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# Bottleneck - The Mathmatical Method

I will state in the first line of this thread that I do not know the answer yet.

Can you guys help me figure out a Rule of thumb method to determine when a bottleneck happens. Its a pretty common sense deal in my books, but there has to be a facts/numbers based approach that can be used to answer the most 2nd most common question on OCN (besides "When is Bulldozer coming out?")

Example of what I want to see....

Maybe a few categories to start the conversation, because what someone does with the computer may change the result. A folder using 4 GTX 480's could probably get buy with a pentium 4 processor, all they need is the cards running and something to do the basic instruction sets for the OS and the program interface. I think for Gaming and Rendering/Video Encoding would be the main things one would look at.

-Gaming
-Encoding

GTX 400

A single GTX400 Series (460,465,470,480,460x2) seems to be pretty well match to a phenom II - without a bottle neck.

A sli'ed Pair of the GTX 460,465, 470 seem to be the sweet spot to match a 4ghz Phenom II.

sli'ed GTX 480's need an i5 quad or greater to experience sweet spot operation.

How would the Athalon II's, Athalon AM2+, Phenom I, LGA 775, LGA 1156, LGA 1155 chips fit into the equation.

GTX 500?

ATI 5000

ATI 6000

I would like to see dividing lines, these cards belong over here, these over here and I will even do a neat little graph if you guys can help me out so when the question is asked, all that has to be done is a reference to the list. Educate me on bandwidth, and every factor you would mathematically consider when pairing a video card and processor.
Edited by cook - 6/4/11 at 6:15pm
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 BullDriver (13 items)
CPUMotherboardGraphicsRAM
FX-8350 Vishera 4.0GHz Asus 990FX Sabertooth MSI N465GTX 8gb Gskill Sniper 1600/9.9.9.25
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64Gb Crucial SSD(os) +1tb Baracuda SataIII Asus OEM SATA DVD RW x64 Windows 7 Home Premium 25" Hanns G
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It varies based on the tool you are using for measurement.

Basically, there is no way you can determine it with math.

If you are using 3DM06 to measure, then a 480 would probably be fine with a dual core conroe.

If you are using BC2, then a GTS 250 is going to need an i7.....
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KeyboardPowerCaseMouse
G15 Raidmax RX-1000AE Brooks shoebox  Acer G500
 Alienware M9700 (14 items) Wackbook pro (12 items) Mpowerlicous (12 items)
CPUCPUMotherboardGraphics
AMD Turion ML-42 2.4GHz AMD Turion ML-40 Alienware nForce3 2X nVidia GeForce Go 7900GS SLI
RAMHard DriveOSMonitor
1GB DDR 333MHz Samsung Spinpoint 250GB Windows XP Professional 1920X1200 Integrated LCD
Case
Alienware M9700 chassis
CPUMotherboardGraphicsGraphics
Core i7 3615QM @2.3GHz Apple Logic Board Intel HD 4000 Nvidia GT 650M 512MB
RAMHard DriveOSMonitor
16GB 1600MHz DDR3 500GB Samsung 840  OSX 10.10 1440x900
PowerAudioAudioAudio
85W PSU Schiit Modi Schiit Magni 2 Über DT770 Pro
CPUMotherboardGraphicsRAM
Intel i7 3770K MSI Z77 Big Bang MPower Radeon R9 270X 4X4GB G.Skill
Hard DriveCoolingOSMonitor
Intel X25-V Cooler Master Hyper 212+ Life without walls? Who needs windows? Acer
KeyboardPowerCaseMouse
G15 Raidmax RX-1000AE Brooks shoebox  Acer G500
Shall we break it up into a few categories?

-Benchmarking
-Gaming
-Folding
-Encoding
-somethening
Edited by cook - 6/4/11 at 6:09pm
 BullDriver (13 items)
CPUMotherboardGraphicsRAM
FX-8350 Vishera 4.0GHz Asus 990FX Sabertooth MSI N465GTX 8gb Gskill Sniper 1600/9.9.9.25
Hard DriveOptical DriveOSMonitor
64Gb Crucial SSD(os) +1tb Baracuda SataIII Asus OEM SATA DVD RW x64 Windows 7 Home Premium 25" Hanns G
KeyboardPowerCaseMouse
Microsoft Flatty Tethered RocketFish 550w Modular Corsair 600t Logitech MX Revolution
 BullDriver (13 items)
CPUMotherboardGraphicsRAM
FX-8350 Vishera 4.0GHz Asus 990FX Sabertooth MSI N465GTX 8gb Gskill Sniper 1600/9.9.9.25
Hard DriveOptical DriveOSMonitor
64Gb Crucial SSD(os) +1tb Baracuda SataIII Asus OEM SATA DVD RW x64 Windows 7 Home Premium 25" Hanns G
KeyboardPowerCaseMouse
Microsoft Flatty Tethered RocketFish 550w Modular Corsair 600t Logitech MX Revolution
^updated my post
 Alienware M9700 (14 items) Wackbook pro (12 items) Mpowerlicous (12 items)
CPUCPUMotherboardGraphics
AMD Turion ML-42 2.4GHz AMD Turion ML-40 Alienware nForce3 2X nVidia GeForce Go 7900GS SLI
RAMHard DriveOSMonitor
1GB DDR 333MHz Samsung Spinpoint 250GB Windows XP Professional 1920X1200 Integrated LCD
Case
Alienware M9700 chassis
CPUMotherboardGraphicsGraphics
Core i7 3615QM @2.3GHz Apple Logic Board Intel HD 4000 Nvidia GT 650M 512MB
RAMHard DriveOSMonitor
16GB 1600MHz DDR3 500GB Samsung 840  OSX 10.10 1440x900
PowerAudioAudioAudio
85W PSU Schiit Modi Schiit Magni 2 Über DT770 Pro
CPUMotherboardGraphicsRAM
Intel i7 3770K MSI Z77 Big Bang MPower Radeon R9 270X 4X4GB G.Skill
Hard DriveCoolingOSMonitor
Intel X25-V Cooler Master Hyper 212+ Life without walls? Who needs windows? Acer
KeyboardPowerCaseMouse
G15 Raidmax RX-1000AE Brooks shoebox  Acer G500
 Alienware M9700 (14 items) Wackbook pro (12 items) Mpowerlicous (12 items)
CPUCPUMotherboardGraphics
AMD Turion ML-42 2.4GHz AMD Turion ML-40 Alienware nForce3 2X nVidia GeForce Go 7900GS SLI
RAMHard DriveOSMonitor
1GB DDR 333MHz Samsung Spinpoint 250GB Windows XP Professional 1920X1200 Integrated LCD
Case
Alienware M9700 chassis
CPUMotherboardGraphicsGraphics
Core i7 3615QM @2.3GHz Apple Logic Board Intel HD 4000 Nvidia GT 650M 512MB
RAMHard DriveOSMonitor
16GB 1600MHz DDR3 500GB Samsung 840  OSX 10.10 1440x900
PowerAudioAudioAudio
85W PSU Schiit Modi Schiit Magni 2 Über DT770 Pro
CPUMotherboardGraphicsRAM
Intel i7 3770K MSI Z77 Big Bang MPower Radeon R9 270X 4X4GB G.Skill
Hard DriveCoolingOSMonitor
Intel X25-V Cooler Master Hyper 212+ Life without walls? Who needs windows? Acer
KeyboardPowerCaseMouse
G15 Raidmax RX-1000AE Brooks shoebox  Acer G500
Im confused.
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