Xiaomi Redmi Note 9 vs vivo Y21a
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| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi Note 9 | vivo Y21a |
| 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 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2020, April 30 | 2022, January 22 |
| Status | Available. Released 2020, May 12 | Available. Released 2022, February 14 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 5), plastic frame, plastic back | Glass front, plastic frame, plastic back |
| Dimensions | 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) | 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 199 g (7.02 oz) | 182 g (6.42 oz) |
| Water-repellent coating | - | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | - |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Size | 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) | 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) |
| Type | IPS LCD, 450 nits (typ) | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core 2.0 GHz Cortex-A53Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) - Egypt |
| Chipset | Mediatek MT6769Z Helio G85 (12 nm) | Mediatek MT6762 Helio P22 (12 nm)Mediatek MT6765 Helio P35 (12 nm) - Egypt |
| GPU | Mali-G52 MC2 | PowerVR GE8320 |
| OS | Android 10, upgradable to Android 12, MIUI 13 | Android 11, Funtouch 11.1 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | - | 13 MP, f/2.2, (wide), PDAF 2 MP (macro) |
| Features | LED flash, HDR, panorama | LED flash |
| Quad | 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 | - | 8 MP, f/1.8, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR, panorama | HDR |
| Single | 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm | 8 MP, f/1.8, (wide) |
| Video | 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 | Yes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No) | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio, built-in antenna | FM radio |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| 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 | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired 9W reverse wired | 18W wired 2.5W reverse wired |
| Type | Li-Po 5020 mAh | 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Forest Green, Midnight Grey, Polar White | Midnight Blue, Diamond Glow |
| Models | M2003J15SC, M2003J15SG, M2003J15SS | - |
| Price | € 88.99 / $ 85.68 / £ 136.28 | - |
| SAR | 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) | - |