Phone Comparison - HTC Amaze 4G vs HTC Velocity 4G vs HTC Desire HD
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| Manufacturer | HTC | HTC | HTC |
| Announced | September 2011 | January 2012 | September 2010 |
| Status | Available - October 2011 | Available - January 2012 | Available - October 2010 |
| Colors | Black, White | Black | Black, Brown |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130 x 65.6 x 11.8 mm (5.12 x 2.58 x 0.46 in) |
126.1 x 57 x 11.3 mm (4.96 x 2.24 x 0.44 in) |
123 x 68 x 11.8 mm (4.84 x 2.68 x 0.46 in) |
| Weight | 172.9 g (6.07.0.32 oz) | 163.8 g (5.75.0.28 oz) | 164 g (5.78 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 1700 / 2100 or HSDPA 1700 / 1900 / 2100 HSDPA 850 / 1900 / 2100 |
HSDPA 850 / 2100 | HSDPA 900 / 2100 HSDPA 850 / 1900 - North America |
| 4G Network | - | LTE 1800 | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3.4 (Gingerbread) | Android OS, v2.3.7 (Gingerbread) | Android OS, v2.2 (Froyo), v2.3 (Gingerbread), not upgradable to v4.0 (Ice Cream Sandwich) |
| Processor | Dual-core 1.5 GHz Scorpion, Qualcomm Snapdragon S3 APQ8060 | Dual-core 1.5 GHz Scorpion, Qualcomm MSM8260 Snapdragon | 1 GHz Scorpion, Qualcomm MSM8255 Snapdragon |
| GPU | Adreno 220 | Adreno 220 | Adreno 205 |
| RAM | 1 GB | 1 GB | 768 MB |
| Internal Memory | 16 GB storage | 16 GB (13 GB user available) | 1.5 GB; |
| External Memory | microSD, up to 32GB | microSD, up to 32GB | microSD, up to 32 GB, 8 GB included |
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| Type | S-LCD capacitive touchscreen | S-LCD capacitive touchscreen | LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.5 inches | 4.3 inches |
| Resolution | 540 x 960 pixels (256 ppi) | 540 x 960 pixels (245 ppi) | 480 x 800 pixels (217 ppi) |
| Screen-to-Body Ratio | 59.84% | 77.52% | 62.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | |
| Games | Yes | Yes | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels |
| Flash | dual-LED flash | dual-LED flash | dual-LED flash |
| Features | Auto focus, Geo-tagging, Touch-focus, Face Detection, SmartShot, BurstShot, SweepShot, ClearShot | Auto focus, Geo-tagging, Image Stabilization, Face Detection, Instant Capture | Auto focus, Geo-tagging, Face Detection |
| Video | Yes, 1080p | Yes, 1080p@60fps | Yes, 720p |
| Front Camera | Yes, 2 MP [Similar] | Yes, 1.3 MP, 720p [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Class 32 |
| Edge | Yes | Yes | Class 32 |
| 3G | HSDPA, 42 Mbps; HSUPA | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, 50 Mbps UL, 100 Mbps DL | HSDPA 7.2/14.4 Mbps; HSUPA 2/5.76 Mbps (carrier dependent) |
| Bluetooth | Yes, v3.0 with A2DP, EDR | Yes, with A2DP | Yes v2.1 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB (MHL) v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash | HTML5, Adobe Flash | HTML, Adobe Flash |
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| Internal | 16GB storage, 1 GB RAM | 16 GB (13 GB user available), 1 GB RAM | 1.5 GB; 768 MB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32GB | microSD, up to 32 GB, 8 GB included |
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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 | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1730 mAh | 1620 mAh | 1230 mAh |
| Stand by | Up to 264 h | Up to 490 h (2G) Up to 420 h (3G) |
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| Talk Time | Up to 6 h | Up to 9 h 15 min (2G) Up to 5 h 30 min (3G) |
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