Phone Comparison - Samsung Galaxy S9 vs Samsung Galaxy A02 vs Xiaomi Redmi Note 11 Pro 5G
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | February 2018 | 2021, January 27 | January 2022 |
| Status | Coming Soon, March 2018 | Available. Released 2021, January 27 | Coming Soon - February 2022 |
| Price | Rs. 52,999 ($750.00) [Similarly Priced] | - | - |
| Colors | Various | Black, Blue, Red | Graphite Gray, Polar White, Atlantic Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
147.7 x 68.7 x 8.5 mm (5.81 x 2.7 x 0.33 in) |
164 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
164.2 x 76.1 x 8.1 mm (6.46 x 3 x 0.32 in) |
| Weight | 163 g (5.75 oz) | 206 g (7.27 oz) | 202 g (7.13 oz) |
| SIM Type | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 800 / 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500) | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 66 |
| 5G Network | - | - | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - Fingerprint Sensor - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes |
- | - Fingerprint Sensor (side-mounted) IP53, dust and splash protection |
| Notification LED | Yes | - | - |
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| OS | Android 8.0 (Oreo) | Android 10 | Android 11 |
| User Interface | Samsung Experience | One UI 2.5 | MIUI 13 |
| Processor | Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA Qualcomm Snapdragon 845 |
Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver), Qualcomm SM6375 Snapdragon 695 5G (6 nm) |
| GPU | Mali-G72 MP18 - EMEA Adreno 630 - USA & China |
Adreno 506 | Adreno 619 |
| RAM | 4 GB | 2 GB | 8 GB |
| Internal Memory | 64 GB | 32 GB | 128 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
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| Type | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | PLS TFT Display | FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10 700 nits, 1200 nits (peak) Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M Colour | 16M Colors |
| Size | 5.8 inches | 6.5 inches | 6.67 inches |
| Resolution | 1440 x 2960 pixels (568 ppi) | 720 x 1520 pixels (259 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 84.00% | 84.56% | 85.77% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP | 13 MP + 2 MP | 108 MP + 8 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Phase Detection Autofocus, f/1.5 - f/2.4 variable aperture lens, 26mm, 1/2.5", 1.4 µm, Dual Pixel PDAF, OIS, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF 2 MP, f/2.4, (depth) |
108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, dual pixel PDAF 8 MP, f/2.2, 118˚ (ultrawide) 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | 2160p@30fps, 1080p@60fps, HDR, dual-video rec. | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] | 8 MP, f/2.2, 1/4", 1.12µm [Similar] |
16 MP, f/2.4, (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | 5.0, A2DP, LE, aptX | 4.2, A2DP, LE | 5.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | 3.1, Type-C 1.0 reversible connector | microUSB 2.0 | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Browser | HTML5 | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM | 32 GB, 2 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 6 GB RAM UFS 2.2 |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| USB OTG | Not Supported | Not Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| Barometer Sensor | |
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| Heart-rate Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion battery | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery Charging 67W, 50% in 15 min, 100% in 42 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
| Capacity | 3000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
