| Attribute |
Lenovo ThinkPad X220 (429037U) × | 
Samsung R R540-JT03 (NP-R540-JT03DE) × |
| General | | |
| Model | Lenovo ThinkPad X220 | Samsung R R540-JT03 |
| Product code | 429037U | NP-R540-JT03DE |
| Design | | |
| Product colour | Black | Black, Silver |
| Brand | Lenovo | Samsung |
| Family | ThinkPad | R |
| Series | X | - |
| Model name | X220 | R540-JT03 |
| Part number | 429037U | NP-R540-JT03DE |
| Release year (year) | 2011 | 2011 |
| Processor | | |
| Processor family | 2nd gen Intel Core i5 | Intel Core i3 |
| Processor frequency (GHz) | 2.6 | 2.5 |
| Processor boost frequency (GHz) | 3.3 | - |
| Processor model | i5-2540M | i3-380M |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 32 | 32 |
| Processor socket | BGA 1023 | PGA988 |
| Processor cache (MB) | 3 | 3 |
| Memory | | |
| Internal memory type | DDR3-SDRAM | DDR3-SDRAM |
| Maximum internal memory (GB) | 8 | 8 |
| Memory clock speed (MHz) | 1,333 | 1,066 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 12.5 | 15.6 |
| LED backlight | + | + |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | - | AMD Mobility Radeon HD 5470 |
| Discrete graphics adapter | - | + |
| On-board graphics adapter base frequency (MHz) | 650 | 500 |
| On-board graphics adapter model | Intel HD Graphics 3000 | Intel HD Graphics |
| Storage | | |
| Total storage capacity (GB) | 320 | 320 |
| Card reader integrated | + | + |
| Storage media | HDD | - |
| Optical drive | - | + |
| Networking | | |
| Bluetooth | + | - |
| Ethernet LAN | + | + |
| Wi-Fi | + | + |
| 3g | - | - |
| Bluetooth version | 2.1+EDR | - |
| Ports and interfaces | | |
| USB 2.0 ports | 3 | 3 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | - | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | 2 | 1.5 |
| Camera | | |
| Front camera resolution (numeric) (MPixel) | - | 0.3 |
| Keyboard | | |
| Numeric keypad | - | - |
| Full-size keyboard | - | + |
| Pointing device | ThinkPad UltraNav | Touchpad |
| Software | | |
| Operating system installed | Windows 7 Professional | Windows 7 Home Premium |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery life (max) (h) | 15 | - |
| Weight and dimensions | | |
| Weight (kg) | 1.3 | 2.4 |
| Depth (mm) | 206.5 | 255.5 |
| Width (mm) | 305 | 379.6 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | + | - |