On this page we compare specs HTC ChaCha 800 MHz with HTC Desire 820 Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | HTC ChaCha | HTC Desire 820 |
|---|
| Operating system | Android 2.3 (Gingerbread); Sense UI 2.1 | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
| Processor | 800 MHz | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
| Chipset | | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
| GPU | | Adreno 405 |
| Internal memory | 512 MB, 512 MB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 32 GB (dedicated slot), 2 GB included | microSD, up to 256 GB (dedicated slot) |
| Display | HTC ChaCha | HTC Desire 820 |
|---|
| Type | TFT | LCD |
| Size | 2.6" inc | 5.5" inc |
| Resolution | 480 x 320 px | 720 x 1280 px |
| Protection | Corning Gorilla Glass | Corning Gorilla Glass 3 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 27.2% | 67.2% |
| Display area | 20.1 cm2 | 83.4 cm2 |
| Display aspect ratio | 3:2 (height:width) | 16:9 (height:width) |
| Pixel Density | 222 PPI | 267 PPI |
| Colors | 256K | 16M |
| Connectivity | HTC ChaCha | HTC Desire 820 |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia |
| 4G Network | | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | GSM / HSPA | GSM / HSPA / LTE |
| SIM card | Mini-SIM | Nano-SIM |
| Bluetooth | 3.0, A2DP | 4.0, A2DP, aptX |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| NFC | | Yes (optional) |
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB | microUSB 2.0 | microUSB 2.0, USB Host |
| Camera | HTC ChaCha | HTC Desire 820 |
|---|
| Main camera | 5 MP, Single | 13 MP, Single |
| Specs | 5 MP, AF | 13 MP, f/2.2, 28mm (wide), AF |
| Features | LED flash | LED flash, HDR |
| Video | 480p@30fps | 1080p@30fps, 720p@60fps |
| Selfie camera | 0.3 MP, Single | 8 MP, Single |
| Multimedia | HTC ChaCha | HTC Desire 820 |
|---|
| 3.5 mm Jack | Yes | Yes |
| Radio | Stereo FM radio, RDS | FM radio |
| Design | HTC ChaCha | HTC Desire 820 |
|---|
| Colors | Black, Silver | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
| Dimensions | 114.4 x 64.6 x 10.7 mm | 157.7 x 78.7 x 7.7 mm |
| Weight | 120 g | 155 g |
| Battery | HTC ChaCha | HTC Desire 820 |
|---|
| Battery capacity | 1250 mAh, Removable Li-Ion | 2600 mAh, Non-removable Li-Po |
| Battery life | Stand by time- Up to 430 h (2G) / Up to 660 h (3G)
Talking time- Up to 7 h 30 min (2G) / Up to 7 h (3G)
| Stand by time- Up to 424 h (3G)
Talking time- Up to 22 h 24 min (3G)
|
| Other | HTC ChaCha | HTC Desire 820 |
|---|
| SAR | SAR - 0.68 W/kg (head), 1.37 W/kg (body) | |
| Release date | 2011, February | 2014, September |
| Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass |
