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-   -   Return of FX : GA-990FXA-UD7 - OC'd AMD FX 8150 / 6990 Performance Comparison Review (http://www.hardwarecanucks.com/forum/cpus-motherboards/53873-return-fx-ga-990fxa-ud7-ocd-amd-fx-8150-6990-performance-comparison-review.html)

polyzp May 2, 2012 05:07 AM

Return of FX : GA-990FXA-UD7 - OC'd AMD FX 8150 / 6990 Performance Comparison Review
 
PART I of V : Return of AMD FX, Enter Gigabyte




http://i.imgur.com/3NYyZ.jpg



My System:


AMD FX 8150 @ 4.90 Ghz
Promilatech Genesis Cooler - 3 x 135mm Scythe Kama Flex 100CFM fans
Maingear T1000 TIM
8 Gb DDR3 Team Xtreem 2400 cl9 @ @ 1987 Mhz / CL9
Gigabyte GA-990FXA-UD7
XFX HD 6990 + Accelero Twin Turbo Cooler @ 990/1500 Mhz
RevoDrive 3 x2 - 240 Gb


The first thing that came to mind when I first laid eyes on my new Gigabyte 990FX UD7 board was that it was quite the beautiful board. Much respect for the simple PCIE 16x slot latches, the Crosshair V uses a more traditional type, and sleek heatsink design.

EDIT: It should be noted that I received a revision 1.1 board from Newegg Canada, and that it does have Load Line Calibration (LLC) controls in the bios.





The new Team Xtreem DDR3 ram has a cheap but cool looking reflecting sticker, but what is most appealing are the stats: 2400 Mhz @ Cl9, which is only surpassed by Corsair's grossly overpriced and discontinued Dominator GT dual channel flagship memory.






The memory height is not found online, and could be helpful to potential buyers.

Team Xtreem memory height : 52mm

Promlatech Genesis allowed height: 54mm

So this is awfully close to the tallest ram you could use with this cooler. I have seen Dominator GT ram at a height of 54mm barley fitting underneath the heat sink, found here, and a 53 mm Corsair Vengeance stick here.



Comparison Systems :




AMD FX 8150 @ 4.81 Ghz
Promilatech Genesis Cooler - 3 x 135mm Scythe Kama Flex 100CFM fans
Indigo Xtreme TIM
G. Skill 2200 cl7 @ x 2190 Mhz / CL10
ASUS Crosshair V
XFX HD 6990 + Accelero Twin Turbo Cooler @ 990/1500 Mhz


http://i.imgur.com/H70ns.jpg



Intel Rig


Intel i7 3770k @ 4.7-4.9Ghz
Various 8 Gb DDR3
Various Z77 Motherboards
Various GPUs


Results:


http://1.bp.blogspot.com/-yV4O0s7Bw9...00/PART1-2.png


Sources:


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26


Discussion:

We see that for the benchmarks used in Part I of my review, FX only falls signficantly behind when only a single thread is used. When only one core is being used we see a 25-40% benefit per Ghz for the 3770k over the FX 8150.

When all threads can be used, Bulldozer does a good job of making up for the lost single threaded performance. Scaling for FX outshines the i7 3770k by a significant margin. Most notably with techarp's x264 HD, where my FX 8150 @ 4.9 Ghz beats a 5.0 Ghz 2600k, and narrowly loses to a 4.9 Ghz 3770k. (Check source 19)

In TrueCrypt 7.1a we see a 4.9 Ghz FX 8150 performing slightly better than its 22nm 3770k intel counterpart at 4.7 Ghz.

In 7-Zip we see the FX 8150 jumping 2.7 % percent ahead of its 3770k counterpart at the same 4.9 Ghz clock for Compression, but falling behind 2.7% with decompression.

The temperature of a 3770k is also seen to sky-rocket up to 78C during a SuperPi 32m test, while my FX 8150 doest hit above 59C.

Next week well see how my GPU handles graphically intensive workloads on my new Gigabyte board.

Stay Tuned! I am free to answer any questions and also am willing to take any requests you guys might have!

AMDFX

polyzp May 2, 2012 05:08 AM

Part II

polyzp May 2, 2012 05:08 AM

Part III

polyzp May 2, 2012 05:08 AM

Part IV

polyzp May 2, 2012 05:08 AM

Part V

terrybear May 3, 2012 10:40 AM

not bad, not bad, now need to add some gaming ones in with it. :)

Adzsask May 3, 2012 11:05 AM

Please tell me you used indigo extreme on the intel build, if not no wonder the CPU temps varied so much.

polyzp May 3, 2012 02:53 PM

Quote:

Originally Posted by Adzsask (Post 626242)
Please tell me you used indigo extreme on the intel build, if not no wonder the CPU temps varied so much.

The intel build i compared temps with is not mine, and indigo was most likely not used. At best, temps are only 5C less than with MX4. Voltage is the most important factor for temps. I have yet to see a 1.45-1.50 V 3770k with temps that are reasonable.

Ill be doing some game benchmarks coming soon guys! Part II or III !! :thumb:


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