. It uses a familiar GPU though, yes the very same GPU as the GTX 680 actually. ......

So then, it's time to talk business. The [GeForce GTX 680] GeForce GTX 770 being reviewed today is based on Kepler GPU architecture, which we all are familiar with by now. The GeForce GTX 770 is based on the 28nm GK104 GPU, the same as the GTX 680 uses......

The more important thing to focus on are the SM (block of shader processors) clusters (or SMX as NVIDIA likes to call it for the GTX 680/770, which has 192 Shader processors
Click to expand...





 
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Solution


It was posted as a reply to someone asking if the 920 stock would bottleneck the GTX770, they didn't provide any documentation etc, or said that they owned one themselves.

As you just showed me, I didn't know that GTX770 was so similar to the GTX680, and as shown in the chart it ain't much faster either.

So I guess I just go for the GTX770 using my 920, get a Coolermaster Hyper 212x on it, and see how it goes 😉
If I find any issues with bottlenecking it too much (I don't care about 15-20 fps difference), I can always upgrade motherboard and CPU, memory afterwards. As long as I can play the latest games on it with a steady 60fps I am happy.

Thanks for the advice. Any more feedback from people actually having a 920 with GTX770 and want to share their experience with it, feel free to reply.
 
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I live in Singapore, moved here because my wife is Singaporean.
I assume you are not living close by haha
 
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Just for a Coolermaster cooler that is priced here at S$69, no thank you.
The airticket alone I could by new cpu+motherboard+memory+ssd+hdd+psu+case+graphics card+screen+coolermaster cooler.

Well thanks for all the help anyways 😉
 
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