Asus Zenfone 3 Ultra (ZU680KL 64GB) vs Motorola Ferrari (XT621)
Side by side comparison between Asus Zenfone 3 Ultra vs Motorola Ferrari phones, differences, pros, cons and full specifications. What's the better?
,
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 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!
30 Advantages 
2 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +7 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 64GB) | Motorola Ferrari (XT621) | |
| Model | Zenfone 3 Ultra (ZU680KL 64GB) | Ferrari (XT621) |
| Other model names | Asus Zenfone 3 Ultra 4GB/64GB ZU680KL Dual-Sim, Asus Mercury | Nextel Motorola Primus Ferrari XT621, Motorola XT621 Ferrari |
| Country or region available |  (Global, International) |   (Global, International), (Latin America), Brazil |
| Brand | Asus | Motorola |
| Release date | 8/1/2016 | 7/1/2013 |
| Depth | 6.8 millimeters (0.27 inches) | 12.9 millimeters (0.51 inches) |
| Size (width x height) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) | 65 x 119 millimeters (2.56 x 4.69 in) |
| Weight | 233 grams (8.16 ounces) | 135 grams (4.73 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| Display type | TFT Super IPS+ | TFT LCD |
| Screen size | 6.8" inches | 4" inches |
| Screen-to-body ratio | ~72.8% (screen-to-body ratio) | ~58.9% (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 | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| System version | Android 6.0.1 Marshmallow | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| Chipset | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 510 600Mhz | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| RAM memory | 4GB LPDDR4 | 1GB LPDDR2 |
| Internal storage | 64GB (55GB available) | 4GB (1GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 7.2 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 | iDEN 800 UMTS 2100/1900/1700 |
| 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 | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 64GB) | Motorola Ferrari (XT621) | |
| Back camera (main camera) | 23 megapixels | 5 megapixels |
| Main camera resolution | 5520x4140 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Not supported |
| 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, Smile 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 64GB) | Motorola Ferrari (XT621) | |
| 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 64GB) | Motorola Ferrari (XT621) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 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+, FLAC | MP3, WAV, AAC+ |
🔌 Connectivity | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| 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 | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) BP7X |
| Battery capacity | 4600 mAh | 1860 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) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| Call control | Voice dialing, Voice recorder | 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| 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: Black • Push-to-Talk (PTT) • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Motorola Ferrari (XT621) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.23W/kg (head), 0.42W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.73W/kg (head), 0.31W/kg (body) |