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motherboard and cpu basic questions

post #1 of 7
Thread Starter 
hi, i like to know a few very basic questions about motherboard and cpu,
because im going to build my 1st gaming rig and been read alot but still alittle confusing lol.
for example : Asus Sabertooth P67 this board, is only for dual channel memory which means i can only use a dual channel ram on it correct ?

dual and triple channel is that very important ?
and there's so many different cpu type different socket, what is the exactly difference between them ? (what i just know is i5 and i7 difference in Hyper threading)
and the motherboard, the reason we get a expensive 1 is because is good for OC ?
let say i use a normal board with i5-2500k vs expensive motherboard with i7 both with gtx 590 is there a difference on performance ?

the more i read the more confuse i get.... i need some basic explain before i go further thanks!
post #2 of 7
1) Dual and triple channel memories have a negligible performance difference. But 2nd generation i7 (a.k.a. Sandy Bridge) is considerably faster than the 1st one, especially in games. i7-2600K easily beats i7-990X Extreme Edition in most games, whilst being 3 times as cheap. i7-2600K is not 6-core like i7-990X, but most games don't even use 4 cores, let alone 6, so it doesn't matter.

2) i5-2500K and i7-2600K differ mostly in hyperthreading, i.e. i5-2600K doesn't have that feature. It is also clocked 100Mhz lower at stock. Hyperthreading isn't always beneficial for games, in fact in some games you will even witness a decrease in performance. The core reason I picked i7-2600K is because it overclocks better than i5-2500K, or so I heard. But on stock speeds there is almost no difference in gaming for the both of them. And i5-2500K costs about 100 euros less. So if you're on a tight budget I'd go for that one.

3) Yes, overclocking capabilities vary greatly from board to board. But a MB in a 200 euros +/- range, has the best price/value ratio. The only reason to go for expensive MB is for a 4-way crossfire/sli, but those are retarded: the scaling actually gets worse the more GPUs you add. You get for up to 95% scaling only if you go the regular 2-way. Any more is a huge waste of money and electricity. Also more GPUs means more heat and less airflow inside the case (and as the GPUs are placed closely together they will also be competing for cooling and creating "hot pockets" in their vicinity), unless you're running submerged or got an awesome (and expensive) DIY water cooling installation, your temperatures will suffer greatly. Not to mention all the misery with 4-way spacing and cabling, which is huge. And you'll need a gigantic tower as well.

Also there are 2 types of chipsets you have to pay attention to. P67 is for overclocks, but doesn't have the support for the Intel integrated GPU (a GPU built into the CPU). And H67 has that support, but is not overclockable at all. A marketing trick if you ask me. Still P67 is better for gaming, since you can OC, and as you won't be using integrated graphics anyways, since it's crap for modern games. Just be sure to pick a CPU with a K in its name, minus-K CPUs overclock very poorly. The difference in price is negligible, it's like 10 euros.

4) The answer to that question lies above if you read carefully.

Hope that helps.
Edited by Hereticaster - 3/23/11 at 1:13pm
Yellow
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Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
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WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
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Yellow
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CPUMotherboardGraphicsRAM
Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
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post #3 of 7
Thread Starter 
so processor is doesnt matter about dual and tripple channel thing as long as can fit into the board and the dual and triple channel thing is decided by the board and ram
if the board is Asus Sabertooth P67 means that only use dual channel memory on it right?
and about the motherboard is doesnt really matter if i don do too much overclock, i can get a reasonable price and something with 2 pcix16 type is ok correct? (incase i need to sli it)

thanks for your explanation + rep!
post #4 of 7
Memory channels are CPU specific. 1st gen i7 was triple channel, 2nd gen is dual channel. Ivy Bridge will supposedly be triple channel, but I can't confirm that.

As I said before: the difference in performance is negligible, so it doesn't really matter. The only thing that really differs is how many RAM sticks you can attach to your MB, it's the number of channels multiplied by 2. So dual channel can have 4 sticks at most, whilst triple channel can have up to 6 of them.

What I love about the 2nd gen is their thermal resistance, you can actually run them with no fan at all, and if you look at their stock fans, they're really thin, and thus weak. Explains why the 2nd gen i7 overclocks so well. You can easily go past 5Ghz, from 3.4Ghz stock just on air. That is incredible.

But I still ain't overclocking mine before Ivy Bridge comes out. First rule of OCing: never OC something you can't afford to or won't replace.

And by all means, go for Sabertooth P67, seriously, it's the best value for your money.
Edited by Hereticaster - 3/23/11 at 1:54pm
Yellow
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
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Generic Logitech Keyboard Corsair AX1200 Antec Lanboy Air Logitech MX Revolution 
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Pending 
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Yellow
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
KeyboardPowerCaseMouse
Generic Logitech Keyboard Corsair AX1200 Antec Lanboy Air Logitech MX Revolution 
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post #5 of 7
Thread Starter 
FINALLY UNDERSTAND THE BASIC! OMG million thanks to you spending your time to answer such questions!
post #6 of 7
You're welcome, mate.
Yellow
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CPUMotherboardGraphicsRAM
Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
KeyboardPowerCaseMouse
Generic Logitech Keyboard Corsair AX1200 Antec Lanboy Air Logitech MX Revolution 
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Pending 
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Yellow
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-2600K @ stock until Ivy Bridge comes out Asus Sabertooth P67, TUF series Sapphire Radeon HD5970 Corsair Dominator GT 4x2Gb (CMT8GX3M4A1866C9) 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TD 7200rpm HP Dual-Layer DVD-RW Windows 7 Ultimate x64 Apple Cinema 30'' HD Display 
KeyboardPowerCaseMouse
Generic Logitech Keyboard Corsair AX1200 Antec Lanboy Air Logitech MX Revolution 
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post #7 of 7
dual channel and triple channel, any ram named as such is basically a marketing ploy. They are both DDR3, a single stick of either will work together, dual channel usually refers to 2 sold in the pack whereas triple comes with 3 sticks.

The channel is actually how is seen by the system at a time. These separate channels allow each memory module access to the memory controller, increasing throughput bandwidth. It is not required that identical modules be used, but this is often recommended for best dual-channel operation.
The Raven
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i7-2600K Gigabyte GA-P67A-UD5-B3 EVGA GTX 570 SC EVGA GTX 570 SC 
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16GB G.SKILL Ripjaws X 1866 Samsung 840 Pro  iHAS324 - Lite-On DVD-RW Noctua NH-D14 
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Windows 10 ASUS VN248 ASUS VN248 Logitech G510 
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The Raven
(16 items)
 
  
CPUMotherboardGraphicsGraphics
i7-2600K Gigabyte GA-P67A-UD5-B3 EVGA GTX 570 SC EVGA GTX 570 SC 
RAMHard DriveOptical DriveCooling
16GB G.SKILL Ripjaws X 1866 Samsung 840 Pro  iHAS324 - Lite-On DVD-RW Noctua NH-D14 
OSMonitorMonitorKeyboard
Windows 10 ASUS VN248 ASUS VN248 Logitech G510 
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XFX 850W BE SILVERSTONE RV02B-EW Logitech MX518 
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