| Attribute |
Fujitsu LIFEBOOK U904 (LKN U9040M0011TR) × | 
Lenovo ThinkPad T440s (20ARS1450L-B) × |
| General | | |
| Model | Fujitsu LIFEBOOK U904 | Lenovo ThinkPad T440s |
| Product code | LKN U9040M0011TR | 20ARS1450L-B |
| Design | | |
| Product colour | Grey | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Fujitsu | Lenovo |
| Family | LIFEBOOK | ThinkPad |
| Series | U | T |
| Model name | U904 | T440s |
| Part number | LKN U9040M0011TR | 20ARS1450L-B |
| Market positioning | - | Business |
| Release year (year) | 2017 | 2016 |
| Processor | | |
| Processor family | 4th gen Intel Core i7 | 4th gen Intel Core i5 |
| Processor frequency (GHz) | 2.1 | 1.9 |
| Processor boost frequency (GHz) | 3.3 | 2.9 |
| Processor model | i7-4600U | i5-4300U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 22 | 22 |
| Processor socket | BGA 1168 | BGA 1168 |
| Processor cache (MB) | 4 | 3 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 10 | 12 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 10 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| Panel type | IGZO | - |
| HD type | Wide Quad HD+ | HD+ |
| LED backlight | + | + |
| Touchscreen | + | - |
| Display resolution | 3200 x 1800 pixels | 1600 x 900 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 200 | 200 |
| Maximum on-board graphics adapter memory (GB) | 74 | 74 |
| On-board graphics adapter model | Intel HD Graphics 4400 | Intel HD Graphics 4400 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 256 | 256 |
| Card reader integrated | + | + |
| SSD form factor | 2.5" | - |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - |
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| Bluetooth version | - | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 3 |
| Combo headphone/mic port | + | + |
| Docking connector | + | + |
| USB Sleep-and-Charge | + | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | - |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | - | 1 |
| Audio chip | Realtek ALC283 | Realtek ALC3232 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | - | HD |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Full-size keyboard | + | - |
| Pointing device | Touchpad | ThinkPad UltraNav |
| Software | | |
| Operating system installed | Windows 8.1 Pro | Windows 8 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Weight and dimensions | | |
| Weight (kg) | 1.39 | - |
| Height (mm) | 15.5 | 20.6 |
| Depth (mm) | 229.9 | 226 |
| Width (mm) | 329.9 | 331 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | - | + |