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Intel Pentium G3258 Performance and Owners Club NOW with GTX 970 - Page 74

post #731 of 4581
I don't think the G3258 will bottleneck any CPU.
I just paired it up with an GTX 770 Herculez card and it seems to.. ROCK.

I compaired it to an old 3Dmark bench since the 770 is a spare part but...

This is the 770 paired with an i7 2700K @ 4.7GHZ, this is one of my own results. The total score is offcourse higher, the i7 has more than double the physics score BUT the i7 pushes the 770 to an GPU score of 8576
http://www.3dmark.com/fs/644095

Just did a fresh bench with the same 770 and the G3258 @4.6ghz and... GPU score is 9186
http://www.3dmark.com/fs/2540643

Offcourse over the time there have been new drivers and stuff but G3258 pushes the overclocks on this 770 stil beyond stock 780 performance and it handles every overclock on the 770 with increase in fps and score untill the 770 cant take more overclocking.

So in my experience with this chip it can handle fast GPUs very well smile.gif
From all 3Dmark results with a G3258 (3dmark notes it as G3420) i am currently ranked #11 between Radeon R9 290x cards lol so the Pentium is really pushing the 770
Edited by jezzer - 8/3/14 at 1:01pm
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post #732 of 4581
Quote:
Originally Posted by blazeops View Post

Hey all. I am new to the community and pretty new to OCing. My Q6600 rig went down so I excitedly picked up the G3258 bundle from Microcenter.

So far here is where my OC is at 4.5Ghz @ 1.310V:

CPU ratio: 45
CPU uncore ratio: 32
Vcore: 1.310V
VRIN: 2.000V
Ring: Auto
XMP: Disabled
Everything else Auto

My temps using a CM Hyper 212 EVO w/ stock fan:
Idle: 36 C
Load (IBT): 76C
Load (TF2): 64 C

Passed 10 passes of IBT @ Very High. I will run Prime95 tonight. If stable, I will work on bringing down the vcore. I also picked up two Noctua NF-F12 fans that I will test out in a push/pull config when I am stable.

I'v got the same setup, i'm running mine at 4.5Ghz at 1.7V. Let us know if you get that voltage down, il be curious to see how low it can get.
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post #733 of 4581
guys what is cpu uncore
post #734 of 4581
OC stability check update

4.3 Ghz using 1.325 Vcore now passed 10 runs of Intel Burn Test using Very High sress level

I think the culprit of my failed attempts before was the VccIN and the VccIN LLC. Now, VccIN is set to 2.000 V and VccIN LLC is set to High

Testing right now 4.3 Ghz using 1.315 Vcore. VccIN still set to 2.000 V and VccIN LLC still set to High

DRAM speed is set to 2,133 Mhz. Timings and DRAM voltage left to Auto


Any thoughts on this, guys ?
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post #735 of 4581
Quote:
Originally Posted by TopicClocker View Post

I'd say it can bottleneck, but it really depends on the game to be honest and amount of GPU-power you're throwing at it, and what min frames you find acceptable for something like Battlefield 4 or Planet Side 2 in really CPU intensive situations etc.

Mantle should really come in handy. Would it stand with 2 290X's or standard 290's in cfx?
post #736 of 4581
Quote:
Originally Posted by TPCbench View Post

OC stability check update

4.3 Ghz using 1.325 Vcore now passed 10 runs of Intel Burn Test using Very High sress level

I think the culprit of my failed attempts before was the VccIN and the VccIN LLC. Now, VccIN is set to 2.000 V and VccIN LLC is set to High

Testing right now 4.3 Ghz using 1.315 Vcore. VccIN still set to 2.000 V and VccIN LLC still set to High

DRAM speed is set to 2,133 Mhz. Timings and DRAM voltage left to Auto


Any thoughts on this, guys ?

