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UPDATE - PROBLEM SOLVED GENTLEMEN:
I have chosen the best answer which should explain what the problem was. Turns out that one stick or RAM just won't cut it for this CPU. This CPU cries out for the power of two sticks! I bought a set of Kingston HyperX Beast memory (2x4gb) at 1600MHz.
Single-channel seems to be the problem and not the speeds. I disabled dual-channel with the new sticks and performance dropped like a dodo. Performance gains were around a whopping 80% in Battlefield 4, this is where I found the most performance.
Summary - Single-Channel RAM just won't cut it. Dual-Channel is pretty much required, at least for my set-up. It boosted my FPS by up to 80% across the board. Thanks to everyone for the replies and thanks for the help!
P.S - Sorry for the late update - I guess i got so excited by the performance increase i was knocked into a nerd-coma.
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Full specifications:
Case : Corsair 400R Matte black
Mobo: Asus Sabertooth 990FX Rev 2.0
CPU: AMD FX-8350 at 4.2 GHz
GPU: GTX 780 Asus DCUII
RAM: 8GB 1333Mhz Transcend Information (doesn't run at 1333Mhz)
HDD: Seagate 1TB 7200RPM
SSD: Crucial M500 120GB - Running my W8.1 OS
PSU: Corsair CX750 80+ Bronze
Case Fans: 11
CPU temp (LOAD) 35-50 degrees Celsius
GPU temp (LOAD) 40-65 degrees Celsius
I listed the case and fans etc to show I have excellent airflow and temperatures throughout the case.
Battlefield 4, Far Cry3, Metro Last Light, pretty much any reasonably CPU intensive game is making my GTX 780 look like a laughing stock and I hate it, I've gone through several graphics cards in the last few weeks (GTX 760, GTX 770, GTX 760's in SLI and now GTX 780) and its still the same.
Battlefield 4 is getting around 48FPS down to 38FPS on maps like Flood Zone, Hainan Resort, all the large maps which require some beef on the CPU.
CPU usage: 80-100%
GPU usage: 50-70%
Clearly a bottleneck, do i have a faulty CPU? Should i move to i5-4670k? CAn anyone help find benchmarks for other FX-8350's in these games at similar clocks?
I cannot OC past 4.2GHz as system crashes are rampant at those speeds.
I have seen on these forums people so assuredly saying the FX-8350 will not bottleneck any single GPU solution and will even handle SLI/Xfire. This has no where near been the case for me. Testing a single 770, 760 and 780. All the SAME performance!! GTX 760 SLI was a disaster no point even going there performance wise.
UPDATE - PROBLEM SOLVED GENTLEMEN:
I have chosen the best answer which should explain what the problem was. Turns out that one stick or RAM just won't cut it for this CPU. This CPU cries out for the power of two sticks! I bought a set of Kingston HyperX Beast memory (2x4gb) at 1600MHz.
Single-channel seems to be the problem and not the speeds. I disabled dual-channel with the new sticks and performance dropped like a dodo. Performance gains were around a whopping 80% in Battlefield 4, this is where I found the most performance.
Summary - Single-Channel RAM just won't cut it. Dual-Channel is pretty much required, at least for my set-up. It boosted my FPS by up to 80% across the board. Thanks to everyone for the replies and thanks for the help!
P.S - Sorry for the late update - I guess i got so excited by the performance increase i was knocked into a nerd-coma.
---------------------------------------------------------
Full specifications:
Case : Corsair 400R Matte black
Mobo: Asus Sabertooth 990FX Rev 2.0
CPU: AMD FX-8350 at 4.2 GHz
GPU: GTX 780 Asus DCUII
RAM: 8GB 1333Mhz Transcend Information (doesn't run at 1333Mhz)
HDD: Seagate 1TB 7200RPM
SSD: Crucial M500 120GB - Running my W8.1 OS
PSU: Corsair CX750 80+ Bronze
Case Fans: 11
CPU temp (LOAD) 35-50 degrees Celsius
GPU temp (LOAD) 40-65 degrees Celsius
I listed the case and fans etc to show I have excellent airflow and temperatures throughout the case.
Battlefield 4, Far Cry3, Metro Last Light, pretty much any reasonably CPU intensive game is making my GTX 780 look like a laughing stock and I hate it, I've gone through several graphics cards in the last few weeks (GTX 760, GTX 770, GTX 760's in SLI and now GTX 780) and its still the same.
Battlefield 4 is getting around 48FPS down to 38FPS on maps like Flood Zone, Hainan Resort, all the large maps which require some beef on the CPU.
CPU usage: 80-100%
GPU usage: 50-70%
Clearly a bottleneck, do i have a faulty CPU? Should i move to i5-4670k? CAn anyone help find benchmarks for other FX-8350's in these games at similar clocks?
I cannot OC past 4.2GHz as system crashes are rampant at those speeds.
I have seen on these forums people so assuredly saying the FX-8350 will not bottleneck any single GPU solution and will even handle SLI/Xfire. This has no where near been the case for me. Testing a single 770, 760 and 780. All the SAME performance!! GTX 760 SLI was a disaster no point even going there performance wise.