| Attribute |
Fujitsu LIFEBOOK U904 (LKN U9040M0007TR) × | 
ASUS E406SA-BV266TS (90NB0HK1-M07860) × |
| General | | |
| Model | Fujitsu LIFEBOOK U904 | ASUS E406SA-BV266TS |
| Product code | LKN U9040M0007TR | 90NB0HK1-M07860 |
| Design | | |
| Product colour | Black, Silver | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Fujitsu | ASUS |
| Family | LIFEBOOK | - |
| Series | U | - |
| Model name | U904 | E406SA-BV266TS |
| Part number | LKN U9040M0007TR | 90NB0HK1-M07860 |
| Market positioning | Business | - |
| Release year (year) | 2017 | 2019 |
| Processor | | |
| Processor family | - | Intel Celeron |
| Processor frequency (GHz) | - | 1 |
| Processor boost frequency (GHz) | - | 2.1 |
| Processor model | - | N3000 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3-SDRAM |
| Maximum internal memory (GB) | 10 | 4 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | - | 4 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| Panel type | IGZO | - |
| HD type | Wide Quad HD+ | HD |
| LED backlight | + | + |
| Touchscreen | + | - |
| Dual-screen | - | - |
| Display resolution | 3200 x 1800 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter model | Intel HD Graphics 4400 | Intel HD Graphics |
| Storage | | |
| Total storage capacity (GB) | - | 64 |
| Card reader integrated | + | + |
| Storage media | - | eMMC |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
|
| Bluetooth | + | + |
| Ethernet LAN | + | - |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.0 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 2 |
| Combo headphone/mic port | + | + |
| Docking connector | + | - |
| USB Sleep-and-Charge | + | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Audio chip | Realtek ALC283 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 1 | - |
| Front camera HD type | HD | - |
| Front camera resolution (pixels) | 1280 x 720 | - |
| Keyboard | | |
| Numeric keypad | - | - |
| Full-size keyboard | + | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 8.1 Pro | Windows 10 Home S |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 45 | 56 |
| Battery life (max) (h) | 8 | - |
| Weight and dimensions | | |
| Weight (kg) | 1.39 | 1.3 |
| Height (mm) | 15.5 | 17.6 |
| Depth (mm) | 229.9 | 226.5 |
| Width (mm) | 329.9 | 326.4 |
| Power | | |
| AC adapter power (W) | 65 | 33 |
| Security | | |
| Cable lock slot | + | - |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | + | - |