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Thread: All Memory is Not Created Equal - HyperX 2133 CL12 versus Ripjaws 2133 CL11

      
   
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    Senior Member Mr. Fox's Avatar
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    Exclamation All Memory is Not Created Equal - HyperX 2133 CL12 versus Ripjaws 2133 CL11

    I already knew (or so I thought) that gains or losses from different memory speeds and timings made only a small difference in real-world performance, but the allure of something faster is a hard bug to shake. I grabbed some G.SKILL Ripjaws 2133 CL11 memory to replace my Kingston PnP 2133 CL12 fully expecting to see a very modest improvement in performance for my already insanely powerful M18xR2. Unfortunately, the opposite was true. There was a substantial decrease in performance... enough to be seen and felt.

    I have used G.SKILL memory many times in the past and it has always been great. The Ripjaws was 100% compatible and rock-solid stable. It booted with no BIOS adjustments (all "auto" settings) and ran at advertised speed without any drama. The decline in performance was a disappointment, but NewEgg issued an RMA promptly. I am sharing the results so nobody else makes the same mistake. The images in the album below speak louder than words.

    Tests were run repeatedly to confirm there was no anomaly. All BIOS settings were identical between the different brands. I alternated HyperX > Ripjaws > HyperX > Ripjaws and the differences were consistent in all tests.


    Spoiler

    Alienware M18xR2 | 3920XM | GTX 780M SLI | Dual 330W AC Adapter
    32GB 2133 | 512GB SSD RAID0 | 4TB HDD RAID0 | 250GB mSATA

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    Wem? Uns!!! svl7's Avatar
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    Very nteresting. Did you compare all the timings? Secondary and tertiary timings might not be set that well...
    BIOS / VBIOS modification requests addressed to me need to be posted here: BIOS / VBIOS modification request thread (svl7)

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    Quite some difference indeed.... thanks for sharing. Did you try to reset BIOS defaults and then load the XMP profile? I wonder if it might have kept some settings from the kingston configuration...
    CPU: i7 4770K | Cooling: Corsair H100i | RAM: Corsair Vengance Pro 2400 CL11 8GB | Mobo: Asus Maximus VI Extreme | GPU: 2x Gigabyte 290 OC Windforce 3x | Case: Corsair Obsidian 750D | PSU: XFX 1000W Platinum
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    Senior Member Khenglish's Avatar
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    Was the g.skill only single rank? If so that directly explains the bandwidth loss. If it's single rank then the memory sticks will only have 4 modules per side, but dual will have 8 per side.
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    gskill-ripjaws-2133-sodimm-645x361.jpg4gb-sodimm-density-645x464.jpg
    Quote Originally Posted by Khenglish View Post
    Was the g.skill only single rank? If so that directly explains the bandwidth loss. If it's single rank then the memory sticks will only have 4 modules per side, but dual will have 8 per side.
    You right. Only single rank, and that explains the speed loss. Samsung low voltage chips Samsung B-Die SDRAM package is SEC 340 K4B4G0846B HYK0.

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    Senior Member Mr. Fox's Avatar
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    Quote Originally Posted by svl7 View Post
    Very nteresting. Did you compare all the timings? Secondary and tertiary timings might not be set that well...
    Yes, all of the timings were similar to those that I set manually for enhanced performance.

    Quote Originally Posted by StamatisX View Post
    Quite some difference indeed.... thanks for sharing. Did you try to reset BIOS defaults and then load the XMP profile? I wonder if it might have kept some settings from the kingston configuration...
    Yes, I cleared the CMOS just in case because I thought that might be what was happening. There are no XMP profiles on this memory.

    Quote Originally Posted by Khenglish View Post
    Was the g.skill only single rank? If so that directly explains the bandwidth loss. If it's single rank then the memory sticks will only have 4 modules per side, but dual will have 8 per side.

    Quote Originally Posted by Klem View Post
    Click image for larger version. 

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    You right. Only single rank, and that explains the speed loss. Samsung low voltage chips Samsung B-Die SDRAM package is SEC 340 K4B4G0846B HYK0.
    Ah, I learned something new. I was not aware of this. The Kingston is 8 per side. The Ripjaws worked flawlessly, very stable... just unacceptably slower.

    hyperx.jpg

    Might have to try some of this to see how it compares to the Kingston. By having only two sticks the CR is 1, it jumps to 2 with 4 sticks and manually setting 1N mode in the BIOS with 4 sticks is less stable.

    CORSAIR Vengeance Performance 16GB (2 x 8G) 204-Pin DDR3 SO-DIMM DDR3 2133 Laptop Memory Model CMSX16GX3M2B2133C11
    Last edited by Mr. Fox; 02-19-2014 at 05:47 AM.
    Alienware M18xR2 | 3920XM | GTX 780M SLI | Dual 330W AC Adapter
    32GB 2133 | 512GB SSD RAID0 | 4TB HDD RAID0 | 250GB mSATA

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    Senior Member Khenglish's Avatar
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    @Mr. Fox also what voltage were you running the chips at? I am running 8GB sticks with the same memory chips (so I have dual rank), but am running into overheating issues at 1.5V. They also only overclock to 2000MHz at 10-10-10 even at 1.5V, so I figure I'll look into dropping the voltage some since it seems to have little impact on performance. I absolutely cannot get 2133 to run in dual channel at any timings, and that's with hardmods to increase vccsa and vccio.
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    I ordered a 16GB (2x8) kit of the Vengeance 2133 CL11 today. I noticed with 2 sticks versus 4 that the CR is 1T with both the Kingston and Ripjaws. It automatically sets itself for 1T with 2 sticks and changes to 2T with 4 sticks, so I am hoping the 2x8 CL11 Vengeance gives me at least a small bump in benchmarks compared to my 4x4 Kingston.

    The drop in 3DMark11 Physics Test is what shocked me the most. I did not expect the Physics score to take such a heavy hit from the Ripjaws memory performance. Looks like 3DMark11 Physics test is a really good one for a number of things. My 4930MX also has a hard time with it compared to the 3920XM. Now I am wondering if the DDR3L 1600 memory is holding back the 4930MX from achieving good results. I may drop the Vengeance RAM into the Alienware 18 for testing first, before I move it to the M18xR2. That should be interesting.

    Quote Originally Posted by Khenglish View Post
    @Mr. Fox also what voltage were you running the chips at? I am running 8GB sticks with the same memory chips (so I have dual rank), but am running into overheating issues at 1.5V. They also only overclock to 2000MHz at 10-10-10 even at 1.5V, so I figure I'll look into dropping the voltage some since it seems to have little impact on performance. I absolutely cannot get 2133 to run in dual channel at any timings, and that's with hardmods to increase vccsa and vccio.
    I initially ran with everything in the BIOS set to default/auto and everything worked fine other than low performance. I changed to manual settings and 1.60V, then 1.65V and all of the performance tests were identical... same low performance regardless of voltage. It runs at 1.50V in the M18xR2 by default, There is no lower voltage option. There did not seem to be any memory overheating issues. I did try to tighten up some of the timings to improve the performance and it did not change anything.
    Last edited by Mr. Fox; 02-19-2014 at 09:16 AM.
    Alienware M18xR2 | 3920XM | GTX 780M SLI | Dual 330W AC Adapter
    32GB 2133 | 512GB SSD RAID0 | 4TB HDD RAID0 | 250GB mSATA

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    Alienware M17x R2 | XPS 15 L521x | Inspiron 15 | Inspiron M5030 | Inspiron E1505 | Dell Mini 9


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    J95
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    Last edited by J95; 02-19-2014 at 09:48 AM.
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    Senior Member Mr. Fox's Avatar
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    @J95 - even so, your 2133 RAM running at the lower 1866 CL9 is still faster than the Ripjaws was running at 2133 CL11. As @Khenglish pointed out, this is likely due to the Ripjaws being single rank. Your Vengeance is dual rank.

    I ordered Vengeance 2133 CL11 this morning from the same place as the link you posted. NewEgg has been out of stock for a while now.
    Alienware M18xR2 | 3920XM | GTX 780M SLI | Dual 330W AC Adapter
    32GB 2133 | 512GB SSD RAID0 | 4TB HDD RAID0 | 250GB mSATA

    Alienware 18 | 4930MX | GTX 780M SLI

    Alienware M17x R2 | XPS 15 L521x | Inspiron 15 | Inspiron M5030 | Inspiron E1505 | Dell Mini 9


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