Quantum Go (3G 32GB) vs Samsung Galaxy J4 (SM-J400M)
Side by side comparison between Quantum Go vs Samsung Galaxy J4 phones, differences, pros, cons and full specifications. What's the better?
,
5"
AMOLED
AMOLED
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2300
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy J4 (SM-J400M)
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!
8 Advantages 
10 Advantages | 25 Common items in both devices |
| 2GB LPDDR3 |
| 32GB (22GB available) |
| 16 million |
| 720x1280 pixels |
| (back) 13MP |
| Only digital zoom |
| Autofocus |
| +18 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 Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Model | Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) |
| Other model names | Positivo Quantum Go 1 3G, Quantum Go Dual Chip | Galaxy J4 J400M Single-sim, SM-J400MZKMTCE |
| Country or region available |  Brazil |  (Latin America) |
| Brand | Quantum | Samsung |
| Release date | 9/1/2015 | 5/1/2018 |
| Depth | 6.5 millimeters (0.26 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 71.5 x 145.7 millimeters (2.81 x 5.74 in) | 77.2 x 151.7 millimeters (3.04 x 5.97 in) |
| Weight | 115 grams (4.03 ounces) | 175 grams (6.13 ounces) |
| Build, materials | feature not registered | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 5" inches | 5.5" inches |
| Screen-to-body ratio | ~66.2% (screen-to-body ratio) | ~71.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| System version | Android 5.1 Lollipop | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Chipset | 32bit: MediaTek MT6592M | 64bit: Samsung Exynos 7570 (14nm) |
| CPU | Octa-core, 1 processor: 8x 1.3GHz ARM Cortex-A7 (Octa-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-450 MP2 | ARM Mali-T720 MP1 (830MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (22GB available) | 32GB (22GB available) Flash (EEPROM) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 1,2,3,4,5,7,8,12,13,17,28,66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Back camera (main camera) | 13 megapixels | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| 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 | 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 | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | HD (1280x720) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.2 (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 | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | Not supported |
| Radio | FM | FM |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, MKV, WMV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| 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 | 4.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2300 mAh | 3000 mAh |
| Charger, watts | 5W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Steel Gray, Champagne Gold • Back camera up to 24MP interpolated • Dongle Play DTVi • Duo Case • Quantum Screen Flash • Quantum DashCam • Quantum Energy Saver | • Colors: Black, Gold, Orchid Gray |
☢️ Radiation rate | ||
| Quantum Go (3G 32GB) | Galaxy J4 (SM-J400M) | |
| 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 |