| Hardware and OS | Samsung Galaxy A40s | |
| Operating system | Android 9.0 Pie | |
| Processor | 2x 1.8 GHz ARM Cortex-A73, 6x 1.6 GHz ARM Cortex-A53, Cores: 8 | |
| GPU | ARM Mali-G71 MP2, Cores: 2 | |
| RAM | 4 GB, 6 GB, 8 GB | |
| Internal Storage | 64 GB, 128 GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with Modified Android | |
| Display | Samsung Galaxy A40s | other phones |
| Type | Super AMOLED | |
| Size | 6.38 inches | |
| Resolution | 1080 x 2340 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 404 ppi | |
| Touchscreen | Yes Multi Touch Support | |
| Features | Fingerprint (under display), accelerometer, gyro, proximity, compass | |
| Connectivity | Samsung Galaxy A40s | other phones |
| 4G Network | Yes | |
| Wi-Fi | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct | |
| GPS | GPS, A-GPS, GLONASS, BeiDou | |
| NFC | No | |
| USB | 2.0, USB Type-C | |
| Speed | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | |
| SIM | Nano SIM | |
| Dual SIM | Single SIM (Nano-SIM) | |
| Wireless Charging | No | |
| Camera | Samsung Galaxy A40s | other phones |
| Main camera | 12.98 MP (megapixels) | |
| Features | LED flash, panorama, HDR | |
| Image | 4160 x 3120 pixels | |
| Selfie camera | 15.93 MP (megapixels) | |
| Multimedia | Samsung Galaxy A40s | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes Support 3GP, H.264, MKV, MOV, AVI, xVID, WMV, FLV, MP4, H.263 | |
| Video Out | Yes With Wireless Media Connection | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | |
| Design | Samsung Galaxy A40s | other phones |
| Dimensions | 75.1 x 159 x 8.4 mm | |
| Waterproof | No | |
| Weight | 175 Grams (With Battery) | |
| Battery | Samsung Galaxy A40s | other phones |
| Capacity | 5000 mAh, Li-Ion | |
| Placement | Non-Removable | |
| Other | Samsung Galaxy A40s | other phones |
| Sensors | Proximity, Light, Accelerometer, Compass, Gyroscope, Fingerprint | |
