How Good Is My 3GB NVIDIA GeForce GT 555M Graphics Card On My Dell XPS

http://www.notebookcheck.net/NVIDIA-GeForce-GT-555M.41933.0.html

Scroll down to the part of the page regarding Benchmarks with comparisons to other Mobile Graphics Cards.

Overclocking the GPU maybe available through software like MSI Afterburner but be very cautious as overclocking within laptops is not recommended due to heat issues and may reduce the life expectancy of the hardware.

The 3GB part will have very little difference compared to a 2GB or 1GB GT555M.
 
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mejobloggs said:
Is there any comparisons around showing how much higher bandwidth for 3gb version affects performance?
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I thought it was unnecessarily excessive to have the 3GB on my XPS 17 GT555M but then I read about the GTX560M with 1.5GB or 2GB and the 1.5GB was said to be 15% faster than the 2GB because of having three memory channels compared to only two memory channels with the 2GB.

For 1.5GB it's 3 x 512MB making three memory channels, for 2GB it's 2 x 1GB making only two memory channels and for the 3GB GT555M in the XPS 17 it's 3 x 1GB.

I remember from desktop graphics 128-bit vs 256-bit and the 256-bit were always faster. It's like that except in this case it's 128-bit vs 192-bit.

I only found out about it because ScottiB posted about it here:

http://forums.overclockers.co.uk/showthread.php?p=20585893
 
Dead_Assassin said:
Sound like the 3GB NVIDIA GeForce GT 555M is pants then lol lol
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It plays RAGE and NFS:The Run perfectly at 1080p and for me to top it off my 3D 120Hz screen is well worth it because even with vsync off there hasn't been any tearing.

I got rid off NFS:The Run though because it's gameplay is pants lol.
 
I see in Notebookcheck they also states that the GT555M in the XPS 17 is only DDR3 whereas the MSI GX780's GT555M is GDDR5! Its no wonder the XPS has had more memory put in it and upped it to 192bit to compensate.

They benchmarked 3DMark 06 on two different GT555M's (one with GDDR5 the other with DDR3) and the DDR3 got 8857 points and the GDDR5 got 13000 :eek:
 
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For what its worth its around 10-15% faster than my GTX260m which is identical spec to a desktop 9800GT 1Gig... still comfortably plays pretty much every game out at 1680x1050 with fairly decent settings.

RE DDR3 v DDR5 it shouldn't really need DDR5 to performance as well as the core can, I'm guessing the DDR3 versions has a cheapy low bit wide interface or clockspeeds or something :S
 
area512003 said:
I see in Notebookcheck they also states that the GT555M in the XPS 17 is only DDR3 whereas the MSI GX780's GT555M is GDDR5! Its no wonder the XPS has had more memory put in it and upped it to 192bit to compensate.

They benchmarked 3DMark 06 on two different GT555M's (one with GDDR5 the other with DDR3) and the DDR3 got 8857 points and the GDDR5 got 13000 :eek:
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Yeah it's definitely DDR3 for the L702x.

I looked at the notebookcheck website and it shows the following:

XPS 17-L702X
CPU: 2630QM
RAM: 4GB
GT555M Core clock / Memory clock / Memory size & type: 590 / 900 / 3072MB DDR3
Nvidia drivers: 265.94
3DMark 06 score: 11110

GX780R
CPU: 2630QM
RAM: 16GB
GT555M Core clock / Memory clock / Memory size & type: 709 / 625 / 1024MB GDDR5
Nvidia drivers: 266.39,
3DMark 06 score: 13033

The GX780R core clock is 119 MHz higher than the L702x which is ~20% higher but the difference between the 3DMark 06 scores is only ~17%. :)
 
str said:
It plays RAGE and NFS:The Run perfectly at 1080p and for me to top it off my 3D 120Hz screen is well worth it because even with vsync off there hasn't been any tearing.

I got rid off NFS:The Run though because it's gameplay is pants lol.
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And it plays Skyrim without any difficulty :D

I'll be giving Fable 3, and the Witcher 2 a bash over the weekend. Will report back with how they ran.
 
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