Xiaomi Redmi 7A (12MP 16GB) vs Samsung Galaxy Axiom (SCH-R830)
Side by side comparison between Xiaomi Redmi 7A vs Samsung Galaxy Axiom phones, differences, pros, cons and full specifications. What's the better?
,
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
4"
AMOLED
AMOLED
480x800
5
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? Xiaomi Redmi 7A (12MP 16GB)
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!
22 Advantages 
5 Advantages | 20 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| 4G LTE |
| +13 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 | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Model | Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) |
| Other model names | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU | Galaxy Axiom R830 for US Cellular |
| Country or region available |    (Europe), (Global, International), India |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 7/1/2019 | 11/28/2012 |
| Depth | 9.55 millimeters (0.38 inches) | 11.9 millimeters (0.47 inches) |
| Size (width x height) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) | 63.8 x 121.7 millimeters (2.51 x 4.79 in) |
| Weight | 165 grams (5.78 ounces) | 136 grams (4.76 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.45" inches | 4" inches |
| Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~58.7% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels (18:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 295 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| System version | Android 9.0 Pie | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 32bit: Qualcomm Snapdragon S4 MSM8960 Lite (28nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) | Dual-core, 1 processor: 2x 1.2GHz Krait (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 505 650Mhz | Qualcomm Adreno 230 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 16GB (9GB available) eMMC 5.1 | 4GB (1.83GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1700/1900/2100 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | 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) | LTE Cat3 (Bands 2, 4, 5, 12) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Back camera (main camera) | 12 megapixels | 5 megapixels |
| Main camera resolution | 4000x3000 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.9" inches | feature not registered |
| Pixel size | 1.25µm pixel | feature not registered |
| Autofocus | PDAF: phase detection 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 |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Front camera (secondary) | 5 megapixels | 1.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 1280x1024 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, DivX, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| 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 | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2100 mAh |
| Charger, watts | 5W (5V/1A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 8 hours |
| Standby | 456 hours (19 days) | 252 hours (10.5 days) |
➕ Other features | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* | • Colors: Blue • Wi-Fi hotspot • Java framework |
☢️ Radiation rate | ||
| Redmi 7A (12MP 16GB) | Galaxy Axiom (SCH-R830) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1W/kg (head), 1.12W/kg (body) | 0.69W/kg (head), 1.28W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.56W/kg (head), 1.17W/kg (body) | feature not registered |