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Compare HTC U Ultra vs HTC Desire 820


HTC U Ultra
   HTC Desire 820
HTC U Ultra
 VS
HTC Desire 820







On this page we compare specs HTC U Ultra Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) 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.


HTC U Ultra
HTC U Ultra smartphone runs on Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo) operating system. The phone is powered by Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) processor. It has 64/128 GB, 4 GB RAM. Internal storage options which can be extended with the help of microSD, up to 512 GB (uses SIM 2 slot). The smartphone has a Super LCD5 providing, Screen-to-Body Ratio of 69.7%. The smartphone is fueled with a 3000 mAh,  Non-removable Li-Ion. The main camera of the smartphone consists of a 12 MP, Single. The sensors include Fingerprint (front-mounted), accelerometer, gyro, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, BDS, Wi-Fi, NFC and more. The HTC U Ultra are available in various colors such as Brilliant Black, Cosmetic Pink, Ice White, Sapphire Blue. It measures 162.4 x 79.8 x 8 mm and weighs 170 g.

HTC Desire 820
HTC Desire 820 smartphone runs on Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 operating system. The phone is powered by Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) processor. It has 16 GB, 2 GB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB (dedicated slot). The smartphone has a LCD providing, Screen-to-Body Ratio of 67.2%. The smartphone is fueled with a 2600 mAh,  Non-removable Li-Po. The main camera of the smartphone consists of a 13 MP, Single. The sensors include Accelerometer, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, Wi-Fi, NFC, 3.5 mm Jack and more. The HTC Desire 820 are available in various colors such as Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange. It measures 157.7 x 78.7 x 7.7 mm and weighs 155 g.

Compare specs HTC U Ultra vs HTC Desire 820

Hardware and OSHTC U UltraHTC Desire 820
Operating systemAndroid 7.0 (Nougat), upgradable to Android 8.0 (Oreo)Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7
ProcessorQuad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
ChipsetQualcomm MSM8996 Snapdragon 821 (14 nm)Qualcomm MSM8939 Snapdragon 615 (28 nm)
GPUAdreno 530Adreno 405
Internal memory64/128 GB, 4 GB RAM16 GB, 2 GB RAM
External memorymicroSD, up to 512 GB (uses SIM 2 slot)microSD, up to 256 GB (dedicated slot)
DisplayHTC U UltraHTC Desire 820
TypeSuper LCD5LCD
Size5.7" inc5.5" inc
Resolution1440 x 2560 px720 x 1280 px
ProtectionCorning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)Corning Gorilla Glass 3
Touchscreencapacitive touchscreencapacitive touchscreen
Screen-to-Body Ratio69.7%67.2%
Display area90.3 cm283.4 cm2
Display aspect ratio16:9 (height:width)16:9 (height:width)
Pixel Density513 PPI267 PPI
Colors16M16M
OtherSecondary display, 160 x 1040 pixels, 2 inches
ConnectivityHTC U UltraHTC Desire 820
2G NetworkGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G NetworkHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia 
4G NetworkLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe 
Wi-FiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, DLNA, hotspotWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
NetworkGSM / HSPA / LTEGSM / HSPA / LTE
SIM cardHybrid Dual SIM (Nano-SIM, dual stand-by)Nano-SIM
Bluetooth4.2, A2DP, LE4.0, A2DP, aptX
EdgeYesYes
GPRSYesYes
GPSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS
NFCYesYes (optional)
SpeedHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/50 MbpsHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
USB3.1, Type-C 1.0 reversible connectormicroUSB 2.0, USB Host
CameraHTC U UltraHTC Desire 820
Main camera12 MP, Single13 MP, Single
Specs12 MP, f/1.8, 26mm (wide), 1/2.3', 1.55µm, OIS, PDAF & laser AF13 MP, f/2.2, 28mm (wide), AF
FeaturesDual-LED dual-tone flash, panoramaLED flash, HDR
Video2160p@30fps (24-bit/192kHz audio), 720p@120fps1080p@30fps, 720p@60fps
Selfie camera16 MP, Single8 MP, Single
MultimediaHTC U UltraHTC Desire 820
3.5 mm JackNoYes
RadioNoFM radio
DesignHTC U UltraHTC Desire 820
ColorsBrilliant Black, Cosmetic Pink, Ice White, Sapphire BlueMarble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange
Body buildFront/back glass, aluminum frame
Dimensions162.4 x 79.8 x 8 mm157.7 x 78.7 x 7.7 mm
Weight170 g155 g
BatteryHTC U UltraHTC Desire 820
Battery capacity3000 mAh,  Non-removable Li-Ion2600 mAh,  Non-removable Li-Po
Battery lifeStand by time- Up to 312 h (3G)
Talking time- Up to 26 h (3G)
Stand by time- Up to 424 h (3G)
Talking time- Up to 22 h 24 min (3G)
OtherHTC U UltraHTC Desire 820
Release date2017, January2014, September
SensorsFingerprint (front-mounted), accelerometer, gyro, proximity, compassAccelerometer, proximity, compass