Search the Community
Showing results for tags '640m'.
Found 2 results
Hi, I own gx740 with i5-430m, 4GB RAM, and I planned to do some upgrades. Currently I did: - upgrade SSD, move HDD to dvd drive space - have some unlocked bios (but didn't found usage for it currently) - have modified vbios but not sure if the values I've used are good I was thinking about: - upgrading CPU to i7-640M - upgrading RAM (not sure which will fit) I would like to also: - fix broken/cracked frame around screen, but it wont be easy and cheap I guess? - replace screen to something brighter (?) but this will probably not be worth the cost 1) What do you guys think about it? Is it even worth? 2) I've also see something like 'grain effect' moving grey stripes on same page elements (long time I remember it could be related to faulty bios/vbios)?
So... after months of wild speculating and guessing we finally have some first official numbers regarding the new mobile GPUs of Nvidia. Here the specifications listed on the official Nvidia site: GTX 660M GTX 670M GTX 675M Graphics Clock 835MHz 598MHz 620MHz CUDA Cores 384 336 384 Texture Fill Rate (billion/sec) 30.4 33.5 39.7 Memory Interface DDR3/GDDR5 DDR3/GDDR5 DDR3/GDDR5 Memory Clock 2000MHz 1500MHz 1500MHz Memory Interface Width 128-bit 192-bit 256-bit Memory Bandwidth (GB/sec) 64 72 96 Max SLI Configuration 2-Way 2-Way 2-Way 610M GT 620M GT 630M GT 635M GT 640M LE GT 640M GT 650M Graphics Clock 900MHz 625MHz 800MHz 675MHz 500MHz 625MHz 850MHz CUDA Cores 48 96 96 144 384 384 384 Texture Fill Rate (billion/sec) 7.2 10 12.8 16.2 16 20 27.2 Memory Interface DDR3 DDR3 DDR3/GDDR5 DDR3 DDR3/GDDR5 DDR3/GDDR5 DDR3/GDDR5 Memory Interface Width 64-bit 128-bit 128-bit 192-bit 128-bit 128-bit 128-bit Memory Bandwidth (GB/sec) 14.4 28.8 32 43.2 28.8 64 64 There are seven 600m series GPUs which can be considered low- to middle-end and three which are high-end.No word on the Nvidia site about which manufacturing process is being used for these chips, but the statement telling one should assume that they really shifted to 28nm only, but I want to see this confirmed before I really believe this to be true.Anyway, looking at the specs of Nvidias new mobile flagship, the GTX 675m I can't help but to think that they just shrinked the fermi architecture... the specs and clocks are identical to the 580m. They might also have messed up the numbers they put on the site, it just seems unlikely that all GPUs from the 640m up to the 675m all have the same core count (except for the 670m).Well, I guess we will see more information in the near future, when the first systems with these GPUs are getting released. I'm definitely curious about how they perform and can't wait to see some benchmarks. Also the overclocking capability is going to be a very interesting point. So far there's no word about new features for this GPU series, so it's unclear whether the "clock boost" technology which can be found in the desktop GTX 680 will also make its way to the mobile GPUs. Here some performance graphs, also taken from Nvidias website:[ATTACH=CONFIG]3707[/ATTACH] [ATTACH=CONFIG]3708[/ATTACH] So far I'm really not that impressed, though we have yet to see the real world performance, and tbh I'm really curious about the AMD 7000m series :)