Phone Comparison - Xiaomi Redmi 8 vs Samsung Galaxy S21 Ultra 5G vs Google Pixel 7
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| Price Comparison (India) | - | ||
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| Manufacturer | Xiaomi | Samsung | |
| Announced | August 2019 | 2021, January 14 | 2022, October 06 |
| Status | Coming Soon October 9, 2019 | Coming soon. Exp. release 2021, January 29 | Coming soon. Exp. release 2022, October 13 |
| Price | Rs. 7,999 ($0.00) [Similarly Priced] | Rs. 105,999 ($0.00) [Similarly Priced] | Rs. 59,999 ($0.00) [Similarly Priced] |
| Colors | Onyx Black, Ruby Red, Sapphire Blue | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Obsidian, Lemongrass, Snow |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
156.3 × 75.4 × 9.4 mm (6.15 × 2.97 × 0.37 in) |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
155.6 x 73.2 x 8.7 mm (6.13 x 2.88 x 0.34 in) |
| Weight | 180 g (6.35 oz) | 227 g (8.01 oz) | 197 g (6.95 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM and/or eSIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 40, 41, 42, 46, 48, 66, 71 - GQML3 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71 - GVU6C |
| 5G Network | - | SA/NSA/Sub6/mmWave | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 40, 41, 46, 48, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - GQML3 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 75, 76, 77, 78 SA/NSA/Sub6 - GVU6C |
| Messaging | |||
| Build Features | - Fingerprint Sensor - P2i nano hydrophobic coating |
- Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ |
- Fingerprint Sensor (under display, optical) IP68 dust/water resistant (up to 1.5m for 30 mins) |
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| OS | Android 9.0 (Pie) | Android 11 | Android 13 |
| User Interface | MIUI 10 | One UI 3.0 | - |
| Processor | Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), Qualcomm SDM439 Snapdragon 439 (12 nm) | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA | Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A76 & 4x1.80 GHz Cortex-A55), Google Tensor G2 (4 nm) |
| GPU | Adreno 505 | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea | Mali-G710 MC10 |
| RAM | 4 GB | 16 GB | 8 GB |
| Internal Memory | 64 GB | 512 GB | 256 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSDXC (uses shared SIM slot) | No |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 | QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display |
FHD+ AMOLED Screen 90Hz Refresh Rate HDR10+ 1000 nits (HBM), 1400 nits (peak) Corning Gorilla Glass Victus |
| Colors | 16M colors | 16M Colour | 16M Colors |
| Size | 6.22 inches | 6.8 inches | 6.3 inches |
| Resolution | 720 x 1520 pixels (270 ppi) | 1440 x 3200 pixels (516 ppi) | 1080 x 2400 pixels (418 ppi) |
| Screen-to-Body Ratio | - | 89.46% | 84.03% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio (Snapdragon model only; market/operator dependent) | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP + 2 MP | 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP | 50 MP + 12 MP |
| Flash | LED Flash | LED flash | Dual-LED Flash |
| Features | 12 MP, f/2.2, 1.25µm, PDAF 2 MP, depth sensor HDR, Panorama |
108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video auto-HDR, panorama |
50 MP, f/1.9, 25mm (wide), 1/1.31", 1.2µm, multi-directional PDAF, Laser AF, OIS 12 MP, f/2.2, 114˚ (ultrawide), 1/2.9", 1.25µm Pixel Shift, Auto-HDR, Panorama |
| Video | 1080p@30/60fps | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS, 10-bit HDR |
| Front Camera | 8 MP, HDR, 1080p@30fps [Similar] |
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
10.8 MP, f/2.2, 21mm (ultrawide), 1/3.1", 1.22µm Auto-HDR, panorama 4K@30/60fps, 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | 4.2, A2DP, LE | 5.2, A2DP, LE | 5.2, A2DP, LE, aptX HD |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0, USB On-The-Go | USB Type-C 3.2, USB On-The-Go | USB Type-C 3.1 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with dual-band A-GPS, GLONASS, GALILEO, QZSS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM or 16 GB, 2 GB RAM | 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSDXC (uses shared SIM slot) | No |
| USB OTG | Supported | 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W |
Non-removable Li-Po Battery Fast battery Charging 30W, 50% in 30 min (advertised) Fast wireless charging 20W Reverse wireless charging USB Power Delivery 3.0 |
| Capacity | 5000 mAh | 5000 mAh | 4355mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 7,999 
