Xiaomi Redmi S2 vs Xiaomi Mi A1 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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| Xiaomi Redmi S2 | Xiaomi Mi A1 |
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Released
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Jun 18, 2018
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Released
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Sep 12, 2017
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6.0-inch · 1440x720px
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5.5-inch · 1920x1080px
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Dual camera
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Dual camera
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3GB · 32GB
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4GB · 64GB
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3080 mAh
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3080 mAh
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Availability
| Officially announced | |
|---|---|
| Sep 05, 2017 | |
Design
| Dimensions | |
|---|---|
| 6.33 x 3.04 x 0.32 inches 160.73 x 77.26 x 8.1 mm |
6.12 x 2.98 x 0.29 inches 155.4 x 75.8 x 7.3 mm |
| Weight | |
| 6.00 oz / 170.0 g | 5.82 oz / 165.0 g |
| Materials | |
| Back: Plastic | Back: Metal |
| Biometrics | |
| Fingerprint (touch) | Fingerprint (touch) |
| Features | |
| Touch sensitive control keys | |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Gold, Silver, Pink | Black, Gold, Pink |
Display
| Size | |
|---|---|
| 6.0-inch, 74.58% screen-to-body | 5.5-inch, 70.87% screen-to-body |
| Type | |
| LCD | IPS LCD, 450 nits |
| Resolution | |
| 1440x720px, 18:9 ratio, 269 PPI | 1920x1080px, 401 PPI |
| Features | |
| Oleophobic coating, Ambient light sensor, Proximity sensor | |
Hardware
| System chip | |
|---|---|
| Snapdragon 625 MSM8953 (14 nm) | Snapdragon 625 8953 (14 nm) |
| Processor | |
| Octa-core 2000 MHz ARM Cortex-A53 | Octa-core 2000 MHz ARM Cortex-A53 |
| GPU | |
| Adreno 506 | Adreno 506 |
| Memory | |
| 3GB (LPDDR3)/32GB | 4GB (LPDDR3)/64GB |
| Storage expansion | |
| microSDXC up to 256 GB | microSDXC up to 256 GB |
| OS | |
| Android (9.0 Pie, 8.1 Oreo) | Android (9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat) |
Battery
| Type | |
|---|---|
| 3080 mAh | 3080 mAh, Li - Ion |
| Charging | |
| Fast charging | |
Camera
| Rear | |
|---|---|
| Dual camera | Dual camera |
| Main camera | |
| 12 MP (PDAF) Aperture size: F2.2 Pixel size: 1.25 μm | 12 MP (PDAF) Aperture size: F2.2 Focal length: 26 mm Pixel size: 1.25 μm |
| Second camera | |
| 5 MP (Depth information) | 12 MP (Telephoto, Autofocus) Optical zoom: 2.0x Aperture size: F2.6 Focal Length: 50 mm Pixel size: 1 μm |
| Flash | |
| LED | Dual LED |
| Video recording | |
| 1080p (30 fps), 720p (30 fps) EIS, Video calling, Video sharing | 4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing |
| Front | |
| 16 MP (Flash, HDR) Video capture: 1080p | 5 MP Video capture: 1080p |
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.2 | 4.2 |
| WLAN | |
| b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| microUSB, USB 2.0 | Type-C |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass, BeiDou | GPS, A-GPS, Glonass, BeiDou |
| Other | |
| Infrared, VoIP, Tethering, Computer sync, OTA sync | Infrared, VoIP, Tethering, Computer sync, OTA sync |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | |
| Album art cover, Background playback | Album art cover, Background playback |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 3, 4, 5, 7, 8, 20 | 1, 3, 5 |
| 4G (TDD) Bands | |
| 38, 40 | 40, 41 |
| 3G Bands | |
| 5, 8, 2, 1 | 5, 8, 2, 1 |
| Data Speed | |
| LTE, HSPA, HSUPA | LTE, HSPA, HSUPA |
| Dual SIM | |
| Yes | Yes |
| SIM type | |
| Nano SIM | Nano SIM |
Phone Features
| Notifications | |
|---|---|
| Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone | |
| Other features | |
| Voice dialing, Voice commands, Voice recording | |
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