Xiaomi Redmi 7A (12MP 16GB) vs Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
Side by side comparison between Xiaomi Redmi 7A vs Samsung Galaxy A9 (2018) 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
6.3"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
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 Common items in both devices |
eMMC 5.1 |
60Hz |
16 million |
LED flash |
PDAF: phase detection autofocus |
EIS: Digital stabilization |
HDR photo on both cameras |
+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 | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Model | Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) |
Other model names | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU | Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO |
Country or region available | (Europe), (Global, International), India | (Europe), Brazil, India, Malaysia |
Brand | Xiaomi | Samsung |
Release date | 7/1/2019 | 10/11/2018 |
Depth | 9.55 millimeters (0.38 inches) | 7.8 millimeters (0.31 inches) |
Size (width x height) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
Weight | 165 grams (5.78 ounces) | 183 grams (6.41 ounces) |
Build, materials | Plastic body, glass front | Aluminum body, glass front |
Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Display type | TFT IPS LCD | Super AMOLED |
Screen size | 5.45" inches | 6.3" inches |
Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
Display resolution | 720x1440 pixels (18:9) | 1080x2220 pixels (18.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 295 PPI | 392 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass 5 |
Refresh rate | 60Hz | 60Hz |
Display features | Not supported | Not supported |
🤖 Operating System | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
System version | Android 9.0 Pie | Android 8.0 Oreo |
Firmware update | Android 10 | Android 9.0 Pie |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
GPU graphical controller | Qualcomm Adreno 505 650Mhz | Qualcomm Adreno 512 650Mhz |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
RAM memory | 2GB LPDDR3 | 6GB LPDDR4X |
Internal storage | 16GB (9GB available) eMMC 5.1 | 128GB (110GB available) eMMC 5.1 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 150/50 Mbps | 450/50 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 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
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 Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
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+ | GPRS, EDGE |
📷 Camera | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Back camera (main camera) | 12 megapixels | (quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2 |
Main camera resolution | 4000x3000 pixels | 5656x4240 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
Focal length | feature not registered | 27mm lens |
Sensor size | 1/2.9" inches | 1/2.8" inches |
Pixel size | 1.25µm pixel | 0.9µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Digital and optical zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Front camera (secondary) | 5 megapixels | 24 megapixels |
Front camera resolution | 2560x1920 pixels | 5656x4240 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | feature not registered | 27mm lens |
Sensor size | 1/5" inches | 1/2.8" inches |
Pixel size | 1.12µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 4000 mAh | 3800 mAh |
Charger, watts | 5W (5V/1A) Wired charging | 18W Wired fast charging |
Inductive / wireless charging | Not supported | Not supported |
Talk time autonomy | feature not registered | feature not registered |
Standby | 456 hours (19 days) | feature not registered |
➕ Other features | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
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: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* | • Colors: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos |
☢️ Radiation rate | ||
Redmi 7A (12MP 16GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 1W/kg (head), 1.12W/kg (body) | 0.27W/kg (head), 0.84W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.56W/kg (head), 1.17W/kg (body) | feature not registered |