slow ram performance

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maxinf

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May 31, 2013
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10,510
system specs:

CPU: amd fx 8350
Cooler Zalman lq-310 liquid cooler
Motherboard: asrock extreme 3 970 r2.0
Ram: 2x4 gskill F3-2133C10D-8GXM 2133 mhz - latency 9 11 11 29 slots 1 and 3 dual channel
GPU: Asus r9 270x 2gb
Sound card: Sound Blaster Z
HDD: 1tb Seagate 7200 rpm
PSU: coolmaster extreme 2 725w

On performance test my ram is close to performance as that of ddr2. I notice that sometimes when opening new programs that my hdd cuts out and i have to wait a bit for the program to open. Could my ram be causing the hdd cut out? Is this ram performance normal? Should i return the ram and get one with lower latency such as 9 9 9 24 @ 1866. System #5 is amd 8150 and it performs better in memory than mine does and its on stock frequency and latency, not overclocked.

#1 - 2GB Transcend Information PC2-6400: 777
#2 - 4GB Kingston PC2-6400: 909
#3 - 8GB Samsung PC3-12800: 1882
#4 - 8GB Nanya Technology PC3-12800: 2215
#5 - 8GB Corsair PC3-10600: 1950
#6 - 16GB G Skill Intl PC3-12800: 2299
This Computer 1360

Memory - Database Operations
#1 - 2GB Transcend Information PC2-6400 :37.3
#2 - 4GB Kingston PC2-6400: 32.2
#3 - 8GB Samsung PC3-12800: 60.6
#4 - 8GB Nanya Technology PC3-12800: 70.4
#5 - 8GB Corsair PC3-10600: 71.3
#6 - 16GB G Skill Intl PC3-12800: 81.6
This Computer: 48.7

Memory - Read Cached
#1 - 2GB Transcend Information PC2-6400: 9691
#2 - 4GB Kingston PC2-6400: 11515
#3 - 8GB Samsung PC3-12800: 19018
#4 - 8GB Nanya Technology PC3-12800: 25256
#5 - 8GB Corsair PC3-10600: 22911
#6 - 16GB G Skill Intl PC3-12800: 26481
This Computer: 15496

Memory - Read Uncached
#1 - 2GB Transcend Information PC2-6400: 5347
#2 - 4GB Kingston PC2-6400: 5233
#3 - 8GB Samsung PC3-12800: 10996
#4 - 8GB Nanya Technology PC3-12800 : 13563
#5 - 8GB Corsair PC3-10600: 11112
#6 - 16GB G Skill Intl PC3-12800: 12927
This Computer 6695

Memory - Write
#1 - 2GB Transcend Information PC2-6400: 2190
#2 - 4GB Kingston PC2-6400: 2806
#3 - 8GB Samsung PC3-12800: 8384
#4 - 8GB Nanya Technology PC3-12800 : 9343
#5 - 8GB Corsair PC3-10600: 7800
#6 - 16GB G Skill Intl PC3-12800: 9233
This Computer 5187

Memory - Available RAM
#1 - 2GB Transcend Information PC2-6400: 1296
#2 - 4GB Kingston PC2-6400: 3103
#3 - 8GB Samsung PC3-12800: 6853
#4 - 8GB Nanya Technology PC3-12800 : 6350
#5 - 8GB Corsair PC3-10600: 7874
#6 - 16GB G Skill Intl PC3-12800: 9500
This Computer: 6002

Memory - Latency
#1 - 2GB Transcend Information PC2-6400: 43.4
#2 - 4GB Kingston PC2-6400: 54.0
#3 - 8GB Samsung PC3-12800: 30.1
#4 - 8GB Nanya Technology PC3-12800 : 26.8
#5 - 8GB Corsair PC3-10600: 35.7
#6 - 16GB G Skill Intl PC3-12800: 28.9
This Computer: 59.1

Memory - Threaded
#1 - 2GB Transcend Information PC2-6400: 6096
#2 - 4GB Kingston PC2-6400: 7201
#3 - 8GB Samsung PC3-12800: 17650
#4 - 8GB Nanya Technology PC3-12800 : 20705
#5 - 8GB Corsair PC3-10600: 15978
#6 - 16GB G Skill Intl PC3-12800: 18714
This Computer: 21293
 
Solution
juanjostorreshernndez

Then I recommend to take a look at the QVL! and pick a good brand4GB 2x4GB 1866mhz dual channel kit from Corsair, Kingstone, Crucial, G.skill,etc.. listed on there.

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juanjostorreshernndez

juanjostorreshernndez

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Sep 15, 2012
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are you sure they are really running at nominal speeds(2133mhz) ?, cause they seem to be working at 1333mhz speeds performance.
Related to brand, G.Skill is one of the best RAM OEM out there.
So watch your bios settings, or run some software like AIDA64 to see what speed they are really working at. ( latency option in performance section).
Also a FX-8150 is not better in any way than your FX-8350
 
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maxinf

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May 31, 2013
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10,510
Yes they are running at 2133 MHz according to my bios and AIDA 64. If my ram was really running at 1333 MHz than the threaded performance would we below the reference systems. So should i get new ram sticks? Does anyone have any recommendations on good performing ram? My PC performs better in all other benchmarks except memory.
 
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juanjostorreshernndez

juanjostorreshernndez

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Sep 15, 2012
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Maybe you have the way of testing another pair of RAM sticks on your mobo(from a friend for instance), or testing your memories on another PC for a diagnostic before you make a decition of getting others.

 
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maxinf

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May 31, 2013
10
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10,510
well i tried another set of ram form my old computer ddr3 1333mhz G.SKILL F3-10666CL9D-16GBXL latency 9 9 9 24 and it yielded close to the same result with a score of 1290 mind you the latency score was higher than my current set with a score of 79.9 vs 59.1. I have tried switching slots but it does not affect anything.
 
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maxinf

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May 31, 2013
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10,510
So what would be a good dual channel set to put in my system?

It would be greatly appreciated if someone who has a similar motherboard or experience with amd products could put their input on this.

Thanks for your help Juan, but it appears that the ram i got does not go well with my system.
 
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M

maxinf

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May 31, 2013
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10,510
Ok well i tested the ram in my old computer with a Pentium g620, memory downclocked to 1066 as that the limit with the processor. The ram scored 25 points lower than my old 1333 mhz gskill 8gbx2. I find it hard to believe that it could be my mobo because all other component benchmarks perform exceptionally well. If it is my mobo how can i test the memory controller?
 
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M

maxinf

Honorable
May 31, 2013
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10,510
This mother board is fairly new as it was manufactured in October of 2013. There is no bios update for this board on the as rock website.

Right now I am running memtest to see if there is any errors. So far 1hr and 48 minutes in, there are no errors. I am going to run it all night to see if there is anything wrong, but i think that this ram set is incompatible with my motherboard
 
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juanjostorreshernndez

juanjostorreshernndez

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Sep 15, 2012
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Then I recommend to take a look at the QVL! and pick a good brand4GB 2x4GB 1866mhz dual channel kit from Corsair, Kingstone, Crucial, G.skill,etc.. listed on there.

 
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