Samsung Galaxy A31 vs Samsung Galaxy Note 21 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Samsung Galaxy A31 | Samsung Galaxy Note 21 |
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Released
·
Apr 27, 2020
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Not announced
·
No information
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6.4-inch · 2400x1080px
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6.8-inch
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Quad camera
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Triple camera
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4GB · 64GB
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5000 mAh
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Availability
| Officially announced | |
|---|---|
| Mar 24, 2020 | |
| Prices (MSRP) | |
| €300 | |
Design
| Dimensions | |
|---|---|
| 6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm |
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| Weight | |
| 6.53 oz (185.0 g) | |
| Materials | |
| Back: Plastic | Back: Glass |
| Resistance | |
| Water, Dust; IP68 | |
| Biometrics | |
| Optical in-screen fingerprint | Ultrasonic in-screen fingerprint |
| Features | |
| Stylus | |
| Keys | |
| Right: Volume control, Lock/Unlock key | |
| Colors | |
| Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white | |
Display
| Size | |
|---|---|
| 6.4-inch, 84.88% screen-to-body | 6.8-inch |
| Type | |
| Super AMOLED, 60Hz | AMOLED |
| Resolution | |
| 2400x1080px, 20:9 ratio, 411 PPI | |
Hardware
| System chip | |
|---|---|
| MediaTek Helio P65 MT6768 (12 nm) | Snapdragon 888 SM8350 (5 nm) |
| Processor | |
| Octa-core 2x2.0GHz Cortex-A75 6x2.0GHz Cortex-A55 |
Octa-core 2840 MHz Kryo 680 |
| GPU | |
| Mali-G52 MC2 | Adreno 660 |
| Memory | |
| 4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB |
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| Storage expansion | |
| microSDXC up to 512 GB | |
| OS | |
| Android (10) | Android (11) |
Battery
| Type | |
|---|---|
| 5000 mAh, Li - Polymer | |
| Charging | |
| Fast charging | |
| Charge speed | |
| Wired: 15.0W | |
Camera
| Rear | |
|---|---|
| Quad camera | Triple camera |
| Main camera | |
| 48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
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| Second camera | |
| 8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm |
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| Third camera | |
| 5 MP (Macro) Aperture size: F2.4 |
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| Fourth camera | |
| 5 MP (Depth information) Aperture size: F2.4 |
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| Flash | |
| LED | |
| Video recording | |
| 1080p (30 fps) | Yes |
| Front | |
| 20 MP Video capture: 1080p |
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Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.1 |
| WLAN | |
| a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,Wi-Fi 6,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax |
| USB | |
| Type-C, USB 2.0 | Type-C |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Cell ID, Wi-Fi positioning |
| Other | |
| NFC | NFC |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | No 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation |
Cellular
| 5G Bands | |
|---|---|
| SA, NSA, Sub-6, mmWave | |
| 4G (FDD) Bands | |
| 1, 2, 3, 4, 5, 7, 8, 20 | |
| 4G (TDD) Bands | |
| 38, 40, 41 | |
| 3G Bands | |
| 1, 2, 5, 8 | |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL | |
| Measured SAR | |
| Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg |
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Alternative variants
with 128GB storage
| Memory | 6GB/128GB |
|---|---|
Links
| Full specifications | |
|---|---|
| Samsung Galaxy A31 Specs | Samsung Galaxy Note 21 Specs |
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