Asus Zenfone 4 Selfie (ZD553KL 64GB) vs ZTE X990 (Single-sim)
Side by side comparison between Asus Zenfone 4 Selfie vs ZTE X990 phones, differences, pros, cons and full specifications. What's the better?
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5.5"
IPS
IPS
720x1280
16
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
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What's the better phone? Asus Zenfone 4 Selfie (ZD553KL 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!
26 Advantages 
2 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| FM / FM (RDS) |
| MicroUSB 2.0 |
| + 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 | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Model | Zenfone 4 Selfie (ZD553KL 64GB) | X990 (Single-sim) |
| Other model names | Asus Zenfone 4 Selfie ZD553KL-5G091BR (4GB RAM) | ZTE X990 Single-sim |
| Country or region available |  Brazil | feature not registered |
| Brand | Asus | ZTE |
| Release date | 10/1/2017 | 5/1/2010 |
| Depth | 7.9 millimeters (0.31 inches) | 11.8 millimeters (0.46 inches) |
| Size (width x height) | 75.9 x 155.66 millimeters (2.99 x 6.13 in) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) |
| Weight | 144 grams (5.04 ounces) | 95 grams (3.33 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.5" inches | 2.4" inches |
| Screen-to-body ratio | ~70.6% (screen-to-body ratio) | ~27.5% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 320x240 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Not supported |
| Pixel density (dot pitch) | 267 PPI | 167 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| System version | Android 7.0 Nougat | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Chipset | 64bit: Qualcomm Snapdragon 430 MSM8937 (28nm) | feature not registered |
| CPU | Octa-core, 2 processors: 4x 1.4GHz ARM Cortex-A53 (Quad-core) 4x 1.1GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 505 450Mhz | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| RAM memory | 4GB LPDDR3 | feature not registered |
| Internal storage | 64GB (54GB available) | 128MB (50MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat4 (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Back camera (main camera) | 16 megapixels | 2 megapixels |
| Main camera resolution | 4608x3456 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (176x144) |
| Flash | LED flash on both cameras | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Front camera (secondary) | (dual front camera) 20 megapixels 8MP 12mm120° | Not supported |
| Front camera resolution | 5472x3648 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 31mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 2.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3000 mAh | 900 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 8 hours |
| Standby | feature not registered | 500 hours (20.8 days) |
➕ Other features | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | WAP, HTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black, Green, Rose pink, Sunlight Gold • 2.5D glass screen • ASUS ZenUI 4.0 • PixelMaster 4.0 | • Colors: Black, White on orange • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 4 Selfie (ZD553KL 64GB) | ZTE X990 (Single-sim) | |
| 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 |