Xiaomi Redmi 9 Prime (128GB) vs Samsung Galaxy Gran Prime Duos (TV SM-G531BT)
Side by side comparison between Xiaomi Redmi 9 Prime vs Samsung Galaxy Gran Prime Duos phones, differences, pros, cons and full specifications. What's the better?
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6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
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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!
25 Advantages 
4 Advantages | 17 Common items in both devices |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| +10 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) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Model | Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) |
| Other model names | Xiaomi Redmi 9 Prime (M2004J19PI) | Galaxy Grand Prime SM-G531BT (3G) |
| Country or region available |  India |     (Global, International), Brazil, Canada, Singapore |
| Brand | Xiaomi | Samsung |
| Release date | 8/4/2020 | 6/1/2015 |
| Depth | 9.1 millimeters (0.36 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) | 72.1 x 144.8 millimeters (2.84 x 5.7 in) |
| Weight | 198 grams (6.93 ounces) | 156 grams (5.46 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.53" inches | 5" inches |
| Screen-to-body ratio | ~83.2% (screen-to-body ratio) | ~66% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 220 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| System version | Android 10 | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Chipset | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) | 64bit: Marvell Armada PXA1908 (28nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (950MHz) | Vivante GC7000UL |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| RAM memory | 4GB LPDDR4X | 1GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 8GB (4GB available) eMMC |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 300/50 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| 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 | 8 megapixels |
| Main camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| 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) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + 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 | Not supported |
🧭 Sensors | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5020 mAh | 2600 mAh |
| Charger, watts | 18W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 31 hours (1.3 days) | 14 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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 | External retractable antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Space Blue, Mint Green, Matte Black, Sunrise Flare • MIUI 11 • 10W charger included | • Colors: White, Black, Gold • Samsung TouchWiz UI • Samsung KIES |
☢️ Radiation rate | ||
| Redmi 9 Prime (128GB) | Galaxy Gran Prime Duos (TV SM-G531BT) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.85W/kg (head), 0.42W/kg (body) | 0.71W/kg (head), 1.38W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.598W/kg (head), 0.506W/kg (body) |