| Attribute |
LG N series 15N540-UT70K (15N540-UT70K) × | 
LG U series U460 (U460-G.BK51P1) × |
| General | | |
| Model | LG N series 15N540-UT70K | LG U series U460 |
| Product code | 15N540-UT70K | U460-G.BK51P1 |
| Design | | |
| Product colour | Silver | Silver |
| Form factor | Clamshell | Clamshell |
| Brand | LG | LG |
| Family | N series | U series |
| Model name | 15N540-UT70K | U460 |
| Part number | 15N540-UT70K | U460-G.BK51P1 |
| Release year (year) | 2014 | 2015 |
| Processor | | |
| Processor family | 4th gen Intel Core i7 | 3rd gen Intel Core i5 |
| Processor frequency (GHz) | 2.3 | 1.8 |
| Processor boost frequency (GHz) | 3.3 | 2.7 |
| Processor model | i7-4712MQ | i5-3337U |
| Processor cores | 4 | 2 |
| Processor threads | 8 | 4 |
| Processor lithography (Nm) | 22 | 22 |
| Processor socket | PGA946 | BGA 1023 |
| Processor cache (MB) | 6 | 3 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3-SDRAM |
| Maximum internal memory (GB) | - | 8 |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 8 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 14 |
| Panel type | IPS | - |
| HD type | Full HD | - |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | NVIDIA GeForce 840M | - |
| Discrete graphics adapter | + | - |
| Discrete graphics adapter memory (GB) | 2 | - |
| On-board graphics adapter base frequency (MHz) | 400 | 350 |
| Maximum on-board graphics adapter memory (GB) | 74 | - |
| On-board graphics adapter model | Intel HD Graphics 4600 | Intel HD Graphics 4000 |
| Storage | | |
| Total storage capacity (GB) | 628 | 532 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 128 | 32 |
| Card reader integrated | + | + |
| HDD capacity (GB) | 500 | 500 |
| Storage media | HDD+SSD | HDD |
| Optical drive | + | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (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 | - | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| Combo headphone/mic port | - | + |
| USB 2.0 ports | 1 | 2 |
| Docking connector | - | - |
| USB Sleep-and-Charge | + | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | 1.5 | 1.5 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 1.3 | - |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | + | - |
| Full-size keyboard | - | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 8.1 | Windows 8.1 |
| Operating system architecture (bit) | 64 | 64 |
| Weight and dimensions | | |
| Weight (kg) | 2.1 | 1.69 |
| Height (mm) | 24.9 | 19.9 |
| Depth (mm) | 254 | 226 |
| Width (mm) | 377 | 331 |
| Power | | |
| AC adapter power (W) | 90 | - |
| Security | | |
| Cable lock slot | - | + |