Phone Comparison - Samsung Galaxy S8+ vs Xiaomi Poco X3 NFC vs Samsung Galaxy S21+ 5G
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Xiaomi | Samsung |
| Announced | March 2017 | 2020, September 07 | 2021, January 14 |
| Status | Available - April 2017 | Coming soon. Exp. release 2020, September 08 | Coming soon. Exp. release 2021, January 29 |
| Price | Rs. 64,900 ($845.00) [Similarly Priced] | - | Rs. 81,999 ($999.99) [Similarly Priced] |
| Colors | Black, White, Gold, Silver, Pink Gold | Gray, Blue | Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
159.5 x 73.4 x 8.1 mm (6.28 x 2.89 x 0.32 in) |
165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in) |
161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in) |
| Weight | 173 g (6.1 oz) | 215 g (7.58 oz) | 200 g (7.05 oz) |
| SIM Type | Dual-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM and/or eSIM), 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
| 3G Network | HSDPA | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G996U1 |
| 5G Network | - | - | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G996U1 |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | IP68 certified | - Fingerprint Sensor (side-mounted) Water-repellent coating |
- Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ |
| Notification LED | Yes | - | - |
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| OS | Android OS, v7.0 (Nougat) | Android 10 | Android 11 |
| User Interface | - | MIUI 12 | One UI 3.1 |
| Processor | Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) / Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835/ Exynos 8895 Octa | Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SM7150-AC Snapdragon 732G (8 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 - International / Qualcomm Snapdragon 888 - USA/China/Korea |
| GPU | Adreno 540 | Adreno 618 | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea |
| RAM | 4/6 GB | 6 GB | 8 GB |
| Internal Memory | 64/128 GB | 128 GB | 256 GB |
| External Memory | microSD, up to 256 GB (dedicated slot) | microSDXC (uses shared SIM slot) | Unspecified |
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| Type | Super AMOLED capacitive touchscreen, Gorilla Glass 5 | IPS LCD capacitive touchscreen Corning Gorilla Glass 5 HDR10 120Hz refresh rate 450 nits typ. brightness (advertised) |
FHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1300 nits (peak) Corning Gorilla Glass Victus Always-on display |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.2 inches | 6.67 inches | 6.7 inches |
| Resolution | 1440 x 2960 pixels (531 ppi) | 1080 x 2400 pixels (395 ppi) | 1080 x 2400 pixels (393 ppi) |
| Screen-to-Body Ratio | 83.31% | 84.43% | 88.68% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio, recording | FM radio (Snapdragon model only; market/operator dependent) |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP | 64 MP + 13 MP + 2 MP + 2 MP | 12 MP + 64 MP + 12 MP |
| Flash | Dual-LED (Dual Tone) | Dual-LED flash | LED Flash |
| Features | Phase Detection Autofocus, f/1.7 aperture, OIS, Geo-tagging, Simultaneous 4K Video And Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 13 MP, f/2.2, 119˚ (ultrawide), 1.0µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video Auto-HDR, Panorama |
| Video | 2160p@60fps, 1080p@120fps, HDR, dual-video rec. | 1080p@30fps | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS |
| Front Camera | 8 MP, AF [Similar] |
20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm HDR 1080p@30fps [Similar] |
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | v4.2, A2DP, LE, aptX | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot |
| USB | v3.1, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 3.2, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Browser | HTML5 | Yes | Yes |
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| Internal | 64/128 GB, 4/6 GB RAM | 128 GB, 6 GB RAM or 64 GB, 6 GB RAM UFS 2.1 | 256 GB, 8 GB RAM or 128GB, 8 GB RAM (UFS 3.1) |
| Expandable Storage | microSD, up to 256 GB (dedicated slot) | microSDXC (uses shared SIM slot) | Unspecified |
| 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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| Heart-rate Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion battery | Non-removable Li-Po Battery Fast battery charging 33W, 62% in 30 min, 100% in 65 min (advertised) |
Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Power bank/Reverse wireless charging 4.5W |
| Capacity | 3500 mAh | 5160 mAh | 4800 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 64,900 
