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New MacBook Pro running Hybrid SLI? UPDATE: Nope.
Alright, something's fishy here. When Apple announced that the new MacBook Pro has two NVIDIA GeForce chips -- the 9400M and the 9600M GT -- the focus was on what that means for battery life. Absent any mention of Hybrid SLI, we assumed that was all, but PC Mag has posted some eyebrow-raising benchmarks comparing the new MacBook Pro to HP's Pavilion HDX16t, which also features a 9600M GT. While the MacBook Pro test model fell behind the Pavilion in most benchmarks due to its slower processor, its Crysis framerate beat that of the Pavilion by 24.1 frames per second -- 41.9 over 17.3. That doesn't make a lot of sense, unless you look at benchmarks of a desktop with NVIDIA's similar GeForce 9300 chipset and a GeForce 8500 GT -- turns out Crysis runs 12.63 frames per second faster (29.19 over 16.56) in Hybrid SLI than it does on the 8500 GT alone. Is the MacBook Pro running in SLI mode when set for performance? We don't have confirmation of that, but we'll put it to the test in our forthcoming review -- until then, feel free to grab a grain of salt while freaking out anyway.Update: Sorry, folks -- NVIDIA's just posted a support doc that says the MBP doesn't support Hybrid SLI in either OS X or Windows -- and when running Windows, it's locked into using the 9600M GT. We're not sure where that Crysis boost is coming from -- GDDR3 vs GDDR2, perhaps -- but we'll dig deeper in our review. Stay tuned.Read - PC Mag (MacBook Pro benchmarks)Read - Hot Hardware (NVIDIA GeForce 9300 desktop motherboards benchmarks)
New MacBooks to be based on NVIDIA GeForce 9400 / 9300 chipsets?
With a new MacBook announcement now just days away, speculation is unsurprisingly at a fever pitch as to exactly what Apple has in store, and the folks at PC Perspective have now pieced together a few clues to whet your appetite in anticipation of the big event. Most of those are drawn from mounting evidence from the NVIDIA camp, including the image above that made an appearance on the company's website a few days ago and, most importantly, word that NVIDIA would be releasing its GeForce 9400 and 9300 chipsets based on the MCP79 integrated chipset design on October 15th (conveniently not stepping on Apple's toes the day before). The implication there being that the GeForce chipsets would replace the relatively underpowered integrated Intel graphics on the current MacBooks, with the new MacBook Pros supposedly getting an additional boost from a discrete G92-based mobility GeForce 9600. As PC Perspective points out, if true, that would be quite a coup for NVIDIA, especially considering that it wasn't all that long ago some were talking about it quitting the chipset business altogether.
