LG Optimus F3Q (D520) vs ZTE Tempo X (N9137)
Side by side comparison between LG Optimus F3Q vs ZTE Tempo X phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? ZTE Tempo X (N9137)
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!
5 Advantages 
12 Advantages | 24 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT IPS LCD |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| +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 | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Change model | ||
| Model | Optimus F3Q (D520) | Tempo X (N9137) |
| Other model names | T-Mobile LG Optimus F3Q 4G LTE, LG FX3, LG D520 | Boost Mobile ZTE Tempo X, Virgin Mobile ZTE N9137 |
| Country or region available | feature not registered |  USA |
| Brand | LG | ZTE |
| Release date | 1/1/2014 | 9/1/2017 |
| Depth | 14 millimeters (0.55 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 64.8 x 121.9 millimeters (2.55 x 4.8 in) | 71.9 x 145.5 millimeters (2.83 x 5.73 in) |
| Weight | 160 grams (5.6 ounces) | 142 grams (4.97 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4" inches | 5" inches |
| Screen-to-body ratio | ~57.7% (screen-to-body ratio) | ~65.9% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 196 PPI |
| Colors | 16 million | 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 | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| System version | Android 4.1.2 Jelly Bean | Android 7.1.1 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8930 | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Krait 200 (Dual-core) | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 305 | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR3 |
| Internal storage | 4GB (1GB available) | 8GB (3GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900/2100 | CDMA2000 EV-DO RevA UMTS 850/1700/1900 |
| Primary 4G network | LTE 700/1700/1900/2100 | LTE Cat4 700/850/1700/1900 (Bands 2,4,5,12,13,25,26) TD-LTE 2500 (Bands 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2560x1920 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 1600x1200 pixels |
| Video recording (secondary) | VGA (640x480) | VGA (640x480) |
| 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 | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+ |
🔌 Connectivity | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | S-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2460 mAh | 2200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 15 hours | 15 hours |
| Standby | 360 hours (15 days) | feature not registered |
➕ Other features | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| Call control | Voice dialing, Voice recorder | 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 | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Blue • T-Mobile TV • Quick MEMO • HAC M3/T3 • WiFi hotspot Java framework | • Colors: Black |
☢️ Radiation rate | ||
| LG Optimus F3Q (D520) | ZTE Tempo X (N9137) | |
| 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 |