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Possible bottleneck?

post #1 of 3
Thread Starter 
Hey there,

I'm upgrading my little brother's rig and I need some advice regarding CPU to GPU bottlenecking. The build is going to be for gaming. He currently has an i3 2100 and we're planning to upgrade to a 7870.. Is there going to be a very noticeable performance decrease due to the low power CPU? Thanks in advance. I'm not really used to working with low-end components :L
     
CPUMotherboardGraphicsRAM
3930k Rampage 4 Extreme EVGA GTX 690 Corsair Platinum 
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CPUMotherboardGraphicsRAM
i3 2100 ASUS P8H77-I AMD Radeon HD 6450 Cheapo RAM - 4GB 
Hard DriveCoolingOSMonitor
500 GB Heatsink that came with the CPU  Windows 7 Ultimate 64bit HANNS-G 24 Inch 
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Cheapo Cheapo Qubz Mini ITX Cheapo 
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CPUMotherboardGraphicsRAM
3930k Rampage 4 Extreme EVGA GTX 690 Corsair Platinum 
Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black x2 Nope Liquid Cooled Win 7 Ult 64b 
MonitorKeyboardPowerCase
3x Yamakasi Catleap Q270 "extreme OC" 120hz 1440p Razer Blackwidow 2013 Corsair AX1200i COSMOS 2 
MouseMouse PadAudioAudio
Razer Ouroboros ?Vespula? Crappy 2.1 Logitech Raze Tiamat 7.1 
CPUMotherboardGraphicsRAM
i3 2100 ASUS P8H77-I AMD Radeon HD 6450 Cheapo RAM - 4GB 
Hard DriveCoolingOSMonitor
500 GB Heatsink that came with the CPU  Windows 7 Ultimate 64bit HANNS-G 24 Inch 
KeyboardPowerCaseMouse
Cheapo Cheapo Qubz Mini ITX Cheapo 
Mouse PadAudioOther
Do i look like I'm rich? Teac 2.1 speakers Low ego 
  hide details  
Reply
post #2 of 3
You will encounter a slight bottleneck, however you should be able to utilize most of the cards power. I would suggest going for an i5 in the near future though, as this will definitely increase your FPS.
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XBOX Original Casing 
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AMD Money Pit
(13 items)
 
   
CPUMotherboardRAMRAM
AMD Athlon X2 5000+  Asrock N61P-S Samsung 512MB DDR2 Samsung 512MB DDR2 
Hard DriveCoolingOSPower
Seagate 80GB SATA Cooler Master Phenom II Stock Windows 7 Ultimate x64 Dell Slim 160 Watt 
Case
XBOX Original Casing 
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post #3 of 3
Yea you should be fine man. No worries. Maybe OC it a little bit, but still nothing that noticeable. Definitely go for an i5 in the future or if you plan on upgrading to 7950's or higher at some point I would definitely recommend the i7 3770k because of the Hyper threading. I personally believe that a lot of developers are going to start utilizing hyper threading in their games in the (near?) future. I seen increased performance in Crysis 3 coming from an i5 3570k to my current i7 3770k.
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