| Attribute |
Fujitsu LIFEBOOK S26391-K464-V100 (S26391-K464-V100) × | 
Lenovo Miix 520 (81CG01NSAD) × |
| General | | |
| Model | Fujitsu LIFEBOOK S26391-K464-V100 | Lenovo Miix 520 |
| Product code | S26391-K464-V100 | 81CG01NSAD |
| Design | | |
| Product colour | Black | Platinum |
| Form factor | Clamshell | Convertible (Detachable) |
| Brand | Fujitsu | Lenovo |
| Family | LIFEBOOK | Miix |
| Series | U | 500 |
| Model name | S26391-K464-V100 | 520 |
| Part number | S26391-K464-V100 | 81CG01NSAD |
| Release year (year) | 2017 | 2019 |
| Processor | | |
| Processor manufacturer | - | Intel |
| Processor family | 7th gen Intel Core i5 | 8th gen Intel Core i5 |
| Processor frequency (GHz) | 2.5 | 1.6 |
| Processor boost frequency (GHz) | 3.1 | 3.4 |
| Processor model | i5-7200U | i5-8250U |
| Processor cores | 2 | 4 |
| Processor threads | 4 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | BGA 1356 |
| Processor cache (MB) | 3 | 6 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 20 | 8 |
| Memory clock speed (MHz) | 2,133 | 2,133 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 13.3 | 12.2 |
| Panel type | - | IPS |
| HD type | Full HD | WUXGA |
| LED backlight | + | + |
| Touchscreen | - | + |
| Display resolution | 1920 x 1080 pixels | 1920 x 1200 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 UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 256 | 256 |
| Card reader integrated | + | + |
| SSD form factor | M.2 | M.2 |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.2 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| HDMI ports quantity | 1 | - |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Speaker power (W) | - | 1 |
| Audio chip | Realtek ALC255 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | - | 5 |
| Front camera HD type | HD | - |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 50 | 39 |
| Battery life (max) (h) | 11 | 8 |
| Weight and dimensions | | |
| Weight (kg) | 0.92 | 1.26 |
| Height (mm) | 15.5 | - |
| Depth (mm) | 213.5 | - |
| Width (mm) | 30.3 | - |
| Power | | |
| AC adapter power (W) | - | 45 |
| Security | | |
| Cable lock slot | + | - |
| Fingerprint reader | + | + |
| Trusted platform module (TPM) | + | + |