As Computex kicks into gear, Nvidia has added two new mobile graphics processors to its GeForce 500M family: the GeForce GTX 560M and GeForce GT 520MX. The former is a relatively high-end offering targeted at gaming notebooks—Nvidia pimps it with the tagline, "50 frames per second in Duke Nukem Forever and five hours of battery life in Microsoft Office." Meanwhile, the GT 520MX sits at the other end of the spectrum, a step above integrated graphics for thin-and-light laptops.
Nvidia's product photo for the GeForce GTX 560M shows a heatspreader that could conceal the same GF114 graphics chip as the 560M's desktop namesake. Even if that's the case, though, the 560M is pared down quite a bit, with only 192 stream processors, a 1550MHz shader speed, and a GDDR5 memory interface "up to" 192 bits wide. Slipping into the right thermal envelopes for gaming notebooks requires concessions, as always.
Nvidia nevertheless maintains that the GTX 560M is a capable gaming GPU, saying it "hits the 'sweet spot' for gaming notebooks by delivering a no-compromise gaming experience at full 1080p resolution in the hottest new DirectX 11 titles." Support for Optimus switchable graphics technology should also ensure decent battery life when the GPU isn't active.
Meanwhile, the GT 520MX looks to be based on a smaller chip, and Nvidia makes no bold claims here—merely that the 520MX has "better performance, wider support and a more advanced feature set than integrated graphics." This model features 48 stream processors, a 1800MHz SP clock, a 64-bit DDR3 memory interface, and a top memory speed of 800MHz.
You'll be able to find the GeForce GTX 560M in notebooks from Alienware, Asus, Clevo, MSI, and Toshiba, though Nvidia says only Alienware and Toshiba will offer Optimus support. As for the GT 520MX, that product will purportedly show up in machines from Asus, Samsung, and "others."
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