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G Skill 16G Choice of 3 different types.

post #1 of 23
Thread Starter 
I didn't realize there was a difference between AMD memory and Intel Memory, but w/e...

I'm trying to work out the difference between these 3 lots of RAM, my system specs are below. I'm going the 1600mhz range as I can get more per $ and I'm not sure how well the difference in mhz makes with the AMD range but feel free to enlighten me.

Which one of these should I go for? and what are the differences?

I'm guessing the difference is just the spreaders but I'm not sure.

G Skill 16G(4X4G) DDR3 1600MHZ PC3-12800 CL9(12800CL9Q-16GBZL)
Price: $108.00
300

G Skill 16G(4X4G) DDR3 1600MHZ PC3-12800 (1600C9Q-16GAO
Price: $112.00
216 (1600C9Q-16GAO


G Skill 16G(4x4G) DDR3 1600Mhz PC12800 RL 9-9-9-24(CL9Q-16GBRL)
Price: $109.00
293
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post #2 of 23

There is probably no binning difference.... each kit is probably treated with the same "grab bag the ICs" policy used by G.Skill on most kits.

post #3 of 23
Thread Starter 
is it better to get higher mhz ram on AMD systems ?
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5x 1TB, 500GB, 640GB. LG x24 Cooler Master V8 Windows 7 professional 
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post #4 of 23
1) no difference between AMD and Intel RAM imho. I've used "Intel" RAM in AMD systems with no issues whatsoever.

and 2) AMD controller responds to 1333 as it's std. but you can use whatever the Mainboard will allow as OC RAM. Meaning when you fire up your new AMD system it should be 1333 by default unless the BIOS/UEFI recognizes the RAM. If the RAM is on QVL(Qualified Vendor List) it should identify at it's proper speed. If it's not on QVL and your system POSTS, it should run at 1333 by default. You'll have to check in the BIOS/UEFI to confirm the speed of the RAM and set it if you wish it to run at binned speed. wink.gif
Quote:
Originally Posted by gcampton View Post

is it better to get higher mhz ram on AMD systems ?

It's pretty much up to the Mainboard as to whether or not you run a higher speed. If it's a good Enthusiast board yes it's better to get higher Mhz RAM if you plan to OC your CPU. The highter the multiplier the higher the speed of the RAM required. If your RAM cannot handle a higher speed that could limit your clock and limit what you can do with your CPU. wink.gif

~Ceadder smil3dbd4e4c2e742.gif
Edited by Ceadderman - 4/28/12 at 3:04am
 
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CPUMotherboardGraphicsGraphics
AMD Phenom II X6 1100T Crosshair IV Formula Sapphire Radeon HD 6870 Sapphire Radeon HD 6870 
RAMRAMRAMHard Drive
Corsair Dominator G. Skill Ripjaws X G. Skill x2 HITACHI 1TB Deskstars 1TB RAID0 
Optical DriveCoolingCoolingCooling
ASUS DRW-24B1ST  Swiftech 6950/6870 GPU Heatsink Swiftech 6950/6870 GPU Heatsink Monsoon 1/2"x5/8" PETG White Hardline tubing. 
CoolingCoolingCoolingCooling
Monsoon Economy Hardline fittings EK Dual DDC V2 top Swiftech Pump DDC-1T (2) Liquid Fusion V Double helix Reservoir 
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Yate Loon 120x20 (D12SM-12C) Medium Speed Silen... EK Supreme HF Classified EK Thermosphere GPU Block EK Thermosphere GPU Block 
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Win7 64 bit Ultimate OEM Asus VH222H Black HDMI Widescreen Logitech the OCZ went buhbye adios. Don't know ... Corsair CMPSU HX 850w Modular 
CaseMouseMouse PadAudio
HAF 932 Logitech g9x COOLER MASTER Weapon of Choice: M4 Duramesh Pad Logitech X-240 2.1 speakers 
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post #5 of 23
Quote:
Originally Posted by gcampton View Post

is it better to get higher mhz ram on AMD systems ?

For the FX CPU, yes. Get the highest rated memory you can.You can always tighten down the timings at a lower frequency if your particular motherboard or chip throws a hissy fit. My mobo kind of limits me to around DDR3-2000CL8 for a 24/7 clock if using 2x4GB. For 4x4GB I run around 1600MHZ or so.

Only a couple people know this, but I was able to boot up windows with my FX-4100 and my RipjawsX at DDR3-2600 on an ASUS mobo. Although unstable enough for CPU-Z validation, it could have probably been stabilized slightly lower with a little tinkering.
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post #6 of 23
Thread Starter 
yes I assume the Mobo is fine. The current RAM is rated @ 2000mhz CL9 but I have it set at about ~1600mhz (1580mhz) and it reduces the timings automatically to 7-8 CL.

