| Attribute |
Acer Extensa EX215-51G-513M (NX.EFSER.003) × | 
Lenovo IdeaPad Flex 5 (81CA0007US) × |
| General | | |
| Model | Acer Extensa EX215-51G-513M | Lenovo IdeaPad Flex 5 |
| Product code | NX.EFSER.003 | 81CA0007US |
| Design | | |
| Product colour | Black | Black |
| Form factor | Clamshell | Convertible (Folder) |
| Brand | Acer | Lenovo |
| Family | Extensa | IdeaPad |
| Series | 15 | Flex |
| Model name | EX215-51G-513M | Flex 5 |
| Part number | NX.EFSER.003 | 81CA0007US |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | 8th gen Intel Core i5 | 8th gen Intel Core i5 |
| Processor frequency (GHz) | 1.6 | 1.6 |
| Processor boost frequency (GHz) | 3.9 | 3.4 |
| Processor model | i5-8265U | i5-8250U |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1528 | BGA 1356 |
| Processor cache (MB) | 6 | 6 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 12 | 16 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| Panel type | LCD | IPS |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | + |
| Dual-screen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | NVIDIA GeForce MX230 | - |
| Discrete graphics memory type | GDDR5 | - |
| Discrete graphics adapter | + | - |
| Discrete graphics adapter memory (GB) | 2 | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 32 | 32 |
| On-board graphics adapter model | Intel UHD Graphics | Intel UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 1,000 | 1,000 |
| Card reader integrated | - | + |
| HDD capacity (GB) | 1,000 | 1,000 |
| Storage media | HDD | HDD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
| - 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 | + | + |
| Bluetooth version | 4.2 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 2 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 2 | - |
| Docking connector | - | - |
| USB Sleep-and-Charge | - | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Speaker power (W) | - | 1.5 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.3 | - |
| Front camera HD type | - | HD |
| Front camera resolution (pixels) | 640 x 480 | - |
| Keyboard | | |
| Numeric keypad | + | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 36 | 52 |
| Battery life (max) (h) | 9 | 10.5 |
| Weight and dimensions | | |
| Weight (kg) | 1.9 | 2 |
| Height (mm) | 19.9 | 19 |
| Depth (mm) | 247.5 | 247 |
| Width (mm) | 363.4 | 364 |
| Power | | |
| AC adapter power (W) | 65 | 65 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | - | - |
| Trusted platform module (TPM) | - | - |