| Attribute |
Fujitsu LIFEBOOK U757 (U757-PB721) × | 
Fujitsu LIFEBOOK E756 (VFY E7560M87BPDE) × |
| General | | |
| Model | Fujitsu LIFEBOOK U757 | Fujitsu LIFEBOOK E756 |
| Product code | U757-PB721 | VFY E7560M87BPDE |
| Design | | |
| Form factor | Clamshell | Clamshell |
| Brand | Fujitsu | Fujitsu |
| Family | LIFEBOOK | LIFEBOOK |
| Series | U | E |
| Model name | U757 | E756 |
| Part number | U757-PB721 | VFY E7560M87BPDE |
| Release year (year) | 2017 | 2015 |
| Processor | | |
| Processor family | 7th gen Intel Core i7 | 6th gen Intel Core i7 |
| Processor frequency (GHz) | 2.7 | 2.6 |
| Processor boost frequency (GHz) | 3.5 | 3.4 |
| Processor model | i7-7500U | i7-6600U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | LGA 1356 (Socket B2) |
| Processor cache (MB) | 4 | 4 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 32 | 32 |
| Memory clock speed (MHz) | 2,133 | 2,133 |
| Internal memory (GB) | 16 | 16 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| Panel type | - | IPS |
| HD type | 4K Ultra HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 3840 x 2160 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 32 | 32 |
| On-board graphics adapter model | Intel HD Graphics 620 | Intel HD Graphics 520 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Number of SSDs installed | 1 | 1 |
| Card reader integrated | + | + |
| SSD form factor | M.2 | - |
| Storage media | SSD | SSD |
| Optical drive | - | + |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | + |
| 3g | - | + |
| Bluetooth version | 4.1 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 3 |
| USB 3.x Type-C ports | 1 | - |
| Combo headphone/mic port | + | - |
| USB 2.0 ports | - | 1 |
| Docking connector | + | + |
| USB Sleep-and-Charge | + | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Audio chip | Realtek ALC255 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | - |
| Keyboard | | |
| Numeric keypad | + | + |
| Full-size keyboard | + | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 7 Professional |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 50 | 72 |
| Battery life (max) (h) | 10 | 13 |
| Weight and dimensions | | |
| Weight (kg) | 1.72 | 1.9 |
| Height (mm) | 19.2 | - |
| Depth (mm) | 256 | 250 |
| Width (mm) | 378 | 374 |
| Security | | |
| Cable lock slot | - | + |