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| Product | Asus Zenbook UX31A | Toshiba Satellite U845t | Asus Zenbook UX32VD | Apple MacBook Air (13-inch, Summer 2012)  |
| Price | MSRP: $1,099.99 | $799.99 | $1,099.99 to $1,353.43 | $949.00 to $1,199.00 |
| CNET editors' rating | 3.5 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 4 stars | 2.5 stars | 5 stars | 4 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | June 11, 2012 |
| Bottom line | Stuck between a budget model and a high-end, feature-filled model, this middle Asus Zenbook is a slim, slick ultrabook, but also a tough sell. | While it's not going to dazzle anyone, the Toshiba Satellite U845T is a great example of exactly how much laptop $799 should buy in 2013. | With a Core i7 CPU, discrete graphics, and a full HD screen, the Asus Zenbook UX23VD is pretty close to being the ultrabook that has it all, but you'll pay for all those features. | This year's
MacBook Air opts for gradual improvements rather than anything revolutionary, but lowered prices continue to make it the go-to mainstream recommendation for any MacBook owner-to-be. |
| Product Description | - 3rd Gen Core i5 ASUS ZENBOOK Prime UX31A DB51 - 13.3 in i5-3317U - Microsoft Windows 7 Home Premium - 4 GB RAM - 128 GB SSD | - 14 in - 3rd Gen Core i5 - Microsoft Windows 8 - 6 GB RAM - 128 GB SSD Toshiba Satellite U845t-S4165 i5-3337U | - 13.3 in - 3rd Gen Core i7 3517UM - Microsoft Windows 7 Home Premium - 4 GB RAM - 500 GB ASUS ZENBOOK UX32VD DB71 HDD | Apple MacBook Air MacBook Air (13 in, Summer 2012) - 13.3 in - 3rd Gen Core i5 - Apple Mac OS X Mountain Lion - 4 GB RAM - 128 GB SSD |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| System Type | Ultrabook | Ultrabook | Ultrabook | Notebook |
| Dimensions (WxDxH) | 12.8 in x 8.8 in x 0.7 in | 13.5 in x 9.1 in x 0.8 in | 12.8 in x 8.9 in x 0.7 in | 12.8 in x 8.94 in x 0.68 in |
| Weight | 2.9 lbs | 3.8 lbs | 3.2 lbs | 2.96 lbs |
| Operating System | Microsoft Windows 7 Home Premium | Microsoft Windows 8 | Microsoft Windows 7 Home Premium | Apple Mac OS X Mountain Lion |
| Processor | 3rd Gen Core i5 Intel 3 i5-3317U / 1.7 GHz | Intel 3rd Gen Core i5 3 i5-3337U / 1.8 GHz ( 2.7 GHz ) / 3 MB Cache | Intel 3rd Gen Core i7 3517UM / 1.7 GHz 3 Ultra Low Voltage (ULV) | Intel 3rd Gen Core i5 1.8 GHz ( 2.8 GHz ) / 3 MB Cache |
| Memory | 4 GB DDR3 SDRAM | 6 GB DDR3 SDRAM | 4 GB DDR3 SDRAM | 4 GB DDR3L SDRAM |
| Storage | 128 GB SSD | 128 GB SSD | 500 GB / 7200 rpm HDD + 24 GB SSD cache | 128 GB SSD |
| Optical Drive | None | None | None | None |
| Display | 13.3 in LED backlight 1920 x 1080 / Full HD | 14 in 1366 x 768 LED backlight Yes TruBrite / HD | 13.3 in 1920 x 1080 / Full HD | 13.3 in LED backlight 1440 x 900 / WXGA+ |
| Graphics | Intel HD Graphics 4000 | Intel HD Graphics 4000 | NVIDIA GeForce GT 620M | Intel HD Graphics 4000 |
| Networking | 802.11n , 10/100 Ethernet Bluetooth 4.0 | 802.11n , 10/100 Ethernet , None | 802.11n , 10/100 Ethernet Bluetooth 4.0 | 802.11n None Bluetooth 4.0 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | MSRP: $1,099.99 See manufacturer website for availability. |
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