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SLI GTX 670 FPS on BF3 - Page 8

post #71 of 73
Old thread i know, but a lot of the posts made me scratch my head.

I've had an i5 2500k at 5GHz stable, 4.8 4.6 all stable. I switched to an i7 3770k about 4 months back and have it oc'd to 4.6Ghz

The only reason i switched from an i5 2500k to an i7 3770k was because i stream gameplay on BF3. More threads = less lag when streaming/rendering on same computer. 4 cores 4 threads vs 4 cores 8 threads.

The fps difference was marginal at best. It wasn't anything OMG wowing, I'm going to have to agree that the 200Mhz overclock on your 3770k vs your old processor which was only 4.4 is where you're seeing most of the difference.

I'm running 2 EVGA GTX 670 2GB latest bios at stock clocks, the minimum i will ever see them dip FPS wise is maybe 77 and that's if multiple things are blowing up (grenades total chaos, stuff like a metro 64 man server). For the most part (Metro for example) i stay in the 150+ fps range in the subway section.

In short...

If you have a 2500k overclocked past 4.5GHz you're not gonna see any bottleneck. Again the only reason i even upgraded from my 2500k @ 5GHz, was because i wanted more threads for streaming/rendering


Also in order to see a visible fps difference overclocking your videocards, you have to put more than 50Mhz on each core. You should match them to the GTX 680 speeds on core and memory and only then will you see any kind of difference, marginal at best.. I've had both my GTX 670's locked to 1202Mhz on each core and 3105 Memory on each card for a combined 6210, I locked it with EVGA K-boost, and i saw a pretty big difference in minimum FPS at least 10-12.

I don't suggest using K-boost unless the room you game in can stay at a very decent ambient temp. Having 2 670's at a locked voltage emits quite a bit of heat over time.

Also the game is horribly optimized for some of the maps. With Frostbite 2.0 they really didn't do any major patches to fix anything render related. When Back to Karkand came out thats when Frostbite 2.0 really got incorporated. Maps like Gulf of Oman and Strike at Karkand are horrific as the map goes.

You can compare heavy frostbite 2.0 engine maps to the vanilla maps that BF3 came with and its night and day in terms of performance and FPS. The engine was never properly optimized, considering the beta didn't use it at all they had no way to tell if it was ready. So don't think its you're computer unless something seriously wrong is happening. A good 60% of the time its the game that's the problem.
Edited by EnthusiastG4m3r - 6/11/13 at 3:11pm
     
CPUMotherboardGraphicsGraphics
Intel i7-3770k @ 4.8GHz • 1.523v • Delidded • Asus Sabertooth Z77 LGA 1155 ATX EVGA GTX 670 2GB • OC • 1202MHz / 3204MHz • 1.1... EVGA GTX 670 2GB • OC • 1202MHz / 3204MHz • 1.2... 
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16GB Corsair Dominator DDR3-1333MHz • 9-9-9-24-... 120GB Mushkin Chronos SSD • 525 / 550 • Sata-III • 60GB Mushkin Chronos SSD • 500 / 550 • Sata-III • 320GB Western Digital • Sata-II • 16MB Cache • ... 
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80GB Seagate Barracuda • Sata-II • 8MB Cache • ... Asus DVD-RW 48x Black Swiftech H220 + CLU Windows 7 Home Premium 64bit SP1 
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Acer V233H Black 23" 5ms Widescreen LCD Monitor Razer Lycosa Standard Wired Gaming Keyboard Corsair Professional Series HX1050 80+ Silver M... Corsair CC800DW Obsidian 800D Black Aluminum Fu... 
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CPUMotherboardGraphicsGraphics
Intel i7-3770k @ 4.8GHz • 1.523v • Delidded • Asus Sabertooth Z77 LGA 1155 ATX EVGA GTX 670 2GB • OC • 1202MHz / 3204MHz • 1.1... EVGA GTX 670 2GB • OC • 1202MHz / 3204MHz • 1.2... 
RAMHard DriveHard DriveHard Drive
16GB Corsair Dominator DDR3-1333MHz • 9-9-9-24-... 120GB Mushkin Chronos SSD • 525 / 550 • Sata-III • 60GB Mushkin Chronos SSD • 500 / 550 • Sata-III • 320GB Western Digital • Sata-II • 16MB Cache • ... 
Hard DriveOptical DriveCoolingOS
80GB Seagate Barracuda • Sata-II • 8MB Cache • ... Asus DVD-RW 48x Black Swiftech H220 + CLU Windows 7 Home Premium 64bit SP1 
MonitorKeyboardPowerCase
Acer V233H Black 23" 5ms Widescreen LCD Monitor Razer Lycosa Standard Wired Gaming Keyboard Corsair Professional Series HX1050 80+ Silver M... Corsair CC800DW Obsidian 800D Black Aluminum Fu... 
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post #72 of 73
Quote:
Originally Posted by EnthusiastG4m3r View Post


If you have a 2500k overclocked past 4.5GHz you're not gonna see any bottleneck. Again the only reason i even upgraded from my 2500k @ 5GHz, was because i wanted more threads for streaming/rendering

nope

I also have 2x GTX 670 with an i5 2500k @ 4,8ghz and it just depends on the maps.

in Battlefield 3 in normal maps (64 server) I have about 70-80% GPU usage (already slightly bottlenecked)

but if you are going to a Karkand map (Gulf of Oman for example), those are VERY CPU intense. Again only Karkand maps are really CPU intense, every other bf3 map isn't as cpu demanding as Karkand Maps. Specifically if you want to proof me different test Gulf of Oman. No other map. Caspian Border is a joke, it uses way less cpu power than Gulf of Oman.

Here is the Msi Afterburner graph:

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post #73 of 73
I have a 2700k overclocked to 4.7 and a 670SLI setup. Cores run at 1202Mhz, mem stock. Should I be seeing a bottleneck? Can I go to 3 way SLI with this rig without bottle-necking?
     
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