So I might just spend the extra $30 and get 1866mhz that way can run it at either 1333 or 1600 and reduced timings.
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CPUMotherboardGraphicsRAM
AMD Phenom II X6 1045T GA-890GPA-UD3H Radeon HD 5770 G. Skill 16G(4x4G)DDR3 1866Mhz  
Hard DriveOptical DriveCoolingOS
5x 1TB, 500GB, 640GB. LG x24 Cooler Master V8 Windows 7 professional 
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LG 23" widescreen Compaq 21" widescreen Thermaltake Toughpower 675W Antec 300 
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CPUMotherboardGraphicsRAM
AMD Phenom II X6 1045T GA-890GPA-UD3H Radeon HD 5770 G. Skill 16G(4x4G)DDR3 1866Mhz  
Hard DriveOptical DriveCoolingOS
5x 1TB, 500GB, 640GB. LG x24 Cooler Master V8 Windows 7 professional 
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LG 23" widescreen Compaq 21" widescreen Thermaltake Toughpower 675W Antec 300 
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post #7 of 23
Quote:
Originally Posted by gcampton View Post

yes I assume the Mobo is fine. The current RAM is rated @ 2000mhz CL9 but I have it set at about ~1600mhz (1580mhz) and it reduces the timings automatically to 7-8 CL.

So I might just spend the extra $30 and get 1866mhz that way can run it at either 1333 or 1600 and reduced timings.

You should be able to underclock your current RAM but why would you want to? Frequency should run faster than CL. mellowsmiley.gif

~Ceadder smil3dbd4e4c2e742.gif
 
CPUMotherboardGraphicsGraphics
AMD Phenom II X6 1100T Crosshair IV Formula Sapphire Radeon HD 6870 Sapphire Radeon HD 6870 
RAMRAMRAMHard Drive
Corsair Dominator G. Skill Ripjaws X G. Skill x2 HITACHI 1TB Deskstars 1TB RAID0 
Optical DriveCoolingCoolingCooling
ASUS DRW-24B1ST  Swiftech 6950/6870 GPU Heatsink Swiftech 6950/6870 GPU Heatsink Monsoon 1/2"x5/8" PETG White Hardline tubing. 
CoolingCoolingCoolingCooling
Monsoon Economy Hardline fittings EK Dual DDC V2 top Swiftech Pump DDC-1T (2) Liquid Fusion V Double helix Reservoir 
CoolingCoolingCoolingCooling
Yate Loon 120x20 (D12SM-12C) Medium Speed Silen... EK Supreme HF Classified EK Thermosphere GPU Block EK Thermosphere GPU Block 
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Win7 64 bit Ultimate OEM Asus VH222H Black HDMI Widescreen Logitech the OCZ went buhbye adios. Don't know ... Corsair CMPSU HX 850w Modular 
CaseMouseMouse PadAudio
HAF 932 Logitech g9x COOLER MASTER Weapon of Choice: M4 Duramesh Pad Logitech X-240 2.1 speakers 
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CPUMotherboardGraphicsGraphics
AMD Phenom II X6 1100T Crosshair IV Formula Sapphire Radeon HD 6870 Sapphire Radeon HD 6870 
RAMRAMRAMHard Drive
Corsair Dominator G. Skill Ripjaws X G. Skill x2 HITACHI 1TB Deskstars 1TB RAID0 
Optical DriveCoolingCoolingCooling
ASUS DRW-24B1ST  Swiftech 6950/6870 GPU Heatsink Swiftech 6950/6870 GPU Heatsink Monsoon 1/2"x5/8" PETG White Hardline tubing. 
CoolingCoolingCoolingCooling
Monsoon Economy Hardline fittings EK Dual DDC V2 top Swiftech Pump DDC-1T (2) Liquid Fusion V Double helix Reservoir 
CoolingCoolingCoolingCooling
Yate Loon 120x20 (D12SM-12C) Medium Speed Silen... EK Supreme HF Classified EK Thermosphere GPU Block EK Thermosphere GPU Block 
OSMonitorKeyboardPower
Win7 64 bit Ultimate OEM Asus VH222H Black HDMI Widescreen Logitech the OCZ went buhbye adios. Don't know ... Corsair CMPSU HX 850w Modular 
CaseMouseMouse PadAudio
HAF 932 Logitech g9x COOLER MASTER Weapon of Choice: M4 Duramesh Pad Logitech X-240 2.1 speakers 
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Sunbeam Rheosmart 3 Creative X-Fi 
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post #8 of 23
Quote:
Originally Posted by Ceadderman View Post

You should be able to underclock your current RAM but why would you want to? Frequency should run faster than CL. mellowsmiley.gif
~Ceadder smil3dbd4e4c2e742.gif

You are correct that lower latencies with higher RAM frequencies @ ~1333+ MHz. results in almost no real gains as the real time of one clock cycle decreases as frequency increases. Under-clocking the RAM sometimes allows higher CPU speed which nets far more performance gains in real applications than either lower latencies or higher frequencies above ~1333 MHz. for the RAM. Independent testing by Tom's Hardware, AnandTech, X-Bit Labs and OCN's "damric" confirm there is no significant gains in real world applications above ~1333 MHz. RAM frequency on typical AMD and Intel desktop PCs. This is because DDR3 @ ~1333 MHz. is not a system bottleneck like slower DDR and DDR2 was.

AMD Llano APUs are the exception as the GPU can benefit from higher RAM frequency.

http://www.overclock.net/t/1237178/is-o-cing-my-ram-worth-the-trouble/10#post_16866022

As far as the OP's question: They are all 1600 MHz., CL9 so the likely only difference is the heat sinks. Top mounted heatsinks are not needed on DDR3 RAM as it does not run hot. Any of those should work fine.
Edited by AMD4ME - 4/28/12 at 1:14pm
post #9 of 23
Between those ? Pick the ones you like.
post #10 of 23
Quote:
Originally Posted by Xenthos View Post

Between those ? Pick the ones you like.

Exactly thumb.gif
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