| Attribute |
HP EliteBook 840 G3 (V1D06EA) × | 
Lenovo IdeaPad 320 (80XK006BAU) × |
| General | | |
| Model | HP EliteBook 840 G3 | Lenovo IdeaPad 320 |
| Product code | V1D06EA | 80XK006BAU |
| Design | | |
| Form factor | Clamshell | Clamshell |
| Brand | HP | Lenovo |
| Family | EliteBook | IdeaPad |
| Series | 800 | 300 |
| Model name | 840 G3 | 320 |
| Part number | V1D06EA | 80XK006BAU |
| Release year (year) | 2016 | 2017 |
| Processor | | |
| Processor family | 6th gen Intel Core i7 | 7th gen Intel Core i3 |
| Processor frequency (GHz) | 2.5 | 2.4 |
| Processor boost frequency (GHz) | 3.1 | - |
| Processor model | i7-6500U | i3-7100U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | LGA 1356 (Socket B2) | BGA 1356 |
| Processor cache (MB) | 4 | 3 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Memory clock speed (MHz) | 2,133 | 2,133 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| HD type | Full HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1366 x 768 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) | 74 | 32 |
| On-board graphics adapter model | Intel HD Graphics 520 | Intel HD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 512 | 500 |
| Number of SSDs installed | 1 | - |
| Card reader integrated | + | + |
| Storage media | SSD | HDD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 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 | 4.2 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 2 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | + | - |
| Docking connector | + | - |
| HDMI ports quantity | - | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | - | 1.5 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | - |
| Software | | |
| Operating system installed | Windows 7 Professional | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 46 | 30 |
| Weight and dimensions | | |
| Weight (kg) | 1.54 | 2.1 |
| Height (mm) | 18.9 | 22.7 |
| Depth (mm) | 237 | 249.9 |
| Width (mm) | 338 | 338.3 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Trusted platform module (TPM) | + | - |