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| Product | Lenovo ThinkPad X1 Carbon | Lenovo IdeaPad Yoga 13 | Lenovo ThinkPad X1 Carbon Touch Ultrabook Intel Core i5-3427U (3M Cache, up to 2.80 GHz) | Apple MacBook Air (13-inch, Summer 2012)  |
| Price | MSRP: $1,499.00 | $989.99 to $1,199.99 | $1,599.00 | $1,129.98 to $1,199.00 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 1 stars | 3.5 stars | 5 stars | 4 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | June 11, 2012 |
| Bottom line | The business-oriented Lenovo ThinkPad X1 has a few quirks, but is otherwise a very impressive business-oriented ultrabook with strong crossover potential. | The Lenovo IdeaPad Yoga 13 is a convertible touch-screen laptop/tablet that most importantly doesn't compromise the traditional laptop experience. | The business-oriented Lenovo ThinkPad X1 adds must-have features for 2013, and remains a very impressive business-oriented ultrabook with strong crossover appeal. | 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 | - 14 in - 3rd Gen Core i5 - Microsoft Windows 7 Professional - 4 GB RAM - 128 GB Lenovo ThinkPad X1 Carbon 3444 i5-3427U SSD | - 13.3 in - 3rd Gen Core i5 - Microsoft Windows 8 Lenovo IdeaPad Yoga 13 i5-3317U - 8 GB RAM - 128 GB SSD | - 14 in - Core i5 - Microsoft Windows 8 - 4 GB RAM - 128 GB SSD | 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 | Info unavailable | 1 |
| System Type | Ultrabook | Ultrabook | Info unavailable | Notebook |
| Dimensions (WxDxH) | 13.03 in x 0.74 in x 8.9 in | 17 mm 13.1 in x 8.9 in | Info unavailable | 12.8 in x 8.94 in x 0.68 in |
| Operating System | Microsoft Windows 7 Professional | Microsoft Windows 8 | Microsoft Windows 8 | Apple Mac OS X Mountain Lion |
| Weight | 3 lbs | 3.4 lbs | Info unavailable | 2.96 lbs |
| Processor | 3rd Gen Core i5 1.8 GHz / 3 MB Cache Intel 3 i5-3427U ( 2.8 GHz ) | Intel 3rd Gen Core i5 3 i5-3317U / 1.7 GHz ( 2.6 GHz ) / 3 MB Cache | Intel Core i5 / 3 MB Cache | Intel 3rd Gen Core i5 1.8 GHz ( 2.8 GHz ) / 3 MB Cache |
| Memory | 4 GB DDR3L SDRAM | 8 GB DDR3L SDRAM | 4 GB | 4 GB DDR3L SDRAM |
| Storage | 128 GB SSD | 128 GB SSD | 128 GB SSD | 128 GB SSD |
| Display | 14 in LED backlight 1600 x 900 / HD+ | 13.3 in LED backlight Yes VibrantView 1600 x 900 / HD+ | 14 in 1600 x 900 | 13.3 in LED backlight 1440 x 900 / WXGA+ |
| Graphics | Intel HD Graphics 4000 | Intel HD Graphics 4000 | Intel HD 4000 | Intel HD Graphics 4000 |
| Software Included | ThinkVantage Product Recovery Lenovo Cloud Storage by SugarSync ThinkVantage System Update Fingerprint Software Lenovo Simple Tap Password Manager Skype Symantec Validation and ID Protection Service (VIP) Norton Internet Security 2012 (30 days trial) ThinkVantage Rescue and Recovery Lenovo Message Center Plus Windows Live Essentials ThinkVantage Power Manager Lenovo Solution Center ThinkVantage Access Connections EverNote Adobe Reader | Intel AppUp Center Lenovo Cloud Storage by SugarSync Ebay CyberLink Youcam Skype Amazon Kindle Lenovo OneKey Recovery Nitro Pro (90-days trial) Rara Streaming Birzzle Lenovo Motion Control Lenovo Transition McAfee Internet Security Suite (30 days trial) EverNote Lenovo Support AccuWeather Lenovo Companion Lenovo Energy Management Absolute Reminder | Info unavailable | Apple iCal Apple QuickTime Apple iTunes Apple Spotlight Drivers & Utilities Apple Address Book Apple iLife '11 Apple Safari Apple Mac App Store Apple Launchpad Apple Mission Control Apple FaceTime Apple Time Machine Apple Quick Look Photo Booth Apple Mac OS X Mail Apple Versions Apple AirDrop Apple Auto Save Apple Resume |
| Networking | 802.11n None Bluetooth 4.0 | 802.11n None Bluetooth 4.0 | Info unavailable | 802.11n None Bluetooth 4.0 |
| Battery | 4-cell - up to 8.2 hour(s) | 4-cell - up to 8 hour(s) | Info unavailable | up to 7 hour(s) |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | MSRP: $1,499.00 See manufacturer website for availability. | Prices from 3 stores | Prices from 1 store |
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