Xiaomi Redmi 9 Prime (128GB) vs Xiaomi Redmi S2 (32GB)
Side by side comparison between Xiaomi Redmi 9 Prime vs Xiaomi Redmi S2 phones, differences, pros, cons and full specifications. What's the better?
,
6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
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 Redmi 9 Prime (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!
16 Advantages 
6 Advantages | 27 Common items in both devices |
| eMMC 5.1 |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +20 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 9 Prime (128GB) | Redmi S2 (32GB) | |
| Model | Redmi 9 Prime (128GB) | Redmi S2 (32GB) |
| Other model names | Xiaomi Redmi 9 Prime (M2004J19PI) | 红米自拍手机S2, Xiaomi S2, Xiaomi Ysl |
| Country or region available |  India |   (Global, International), China |
| Brand | Xiaomi | Xiaomi |
| Release date | 8/4/2020 | 5/1/2018 |
| Depth | 9.1 millimeters (0.36 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) | 77.26 x 160.73 millimeters (3.04 x 6.33 in) |
| Weight | 198 grams (6.93 ounces) | 170 grams (5.95 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.53" inches | 5.99" inches |
| Screen-to-body ratio | ~83.2% (screen-to-body ratio) | ~74.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 269 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 400nits[typ] | feature not registered |
🤖 Operating System | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| System version | Android 10 | Android 7.1.2 Nougat |
| Firmware update | feature not registered | Android 8.1 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Chipset | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (950MHz) | Qualcomm Adreno 506 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| RAM memory | 4GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated 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 | 300/50 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 850/900/1900/2100 | 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 Cat6 (1, 3, 5, 8) TD-LTE (40, 41) 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 | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Back camera (main camera) | (quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4 | (dual camera) 12 megapixels 5MP depth |
| Main camera resolution | 4128x3096 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm 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 | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Front camera (secondary) | 8 megapixels | 16 megapixels |
| Front camera resolution | 3264x2448 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 | 27mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Loudspeaker | Supported | 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 | ||
| Redmi 9 Prime (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 | USB Type-C (reversible) | 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 | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5020 mAh | 3080 mAh |
| Charger, watts | 18W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 31 hours (1.3 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Space Blue, Mint Green, Matte Black, Sunrise Flare • MIUI 11 • 10W charger included | • Colors: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen |
☢️ Radiation rate | ||
| Redmi 9 Prime (128GB) | Redmi S2 (32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.85W/kg (head), 0.42W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |