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AMD returns to high-end gaming CPUs with Ryzen 7
AMD has largely ceded the performance processor space to Intel in recent years. You typically get one of its chips inside a budget PC, not an all-out gaming rig. At last, though, you might have reason to get excited: AMD is launching Ryzen 7, a desktop CPU line based on its much-ballyhooed Zen architecture. The key is a dramatic improvement in the number of instructions the chip can handle at once. A Ryzen 7 CPU can do 52 percent more work every cycle than a similarly-clocked predecessor thanks to a newer 14-nanometer manufacturing process, five times the bandwidth and some overdue architectural upgrades. This is AMD's first processor with simultaneous multithreading (Hyper-Threading in Intel speak), so each core can execute two code paths at the same time.
Lenovo intros four IdeaCentre all-in-ones, including a super-wide 29-inch model
Lenovo is known for all-in-one PCs that stand out, and that's certainly true of a new four-model update to the company's IdeaCentre line. The headlining B750 is reportedly the first PC to include a 29-inch, 21:9 aspect ratio display; its 2,560 x 1,080 panel is potentially ideal for both movie aficionados and multitaskers. Lenovo appropriately equips the B750 with a 2.1-channel JBL audio system, and gamers may like the combination of Haswell-based processors with standard GeForce GTX 760A graphics. The system ships in October with a $1,199 base price. Don't need an extra-wide screen? Don't worry -- Lenovo's other three introductions may catch your eye. The A530, B350 and B550 improve on their predecessors with both Haswell chips and options for 1TB hybrid hard drives that combine speed with capacity. These smaller IdeaCentres should arrive alongside the B750 in October, with prices ranging from $799 for the 21.5-inch B350 to $1,199 for the 23-inch B550.
