| Local Name | Xperia X1 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 - XPERIA X1a |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 7.2/2 Mbps |
| GPRS | Class 10 |
| EDGE | Yes |
| Announced | 2008, February. Released 2008, October |
| Status | Discontinued |
| Dimensions | 110.5 x 52.6 x 17 mm (4.35 x 2.07 x 0.67 in) |
| Weight | 145 g (5.11 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| Body | Optical trackpad |
| Display Type | TFT resistive touchscreen, 65K colors |
| Screen Size | 3.0 inches (~44.1% screen-to-body ratio) |
| Resolution | 480 x 800 pixels (~311 ppi pixel density) |
| OS | Microsoft Windows Mobile 6.1 Professional |
| Chipset | Qualcomm MSM7200 |
| CPU | 528 MHz ARM 11 |
| Card Slot | microSD |
| Internal Memory | 256 MB RAM, 512 MB ROM |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels, autofocus, LED flash |
| Camera Features | Touch focus |
| Video | 480p@30fps |
| Secondary Camera | Videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones, composer |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11b/g |
| Bluetooth | v2.0, A2DP |
| GPS | Yes, with A-GPS |
| Radio | Stereo FM radio with RDS |
| USB | miniUSB v2.0 |
| Messaging | SMS (threaded view), MMS, Email, Push email, IM |
| Browser | WAP 2.0/HTML (IE), RSS feeds |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/AAC/MP4 player, Pocket Office, Photo editor, Organizer, Predictive text input, Voice memo/dial |
| Battery | Li-Po 1500 mAh battery (BST-41) |
| Stand By | Up to 833 h (2G) / Up to 640 h (3G) |
| Talk Time | Up to 10 h (2G) / Up to 6 h (3G) |
| Colors | Solid Black, Steel Silver |
| SAR EU | 0.57 W/kg (head) |
