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Old September 2, 2010, 12:08 PM
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Default OC'd i7 930 vs OC'd 1055T/1090T need advice for workstation

I'm trying to decide between a 930 and a 1090T (or 1055T) for my new workstation. Thing is that I'd overclock either set-up as high as possible (tho stability is paramount) so it's harder for me to use reviews and benchmarks to compare the two as most do not include the OC'd CPU's.



TASKS:

3D modeling. Photoshop. Simulations. 3D rendering. After Effects. 1080p editing.

I can fully use any core, thread and Mhz while rendering. However, smooth performance while working is also very important.

CORE SYSTEM:

Samsung 1000GB SATA-300 7200RPM 32MB HD103SJ Spinpoint F3
CoolerMaster HAF 922 (High Air Flow)
Corsair TX650 Watt PSU
Noctua NH-D14
EVGA GTX 460 1024MB 675/3600 EE (External Exhaust)
LG H22LS30 DVD


THE DILEMMA:

I found a few benchmarks which pitted the OC'd CPU's against each other.

http://www.extremeoverclocking.com [...] 0T_15.html

Both at 3.8 Ghz and it's obvious that the 1090T is faster at multi-threaded applications, but only by a small margin. This while the 930 is faster in single-threaded applications, but by a larger margin.

Am I interpreting this correctly?

2010 | TechREACTION [...] an-review/

In this review it seems as if the 920 is able to catch up with the 1090T when they're both OC'd.

http://www.overclock3d.net/reviews [...] e_review/5

Strangely enough in this review the 1090 consistently beats the 930. Even when not overclocked, which doesn't seem consistent with other reviews.
Tho the review doesn't test any applications like Photoshop or After Effects.



Reviews of non OC'd CPU's only increase the confusion. One time the 1090T seems superior and the other time the 930.

AMD's Six-Core Phenom II X6 1090T & 1055T Reviewed - AnandTech :: Your Source for Hardware Analysis and News [...] reviewed/7
http://www.tomshardware.co.uk/char [...] .html?prod[4477]=on&prod[4438]=on&prod[4437]=on
http://www.behardware.com/articles [...] 1055t.html
http://www.behardware.com/articles [...] 1055t.html

But maybe the non OC reviews aren't really valid.


So if anyone can please make sense of which CPU is faster, because to me it seems reviews are contradicting each other.


As for other advantages/disadvantages per CPU:

I can't afford 12GB of RAM but I can afford 8. So my 1090T build would have 8 and the X58 set-up only 6. The more the better.
Apparently when both OC'd to the same Ghz the 1090T and the 1055T are equally fast. This would be quite nice since the 1055T is 100 cheaper.

Downsides of the Crosshair IV Formula build are the lack of SLI (which could be a large disadvantage as I'm going to use GPU rendering) and the fact that I can only get a Asus Crosshair IV Formula which is reported to have north bridge overheating issues.




Anyways, thanks immensely for all your help.
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Old September 2, 2010, 12:19 PM
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if youre looking purely in utilizing all cores? 1055t all the way, though may want to wait for the 95 watter version as it should scale a bit better on the top end due to better thermals.

may i suggest the giga 870a board? or perhaps the ud3 since it has some heatsinks over the regulators?

unless youre super set on that asus mobo. yes, no sli unless you perhaps maybe chose a driver hack? :)
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Old September 2, 2010, 01:00 PM
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A 930 overclocked to its limit will outperform an AMD X6 when overclocked to its limit. If you need maximum power, then Intel is the way to go.
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Old September 2, 2010, 01:02 PM
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I vote for 6 cores if you know your applications will take advantage of all cores, otherwise go intel.
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Old September 2, 2010, 01:52 PM
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Quote:
Originally Posted by _dangtx_ View Post
if youre looking purely in utilizing all cores? 1055t all the way, though may want to wait for the 95 watter version as it should scale a bit better on the top end due to better thermals.

may i suggest the giga 870a board? or perhaps the ud3 since it has some heatsinks over the regulators?

unless youre super set on that asus mobo. yes, no sli unless you perhaps maybe chose a driver hack? :)
I'd love to have a different board. But I've already pushed my comp shop to the limit by specifically asking for the HD, NH-D14 and the overclocked 460, all which they normally don't carry.

I do worry about the Asus mobo as it's reported to have some NB overheating issues.


Do you have any idea when the 95W version of the 1055T will come out?


BTW, another question... Is there a particular reason why I couldn't use 8GB RAM on the 930? Will I lose triple channel this way? Are there other disadvantages to doing this?
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Old September 2, 2010, 01:59 PM
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Quote:
Originally Posted by A_Drone View Post
BTW, another question... Is there a particular reason why I couldn't use 8GB RAM on the 930? Will I lose triple channel this way? Are there other disadvantages to doing this?
You will lose triple-channel support. That's about it. Whether you should go with 8GB in dual-channel or 6GB in triple-channel depends on whether your tasks depend more on memory speed or capacity.
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Old September 2, 2010, 02:02 PM
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It seems to me like you will take advantage of all six cores on the 1055T so that would be the best bang-for-buck in your situation. For your multi-GPU issue, you could look at an AM3 board that is SLI compatible or just use the SLI patch on the Crosshair IV.

FYI, the 95 watt version of the 1055T can be purchased at Tigerdirect (that's the only place I can find it). Link: Buy the AMD Phenom II 1055T Six Core OEM Processor at TigerDirect.ca
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Old September 2, 2010, 02:27 PM
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cool, no worries. usually asus units are nice but a tad pricey.

AMD Phenom II X6 1055T - HDT55TWFK6DGR (HDT55TWFGRBOX)

great find mr Cray

this is the same guy who found the 120 dollar msi fx!





edit : looks like tiger jumped the gun


Typo
Reviewer: MrPerlishells on Aug 18, 2010
Customer Rating: 5.0
Value 5.0 Features 5.0 Quality 5.0 Performance 5.0

Was searching for HDT55TWFK6DGR. When I finally found it, I find that the description does not match what I was expecting. HDT55TWFK6DGR should have been the 95W version but the description in the Product information is for the 95W version. Also the model number is different. I used the chat feature to talk to a representative and she confirmed that this is the 125W version not the 95W version I had hoped. My motherboard can accept up to 95W CPU which is why I needed the 95W version. I don't want to lower one star for what would have been a good CPU.



before you order have a chat and have the check the part number on the box itself, not online
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Old September 2, 2010, 03:13 PM
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i7 930 > 1055T/1090T for the majority of what you'll be doing, especially after overclocking all chips to their potential. They're all good choices, though.
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Old September 4, 2010, 06:07 AM
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Someone suggested these:


8-Core Mangy-Cours:
http://www.newegg.co...N82E16819105266
G34 Motherboard:
http://www.newegg.co...N82E16813182240
1333MHz CAS7 DDR3 ECC, as many as you want to get:
http://www.newegg.co...N82E16820139037

I've actually never looked at server stuff.

Anyone have experience with this? Does it overclock at all? Because 2Ghz seems a little slim for doing single-threaded tasks.
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