Quantum Sky vs Samsung Stratosphere (SCH-i405)
Side by side comparison between Quantum Sky vs Samsung Stratosphere phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
16mp
4GB
RAM
RAM
Octa-core
4010
mAh
mAh
(Non removable)
vs
4"
AMOLED
AMOLED
480x800
5
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1800
mAh
mAh
(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!
24 Advantages 
4 Advantages | 17 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| +10 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 | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Change model | ||
| Model | Quantum Sky | Stratosphere (SCH-i405) |
| Other model names | Positivo Quantum Sky 4G 64GB, Quantum Sky QX1 | Verizon Stratosphere 4G SCH-i405, Samsung Aegis |
| Country or region available |  Brazil |  USA |
| Brand | Quantum | Samsung |
| Release date | 8/29/2017 | 10/13/2011 |
| Depth | 8.3 millimeters (0.33 inches) | 13.97 millimeters (0.55 inches) |
| Size (width x height) | 76.5 x 154.5 millimeters (3.01 x 6.08 in) | 64.52 x 125.98 millimeters (2.54 x 4.96 in) |
| Weight | 182 grams (6.37 ounces) | 164 grams (5.74 ounces) |
| Build, materials | Aluminum body, glass front, aluminum back with plastic ends | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.5" inches | 4" inches |
| Screen-to-body ratio | ~70.6% (screen-to-body ratio) | ~56% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 2.5D glass | feature not registered |
🤖 Operating System | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| System version | Android 7.0 Nougat | Android 2.3.4 Gingerbread |
| Firmware update | feature not registered | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Chipset | 64bit: MediaTek Helio P10 (MT6755) (28nm) | 32bit: Samsung S5PC111 Exynos 3110 |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | ARM Mali-T860 MP2 (700MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| RAM memory | 4GB LPDDR3 | 512MB |
| Internal storage | 64GB (53GB available) eMMC 5.1 | 4GB (2GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| 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 | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 850/1800/1900 | Not supported |
| Primary 2G network | GSM 850/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 28) | LTE Cat3 700 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | GSM 850/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| 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 | Sony IMX258 (back) Samsung S5K3P3 (front) | feature not registered |
📸 Front camera | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Front camera (secondary) | 16 megapixels | 1.3 megapixels |
| Front camera resolution | 4608x3456 pixels | 1280x1024 pixels |
| Video recording (secondary) | HD (1280x720) | Not supported |
| Front flash | LED | 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 | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, DivX, XviD, H.264, H.263 |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4010 mAh | 1800 mAh |
| Charger, watts | 10W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 28 hours (1.2 days) | 8 hours |
| Standby | feature not registered | 212 hours (8.8 days) |
➕ Other features | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Silver, Gold • Screen protector included • Silicon case included | • Colors: Noble Black • 4GB microSD included • Samsung TouchWiz 4.0 UI • HAC M4/T4 • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Quantum Sky | Samsung Stratosphere (SCH-i405) | |
| 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 |