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Change Motherboard or CPU for good OC?

post #1 of 23
Thread Starter 
I would like to OC my AMD 1055t (stock 2.8 GHz, TDP 95W version) to 4GHz+ but I can only get 3.5 GHz stable on an Asus M5A78L-M USB3 motherboard.
The mobo has 4+1 phase and no VRM heatsink. Is there any way I can push the 1055t to at least 4 GHz (motherboard supports CPUs up to 140W)?

If not, I was thinking I could get a new motherboard with 8+2 phase and VRM heatsink and try OCing on that
OR
get an FX6300 (95W) for my current mobo and OC that to 4GHz+ (wouldn't have to push it too much as its stock speed is closer to 4GHz)
OR
get an FX8350 and OC that to 4GHz+ on the current mobo.

I've heard the FX8350 runs quite hot at stock speed which my mobo would throttle straight away but maybe I could eliminate that by getting MOSFET heatsinks and directing a 40mm fan straight on them. Also seeing as the 8350 is TDP 125 it would give less room for OCing.

Anyway, the only two real options are the first two:

New motherboard which is more OC-able and realiable
OR
Higher stock speed CPU like the 6300.

Any help would be appreciated!
Edited by octhis - 3/18/13 at 5:35pm
SpeedBird467
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SpeedBird467
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post #2 of 23
I say change the mobo def. butthe cpu is up to you. if you can afford to do both, go for it.
post #3 of 23
Personally I would go with a better motherboard, and if its in the budget, a new CPU as well. Your current motherboard, while capable, will not perform nearly as well as a higher end motherboard in overclocking. If you plan on getting a new CPU and not overclocking, stick with what you have for a motherboard. If you plan on doing some heavy overclocking, on any CPU, your going to want a better motherboard first.

Obviously, if you can afford both, that would be your best route, but im assuming you already know that biggrin.gif.
post #4 of 23
what TheGrayDon said. you should upgrade your motherboard 1st.
See what kind of overclocking you can get with something that was a beefy VRM
(digital 6+2 or traditional 8+2 VRM setup is what I would recommended for pushing a thuban).

With a solid AM3+ motherboard you can always upgrade to FX-6300/8320/8350 or
if the refresh Vishera models come out.

I'm running my 95W 1045T at 4.0GHz. has plenty of power. runs cool and doesn't use much electricity.



Gigabyte 990FXA-UD3 990FX chipset, 8+2 VRM, $127.99 after $10 rebate @newegg
ASUS M5A99X EVO R2.0, 990X chipset, digi 6+2 VRM $119.99 after $20 rebate @newegg
ASUS M5A99FX PRO R2.0 (990FX chipset), digi 6+2 VRM $134.99 after $10 rebate @newegg

looks like the sale at NCIX ended yesterday
ASUS M5A99X EVO R2.0, 990X chipset, digi 6+2 VRM $105.99 after $20 rebate
Gigabyte 990FXA-UD3 990FX chipset, 8+2 VRM, $119.99 after $10 rebate


P.S. fill out your spec so we know else you have in your system. welcome to ocn.
AK 1045
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AK 1045
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post #5 of 23
Thread Starter 
Thanks for the list Heuchler, I'll have a look at those tomorrow . Yeah I will update my rig, i was just about to go to bed, damn these were some quick replies. Thank you to all ! (Keep them coming please biggrin.gif )
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SpeedBird467
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Hard DriveOptical DriveCoolingOS
OCZ Vertex 4 256 Gb Generic OEM DVD reader/writer Phanteks PH-TC14PE Windows 7 Home Premium 64-bit OEM 
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Samsung P2370HD Logitech K310 Washable Keyboard Corsair CX750 750W In Win GR One 
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post #6 of 23
Definitely mobo first and foremost.
It's kinda like what you feed your CPU with.
Compare a soup spoon to a ladle.

You can get away with good OCs on a 4+1 using some lower powered CPU,
but a 95W+ chip will only see it's potential when provided enough stable power.

Personally, I get great results from Asus' 6+2 digi VRMs.
I've yet to get a first-hand impression that analog 8+2 is really any better.

Now go get that 4.0Ghz...! thumb.gif
Quantum
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post #7 of 23
Thread Starter 
So would you say that the ASUS M5A99X EVO R2.0 would do the job?

I also looked at the Gigabyte 990FXA-UD3 but that's just above my budget, however the GA-990XA-UD3 is around $20 cheaper and I'm just wondering if there are any noticeable differences between the two.
SpeedBird467
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SpeedBird467
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Hard DriveOptical DriveCoolingOS
OCZ Vertex 4 256 Gb Generic OEM DVD reader/writer Phanteks PH-TC14PE Windows 7 Home Premium 64-bit OEM 
MonitorKeyboardPowerCase
Samsung P2370HD Logitech K310 Washable Keyboard Corsair CX750 750W In Win GR One 
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post #8 of 23
I can't find the GA-990XA-UD3 for sale anymore.

