Just bought a new mobo & cpu finally and now i'm looking to buy some DDR3 ram, i'm not sure of which brand or freq i should get though
PHENOM II X4 955 BLACK EDITION (3.2 GHz)
ASROCK 970 PRO3 - Chipset AMD 970
Thanks for your help
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Thread: which Ram for a PHENOM II X4 955
Frequency > 1066 or 1333 MHz
Brand > A good or quality brand, don't go cheap not worth the headaches.
Amount > 8 GB minimum if 64 bit OS
Best to get 1600 mhz ram,they are getting very cheap in price.I think,therefore i am a hamster.
pick a size, then pick a speed(1600 sounds good to me), then go looking on newegg for the lowest price.--
"a lot of people are better dead" - prisoner KSC2-303
If you are going to be encoding video for long periods of time, something from the tested memory list with heat spreaders would be worth considering, if there is enough clearance for them.
The names given for the Ram are really confusing if you ask me
I've found this one which has a good reputation in the gamer circle i believe:
The phenom II x4 955 can go up to DDR3 PC3-10600 (Socket AM3 only)...100% sure
What's confusing is that on the site above they call it DDR3 PC3-10666 and there is no such ram on earth, i guess it's a typo
DDR3-1066 (name: PC3-8500, freq: 533Mhz, real freq: 133Mhz, throughput : 8/5 Gb/s)
DDR3-1333 (name: PC3-10600, freq: 666Mhz, real freq: 166 mhz, thoughput: 10,7 Gb/s)
There are other types but i believe i must pick one between these two
DDR3 1600 is probably the sweet spot for general applications. Going faster costs a lot more and delivers very little improvement.
The following tests were run on an Intel Sandy Bridge CPU but the relative differences for AMD processors won't be much different:
The second pass of x264 shows almost no scaling with memory speed. A few tests show low single digit percent increases above 1600.
I think,therefore i am a hamster.
Phenom II 965, DDR3-1333 is the highest supported clock.
That said, when you read the article, on page 4 & 5 you see that the results for DDR3-1600 & 1333 are very close (I usually disregard results from diagnostic software, I prefer results from actual productivity software). Page 3 shows that the latency has more impact on performance.
The advantage of faster clock RAM is it's ability to run at lower speed with a lower latency. DDR3-1600 RAM that's rated at CAS7 should easily get CAS 6 or 5 at 1333 clock. Keep in mind to obtain those values you'll have to set them manually in the BIOS. Don't forget to set the command rate to 1T.