These are the new models Acer Aspire Acer Aspire Z3 and Z5, which differ in some respects from each other.
The Acer Aspire Z3 series of all-in-One PC brings a 21.5-inch monitor with it. There are an NVIDIA 9200 graphics chipset, an Intel GMA X4500HD Optional graphics chipset and a choice between an Intel Pentium or AMD Athlon processor. This follows for up to 1TB of HDD storage and up to 4GB of RAM.
The Acer Aspire Z5 series offers a choice of an ATI Radeon HD 5770 graphics card or Intel GMA X4500HD on graphics chipset. This follows a choice between AMD Athlon and Core i3 processors, up to 8GB of RAM and also up to 1TB of storage space.