Samsung Galaxy Ace![]() |
HTC Desire 820![]() |
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Manufacturer | Samsung | HTC |
Announced | January 2011 | September 2014 |
Status | Available - February 2011 | Coming Soon - September 2014 |
Colors | Black, Hugo Boss Edition | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang |
Form Factor | Candybar | Candybar |
Dimension |
112.4 x 59.9 x 11.5 mm (4.43 x 2.36 x 0.45 in) |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
Weight | 113 g (3.99 oz) | 155 g (5.47 oz) |
2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version |
4G Network | - | LTE 900 / 1800 / 2100 / 2600 - EMEA version |
Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail |
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OS | Android OS, v2.2 (Froyo), upgradable to v2.3 | Android OS, v4.4.2 (KitKat) |
Processor | 800 MHz ARM 11 processor, Qualcomm MSM7227 chipset [Similar] | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 [Similar] |
GPU | Adreno 200 [Similar] | Adreno 405 [Similar] |
RAM | N/A | 2 GB [Browse Similar] |
Internal Memory | 158 MB storage | 16 GB |
External Memory | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 128 GB |
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Type | TFT capacitive touchscreen | LCD Capacitive Touchscreen |
Colors | 16M colors | 16M colors |
Size | 3.5 inches [Similar] | 5.5 inches [Similar] |
Resolution | 320 x 480 pixels (165 ppi) | 720 x 1280 pixels (267 ppi) [Similar] |
Screen-to-Body Ratio | 54.06% | 67.20% |
Multi-Touch | ![]() |
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3.5mm Jack | ![]() |
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Radio | Stereo FM radio with RDS | No |
Games | Yes | Yes + Downloadable |
Loud Speaker | ![]() |
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Rear Camera | 5 MP, 2592x1944 pixels [Similar] | 13 MP, 4160 x 3120 pixels [Similar] |
Flash | LED flash | LED flash |
Features | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR |
Video | Yes, QVGA@15fps | 1080p@30fps, 720p@60fps |
Front Camera | No [Similar] | 8 MP, 1080p [Similar] |
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GPRS | Yes | Yes |
Edge | Yes | Yes |
3G | HSDPA, 7.2 Mbps | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
Bluetooth | Yes, v2.1 with A2DP | v4.0, A2DP |
Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
USB | Yes, v2.0 microUSB | microUSB v2.0 |
GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
Browser | HTML | HTML5 |
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Internal | 158 MB storage | 16 GB, 2 GB RAM |
Expandable Storage | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 128 GB |
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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 | Non-removable Li-Po Battery |
Capacity | 1350 mAh | 2600 mAh |
Stand by | Up to 640 h (2G) Up to 420 h (3G) |
Up to 424 h (3G) |
Talk Time | Up to 11 h (2G) Up to 6 h 30 min (3G) |
Up to 22 h 24 min (3G) |