Phone Comparison - HTC Desire U vs HTC Desire 820 vs Samsung Galaxy A20e
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| Manufacturer | HTC | HTC | Samsung |
| Announced | January 2013 | September 2014 | April 2019 |
| Status | Available - June 2015 | Coming Soon - September 2014 | Coming Soon - April 2019 |
| Colors | White, Black, Orange | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
118.5 x 62.3 x 9.3 mm (4.67 x 2.45 x 0.37 in) |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
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| Weight | 114 g (4.02 oz) | 155 g (5.47 oz) | - |
| SIM Type | - | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE 900 / 1800 / 2100 / 2600 - EMEA version | LTE |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | |
| Build Features | - | - | - Fingerprint Sensor |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.4.2 (KitKat) | Android 9.0 (Pie) |
| Processor | 1 GHz | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 |
| GPU | - | Adreno 405 | Mali-G71 |
| RAM | 512 MB | 2 GB | 3 GB |
| Internal Memory | 4 GB storage | 16 GB | 32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 512 GB (dedicated slot) |
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| Type | Super LCD capacitive touchscreen | LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 5.5 inches | 5.8 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (267 ppi) | 720 x 1560 pixels (296 ppi) |
| Screen-to-Body Ratio | 61.81% | 67.20% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 13 MP, 4160 x 3120 pixels | 13 MP + 5 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR | 13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, 12mm (ultrawide) Panorama, HDR |
| Video | Yes, WVGA | 1080p@30fps, 720p@60fps | 1080p@30fps |
| Front Camera | No [Similar] | 8 MP, 1080p [Similar] | 8 MP, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | v4.0, A2DP | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB 2.0 |
| GPS | - | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML | HTML5 | Yes |
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| Internal | 4 GB storage, 512 MB RAM | 16 GB, 2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 512 GB (dedicated slot) |
| USB OTG | - | - | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Ion Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 1650 mAh | 2600 mAh | 3000 mAh |
| Stand by | - | Up to 424 h (3G) | - |
| Talk Time | - | Up to 22 h 24 min (3G) | - |
