HTC Desire 820 (4G LTE) vs Asus Zenfone Zoom (ZX550 64GB)
Side by side comparison between HTC Desire 820 vs Asus Zenfone Zoom (ZX550) phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
SLCD3
SLCD3
720x1280
13
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2600
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone Zoom (ZX550 64GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
9 Advantages 
13 Advantages | 24 Common items in both devices |
| 2GB LPDDR3 |
| 16 million |
| 5.5" |
| (back) 13MP |
| Autofocus / LDAF: laser detection autofocus |
| HDR photo only main camera |
| Full HD (1920x1080) |
| +17 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Model | Desire 820 (4G LTE) | Zenfone Zoom (ZX550 64GB) |
| Other model names | HTC Desire 820 LTE-A, HTC A50 | Asus Zenfone Zoom ZX550 (Dual-Sim), Asus ZX550 |
| Country or region available | feature not registered |  (Global, International) |
| Brand | HTC | Asus |
| Release date | 10/1/2014 | 12/1/2015 |
| Depth | 7.7 millimeters (0.3 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 78.7 x 157.7 millimeters (3.1 x 6.21 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 155 grams (5.43 ounces) | 185 grams (6.48 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Display type | TFT Super LCD 3 | TFT IPS LCD |
| Screen size | 5.5" inches | 5.5" inches |
| Screen-to-body ratio | ~67.2% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| System version | Android 4.4.2 KitKat | Android 5.0.2 Lollipop |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) | 64bit: Intel Atom Z3580 (22nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 405 | PowerVR G6430 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 16GB (12GB available) | 64GB (54GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 - ASIA: 900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE 900/1800/2100/2600 - ASIA: 1900/2300/2500/2600 | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Back camera (main camera) | 13 megapixels | 13 megapixels |
| Main camera resolution | 4160x3120 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.7 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2600 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 22 hours | feature not registered |
| Standby | 424 hours (17.7 days) | feature not registered |
➕ Other features | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Grey, Tangerine, Blue, Orange • HTC Sense UI 6.0 • HTC BoomSound • Face Fusion • Java framework | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • 5GB Asus Webstorage • Only one micro SIM card can connect to 3G/4G service at a time |
☢️ Radiation rate | ||
| HTC Desire 820 (4G LTE) | Asus Zenfone Zoom (ZX550 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |