2400Mhz vs 1866Mhz - With stuttering & without

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I have the super cheap...

TeamGroup Xtreem LV "Frost Edition" 8GB (2x4GB) DDR3 PC3-19200C10 2400MHz Dual Channel Kit

And have been running it at 2400Mhz. After speaking to Delpy about his file server with the 2400Mhz RAM I thought I'd play around with it slightly to see how much I could reduce the temperature of the VRM by reducing the speed.

I left the Profile on XMP1 but changed the speed to 1866Mhz. So it's still 10-12-12-31 Timings @ 1.60-1.65v.

Well it seems that I no longer experience strange 'slow downs'... which seem to be lag during World of Tanks. The framerate experience is much smoother. I had pin pointed where the slow-downs and lag would occur when driving past the corner or a house. Driving past the corner of a house, seeing two faces of the cube, everything was smooth, then as soon as one of the walls disapeared and I could only see one face there was a split second of increased speed in visual frames. Not framerate... but it was as if the game was fast-forwarding for a split second. It's very strange.

This also happened in WarThunder when I overclocked the graphics card memory to an excessive speed. The camera rotates around the tank and at strange angles it seemed to speed up and slow down.

Has anyone else had these troubles?
 
That just sounds like normal net lag, or stuttering which i often get in WOT usually at the begining of a battle.
But i guess yours is different and if it doesnt do it with slower ram speeds could be the cause.
If you want to run 2400mhz then try a touch more voltage on the ram and imc/vtt if your running Intel.
 
Not a lot to go on as don't even have your system details, in fact it's nothing to go on :p


Could be a number of reasons, as above IMC volts may need increasing or CPU load line cal might need to up a level. There shouldn't be any hitching when running 2400 memory in games. There is no bottleneck there to speak of
 
I thought this might be a 'common' thing... anyway...

It doesn't seem to be net lag... As I can make the effect repeat itself on demand when I move past the corner of a building during on particular game. My Ping is usually 20-30ms on EU2 and the phenomenon still appears. It feels like a graphics problem. I managed to increase the RAM on my graphics card by around 350 mhz and this penomenon appreared in WarThunder.

The RAM is running the XMP 1 settings, so it's already sucking on 1.6v

My machine is an i7 4770k @ 4.6Ghz (only raise the multiplier) 1.45V for stability. Uncore @ 4.4Ghz.
Permenantly in boost.
It's been de-lidded and lapped and is kept cool by a H100i.
ASUS ROG Maximus VII Hero z97 board, with the RAM as described previously.
Graphics card is a Gigabyte 780Ti Ghz Edition.

I haven't fiddled with any of the settings in the BIOS apart from the CPU Voltage. I used the auto ASUS nonsense to set the speed to 4.6Ghz. So it's whatever the Auto OC decided to set it to.

I'll give the IMC and load line a wee increase.
 
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OK, well I've had a wee session fannying around... it seems that World of Tanks really ****ing hates, the Uncore clock being lower than the Max CPU.

I've set both the Uncore Multiplier and the CPU Multiplier to 46, Ram back to DDR-2400 and the single slow-down is only at the start of a game. The trees fall in a smooth fashion, explosions look nicer... It's all looking gorgeous compared to the Lower 4.4Ghz Uncore previsouly. I'm still getting this strange slow-down for a second but it's usually at the start of each battle and never happens throughout the game like it was previously. GTA-V has also be a lot more stable, it's never crashed since I upped the Uncore Multiplier to 46. Woohoo!

Time to work on 4.8 all round.
 
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