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New and old laptops, here's what's inside

Everything changes a little on the hardware level in Apple's new laptops: motherboard, screens, memories, demonstrating a truly impressive engineering effort and the fact that the new Powerbooks are more than just "repackaging" of old technologies.

Only the processors remain the same. Old and new laptops, in fact, share the now known MPC 7545 that we learned about some time ago, at the time of the launch of the May Titanium upgrade. It is a high-performance and low-consumption processor, which has reached its maximum development with the frequency of 1 GHz and which uses advanced technological features, such as the use of SOI HiPerMOS technology.

The processor, however, one of the very few things already seen in the new laptops. Both the 12-inch model and the 17-inch model, in fact, present countless new features.

It starts with the motherboard. That of the 12-inch model is a derivative of that of the Titanium. Difficult, without having seen it live, to say if it is something radically different or if rather it is not a simple rearrangement, but the different Ram (DDR SDRAM of 12 inches against PC 133 SDRAM), the presence of Bluetooth and a connector for Airport Extreme, let us think that we are faced with something more than a simple "hack" of the old hardware.

Also in the 12-inch model we find a new burner combined with a DVD player that writes discs at 24x and rewrites discs at 10x, faster than those present on Titanium (8x in writing and rewriting).

Identical, however, the optional Superdrive. If installed in the 12-inch model completely similar to what you can have in Titanium.

The 12-inch model has a 10/100 base T Ethernet against the Titanium Gigabit Ethernet and does not have the PC Card slot (Type I and Type II) that we see on 15-inch laptops and an Nvidia GeForce 420 Go graphics card (comparable as performance to the old Radeon 7500 M but not to the Radeon 9000 M of the 15-inch models).

Identical, however, the processor bus (133 MHz) and the FireWire and USB ports but no DVI Output and S-Video Output; instead VGA output and composite video output. Also present in the 12-inch model are two stereo speakers with a third speaker for medium frequencies (new, the latter, on Apple laptops).

Note that the 12-inch model, however, does not have the 1 MB third-level cache present on all 15 and 17-inch models. This should result in lower performance than older "siblings".

The 47-hour battery, similar, it seems to understand, to that of the iBook and which guarantees up to 5 hours of autonomy

If the 12-inch model has several new features, those of greater technological thickness are present on the 17-inch model.

Here everything changes a little, starting right from the motherboard. The bus, for example, from 167 against the 133 MHz of the "old" Titanium and the 12-inch model; this detail, added to the new 333MHz PC2700 DDR SDRAM memory, should guarantee a tangible increase in performance compared to the 15-inch model.

Also new is the DVD burner, a Matshushita-Panasonic 2x, capable of creating DVDs at twice the speed of Titanium (which use a 1x DVD burner).

The video card, as known, the Nvidia GeForce 4 440 Go, very similar in terms of performance to the Radeon 9000 M, DVI video output, S-video and USB 1.2 ports, in addition to the great novelty of the FireWire 2 (IEEE 1394b) whose however, the "hybrid" connector also allows you to connect traditional IEEE 1393 devices

The 17-inch model has a 55-watt-hour battery, less powerful from the nominal point of view but which thanks to a new technology lasts only half an hour less than that of the 15-inch compared to which it must manage a larger monitor and systems more powerful wireless (as well as integrated Bluetooth)