Xiaomi Redmi Note 8 2021 vs Oppo A3 4G
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| PHONES | ||
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| Phone Names | Xiaomi Redmi Note 8 2021 | Oppo A3 4G |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2021, May 25 | 2024, August 20 |
| Status | Available. Released 2021, May 27 | Available. Released 2024, August 20 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame | - |
| Dimensions | 158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in) | 165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 190 g (6.70 oz) | 186 g (6.56 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | Panda glass |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) | 720 x 1604 pixels, 20:9 ratio (~264 ppi density) |
| Size | 6.3 inches, 97.4 cm2 (~81.7% screen-to-body ratio) | 6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio) |
| Type | IPS LCD, 500 nits (typ) | IPS LCD, 90Hz, 1000 nits (HBM) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) |
| Chipset | Mediatek MT6769Z Helio G85 (12 nm) | Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm) |
| GPU | Mali-G52 MC2 | Adreno 610 |
| OS | Android 11, MIUI 12.5 | Android 14, ColorOS 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC |
| Internal | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| eMMC 5.1 | - | |
| Main Camera | ||
|---|---|---|
| Dual | - | 50 MP, f/1.8, (wide), PDAF Auxiliary lens |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Quad | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens | - |
| Single | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm | - |
| Video | 1080p@30/120fps; gyro-EIS | 1080p@30/60fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR, panorama | - |
| Single | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm | 5 MP, f/2.2, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | - |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.0, A2DP, LE |
| Infrared port | Yes | - |
| NFC | No | Yes, 360˚ (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | FM radio | Unspecified |
| USB | USB Type-C 2.0, OTG | 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 |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired | 45W wired, PD2.0, PPS, 50% in 30 min |
| Type | Li-Po 4000 mAh | 5100 mAh |
| Misc | ||
|---|---|---|
| Colors | Neptune Blue, Moonlight White, Space Black | Sparkle Black, Starry Purple, Starlight White |
| Models | M1908C3JGG | CPH2669, CPH3669 |
| Price | About 160 EUR | About 150 EUR |
| SAR | 0.97 W/kg (head) 0.75 W/kg (body) | - |
| SAR EU | 0.57 W/kg (head) 0.94 W/kg (body) | - |
| Tests | ||
|---|---|---|
| Battery life | Endurance rating 102h | - |
| Camera | Photo / Video | - |
| Display | Contrast ratio: 1487:1 (nominal) | - |
| Loudspeaker | -28.6 LUFS (Average) | - |
| Performance | AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen) | - |
| OUR TESTS | ||
|---|---|---|
| Battery (old) | Endurance rating 102h | - |
| Camera | Photo / Video | - |
| Display | 1487:1 contrast ratio, 620 nits max brightness (measured) | - |
| Loudspeaker | -28.6 LUFS (Average) | - |
| Performance | AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen) | - |