最近換了 PC，和 5 年前買的 PC，簡單作個規格比較，觀察產品及技術的演進。
| Compaq Presario CQ2020TW | Lemel LX3-TKBJ19-4S50A | Acer Veriton | |
|---|---|---|---|
| CPU | Intel Atom 230 @ 1.6Ghz | Intel Celeron J1900 Quad Core @ 1.99Ghz | Core i3-3240 Duo Core @ 3.4Ghz |
| Memory | DDR2, 1GB | DDR3, 4GB | DDR3, 4GB |
| HDD | 160 GB, SATA 3Gb/s, 7200rpm | 1TB, SATA 6Gb/s, 7200rpm | 120GB, SanDisk SSD |
| Chipset | Intel 945GC Express | Intel Bay-Tray D (ITX) | Intel 6 Series/C200 Series |
| Optical Drive | CD/CD-RW/DVD/DVD+RW | CD/CD-RW/DVD/DVD+RW | DVD DH16D7SH |
| Operating System | Windows XP Home Edition with Service Pack 3 | Windows 8.1 64-bit | Windows 7 64-bit |
| USB | USB 2.0 * 4 | USB 2.0 * 4, USB 3.0 * 1 | USB 2.0 * 4 |
| Video Output | D-Sub (VGA) | D-Sub (VGA), DVI, HDMI | D-Sub (VGA)(內建) D-Sub (VGA), DVI, HDMI* |
| LAN | 10/100 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps |
| Price | NT$8000 | NT$7990 | NT$8700 |
| Date | 2009.Jan | 2014.Nov | 2018.Aug |
| Store | 台北車站 Nova | 板橋燦坤 | 新竹 Nova 對面達振電腦 |
*: 加購 nVIDIA Geforce GT 710: 1GB 64-bit DDR3, PIC-Express 2.0, NT$1300
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