Vccin is NOT the culprit.. trust me.. 1.7-1.9 is plenty.. it's only a problem for 4.8 and beyond on quadcores


uping the vccin that high, just gives you more heat.. and doesn't help open up clocks.
post #737 of 4581
Thread Starter 
Quote:
Originally Posted by Arshdeep View Post

Mantle should really come in handy. Would it stand with 2 290X's or standard 290's in cfx?
Indeed, I would love to try this chip out on a R9 280 and Battlefield 4.
Hmm I'm not sure, It would likely help alleviate CPU bottlenecking but I'm unsure of how it would handle two 290 cards.

Quote:
Originally Posted by Kokumotsu View Post

guys what is cpu uncore

I believe it's the cache clock, sometimes referred to as the Cache ratio in the bios.
It's like a separate clock from the CPU which can have a positive effect on the CPU's performance, but not as much as the actual clock speed.
Here's a thread with some more information on this by Sin0822: The Gigabyte Z87/Haswell Overclocking(OC) Guide

This quote is from "Haswell’s Domains" this section is near the top of the thread.
Quote:
To better support overclocking Intel decided to separate the frequency domains and bring back a few things from X58 and X79. The first is the BCLK divider (Gear Ratio), these are used to increase the BCLK by a large enough amount to help use lower multipliers (especially memory). They also brought back control over the Ring/Uncore/Cache domain which will allow you to increase or decrease the Uncore frequency which is directly tied to the cache and ring bus frequency. On Ivy Bridge and Sandy Bridge the cache/uncore ran at the same speed as the CPU, however with Haswell the cache has twice the bandwidth, and it doesn’t need to be as high as the CPU speed to un-bottleneck the CPU’s performance. Having control over the uncore helps a lot when trying to reduce instability when overclocking CPU or Memory.
Now we should cover the basic voltage limits of Haswell, they are contained in the following table:
post #738 of 4581
Quote:
Originally Posted by 1iwilly View Post

I'v got the same setup, i'm running mine at 4.5Ghz at 1.7V. Let us know if you get that voltage down, il be curious to see how low it can get.

You're running 1.7v???
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post #739 of 4581
Quote:
Originally Posted by tp4tissue View Post

Vccin is NOT the culprit.. trust me.. 1.7-1.9 is plenty.. it's only a problem for 4.8 and beyond on quadcores


uping the vccin that high, just gives you more heat.. and doesn't help open up clocks.

For VccIN, I have already tried 1.7 to 1.9 V but with LLC set to Auto.

4.3 GHz would crash even at 1.350 Vcore


By the way, here is the latest stable BIOS settings I am using

CPU ratio = 43
CPU uncore ratio = 32
VccIN = 2.000 V
VccIN PLL = High
Vcore = 1.315 V
Ring voltage = Auto
DRAM speed = 2,133 MHz
DRAM timings = Auto
DRAM voltage = Auto

I will try again 1.7 to 1.9 V for VccIN with LLC set to High
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post #740 of 4581
Quote:
Originally Posted by tp4tissue View Post

Vccin is NOT the culprit.. trust me.. 1.7-1.9 is plenty.. it's only a problem for 4.8 and beyond on quadcores
Quote:
Originally Posted by TPCbench View Post

For VccIN, I have already tried 1.7 to 1.9 V but with LLC set to Auto.

4.3 GHz would crash even at 1.350 Vcore


By the way, here is the latest stable BIOS settings I am using

CPU ratio = 43
CPU uncore ratio = 32
VccIN = 2.000 V
VccIN PLL = High
Vcore = 1.315 V
Ring voltage = Auto
DRAM speed = 2,133 MHz
DRAM timings = Auto
DRAM voltage = Auto

I will try again 1.7 to 1.9 V for VccIN with LLC set to High


TRy not running 2133 for now..

step down to 1600 and cl 10 10 10 30.. temporarily. until you can definitively find the required core voltage..

because Cpu might have say, a weak memory controller, and you won't really know that it's affecting the CORE overclock until you rule it out..


Core clock is better than memory OC any day of the week.. so... yea..
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