which ram would be better to upgrade this build

darkwolf383 · Mar 8, 2016

CPU : AMD A8-7650K with R7 IGPU
CPU Cooler: SpinVQT
Motherboard: MSI A78M-E35 Micro ATX FM2+ Motherboard
Memory: Patriot Intel Extreme Master, Limited Ed 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM
Case: Cooler Master HAF 932 AMD Limited Edition ATX Full Tower Case
Power Supply: Kingwin Lazer 1000W 80+ Bronze Certified Semi-Modular ATX Power Supply
Os: Windows 10 64 bit home (Full edition)
Monitor: Samsung S19A200NW 19.0" Monitor

Max supported ram speed is 1866 and I know faster ram with lower CL is best for amd apu chips but what i am wondering is if the would be better to just get the 16gb of ram since its only like 1ns slower then the 8gb kit of ram both are gskill ram

G-Skill DDR3 1866 (PC3 14900) $50
Timing 8-9-9-24 Cas Latency 8 Voltage 1.5V

or

G-Skill DDR3 1866 (PC3 14900) $65
Timing 9-10-9-28 Cas Latency 9 Voltage 1.5V

computer is used for mild gaming some mmos, trove, etc nothing to crazy.

Thanks Guys.

smorizio · Mar 8, 2016

if it the aires or other named ram from gskill then the 50 ram should be fine if it hs the life time warranty. there older non heat sink and ripjaw ram is not that good and i would not use it.

joex444 · Mar 9, 2016

An 8GB DDR3-1600 to 8GB DDR3-1866 is a terrible upgrade. You'd be better off spending the $50 on a GPU that pairs with the APU.

The 16GB upgrade makes sense, though, but it makes sense due to the capacity component of the upgrade. If you're looking to move to DDR3-1866 @ 9-10-9, we can derive a quantity to represent the performance of this memory. That would be 1866 / ( (9+10+9) / 3 ) which is 200 (199.3 to be pedantic). Now your current RAM is DDR3-1600 so in order to have that same performance number you'd need to have lower timings. Namely, your average timings must 1600/200 = 8. So if you had DDR3-1600 @ 8-8-8 the DDR3-1866 @ 9-10-9 is the same performance just 16GB vs 8GB. The DDR3-1866 @ 8-9-9 is a bit better, but since it's still 8GB I'd put the money into a GPU rather than the memory, even if that means just saving it for the time being.

darkwolf383 · Mar 9, 2016

i forgot to put the patriot intel ddr3 1600 ram states that it is 10-11-10-30 with amd and 9-9-9 24 thru xmp with intel cpu also forgot that one of my friends wants the intel ram for his intel system so offered me $40 for it so it the reason for considering the upgrade to 1866 also according to amd you have to run 1866 Mhz ram minimum to enable hybrid crossfire so would still have to upgrade the ram to h-crossfire with a r7 240 2gb ddr3 edition.

Tradesman1 · Mar 9, 2016

Would help to know the models you are looking at, the faster 1866 (8-9-9-24) set is probably the Trident X, or one of the Ripjaws sets (either X or Z), all would be good choices for AMD (I prefer the X over the Z Ripjaws, the X have slightly better secondary timings for dual channel).

darkwolf383 · Mar 9, 2016

both are ripjaw x models

http://www.newegg.com/Product/Product.aspx?Item=20-231-615#close 16 gb

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231538&Tpk=N82E16820231538 8gb kit

Tradesman1 · Mar 9, 2016

The 1866/8 would be the better, especially with an APU

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