Asus Zenfone 3 Ultra (ZU680KL 128GB) vs Nokia Lumia 520
Side by side comparison between Asus Zenfone 3 Ultra vs Nokia Lumia 520 phones, differences, pros, cons and full specifications. What's the better?
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6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
vs
What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 128GB)
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!
27 Advantages 
3 Advantages | 19 Common items in both devices |
| TFT Super IPS+ / TFT IPS LCD |
| 16 million |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +12 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 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Model | Zenfone 3 Ultra (ZU680KL 128GB) | Lumia 520 |
| Other model names | Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury | Nokia Lumia 520 RM-914, Nokia Lumia 520.2 RM-915 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Nokia |
| Release date | 8/1/2016 | 3/1/2013 |
| Depth | 6.8 millimeters (0.27 inches) | 9.9 millimeters (0.39 inches) |
| Size (width x height) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) | 64 x 119.9 millimeters (2.52 x 4.72 in) |
| Weight | 233 grams (8.16 ounces) | 124 grams (4.34 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Display type | TFT Super IPS+ | TFT IPS LCD |
| Screen size | 6.8" inches | 4" inches |
| Screen-to-body ratio | ~72.8% (screen-to-body ratio) | ~59.3% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 324 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| System version | Android 6.0.1 Marshmallow | Windows Phone 8.0 Apollo |
| Firmware update | Android 8.0 Oreo | Windows Phone 8.0 Amber |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Chipset | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) | 32bit: Qualcomm Snapdragon S4 Plus MSM8227 |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1GHz Krait (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 510 600Mhz | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| RAM memory | 4GB LPDDR4 | 512MB LPDDR2 |
| Internal storage | 128GB (118GB available) | 8GB (5GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/50 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 | RM-915 model: UMTS 850/1900/2100 RM-917 model: UMTS 850/1700/1900/2100 |
| Primary 4G network | LTE Cat6 Global version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,40,41) China version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Back camera (main camera) | 23 megapixels | 5 megapixels |
| Main camera resolution | 5520x4140 pixels | 2592x1936 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | 1/2.6" inches | 1/4" inches |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 4.2 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) BL-5J |
| Battery capacity | 4600 mAh | 1430 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 34 hours (1.4 days) | 9.7 hours |
| Standby | feature not registered | 360 hours (15 days) |
➕ Other features | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not 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: Titanium Gray, Glacier Silver, Rose Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX318 sensor camera • DTS headphone • Hi-Res audio 192kHz/24bit • Quick Charge 3.0 • Fast charging battery: 60% in 45min • Miracast | • Colors: Red, Yellow, Cyan, White on black • Nokia ClearBlack Display • 7GB free SkyDrive storage |
☢️ Radiation rate | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Nokia Lumia 520 | |
| 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 |