| Physical features | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Model | Galaxy A7 2018 (SM-A750F/DS 64GB) | Redmi 9A (128GB/4GB) |
| Other model names | Galaxy A7 SM-A750F/Dual-Sim (64GB + 4GB RAM) | Xiaomi Redmi 9A M2006C3LG, M2006C3LI |
| Country or region available | 
India | 
China |
| Brand | Samsung | Xiaomi |
| Release date | October, 2018 | June, 2020 |
| Depth | 7.5 millimeters (0.3 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 76.8 x 159.8 millimeters (3.02 x 6.29 in) | 77.07 x 164.9 millimeters (3.03 x 6.49 in) |
| Weight | 168 grams (5.88 ounces) | 194 grams (6.79 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | Plastic body, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
| System (OS) | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Operating system | Android 8.0 Oreo | Android 10 |
| Firmware update | Android 10 | feature not registered |
| Hardware | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Chipset | 64bit - Samsung Exynos 7 Octa 7885 (14nm) | 64bit - MediaTek Helio G25 (12nm) |
| CPU processor | Octa-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A73
1.6Ghz Hexa-Core ARM Cortex-A53 | Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53 |
| GPU graphical controller | ARM Mali-G71 MP2 | PowerVR GE8320 650Mhz |
| RAM memory | 4GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 64GB (50GB available)
eMMC 5.1 | 128GB (106GB available)
eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 512GB microSD, microSDXC
(dedicated slot) |
| Display | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6" inches | 6.53" inches |
| Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~81% (screen-to-body ratio) |
| Display resolution | 1080x2220 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 411 PPI | 269 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Display features | feature not registered | 60Hz, 400 nits |
| Mobile networks | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| 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 | 300/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38, 40, 41) | LTE Cat6 (1, 2 ,3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Calling | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Camera | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Back camera (main camera) | (triple camera)
24 megapixels
8MP ultrawidef/2.418mm1/4.0"1.12µm
5MP depthf/2.2 | 13 megapixels |
| Main camera resolution | 5656x4242 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 27mm lens | 28mm lens |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | 1µm 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 | Only digital 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 |
| 2ª camera | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Front camera (secondary) | 24 megapixels | 5 megapixels |
| Front camera resolution | 5656x4242 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | 1.12µm pixel |
| Multimedia | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| TV output | Not supported | Micro-B USB SlimPort |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO | 802.11 b/g/n (2.4Ghz) |
| DLNA | Not supported | Not supported |
| NFC | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| Infrared port | Not supported | Not supported |
| Other functions | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (side-mounted)
ANT+
| Accelerometer
Proximity sensor
Ambient Light sensor
Face unlock
|
| Other features | - Colors: Black, Blue, Gold, Pink
- 18.5:9 aspect ratio
- Always On Display
- Dolby Atmos sound
- Samsung Pay
- ANT+
- WiFi direct, hotspot | - Colors: Carbon Gray, Sky Blue, Ocean Green
- MIUI 12
- WiFi direct, hotspot |
| Power supply | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| Battery | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5000 mAh |
| Charger, watts | 7.75W (5V/1.55A) Standard charging | 10W (5V/2A) Standard charging |
| Talk time autonomy | 1140 minutes | 19 hours | 0.8 day | feature not registered |
| Standby | feature not registered | feature not registered |
| Radiation rate | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9A (128GB/4GB) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.9W/kg (head) | 0.65W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.335W/kg (head) | 1.425W/kg (body) | 0.4W/kg (head) | 1.19W/kg (body) |