ZTE X990 (Single-sim) vs Acer Liquid S1 Duo (S510)
Side by side comparison between ZTE X990 vs Acer Liquid S1 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.7"
TFT
TFT
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2400
mAh
mAh
(Removable)
What's the better phone? Acer Liquid S1 Duo (S510)
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!
1 Advantage 
23 Advantages | 6 Common items in both devices |
| TFT LCD |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) / LiPo: li-ion polymer (Removable) |
| 3.5mm jack |
| FM (RDS) / FM |
| 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 | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Model | X990 (Single-sim) | Liquid S1 Duo (S510) |
| Other model names | ZTE X990 Single-sim | Acer Liquid S1 S510, Acer Liquid S1 Dual-Sim HM.HDTAA.001 |
| Country or region available | feature not registered |    (Global, International), Canada, USA |
| Brand | ZTE | Acer |
| Release date | 5/1/2010 | 8/1/2013 |
| Depth | 11.8 millimeters (0.46 inches) | 9.6 millimeters (0.38 inches) |
| Size (width x height) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) | 83 x 163 millimeters (3.27 x 6.42 in) |
| Weight | 95 grams (3.33 ounces) | 195 grams (6.83 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.4" inches | 5.7" inches |
| Screen-to-body ratio | ~27.5% (screen-to-body ratio) | ~66.2% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 720x1280 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 167 PPI | 258 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| System version | Proprietary OS | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Chipset | feature not registered | 32bit: MediaTek MT6589T Turbo (28nm) |
| CPU | Single-core, 1 processor: Single-core | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR SXG544 MP2 357Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| RAM memory | feature not registered | 1GB LPDDR2 |
| Internal storage | 128MB (50MB available) | 8GB (5.59GB available) |
| External storage | Until 8GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 0.236 Mbps | 42/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| 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 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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) | Acer Liquid S1 Duo (S510) | |
| Back camera (main camera) | 2 megapixels | 8 megapixels |
| Main camera resolution | 1600x1200 pixels | 3264x2448 pixels |
| Video recording (primary) | QCIF (176x144) | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| 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 |
| Autofocus | Not supported | 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 | Supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Front camera (secondary) | Not supported | 2 megapixels |
| Front camera resolution | Not supported | 1600x1200 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| 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 | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 4.0 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) BAT-E10 |
| Battery capacity | 900 mAh | 2400 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | 11 hours |
| Standby | 500 hours (20.8 days) | 450 hours (18.8 days) |
➕ Other features | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS (Swype), 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: White, Black • DTS sound • Acer Float UI • WiFi hotspot |
☢️ Radiation rate | ||
| ZTE X990 (Single-sim) | Acer Liquid S1 Duo (S510) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.44W/kg (head), 0.41W/kg (body) |