ASUS M5A99X EVO has a solid VRM design, shouldn't have any problems with overclocking a thuban.
Digital 6 +2 Phase Power Design. 140W TDP CPU supported
6 SATA-3 (6GB/s) plus eSATA (external SATA ports)
AMD 990X chipset 8x/8x crossfire (electronically limited to 8x - when using two video cards
while the top of the line AMD 990FX has 16x/16x). only important if you plan on using two high end video cards (current
generation or next). quad crossfire and quad sli supported
4 USB 3.0 ports + 14 USB 2.0 (8 at back panel, black+red, 6 at mid-board)
not bad build in sound card (Realtek ALC892)
UEFI (over ancient award bios) full GUI. very impressed with Sabertooth uEFI BIOS (Gigabyte has hybrid bios
to support 2.2TB and larger drivers - they now have beta UEFI bios for GA-990FXA-UD3 Rev3)

I was going to get the Evo until i got a deal on a new Sabtertooth 990FX R1. the 6 internal SATA ports turned me
off a little. but the UD3 also only has 6 ports.

Biostar TA990FXE, 4+1 VRM, AMD 990FX $108.79 after $25 coupon is worth looking into. read some reviews.
Not a bad board for the money. The ASUS M5A99FX PRO R2.0 for $130 is also a good deal. lots of extra features.
AMD 990FX chipset 16x/16x crossfire and sli support.
5x SATA 6Gb/s + eSATA (AMD SB950) + ASMedia 2x SATA 6Gb/s (blue) Warning: Spoiler! (Click to show)


Today only Rakuten (formerly Buy.com) has $25 off $100
coupon code "NEW25" for $25 off $100+ Purchases (New Customers Only)

details here
http://www.overclock.net/t/1372922/rakuten-formerly-buy-com-25-off-100-purchases-new-customers-only


ASUS M5A99FX PRO R2.0, AM3+ AMD 990X, $155.91 - $25 = $130.91 Warning: Spoiler! (Click to show) Biostar TA990FXE, 4+1 VRM, AM3+ AMD 990FX $133.79 - $25 = $108.79 Warning: Spoiler! (Click to show) AMD FX-8320 $164.97 + $4.16 shipping - $25 = $145.13 Warning: Spoiler! (Click to show) AMD FX-8350 $184.97 + $4.16 shipping - $25 = $165.13 Warning: Spoiler! (Click to show) AMD FX-6300 $129.99+ $3.80 shipping - $25 = $108.79 Warning: Spoiler! (Click to show)
AK 1045
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AMD Phenom II X6 1045T 95W TDP GABYTE GA-MA790X-UD4P AM3/AM2+ AMD 790X+SB750 1... MSI Radeon 5850 PowerColor Radeon 5850 
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AK 1045
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CPUMotherboardGraphicsGraphics
AMD Phenom II X6 1045T 95W TDP GABYTE GA-MA790X-UD4P AM3/AM2+ AMD 790X+SB750 1... MSI Radeon 5850 PowerColor Radeon 5850 
RAMHard DriveHard DriveCooling
Crucial Ballistix Tracer (D9GMH) PC2-6400 800MH... OCZ Agility 3 120GB RAID-0 Samsung Spinpoint F3 HD103SJ 200GB Scythe Mugen 2 with dual Scythe SFF21F Fans (Pu... 
MonitorPowerCaseMouse
ASUS VW266H Black 25.5" 2ms(GTG) 1920x1200 Corsair 750TX 750W  CM HAF932 Logitech G5 
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ASUS XONAR DG with Heaphone amp > Sennheiser HD... 2x100 watt Class D amp 2x100 watt > Miller & Kr... 
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post #9 of 23
Thread Starter 
Again, thanks for the links, but I live in the UK so can't take advantage of the good prices :/
SpeedBird467
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Hard DriveOptical DriveCoolingOS
OCZ Vertex 4 256 Gb Generic OEM DVD reader/writer Phanteks PH-TC14PE Windows 7 Home Premium 64-bit OEM 
MonitorKeyboardPowerCase
Samsung P2370HD Logitech K310 Washable Keyboard Corsair CX750 750W In Win GR One 
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SpeedBird467
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Hard DriveOptical DriveCoolingOS
OCZ Vertex 4 256 Gb Generic OEM DVD reader/writer Phanteks PH-TC14PE Windows 7 Home Premium 64-bit OEM 
MonitorKeyboardPowerCase
Samsung P2370HD Logitech K310 Washable Keyboard Corsair CX750 750W In Win GR One 
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post #10 of 23
Yes definitely it will do the job.
Only difference is less lanes (half the amount) but you can run dual x8 crossfire anyway.
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