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Bottleneck my GPU?
This might be a difficult answer but is it possible to bottleneck a GPU to increase speed? Unsure BTW I never bottlenecked my GPU before.

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You want to bottleneck a gpu to increase speed?
That sounds interesting... I think this word doesn't mean what you think it means...
I think bottlenecking GPU makes the CPU run more power than having the GPU to run least power but the EE of PS2 clocks at 294MHz and the GS clocks at 147MHz, I have no idea of whats going to happen but I leave the answer in standby.
What do you want to achieve? What is the actual problem?

Sure if your gpu is bottlenecking your system you are not hold back by your CPU... But this doesn't mean that you achieve something better. You can use a hammer and smash your gpu... Than you are bottlenecked due to lack of gpu...

How are clockrates of the ee and gs related?
idk my CPU is clocked at 3500MHz and my GPU is clocked at 2048MB, maybe my CPU is more reasonable, I think I'm ready to use a real PS2, soon... And my computer might needed a better CPU for software render.
While 3.5ghz is actually a possible value for a clock frequency it does not tell you how powerful your CPU is. On the other hand 2GB are really not a clock frequency and again it doesn't tell anything about the power of your gpu.

What do you want to achieve? What is the problem?
I wanted to use software mode cause it looks pretty and good but it all depends by the CPU itself, should I overclock a tad like 300MHz or should I get a new CPU, just to use it as if I wanted to get average frame rate like 35-50 FPS. I used Burnout 3 as the game I play a lot. Without much like aggressive speed-hacks put onto emulation.
Burnout is quite demanding.

Please provide the full.emulog after you observed the problem.
Please screenshot all settings in emulation settings and gsdx plugin settings.
Somehow I wasn't able to browse for snapshots but here's the log:

PCSX2 1.3.1-20150412110523 - compiled on Apr 12 2015
Savestate version: 0x9a0a0000

Host Machine Init:
Operating System = Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
Physical RAM = 8133 MB
CPU name = AMD A8-6500 APU with Radeon™ HD Graphics
Vendor/Model = AuthenticAMD (stepping 01)
CPU speed = 3.492 ghz (4 logical threads)
x86PType = Standard OEM
x86Flags = 178bfbff 3e98320b
x86EFlags = 2fd3fbff

x86 Features Detected:
SSE2.. SSE3.. SSSE3.. SSE4.1.. SSE4.2.. AVX.. FMA
MMX2 .. SSE4a

Reserving memory for recompilers...

Loading plugins...
Binding GS: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\GSdx32-AVX.dll
Windows 6.1.7601 (Service Pack 1 1.0)
Binding PAD: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\LilyPad.dll
Binding SPU2: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\SPU2-X.dll
Binding CDVD: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\cdvdGigaherz.dll
Binding USB: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\USBqemu.dll
Binding FW: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\FWnull.dll
Binding DEV9: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\plugins\DEV9null.dll
Plugins loaded successfully.

(GameDB) 9677 games on record (loaded in 229ms)
HotSwapping to new ISO src image!
HLE Notice: ELF does not have a path.

Initializing plugins...
Init GS
Windows 6.1.7601 (Service Pack 1 1.0)
Init PAD
Init SPU2
Init USB
Init FW
Init DEV9
Plugins initialized successfully.

Opening plugins...
Opening GS
Opening PAD
Opening SPU2
Opening CDVD
isoFile open ok: C:\Users\Nick\Desktop\PCSX2\ISO's\Burnout 3 - Takedown (USA).iso
Image type = DVD
* CDVD Disk Open: DVD, Single layer or unknown:
* * Track 1: Data (Mode 1) (1400304 sectors)
Opening USB
Opening FW
Opening DEV9
McdSlot 0: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\memcards\Mcd001.ps2
McdSlot 1: C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\memcards\Mcd002.ps2
Plugins opened successfully.
EE/iR5900-32 Recompiler Reset
Bios Found: USA v01.60(07/02/2002) Console
BIOS rom1 module not found, skipping...
BIOS rom2 module not found, skipping...
BIOS erom module not found, skipping...
(UpdateVSyncRate) Mode Changed to NTSC.
(UpdateVSyncRate) FPS Limit Changed : 59.94 fps
(SYSTEM.CNF) Detected PS2 Disc = cdrom0:\SLUS_210.50;1
(SYSTEM.CNF) Software version = 1.00
(SYSTEM.CNF) Disc region type = NTSC
found 0 symbols
ELF (cdrom0:\SLUS_210.50;1) Game CRC = 0xBEBF8793, EntryPoint = 0x00100008
(SYSTEM.CNF) Detected PS2 Disc = cdrom0:\SLUS_210.50;1
(SYSTEM.CNF) Software version = 1.00
(SYSTEM.CNF) Disc region type = NTSC
Found Cheats file: 'BEBF8793.pnach'
Loaded 3 Cheats from 'BEBF8793.pnach' at 'C:\Users\Nick\Desktop\pcsx2-v1.3.1-93-g1aebca3-windows-x86\cheats'
Overall 3 Cheats loaded
ohci_write: Bad offset 80
No, you're going to want an Intel haswell quad core for software buddy. AMD cpu's aren't very good at emulation.

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