I'm tearing my hair out lately. I've just built a new rig, have two EVGA GTX 770s "superclocked" ie 1110hz, and I'm looking at my FPS in Battlefield 3 and I'm getting the same FPS as a SINGLE 670/680 at 1920x1080.
What the hell?
Asus Sabertooth Z77
Intel i7-3770k 3.5ghz (OC'd to 4.5ghz - confirmed using CPU-Z)
Corsair H100i Liquid Radiator for the CPU, now with stock fans instead of SP120s.
2 x EVGA GTX 770 2gb @ 1100hz "superclocked" (ie they come overclocked).
8gb Corsair Vengeance @ 1600hz (initially 1333hz but forced manually to 1600hz in the CPU OC process).
Samsung 840 Pro 256gb SSD.
Asus Xonar Phoebus Sound Car
Corsair HX850 Modular PSU (850w).
Corsair Obsidian 650d Case. Still need a 3rd party 200mm fan for the front of the case.
Windows 7 64-bit OEM.
In NVCP, SLI is confirmed on (tested the "Show SLI Visual Indicator" and it shows its' working in games, so SLI definitely works).
These are my NVCP settings:
I watch videos like this for BF3: http://www.youtube.com/watch?v=gRlqILblcYs
Link might not work, but if you search youtube for "[2x GTX 680 SLI] Battlefield 3 B2K (Gulf of Oman)" you'll get the video I've watched.
And I freak out. He's running 2 SLOWER cards (680s), and an i5 for god sake. And he's getting higher min FPS figures than me. He's seeing lows of the 80s, 70s etc. Same map for me, I'm seeing lows of about 54 in the same areas.
I measure my fps using the in-game render.drawfps 1 command. Should I use FRAPS? Doesn't that reduce FPS?
I read a guy in the BF forums saying he's running max out with a single GTX 770 and on 64 man servers, he never dips below 80fps with a 3770k @4.5ghz. How are my 2 GTX 770s running SLOWER?
I just don't understand what is going on.
I've OC'd the CPU, which makes a pretty big difference in max FPS, but I'm still getting low dips into the low 50s.
Here are my Heaven 4.0 results:
For some reason it's saying 3.5ghz, when CPU-Z and Real Temp show 4.5ghz. Weird.
Proof from testing Borderlands 2 that it runs at 4.5ghz:
Heaven 4.0 GPU Usage:
I forgot to screenshot straight away, so it's cut off a bit. Either way, should those spikes be happening???
Hyperthreading is on in the bios. I flashed the bios the day I built the PC, so I'm running the 2003 version drivers (latest).