On this page we compare specs HTC One X AT&T Dual-core 1.5 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 X AT&T | HTC Desire 820 |
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Operating system | Android 4.0 (Ice Cream Sandwich), upgradable to 4.1 (Jelly Bean), Sense UI | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
Processor | Dual-core 1.5 GHz Krait | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
Chipset | Qualcomm MSM8960 Snapdragon S4 Plus | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
GPU | Adreno 225 | Adreno 405 |
Internal memory | 16GB 1GB RAM | 16 GB, 2 GB RAM |
External memory | No | microSD, up to 256 GB (dedicated slot) |
Display | HTC One X AT&T | HTC Desire 820 |
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Type | Super IPS LCD2 | LCD |
Size | 4.7 inches, 60.9 cm2 | 5.5" inc |
Resolution | 720 x 1280 pixels, 16:9 ratio | 720 x 1280 px |
Protection | Corning Gorilla Glass | Corning Gorilla Glass 3 |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 67.2% |
Display area | | 83.4 cm2 |
Display aspect ratio | | 16:9 (height:width) |
Pixel Density | | 267 PPI |
Colors | | 16M |
Main Camera | HTC One X AT&T | HTC Desire 820 |
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Camera | 8 MP, AF | |
Features | LED flash | |
Video | 1080p@30fps, stereo sound rec. | |
Selfie camera | HTC One X AT&T | HTC Desire 820 |
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Camera | 1.3 MP | |
Video | 720p | |
Connectivity | HTC One X AT&T | HTC Desire 820 |
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2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia |
4G Network | 4, 17 | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe |
Wi-Fi | | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Nano-SIM |
Bluetooth | 4.0, A2DP, aptX | 4.0, A2DP, aptX |
Edge | | Yes |
GPRS | | Yes |
Technology | GSM / HSPA / LTE | |
GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
NFC | Yes | Yes (optional) |
WLAN | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, hotspot | |
Speed | HSPA 21.1/5.76 Mbps, LTE Cat3 100/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
USB | microUSB 2.0 (MHL TV-out) | microUSB 2.0, USB Host |
Camera | HTC One X AT&T | HTC Desire 820 |
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Main camera | | 13 MP, Single |
Specs | | 13 MP, f/2.2, 28mm (wide), AF |
Features | | LED flash, HDR |
Video | | 1080p@30fps, 720p@60fps |
Selfie camera | | 8 MP, Single |
Multimedia | HTC One X AT&T | HTC Desire 820 |
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Loudspeaker | Yes | |
3.5 mm Jack | Yes | Yes |
Radio | No | FM radio |
Design | HTC One X AT&T | HTC Desire 820 |
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SIM | Mini-SIM | |
Colors | Gray, White | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
Dimensions | 134.8 x 69.9 x 8.9 mm (5.31 x 2.75 x 0.35 in) | 157.7 x 78.7 x 7.7 mm |
Weight | 129 g (4.55 oz) | 155 g |
Features | HTC One X AT&T | HTC Desire 820 |
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Sensors | Accelerometer, gyro, proximity, compass | |
Battery | HTC One X AT&T | HTC Desire 820 |
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Type | Non-removable Li-Po 1800 mAh battery | |
Stand-by | Up to 300 h | |
Talk time | Up to 8 h 30 min | |
Battery capacity | | 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)
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Other | HTC One X AT&T | HTC Desire 820 |
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Release date | | 2014, September |
Sensors | | Accelerometer, proximity, compass |