G51VX-RX05 CPU Upgrade - Question

Hey guys,

This very well could have been answered already in another forum, if so I appoligize I did try and search first.

With my G51Vx-RX05 (Best Buy) warantee now up and no longer good. I would like to upgrade the CPU as the whole computer bottle necks w/ it.

I cannot find any information on what motherboard I have in my laptop and was hoping someone knowledgable could either let me know what model motherboard i have or list out acceptable CPU upgrades that I can put in. The quad core would be nice, but i keep seeing mixed answers on whether or not i can move up to that, im thinking not.

Thank you!

 

No quads for you. The Best Buy models (anything with -RX in the designation) are dual-core only. You can run a T9600.

 

Just get a T9900 on ebay, its the best chip you can get for the G51rx and it's really fast. I had a G51rx and put the T9900 in it when I got a great deal on the hp parts website. You can get new and used T9900 on ebay for around $300 or less. Or you could just sell your laptop and buy a new laptop. Even the T9900 is going to start showing it's age very soon.

Just a side note, the difference between the t9900 and P7350 is significantly large and would be a worthy upgrade if you plan to hang onto your laptop for awhile. 3.06ghz vs 2.0. I was able to OC my T9900 to 3.4/3.5 for gaming very easily with SetFSB.

 

Excellent thank you guys!

T9900 it is I do plan on hanging on to it for a while, im a bit of a pack rat that way.

Cheers!

 

A T9600 is more cost effective (about half the price for 91.5% of the performance) compared to the T9900. I settled on the equivalent of the T9800 (2.93GHz) and can reach 3.518GHz comfortably using SetFSB.

You'll notice an increase in heat over the P series CPUs.

Also if you decide to go with anything but the T9900, make sure to get an E0 stepping CPU. They run cooler and can likely go faster.

 

The t9600 overclocks like a champ, so it isn't a huge loss to get one instead of a t9900.

Don't get the X / unlocked multiplier ones - waste of money.

 

Was looking at processors on ebay, a couple more questions came to mind:

The difference between X9100 and the T9900? It sounded as though the X is the extreme model of the T9900 but i wans't able to find if it was necessarily any better... Odly enough the X is cheaper.

Also, should i trust he CPU's that are being sold out of China, my gut kind of tells me not to.

Also, I was giving thought to the whole "overclocking". Currently my computer GPU sits at about 62c when idle and will get up to about 75-78c when gaming. If I do elect to overclock what will this do to the heat, I try to always keep the GPU bellow 85c and if i have a CPU in there generating a lot of heat, those GPUs are tempermental in absorbing heat. Lastly, I know some where saying that the T9600 overclock better than the T9900, but this was mixed as well during my research.

Thanks!

 

The X9100 has an unlocked multiplier so you can tweak the CPU frequency using ThrottleStop's multiplier management.

Re: X9100 vs T9900: there are a few variants of the X9100, with slightly different steppings (processor revisions). There are two versions: C0 stepping and E0 stepping. The T9900 only comes in the E0 stepping.

The X9100 SLGE7 is the exact same as the T9900 SLGKH but with an unlocked multiplier. The X9100 SLB48/SLG8M are both stepping C0, which runs hotter and won't overclock as far as an E0 stepping.

Some people will point out the X9100 has a TDP of 45W vs the T9900's 35W, but they will actually put out the same amount of heat at the same voltages and frequencies (read: TDP doesn't matter here, only steppings) Just be careful what you buy.

Personally I've had great success with overclocking the FSB with an E0 stepping CPU to +20% of its original clockspeed.

 

DTDood,

Much of that was so above my head... what did you mean when you said becareful what I buy? Also, I noticed you referenced SLGKH... i keep seeing this when looking for CPU's on ebay, but am not sure i quite understand what the difference between that or SLGEE or any of the others. Are there some that I should stay away from?

 

Ah sorry! I guess what I was trying to say was:

If you want the fastest CPU you can overclock using SetFSB, you want a T9900. Get SLGEE (don't get SLGKH! It is physically different and has no pins!)

If you want the fastest CPU you can overclock slightly further, you want an X9100. Get SLGE7. Other versions will run hotter (but may be cheaper if SLGE7 is over your budget).

If you want a decent CPU you can overclock using SetFSB that's cheaper than the T9900, you want a T9600 (SLG9F) or a T9800 (SLGES). You won't notice the difference from a T9900/X9100, except maybe in benchmarks.

 

SLGEE is 478-pin micro-FCPGA, Socket P, ZIF
SLGKH is 479-ball micro-FCBGA(soldered).

 

You guys rock, thank you!!