| Infinix Smart 3 |
Xiaomi Redmi Note 9 Pro |
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| Hardware and OS | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Operating system | Android 9.0 (Pie) | Android 10.0; MIUI 11 |
| Processor | Quad-core 2.0 GHz Cortex-A53 | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | Mediatek MT6761 Helio A22 (12 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | PowerVR GE8320 | Adreno 618 |
| RAM | 2 GB | |
| Internal memory | 64GB 4GB RAM, 128GB 6GB RAM | |
| Memory Card Slot | Yes, up to 128 GB via microSD card | |
| External memory | microSDXC (dedicated slot) | |
| Display | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
| Size | 5.5 inches, 96.7 cm2 (~81.3% screen-to-body ratio) | 6.67" inc |
| Resolution | 720 x 1440 pixels, 18:9 ratio | 1080 x 2400 px |
| Protection | Corning Gorilla Glass 5 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 84.5% | |
| Display area | 107.4 cm2 | |
| Display aspect ratio | 20:9 (height:width) | |
| Pixel Density | 395 PPI | |
| Colors | 16M | |
| Other | 450 nits typ. brightness (advertised) | |
| Connectivity | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Technology | GSM / HSPA / LTE | |
| NFC | No | |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1800 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 40(2300) | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | Bluetooth 4.2, A2DP | 5.0, A2DP, LE |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | Micro USB 2.0, USB OTG | 2.0, Type-C 1.0 reversible connector |
| Camera | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Camera Type | Double Lenses | |
| Video Recording | 2160p@30fps, 1080p@30fps, | |
| Camera Features | FaceID, HDR 6-level AI face Beauty f/2.2 aperture | |
| Video Resolution | 1080p@30fps | |
| Main camera | 13 2 MP | 48 MP, Quad |
| Specs | 48 MP, f/1.8, (wide), 1/2.25", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro), 1.12µm -2 MP, f/2.4, (depth) | |
| Features | LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS | |
| Selfie camera | 8-megapixel, | 16 MP, Single |
| Multimedia | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Headphone jack | Yes, 3.5mm audio jack | |
| FM Radio | Yes | |
| Loudspeaker | Yes | |
| Sound Enhancements | Active noise cancellation with dedicated mic | |
| Speaker Location | Chin, below display | |
| 3.5 mm Jack | Yes | |
| Radio | FM radio, recording | |
| Design | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Aurora Blue, Glacier White, Interstellar Black | |
| Body build | Front/back glass (Gorilla Glass 3) | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 146.5 x 71 x 5.6 mm (6.16 x 2.99 x 0.22 in) | 165.8 x 76.7 x 8.8 mm |
| Weight | 150 g (5.29 oz) | 209 g |
| Other features | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Colors | Milan Black, Blue and Purple | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | |
| Battery | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Capacity | Non-removable Li-Ion 3500 mAh battery | |
| Fast Charging | No | |
| Wireless Charging | No | |
| Music Play time | Up to 31 hours | |
| Standby time | Up to 480 hours | |
| TalkTime | Up to 28 hours | |
| Battery capacity | 5020 mAh, Non-removable Li-Po | |
| Other | Infinix Smart 3 | Xiaomi Redmi Note 9 Pro |
| Release date | 2020, March 12 | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
