Xiaomi Mi A3 (128GB) vs Xiaomi Redmi S2 (32GB)
Side by side comparison between Xiaomi Mi A3 vs Xiaomi Redmi S2 phones, differences, pros, cons and full specifications. What's the better?
,
6.088"
AMOLED
AMOLED
720x1560
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4030
mAh
mAh
(Non removable)
vs
5.99"
IPS
IPS
720x1440
12
MP
MP
16mp
3GB
RAM
RAM
Octa-core
3080
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi A3 (128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
21 Common items in both devices |
16 million |
Only digital zoom |
PDAF: phase detection autofocus |
EIS: Digital stabilization |
HDR photo on both cameras |
4G LTE-A |
Capacitive |
+14 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Model | Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) |
Other model names | Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI | 红米自拍手机S2, Xiaomi S2, Xiaomi Ysl |
Country or region available | (Global, International) | (Global, International), China |
Brand | Xiaomi | Xiaomi |
Release date | 7/24/2019, Announced: 7/17/2019 | 5/1/2018 |
Depth | 8.5 millimeters (0.33 inches) | 8.1 millimeters (0.32 inches) |
Size (width x height) | 71.85 x 153.48 millimeters (2.83 x 6.04 in) | 77.26 x 160.73 millimeters (3.04 x 6.33 in) |
Weight | 174 grams (6.09 ounces) | 170 grams (5.95 ounces) |
Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Display type | Super AMOLED | TFT IPS LCD |
Screen size | 6.088" inches | 5.99" inches |
Screen-to-body ratio | ~82.5% (screen-to-body ratio) | ~74.6% (screen-to-body ratio) |
Display resolution | 720x1560 pixels (19.5:9) | 720x1440 pixels |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 282 PPI | 269 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 5 | Not supported |
Refresh rate | 60Hz | feature not registered |
Display features | Not supported | feature not registered |
🤖 Operating System | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
System version | Android 9.0 Pie | Android 7.1.2 Nougat |
Firmware update | Android 11 | Android 8.1 Oreo |
User Interface | Android One | feature not registered |
⚙️ Processor | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Chipset | 64bit: Qualcomm Snapdragon 665 (SM6125) (11nm) | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) |
CPU | Octa-core, 2 processors: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) |
GPU graphical controller | Qualcomm Adreno 610 | Qualcomm Adreno 506 650Mhz |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
RAM memory | 4GB LPDDR4X | 3GB LPDDR3 |
Internal storage | 128GB (109GB available) UFS 2.1 | 32GB (21GB available) eMMC 5.1 |
External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 450/50 Mbps | 300/50 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | CDMA 800 (China), GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | M1803E6G Global version: UMTS 850/900/1900/2100 M1803E6E, M1803E6C, M1803E6T versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
Primary 4G network | LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE | LTE Cat6 M1803E6G Global version: LTE (Bands 1,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1803E6E, M1803E6C, M1803E6T versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP depth f/2.4 | (dual camera) 12 megapixels 5MP depth |
Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash on both cameras |
Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | 1/2" inches | feature not registered |
Pixel size | 0.8µm pixel | 1.25µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | 1080p@120fps | feature not registered |
📸 Front camera | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Front camera (secondary) | 32 megapixels | 16 megapixels |
Front camera resolution | 6528x4896 pixels | 4608x3456 pixels |
Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
Front flash | Not supported | LED |
Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/2.8" inches | feature not registered |
Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Loudspeaker | Mono sound (not stereo) | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Not supported | Not supported |
Infrared port | Supported | Supported |
🧭 Sensors | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 4030 mAh | 3080 mAh |
Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | 10W (5V/2A) Wired charging |
Inductive / wireless charging | Not supported | feature not registered |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported | Supported |
Video calling | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Gray, White, Blue | • Colors: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen |
☢️ Radiation rate | ||
Xiaomi Mi A3 (128GB) | Redmi S2 (32GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |