Phone Comparison - Samsung Galaxy A42 5G vs Asus Zenfone 8 vs Realme GT 2 Pro
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| Manufacturer | Samsung | Asus | Realme |
| Announced | 2020, September 02 | 2021, May 12 | 2022, January 04 |
| Status | Available. Released 2020, November 11 | Available. Released 2021, May 13 | Coming soon. Exp. release 2022, January 08 |
| Colors | Prism Dot Black, Prism Dot White, Prism Dot Gray | Obsidian Black, Horizon Silver | Paper White, Paper Green, Steel Black, Titanium Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in) |
148 x 68.5 x 8.9 mm (5.83 x 2.7 x 0.35 in) |
163.6 x 74 x 8.2 mm (6.44 x 2.91 x 0.32 in) |
| Weight | 193 g (6.81 oz) | 169 g (5.96 oz) | 199 g (7.02 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | 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 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41 |
LTE | LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 66 |
| 5G Network | 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe 1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6 |
SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor |
- Fingerprint Sensor (under display, optical) IP68 dust/water resistant (up to 1.5m for 30 mins) |
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| OS | Android 10, upgradable to Android 11, One UI 3.1 | Android 11 | Android 12 |
| User Interface | One UI 2.1 | ZenUI 8 | Realme UI 3.0 |
| Processor | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm) | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510), Qualcomm SM8450 Snapdragon 8 Gen1 (4 nm) |
| GPU | Adreno 619 | Adreno 660 | Adreno 730 |
| RAM | 8 GB | 16 GB | 12 GB |
| Internal Memory | 128 GB | 256 GB | 512 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | No |
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| Type | HD+ Super AMOLED capacitive touchscreen | FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10+ 1100 nits (peak) |
QHD+ LTPO2 AMOLED Screen 120Hz Refresh Rate HDR10+ 1400 nits (peak) Corning Gorilla Glass Victus |
| Colors | 16M Colour | 16M colors | 1B Colors |
| Size | 6.6 inches | 5.9 inches | 6.7 inches |
| Resolution | 720 x 1600 pixels (266 ppi) | 1080 x 2400 pixels (446 ppi) | 1440 x 3216 pixels (526 ppi) |
| Screen-to-Body Ratio | 84.18% | 82.92% | 89.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Unspecified | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 5 MP + 5 MP | 64 MP + 12 MP | 50 MP + 50 MP + 2 MP |
| Flash | LED Flash | LED Flash | Dual-LED Dual-tone Flash |
| Features | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) Panorama, HDR |
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF HDR, Panorama |
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, omnidirectional PDAF, OIS 50 MP, f/2.2, 15mm, 150˚ (ultrawide) 2 MP, f/3.0, (microscope), AF, 40x magnification HDR, Panorama |
| Video | 4K@30fps, 1080p@30fps, 720p@480fps | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR | 8K, 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS |
| Front Camera |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF Video 4K@30fps, 1080p@30/60fps [Similar] |
32 MP, f/2.4, 26mm (wide), 1/2.74", 0.8µm HDR, panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA) | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX Adaptive | 5.2, A2DP, LE, aptX HD |
| 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/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector | USB Type-C | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1 | 256 GB, 16 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 12 GB RAM UFS 3.1 |
| Expandable Storage | microSDXC | microSDXC (dedicated 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 30W USB Power Delivery 3.0 Reverse charging |
Non-removable Li-Po Battery Fast battery Charging 65W, 100% in 33 min (advertised) |
| Capacity | 5000 mAh | 4000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
