Ram 800MHz + 1330 Mhz?

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K

kamenkr

Commendable
Jan 12, 2017
6
0
1,510
Hello! I have curently 8.00GB Single-Channel DDR3 @ 798MHz (9-9-9-24) . I am wondering if it will work better with one 4GB 1Rx8 PC3L 12800U 11-11-A1 DDR4. Thank you!
 
Solution
CountMike
It's never good idea to mix memories, specially not with different specifications. They may be same speed but have different latency, your present one has (9-9-9-24) and new proposed one has 11-11-11. Higher latency RAM is slower. Best bet is to find identical RAM and even that it's not 100% sure they would be totally compatible and work in unison.
8GB should be quite enough for that system though. If you want real improvement, best bet would be 2 x 8GB of 1866 or 2333MHz RAMs.
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K

kamenkr

Commendable
Jan 12, 2017
6
0
1,510
Nice, but how do you know it is running at 1600 Mhz when it says that its 798 MHz? My mother board is Manufacturer ASRock
Model FM2A55M-HD+ (CPUSocket)
Chipset Vendor AMD
Chipset Model K15 IMC
Chipset Revision 00
Southbridge Vendor AMD
Southbridge Model A55 FCH

do you think it can take it? Thanks!
 
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CountMike

CountMike

Titan
Oct 31, 2015
33,812
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It's DDR memory. DDR = Double Data Rate. Writes and reads at same time so whatever you see as some programs report it as, you're supposed to multiply by 2.
That system is sentenced to DDR3 only but can take up to 2333MHz DDR3. That could help a bit if you are using APU processor without a dedicated GPU card.
 
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K

kamenkr

Commendable
Jan 12, 2017
6
0
1,510
Thats very interesting! So if i choose this will fit and will be very good - Ramaxel 4GB 1Rx8 DDR3 1600 (PC3 12800) PC3L 12800U 11-11-A1 DDR3 ? Will it communicate good with my old one?
 
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CountMike

CountMike

Titan
Oct 31, 2015
33,812
3,166
147,990
It's never good idea to mix memories, specially not with different specifications. They may be same speed but have different latency, your present one has (9-9-9-24) and new proposed one has 11-11-11. Higher latency RAM is slower. Best bet is to find identical RAM and even that it's not 100% sure they would be totally compatible and work in unison.
8GB should be quite enough for that system though. If you want real improvement, best bet would be 2 x 8GB of 1866 or 2333MHz RAMs.
 
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Solution
K

kamenkr

Commendable
Jan 12, 2017
6
0
1,510
That gives me the solution for my question, for which I am very thankful! But to continue the conversation I have low fps in World of Warcraft on Ultra (15), which i dont like. Saw that 6,5 MB RAM is being used and thought I must remove it, because its the main problem (which might me not very true). My video is AMD Radeon R7 Graphics, AMD A8-7600 (4 Core) - Processor and the RAM. If we trust what you say and the RAM is good, which component would be bad abd must be changed then?
 
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