Samsung Galaxy Quantum 2 vs Xiaomi Redmi 7A (12MP 16GB)
Side by side comparison between Samsung Galaxy Quantum 2 vs Xiaomi Redmi 7A phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3200
64
MP
MP
10mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Quantum 2
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!
29 Advantages 
5 Advantages | 22 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +15 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 | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Change model | ||
| Model | Galaxy Quantum 2 | Redmi 7A (12MP 16GB) |
| Other model names | Galaxy Quantum 2 5G (SM-A826S), 갤럭시 퀀텀2 (SKT) | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU |
| Country or region available |  South Korea |    (Europe), (Global, International), India |
| Brand | Samsung | Xiaomi |
| Release date | 4/23/2021, Announced: 4/13/2021 | 7/1/2019 |
| Depth | 8.1 millimeters (0.32 inches) | 9.55 millimeters (0.38 inches) |
| Size (width x height) | 73.8 x 161.9 millimeters (2.91 x 6.37 in) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) |
| Weight | 176 grams (6.16 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 6.7" inches | 5.45" inches |
| Screen-to-body ratio | ~90.7% (screen-to-body ratio) | ~74.4% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 720x1440 pixels (18:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 524 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1200nits[peak] Always-On Display | Not supported |
🤖 Operating System | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| System version | Android 11 | Android 9.0 Pie |
| Firmware update | Android 13 | Android 10 |
| User Interface | One UI 3.1 / 4.1 / 5.0 | feature not registered |
⚙️ Processor | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 505 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (102GB available) UFS 3.0 | 16GB (9GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7995IN, MZB7798IN, MZB7799IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41) |
| Primary 5G network | SA/NSA/Sub6 (78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2123°1.12µm 5MP macro f/2.4 | 12 megapixels |
| Main camera resolution | 10120x6328 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.72" inches | 1/2.9" inches |
| Pixel size | 0.8µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps 1080p@240fps (slow motion) | feature not registered |
📸 Front camera | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Front camera (secondary) | 10 megapixels | 5 megapixels |
| Front camera resolution | 3872x2592 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4000 mAh |
| Charger, watts | 25W Wired fast charging | 5W (5V/1A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Black, White, Violet | • Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* |
☢️ Radiation rate | ||
| Galaxy Quantum 2 | Redmi 7A (12MP 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.56W/kg (head), 1.17W/kg (body) |