On this page we compare specs HTC Zeta Quad-core 2.5 GHz 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 Zeta | HTC Desire 820 |
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Operating system | Android 4.0 (Ice Cream Sandwich); Sense UI | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
Processor | Quad-core 2.5 GHz | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
Chipset | | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
GPU | | Adreno 405 |
Internal memory | 32GB 1GB RAM | 16 GB, 2 GB RAM |
External memory | No | microSD, up to 256 GB (dedicated slot) |
Display | HTC Zeta | HTC Desire 820 |
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Type | Capacitive touchscreen, 16M colors | LCD |
Size | 4.5 inches, 55.8 cm2 | 5.5" inc |
Resolution | 720 x 1280 pixels, 16:9 ratio | 720 x 1280 px |
Protection | | 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 Zeta | HTC Desire 820 |
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Camera | 8 MP, AF | |
Features | Dual-LED flash | |
Video | 1080p@30fps | |
Selfie camera | HTC Zeta | HTC Desire 820 |
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Camera | 1.3 MP | |
Connectivity | HTC Zeta | HTC Desire 820 |
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2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia |
4G Network | | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe |
Technology | GSM / HSPA | |
Wi-Fi | | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
Network | | GSM / HSPA / LTE |
WLAN | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot | |
SIM card | | Nano-SIM |
Bluetooth | 4.0, A2DP, EDR | 4.0, A2DP, aptX |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
NFC | | Yes (optional) |
Speed | HSPA | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
USB | microUSB 2.0 | microUSB 2.0, USB Host |
Camera | HTC Zeta | 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 |
Features | HTC Zeta | HTC Desire 820 |
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Sensors | Accelerometer, gyro, proximity, compass | |
Multimedia | HTC Zeta | HTC Desire 820 |
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Loudspeaker | Yes | |
Multimedia | Beats headset | |
3.5 mm Jack | Yes | Yes |
Radio | Stereo FM radio, RDS | FM radio |
Design | HTC Zeta | HTC Desire 820 |
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SIM | Mini-SIM | |
Colors | Black | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
Dimensions | 109.8 x 60.9 x 9.8 mm (4.32 x 2.40 x 0.39 in) | 157.7 x 78.7 x 7.7 mm |
Weight | 146 g (5.15 oz) | 155 g |
Battery | HTC Zeta | HTC Desire 820 |
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Capacity | Removable Li-Ion 1830 mAh battery | |
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 Zeta | HTC Desire 820 |
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Release date | | 2014, September |
Sensors | | Accelerometer, proximity, compass |