Samsung Galaxy M31 Prime vs Xiaomi Redmi Note 9
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| PHONES | ||
|---|---|---|
| Phone Names | Samsung Galaxy M31 Prime | Xiaomi Redmi Note 9 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 |
| EDGE | Yes | - |
| GPRS | Class 10 | - |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2020, October 14. Released 2020, October 17 | 2020, April 30 |
| Status | Discontinued | Available. Released 2020, May 12 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front (Gorilla Glass 5), plastic frame, plastic back |
| Dimensions | 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) | 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 199 g (7.02 oz) |
| - | Water-repellent coating | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Size | 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) | 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) |
| Type | Super AMOLED, 420 nits (peak) | IPS LCD, 450 nits (typ) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Exynos 9611 (10 nm) | Mediatek MT6769Z Helio G85 (12 nm) |
| GPU | Mali-G72 MP3 | Mali-G52 MC2 |
| OS | Android 10, One UI 2.0 | Android 10, upgradable to Android 12, MIUI 13 |
| Memory | ||
|---|---|---|
| Call records | Yes | - |
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 6GB RAM, 128GB 6GB RAM | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| Phonebook | Yes | - |
| UFS 2.1 | - | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, panorama, HDR | LED flash, HDR, panorama |
| Quad | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro), AF Auxiliary lens |
| Single | 3.15 MP | - |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR, panorama |
| Single | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm | 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Infrared port | - | Yes |
| NFC | No | Yes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio, RDS, recording | FM radio, built-in antenna |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Games | Downloadable | - |
| Java | Yes | - |
| Messaging | SMS, MMS, Email, Push Email, IM | - |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Virtual proximity sensing | - | |
| Battery | ||
|---|---|---|
| Charging | 15W wired | 18W wired 9W reverse wired |
| Stand-by | Up to 150 h | - |
| Talk time | Up to 1 h 30 min | - |
| Type | Li-Po 6000 mAh | Li-Po 5020 mAh |
| Misc | ||
|---|---|---|
| Colors | Ocean Blue, Space Black, Iceberg Blue | Forest Green, Midnight Grey, Polar White |
| Models | SM-M315F/DS | M2003J15SC, M2003J15SG, M2003J15SS |
| Price | About 190 EUR | € 88.99 / $ 85.68 / £ 136.28 |
| SAR | 0.38 W/kg (head) | 0.84 W/kg (head) 0.90 W/kg (body) |
| SAR EU | - | 0.80 W/kg (head) 1.14 W/kg (body) |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 125h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: 1242:1 (nominal) |
| Loudspeaker | - | -30.1 LUFS (Below average) |
| Performance | - | AnTuTu: 200414 (v8) GeekBench: 1292 (v5.1) |
| OUR TESTS | ||
|---|---|---|
| Battery (old) | - | Endurance rating 125h |
| Camera | - | Photo / Video |
| Display | - | 1242:1 contrast ratio, 370 nits max brightness (measured) |
| Loudspeaker | - | -30.1 LUFS (Below average) |
| Performance | - | AnTuTu: 200414 (v8) GeekBench: 1292 (v5.1) |