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Help me decide on 660ti or HD 7870 - Page 2

post #11 of 35
7/23/12 at 3:43am
Thread Starter 
I'm pretty sure my CPU is bottlenecking me when it comes to streaming 1080p and not my video card (I've been told the video card does barely anything when it comes to streaming). I could be wrong, though. How hard is it to overclock GPUs? I pretty much just got into overclocking when I got my i5-3570k. So if it's fairly simple, I have no problem getting a 7850 and OCing it to 7870 frequencies.
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post #12 of 35
7/23/12 at 3:47am
GPUs are simpler than CPUs, you just look at an overclocked model that a company sells and clock it to that. If it runs fine after testing (furmark after a couple of minutes, no artifacts) then it will be stable, important to monitor temperatures too. Then you keep bumping up the clock until the card gets a little too hot, starts artifacting, or you are satisfied with where it is.

It's a really basic way to go about it, but it isn't that hard, and use MSI Afterburner to do it (doesn't require an MSI card).

I used to overclock cards on air in 2007-08 for competitions and usually squeezed quite the performance out of them, so I know a little bit on the topic. thumb.gif
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post #13 of 35
7/23/12 at 3:54am
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So I should use a program to OC the graphics card rather than doing it through the BIOS, or am I misunderstanding what MSI Afterburner is? Also, are all GPU's OCable, or are there versions that are unlocked and allow you to do so (like the intel "k" series)?
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post #14 of 35
7/23/12 at 7:47am
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Quote:
Originally Posted by YattaRX8 View Post

So I should use a program to OC the graphics card rather than doing it through the BIOS, or am I misunderstanding what MSI Afterburner is? Also, are all GPU's OCable, or are there versions that are unlocked and allow you to do so (like the intel "k" series)?

gpu overclocking is done through msi afterburner
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post #15 of 35
7/23/12 at 7:49am
Quote:
Originally Posted by YattaRX8 View Post

I prefer to play at 1920x1080, but in my experience thus far, my i5-3570k @ 4.4ghz doesn't like streaming 1080p so much (my internet bandwidth is far more than enough), so I'm kind of forced into 1280x720.

If your Internet bandwidth is high enough there is no reason you can't stream 1080p with an i5 3570k... I've streamed 1080p with an i7 920@3.8ghz and I know a lot of other people that do the same.

What are you using to stream with? And what is your internet bandwidth?
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post #16 of 35
7/23/12 at 2:49pm
Thread Starter 
When I'm streaming 1080p my games start getting skippy. Wouldn't a weaker i7 be superior (for live streaming) due to hyperthreading?

Here's my speedtest: http://www.speedtest.net/result/2069759970.png

Way more than enough.

Using xsplit with the premium license.

To go a little bit further
Specs:
MOBO: ASRock Z77 Extreme4
CPU: i5-3570k @ 4.4GHz
RAM: 8GB DDR3 1600
GFX: HD 4870
OS: Win 7 64bit
Edited by YattaRX8 - 7/23/12 at 2:56pm
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post #17 of 35
7/23/12 at 6:48pm
Quote:
Originally Posted by YattaRX8 View Post

When I'm streaming 1080p my games start getting skippy. Wouldn't a weaker i7 be superior (for live streaming) due to hyperthreading?
Here's my speedtest: http://www.speedtest.net/result/2069759970.png
Way more than enough.
Using xsplit with the premium license.
To go a little bit further
Specs:
MOBO: ASRock Z77 Extreme4
CPU: i5-3570k @ 4.4GHz
RAM: 8GB DDR3 1600
GFX: HD 4870
OS: Win 7 64bit

I will tell you from personal experience, that Xsplit is a resource hog, and no matter how powerful of a CPU you have you will get some lag from using it. More than likely the reason why you are lagging is if you are trying to stream at 1080p with 60 fps, even 30 fps, the computer can't handle rendering that many frames on that high of a resolution. The other reason you may be running into trouble is because of Xsplit's "Preset" in the Streaming options. I don't know if you know what I'm talking about, but basically the "preset" is this setting in Xsplit that tells the program how quickly to render the frames being streamed. I found that if I went any slower than the "faster" setting, the computer would slow down, and my stream would lag.

So in short, I would tweak the settings of Xsplit before worrying about if you computer isn't powerful enough, because it is.

Edit: I just noticed you had an HD 4870, and that is most likely the culprit. However, I bet you if you streamed at 720p, (which you can do while still playing the game at 1080p) you will notice a big difference. I also would recommend keeping you stream's fps at no more than 30.
Edited by HydrogenHuman - 7/23/12 at 6:50pm
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post #18 of 35
7/23/12 at 6:54pm
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Your streaming problem is probably because your HDD can't keep up with the stream. The 720p image is much smaller so it can keep up in that situation.
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post #19 of 35
7/23/12 at 6:57pm
Quote:
Originally Posted by Snowmen View Post

Your streaming problem is probably because your HDD can't keep up with the stream. The 720p image is much smaller so it can keep up in that situation.

Streaming has very little to do with utilizing the hard drive, primarily because it is just uploading the frames online. If he was recording footage onto his computer at the same time, then yes it would be a big factor.
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post #20 of 35
7/23/12 at 8:54pm
Thread Starter 
Quote:
Originally Posted by HydrogenHuman View Post

I will tell you from personal experience, that Xsplit is a resource hog, and no matter how powerful of a CPU you have you will get some lag from using it. More than likely the reason why you are lagging is if you are trying to stream at 1080p with 60 fps, even 30 fps, the computer can't handle rendering that many frames on that high of a resolution. The other reason you may be running into trouble is because of Xsplit's "Preset" in the Streaming options. I don't know if you know what I'm talking about, but basically the "preset" is this setting in Xsplit that tells the program how quickly to render the frames being streamed. I found that if I went any slower than the "faster" setting, the computer would slow down, and my stream would lag.
So in short, I would tweak the settings of Xsplit before worrying about if you computer isn't powerful enough, because it is.
Edit: I just noticed you had an HD 4870, and that is most likely the culprit. However, I bet you if you streamed at 720p, (which you can do while still playing the game at 1080p) you will notice a big difference. I also would recommend keeping you stream's fps at no more than 30.

These are my current xsplit settings: http://i177.photobucket.com/albums/w208/Yatta7/Randoms/xsplitsettings.jpg @ 30fps

My VBV buffer is as low as it is because I'm blindly following what is said here: http://www.gamereplays.org/community/Tips_and_tricks_on_optimising_your_XSplit_broadcast-t773948.html
Which references http://mewiki.project357.com/wiki/X264_Encoding_Suggestions#VBV_Encoding

I don't understand a damn word of what's said there, so if it's bull ****, I'll raise my VBV buffer back up.

Of course, I increase the bitrate when I try 1080p. Currently I'm streaming at 720p while playing the game at 1080p as the game I'm currently playing most sees little difference between playing at 720p and 1080p. But if I switch to CS:S (hopefully Global Offensive won't have the same issue) the text becomes completely unreadable on the stream.

As for the graphics card, I've been told that, since the stream itself does very little with the graphics card, if I can run the game smoothly with my GPU, then I should be able to live stream smoothly with it as well. And all of the games I currently play I can run at max settings (AA and AF included) with a minimum of 60fps. The most graphically intensive game I've played recently is only Portal2, though.
Quote:
Streaming has very little to do with utilizing the hard drive, primarily because it is just uploading the frames online. If he was recording footage onto his computer at the same time, then yes it would be a big factor.

Even if it did, my xsplit is installed on my SSD tongue.gif
Edited by YattaRX8 - 7/23/12 at 9:00pm
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