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AMD 7870(x2) BF4 Issues

Flatout42
By Flatout42
in Graphics Cards
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I just got a second AMD 7870 on black friday to add to the one i had. So i now have 2 AMD 7870s in Crossfire. My CPU is the AMD Phenom II X4 955 BE (OC to 3.6, stock 3.2). Mobo is the ASUS M4A79XTD EVO (Crossfire certified). I tried all the different AMD drivers starting from 13.9 to 13.11 betas. In Battlefield 4 both my GPUs only use 30% of usage and my game runs at 30-40fps (graphics rating from low to ultra doesnt change anything). Is this a BF4, AMD Driver, or bottleneck problem? I tested my video cards on other games like Counter Strike: Global Offensive, Natural Selection 2, and League of Legends. I had huge increases of performance on those games and my GPUs were running at 99% usage. So what is going on?

CPU: AMD FX-8350 CPU Cooler: Corsair H100i RAM: G.Skill Ripjaws 8GB 1866Mhz GPU: Nvidia EVGA GTX 780 3GB MOBO: ASUS Crosshair V Formula-Z

Storage: Samsung EVO 250gb, Kingston HyperX 3K 120gb, WD 1TB Black Series PSU: EVGA NEX650G Case: NZXT H440 Black/Red Sound: Creative Sound Blaster ZxR

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Just wait a few weeks for Mantle... And understand why people recommend a single gpu over multiple, still dual 7870s are pretty awesome.

 

I can imagine a CPU bottleneck (as the CPU usage in crazy on other CPUs), but Mantle will fix that too.

Intel i5 6600k~Asus Maximus VIII Hero~G.Skill Ripjaws 4 Series 8GB DDR4-3200 CL-16~Sapphire Radeon R9 Fury Tri-X~Phanteks Enthoo Pro M~Sandisk Extreme Pro 480GB~SeaSonic Snow Silent 750~BenQ XL2730Z QHD 144Hz FreeSync~Cooler Master Seidon 240M~Varmilo VA87M (Cherry MX Brown)~Corsair Vengeance M95~Oppo PM-3~Windows 10 Pro~http://pcpartpicker.com/p/ynmBnQ

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I'd say it's a BN, especially in BF4.

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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