On this page we compare specs HTC One VX Dual-core 1.2 GHz Krait 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 One VX | HTC Desire 820 |
|---|
| Operating system | Android 4.0 (Ice Cream Sandwich); Sense UI 4 | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
| Processor | Dual-core 1.2 GHz Krait | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
| Chipset | Qualcomm MSM8930 Snapdragon 400 (28 nm) | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
| GPU | Adreno 305 | Adreno 405 |
| Internal memory | 8 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | HTC One VX | HTC Desire 820 |
|---|
| Type | Super LCD2 | LCD |
| Size | 4.5" inc | 5.5" inc |
| Resolution | 540 x 960 px | 720 x 1280 px |
| Protection | | Corning Gorilla Glass 3 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 61.9% | 67.2% |
| Display area | 55.8 cm2 | 83.4 cm2 |
| Display aspect ratio | 16:9 (height:width) | 16:9 (height:width) |
| Pixel Density | 245 PPI | 267 PPI |
| Colors | 16M | 16M |
| Connectivity | HTC One VX | HTC Desire 820 |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia |
| 4G Network | LTE band 4(1700/2100), 17(700) | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Micro-SIM | Nano-SIM |
| Bluetooth | 4.0, A2DP, aptX | 4.0, A2DP, aptX |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| NFC | Yes | Yes (optional) |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB | microUSB 2.0 | microUSB 2.0, USB Host |
| Camera | HTC One VX | 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, HDR | LED flash, HDR |
| Video | 1080p@30fps | 1080p@30fps, 720p@60fps |
| Selfie camera | 0.3 MP, Single | 8 MP, Single |
| Multimedia | HTC One VX | HTC Desire 820 |
|---|
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | HTC One VX | HTC Desire 820 |
|---|
| Colors | White, Black, Gray | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
| Dimensions | 133.5 x 67.6 x 9.2 mm | 157.7 x 78.7 x 7.7 mm |
| Weight | 124.7 g | 155 g |
| Battery | HTC One VX | HTC Desire 820 |
|---|
| Battery capacity | 1800 mAh, Non-removable Li-Ion | 2600 mAh, Non-removable Li-Po |
| Battery life | | Stand by time- Up to 424 h (3G)
Talking time- Up to 22 h 24 min (3G)
|
| Other | HTC One VX | HTC Desire 820 |
|---|
| SAR | SAR - 1.16 W/kg (head), 1.23 W/kg (body) | |
| Release date | 2012, October | 2014, September |
| Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass |
