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| Price | $1,584.99 | $488.99 to $529.00 | $1,149.00 to $1,199.00 | $1,999.00 |
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| Release date | May 09, 2007 | June 10, 2009 | September 15, 2009 | |
| The Bottom Line | The IBM blueprint is still evident in the Lenovo ThinkPad R61, but the addition of a wide-screen display and all the latest Centrino Duo tricks make this a ThinkPad that could woo home users along with its legion of fans among business travelers. | Lenovo's Windows 7 upgrade to the ThinkPad SL500 keeps the price affordable, and features a consumer-friendly 16:9 display. | Previously known as the MacBook, Apple's basic 13-inch aluminum unibody laptop has been promoted to the "Pro" series, all while adding features and cutting the base price. | A revamped version of Lenovo's slim ThinkPad T400s adds an innovative touch-screen package to the first Windows 7 laptop we've reviewed. |
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| Features | ||||
| Networking | Network adapter - Ethernet - IEEE 802.11a - IEEE 802.11b - IEEE 802.11g - Fast Ethernet - Gigabit Ethernet | Network adapter - Ethernet - IEEE 802.11b - IEEE 802.11g - Fast Ethernet - Gigabit Ethernet - IEEE 802.11n (draft) | Network adapter - Ethernet - IEEE 802.11a - IEEE 802.11b - IEEE 802.11g - Fast Ethernet - Gigabit Ethernet - Bluetooth 2.1 EDR - IEEE 802.11n (draft) | Bluetooth - IEEE 802.11b - IEEE 802.11g - IEEE 802.11n - Bluetooth 2.0 |
| Notebook Camera | Info unavailable | Info unavailable | Integrated | Info unavailable |
| Optical Storage | DVD±RW (±R DL) / DVD-RAM - Plug-in module | DVD-Writer - Integrated | DVD±RW (±R DL) - Integrated | Info unavailable |
| RAM | 1 GB (installed) / 4 GB (max) - DDR2 SDRAM - 667 MHz - PC2-5300 ( 1 x 1 GB ) | 2 GB (installed) / 8 GB (max) - DDR3 SDRAM - 1066 MHz - PC3-8500 ( 1 x 2 GB ) | 2 GB (installed) / 8 GB (max) - DDR3 SDRAM - 1066 MHz - PC3-8500 ( 2 x 1 GB ) | 4096 MB DDR II SDRAM - 667 MHz |
| Cache Memory | 4 MB - L2 cache | 2 MB - L2 cache | 3 MB - L2 cache | Info unavailable |
| Graphics Controller | Intel GMA X3100 | Intel GMA X4500 Dynamic Video Memory Technology 5.0 | NVIDIA GeForce 9400M Shared video memory (UMA) | Intel GMA 4500M |
| Processor | Intel Core 2 Duo T7300 / 2 GHz ( Dual-Core ) | Intel Core 2 Duo P8700 / 2.53 GHz ( Dual-Core ) | Intel Core 2 Duo 2.26 GHz ( Dual-Core ) | Intel Core 2 Duo SP9600 / 2.53 GHz ( Dual-Core ) |
| Hard Drive | 120 GB - Serial ATA-150 - 5400 rpm | 320 GB - Serial ATA-300 - 7200 rpm | 160 GB - Serial ATA-150 - 5400 rpm | 128 GB |
| Display | 14.1 in TFT active matrix 1280 x 800 ( WXGA ) - 24-bit (16.7 million colors) | 15.6 in TFT active matrix 1366 x 768 ( WXGA ) - 24-bit (16.7 million colors) | 13.3 in TFT active matrix 1280 x 800 ( WXGA ) | TFT |
| Video Memory | 128 MB Dynamic Video Memory Technology 4.0 | Info unavailable | Info unavailable | Info unavailable |
| Battery | Lithium ion | Lithium ion | Lithium polymer | Info unavailable |
| CNET Labs: Battery drain test / Video playback | 128 | Info unavailable | Info unavailable | Info unavailable |
| Dimensions (WxDxH) | 13.2 in x 9.3 in x 1.4 in | 15 in x 9.7 in x 1.4 in | 12.8 in x 8.9 in x 0.9 in | 13.2 in x 9.4 in x 1.3 in |
| Weight | 5.5 lbs | 5.3 lbs | 4.4 lbs | 3.9 lbs |
| OS Provided | Microsoft Windows Vista Microsoft Windows Vista Business | Microsoft Windows 7 Home Premium - English | Apple MacOS X 10.6 | Microsoft Windows 7 Professional |
| Service & Support | 3 years warranty | 1 year warranty | 1 year warranty | Info unavailable |
| Pricing Type | Academic | Info unavailable | Info unavailable | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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