ZTE X990 (Single-sim) vs Asus 6z (256GB)
Side by side comparison between ZTE X990 vs Asus 6z phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.4"
IPS
IPS
1080x2340
48
MP
MP
48mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus 6z (256GB)
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!
2 Advantages 
28 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| FM (RDS) / FM |
| MicroUSB 2.0 / USB 2.0 Type-C reversible connector |
| + 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 | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Model | X990 (Single-sim) | Asus 6z (256GB) |
| Other model names | ZTE X990 Single-sim | Asus Zenfone 6z 2019 (8GB RAM) ZS630KL |
| Country or region available | feature not registered |  India |
| Brand | ZTE | Asus |
| Release date | 5/1/2010 | 5/16/2019 |
| Depth | 11.8 millimeters (0.46 inches) | 9.2 millimeters (0.36 inches) |
| Size (width x height) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) | 75.4 x 159.1 millimeters (2.97 x 6.26 in) |
| Weight | 95 grams (3.33 ounces) | 190 grams (6.65 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.4" inches | 6.4" inches |
| Screen-to-body ratio | ~27.5% (screen-to-body ratio) | ~83.8% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Not supported | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 167 PPI | 403 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 600nits[peak] HDR10 |
🤖 Operating System | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| System version | Proprietary OS | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Chipset | feature not registered | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| RAM memory | feature not registered | 8GB LPDDR4X |
| Internal storage | 128MB (50MB available) | 256GB (242GB available) UFS 2.1 |
| External storage | Until 8GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 1024/150 Mbps |
| Network technology | 2G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat16/13 (Bands 1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Back camera (main camera) | 2 megapixels | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm |
| Main camera resolution | 1600x1200 pixels | 8000x6000 pixels |
| Video recording (primary) | QCIF (176x144) | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Front camera (secondary) | Not supported | Uses the back motorized camera (flip-up/rotating) |
| Front camera resolution | Not supported | 8000x6000 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 900 mAh | 5000 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | 33 hours (1.4 days) |
| Standby | 500 hours (20.8 days) | 624 hours (26 days) |
➕ Other features | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White on orange • Java framework | • Colors: Midnight Black, Twilight Silver • 19.5:9, HDR10, DCI-P3 100% display • Quick Charge 4.0 • 24-bit/192kHz audio • DTS Headphone X • Motorized flip-up main/selfie camera • Google Pay |
☢️ Radiation rate | ||
| ZTE X990 (Single-sim) | Asus 6z (256GB) | |
| 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 |