Motorola Ferrari (XT621) vs Quantum Sky
Side by side comparison between Motorola Ferrari vs Quantum Sky phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
16mp
4GB
RAM
RAM
Octa-core
4010
mAh
mAh
(Non removable)
What's the better phone? Quantum Sky
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 
27 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +6 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 | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Change model | ||
| Model | Ferrari (XT621) | Quantum Sky |
| Other model names | Nextel Motorola Primus Ferrari XT621, Motorola XT621 Ferrari | Positivo Quantum Sky 4G 64GB, Quantum Sky QX1 |
| Country or region available |    (Global, International), (Latin America), Brazil | Brazil |
| Brand | Motorola | Quantum |
| Release date | 7/1/2013 | 8/29/2017 |
| Depth | 12.9 millimeters (0.51 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 65 x 119 millimeters (2.56 x 4.69 in) | 76.5 x 154.5 millimeters (3.01 x 6.08 in) |
| Weight | 135 grams (4.73 ounces) | 182 grams (6.37 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front, aluminum back with plastic ends |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 5.5" inches |
| Screen-to-body ratio | ~58.9% (screen-to-body ratio) | ~70.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 2.5D glass |
🤖 Operating System | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 64bit: MediaTek Helio P10 (MT6755) (28nm) |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 | ARM Mali-T860 MP2 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| RAM memory | 1GB LPDDR2 | 4GB LPDDR3 |
| Internal storage | 4GB (1GB available) | 64GB (53GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 7.2 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 850/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/1800/1900 |
| Primary 3G network | iDEN 800 UMTS 2100/1900/1700 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | GSM 850/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Back camera (main camera) | 5 megapixels | 13 megapixels |
| Main camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| 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 | Supported | Supported |
| Image stabilization | Not supported | 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 | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | Sony IMX258 (back) Samsung S5K3P3 (front) |
📸 Front camera | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Front camera (secondary) | Not supported | 16 megapixels |
| Front camera resolution | Not supported | 4608x3456 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| Front flash | Not supported | LED |
| 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 |
🔉 Sound and multimedia | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Battery type | Li-Ion: lithium-ion (Removable) BP7X | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1860 mAh | 4010 mAh |
| Charger, watts | Wired charging | 10W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 28 hours (1.2 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| Call control | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot • Java framework | • Colors: Silver, Gold • Screen protector included • Silicon case included |
☢️ Radiation rate | ||
| Motorola Ferrari (XT621) | Quantum Sky | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.23W/kg (head), 0.42W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.73W/kg (head), 0.31W/kg (body) | feature not registered |