| Attribute |
Acer Aspire A315-42G-R621 (NX.HHRER.00B) × | 
Acer Aspire A315-21-45XU (NX.GNVEH.151) × |
| General | | |
| Model | Acer Aspire A315-42G-R621 | Acer Aspire A315-21-45XU |
| Product code | NX.HHRER.00B | NX.GNVEH.151 |
| Design | | |
| Product colour | Red | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Acer | Acer |
| Family | Aspire | Aspire |
| Series | 3 | 3 |
| Model name | A315-42G-R621 | A315-21-45XU |
| Part number | NX.HHRER.00B | NX.GNVEH.151 |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | AMD | - |
| Processor family | AMD Athlon | AMD A |
| Processor frequency (GHz) | 2.4 | 2.2 |
| Processor boost frequency (GHz) | 3.3 | 2.5 |
| Processor model | 300U | A4-9120 |
| Processor cores | 2 | 2 |
| Processor threads | - | 2 |
| Processor cache (MB) | 4 | 1 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 16 | 12 |
| Internal memory (GB) | 8 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | AMD Radeon 540X | - |
| Discrete graphics memory type | GDDR5 | - |
| Discrete graphics adapter | + | + |
| Discrete graphics adapter memory (GB) | 2 | - |
| On-board graphics adapter model | AMD Radeon Vega 3 | AMD Radeon R3 |
| 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 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | - | + |
| 4g | - | - |
| 3g | - | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 2 | 2 |
| 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 | 0.3 |
| 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 |
| Weight and dimensions | | |
| Weight (kg) | 1.9 | 2.1 |
| Height (mm) | 19.9 | 21.6 |
| Depth (mm) | 247.5 | 259 |
| Width (mm) | 363.4 | 381.6 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | - | - |