Xiaomi Redmi S2 (32GB) vs OnePlus 9 Pro (128GB)
Side by side comparison between Xiaomi Redmi S2 vs OnePlus 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
5.99"
IPS
IPS
720x1440
12
MP
MP
16mp
3GB
RAM
RAM
Octa-core
3080
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? OnePlus 9 Pro (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 |
Only digital zoom |
PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
HDR photo on both cameras / HDR photo/video on both cameras |
(front) 16MP |
Capacitive |
Multitouch |
Accelerometer |
+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 | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Model | Redmi S2 (32GB) | OnePlus 9 Pro (128GB) |
Other model names | 红米自拍手机S2, Xiaomi S2, Xiaomi Ysl | OnePlus 9 Pro LE2123 (Global), LE2121 (India), LE2120(China) |
Country or region available | ![]() ![]() (Global, International), China | ![]() (Global, International) |
Brand | Xiaomi | OnePlus |
Release date | 5/1/2018 | 3/30/2021, Announced: 3/23/2021 |
Depth | 8.1 millimeters (0.32 inches) | 8.7 millimeters (0.34 inches) |
Size (width x height) | 77.26 x 160.73 millimeters (3.04 x 6.33 in) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) |
Weight | 170 grams (5.95 ounces) | 197 grams (6.9 ounces) |
Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Display type | TFT IPS LCD | Fluid AMOLED |
Screen size | 5.99" inches | 6.7" inches |
Screen-to-body ratio | ~74.6% (screen-to-body ratio) | ~89.9% (screen-to-body ratio) |
Display resolution | 720x1440 pixels | 1440x3216 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 269 PPI | 526 PPI |
Colors | 16 million | 1 billion |
Scratch-resistant glass | Not supported | Gorilla Glass 5 |
Refresh rate | feature not registered | 120Hz |
Display features | feature not registered | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
System version | Android 7.1.2 Nougat | Android 11 |
Firmware update | Android 8.1 Oreo | Android 13 |
User Interface | feature not registered | OxygenOS 12 / 13 (Global) ColorOS 12 / 13 (China) |
⚙️ Processor | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Chipset | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
GPU graphical controller | Qualcomm Adreno 506 650Mhz | Qualcomm Adreno 660 (840MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
RAM memory | 3GB LPDDR3 | 8GB LPDDR5 |
Internal storage | 32GB (21GB available) eMMC 5.1 | 128GB (101GB available) UFS 3.1 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 300/50 Mbps | 2000/1024 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
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 | CDMA 800 (China), GSM 850/900/1800/1900 | CDMA 800 (China), GSM 850/900/1800/1900 |
Primary 3G network | M1803E6G Global version: UMTS 850/900/1900/2100 M1803E6E, M1803E6C, M1803E6T versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO (China) UMTS 800/850/900/1700/1800/1900/2100 |
Primary 4G network | 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) | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) |
Primary 5G network | Not supported | SA/NSA Global: (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78) India: (41, 78) China: (1, 3, 28, 41, 78, 79) |
Primary data network | 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 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 800/850/900/1700/1800/1900/2100 |
Secondary 4G network | Not supported | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Back camera (main camera) | (dual camera) 12 megapixels 5MP depth | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 |
Main camera resolution | 4000x3000 pixels | 8000x6000 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
Flash | LED flash on both cameras | Dual-LED flash |
Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 23mm (lens) |
Sensor size | feature not registered | 1/1.43" inches |
Pixel size | 1.25µm pixel | 1.12µm pixel |
Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Supported |
HDR | HDR photo on both cameras | HDR photo/video on both cameras |
Camera extras | feature not registered | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor |
📸 Front camera | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Front camera (secondary) | 16 megapixels | 16 megapixels |
Front camera resolution | 4608x3456 pixels | 4608x3456 pixels |
Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
Front flash | LED | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/3.06" inches |
Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | Not supported |
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 | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | Type-C reversible connector |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 4.2 + A2DP | 5.2 + A2DP/LE |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
NFC | Not supported | Supported |
Infrared port | Supported | Not supported |
🧭 Sensors | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3080 mAh | 4500 mAh |
Charger, watts | 10W (5V/2A) Wired charging | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 |
Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
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, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen | • Colors: Stellar Black, Morning Mist, Pine Green |
☢️ Radiation rate | ||
Redmi S2 (32GB) | OnePlus 9 Pro (128GB) | |
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 |