把这三台笔记本电脑放一起的话，要论时间，苹果MacBook Air是这三家厂商中最早发布，要论热度，联想ThinkPad X300更胜一筹，要论年轻，则惠普Envy 133则最有资格。
同是13.3寸黄金比例的经典机型，又都是三家最著名的笔记本生产厂商，我们将这三台笔记本放一起做一个简单笔记本的话，你会选择哪一款笔记本呢？
无论如何，他们现在是13.3寸所谓黄金比例本本的最佳代表，三剑客已经出鞘，让我们对比看看这三者的区别，三家都是大厂，一个联想，一个惠普，一个苹果，你选谁？
| ThinkPad X300 | Envy 133 | MacBook Air |
| 0.73 to 0.92-inches | 0.70-inches | 0.16 to 0.76-inches |
| 2.9 to 3.1-pounds* | 3.37-pounds | 3 pounds |
| 13.3-inch LED | 13.3-inch LED | 13.3-inch LED |
| 1,440 x 900 | 1,280 x 800 | 1,280 x 800 |
| Removable Battery | Removable Battery | Not Removable |
| Ethernet | External | via USB adapter |
| 3x USB | 1x USB, 1x USB/eSATA | 1x USB |
| DVD | External | External |
| 1.2GHz Core 2 Duo | 1.8GHz Core 2 Duo | 1.8GHz Core 2 Duo |
| GMA X3100 | GMA X3100 | GMA X3100 |
| SSD only | SSD only (?) | HDD or SSD |
| Vista | Vista | Vista or OS X |
| $2,700 to $3,000* | $2,099 starting | $1,800 to $3,100* |
| Business minded | Instant on Voodoo IOS | 切蛋糕 |