| Attribute |
Acer Extensa EX2540-39UN (NX.EFHEB.052) × | 
Fujitsu LIFEBOOK U772 (VFY U7720MXP42GB) × |
| General | | |
| Model | Acer Extensa EX2540-39UN | Fujitsu LIFEBOOK U772 |
| Product code | NX.EFHEB.052 | VFY U7720MXP42GB |
| Design | | |
| Product colour | Black | Silver |
| Form factor | Clamshell | Clamshell |
| Brand | Acer | Fujitsu |
| Family | Extensa | LIFEBOOK |
| Series | 15 | U |
| Model name | EX2540-39UN | U772 |
| Part number | NX.EFHEB.052 | VFY U7720MXP42GB |
| Release year (year) | 2018 | 2013 |
| Processor | | |
| Processor family | 6th gen Intel Core i3 | 3rd gen Intel Core i7 |
| Processor frequency (GHz) | 2 | 2.1 |
| Processor boost frequency (GHz) | - | 3.3 |
| Processor model | i3-6006U | i7-3687U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 22 |
| Processor socket | BGA 1356 | BGA 1023 |
| Processor cache (MB) | 3 | 4 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3-SDRAM |
| Maximum internal memory (GB) | 16 | 8 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 15.6 | 14 |
| HD type | HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Dual-screen | - | - |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 350 |
| Maximum on-board graphics adapter memory (GB) | 32 | - |
| On-board graphics adapter model | Intel HD Graphics 520 | Intel HD Graphics 4000 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 256 | 256 |
| Card reader integrated | + | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| - ieee 802.11a
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | + |
| 3g | - | + |
| Bluetooth version | 4.0 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 2 |
| Combo headphone/mic port | + | - |
| USB 2.0 ports | 2 | 1 |
| Docking connector | - | + |
| USB Sleep-and-Charge | - | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.3 | - |
| Front camera resolution (pixels) | 640 x 480 | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | + | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 7 Professional |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | - | 45 |
| Battery capacity (mAh) | 3,220 | 3,150 |
| Battery life (max) (h) | - | 10 |
| Weight and dimensions | | |
| Weight (kg) | 2.4 | 1.4 |
| Height (mm) | 24.6 | 15.6 |
| Depth (mm) | 258 | 225 |
| Width (mm) | 381.8 | 327 |
| Power | | |
| AC adapter power (W) | 45 | 65 |
| Security | | |
| Cable lock slot | - | + |
| Fingerprint reader | - | + |