Why am I getting lower FPS with my R9 280 then I was with my old GTX650 1GB?

leyton1 · Jan 30, 2015

I Recently Purchased A R9 280 Dual-X to replace my old Gtx 650 and in most games i dont get as good FPS so i'm a bit confused in farcry 4 I use to get around 30-70fps with my 650 now with my r9 280 3gb Dual-x i get around 20-45fps

Please Help

My spec:

Operating System
Windows 8.1 Pro 64-bit
CPU
AMD FX-4130
Zambezi 32nm Technology
RAM
12.0GB Dual-Channel DDR3 @ 429MHz (6-6-6-15)
Motherboard
ASRock 970 Extreme3 R2.0 (CPUSocket): 30 °C
Graphics
SAMSUNG (1360x768@60Hz)
Generic Non-PnP Monitor (1440x900@60Hz)
3072MB ATI AMD Radeon R9 200 Series (Sapphire/PCPartner): 61 °C
Storage
111GB SanDisk SDSSDX120GG25 ATA Device (SSD): 25 °C
465GB Seagate ST3500312CS ATA Device (SATA): 28 °C
111GB OCZ-ARC100 ATA Device (SSD)
465GB Seagate ST3500312CS ATA Device (SATA): 28 °C

BTW Dont know if this will help answer my question but in AC Unity and FarCry4 and Dying light i get nearly the same FPS in ultra as I do in low settings.

sincreator · Jan 30, 2015

Something strange I noticed is your RAM. Why are you running DDR3 at 429mhz? It should be running at 1333mhz at the very least. CPUz would show 667mhz, but you have to double that. Are you trying to mix and match different RAM? If so then that very well may be the cause of your problems.

Also what power supply do you have? make/model?

leyton1 · Jan 30, 2015

sincreator :

I have an XFX 550watt and no im using 3 sticks of 1600mhz Corsair vengeance all the same, btw i noticed that but in task manager under memory it says 800mhz dual channel so 800x2=1600mhz

leyton1 · Jan 30, 2015

ive now fixed the problem with my ram saying it was 429mhz i must of changed something in the bios because i just loaded defaults and it fixed it its now around 600mhz in cpuz but the FPS problem still carrys on

sincreator · Jan 30, 2015

leyton1 :

If you have 3 sticks in your system you are not using dual channel mode. They have to be installed in pairs to use dual channel mode. Take one stick out and see if your performance goes up.

leyton1 · Jan 30, 2015

I have done im now using 8gb in dual channel with no luck see im thinking bottle neck with my CPU and GPU this has got to be it right?

sincreator · Jan 30, 2015

leyton1 :

In CPUz it should be showing 800mhz, not 600mhz. 600mhz would mean you are only running your DDR3 at 1200mhz. The timings you listed originally are WAYYYY to low for DDR3 1600mhz ram as well. It should be Cas 8/9/10 timings. Mine is low timing ram and it runs at 1600mhz cas 8, or at stock speed 1333mhz cas 7. My default ram timings are 7-7-7-21 @ 1.5v.

leyton1 · Jan 30, 2015

Okay this could be the problem so how can i fix this? Bios? change them manually or is that dangerous or...?

leyton1 · Jan 30, 2015

So now would the question be how to set correct timings for my vengeance 2x4gb in asrock 970 extreme 3 r2.0 uefi?

sincreator · Jan 30, 2015

Check and see if there is an option called XMP. XMP is the best preset timings and voltage for your ram. If the option is there, just enable it and everything should be done for you automatically.

sincreator · Jan 30, 2015

If XMP isn't there or does not work you can change the timings and voltage manually. Here is a guide that should help educate you on the process: http://www.overclock3d.net/articles/memory/how_to_manually_set_up_your_ram_speed_timings_and_voltage/1

leyton1 · Jan 30, 2015

sincreator :

ive enabled xmp 1.3 profile but my dram frequency is still very low compared to what it should be is it safe for me to adjust that?

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