Physical features | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
Model | Galaxy A7 2018 (SM-A750F/DS 64GB) | Redmi 9 (32GB NFC) |
Other model names | Galaxy A7 SM-A750F/Dual-Sim (64GB + 4GB RAM) | Xiaomi Redmi 9 (Global) M2004J19G, M2004J19C |
Country or region available |  India |  (Europe) |
Brand | Samsung | Xiaomi |
Release date | October, 2018 | June, 2020 |
Depth | 7.5 millimeters (0.3 inches) | 9.1 millimeters (0.36 inches) |
Size (width x height) | 76.8 x 159.8 millimeters (3.02 x 6.29 in) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) |
Weight | 168 grams (5.88 ounces) | 198 grams (6.93 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 9 (32GB NFC) |
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 9 (32GB NFC) |
Chipset | 64bit - Samsung Exynos 7 Octa 7885 (14nm) | 64bit - Mediatek Helio G80 (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 Dual-Core ARM Cortex-A75 1.8Ghz Hexa-Core ARM Cortex-A55 |
GPU graphical controller | ARM Mali-G71 MP2 | ARM Mali-G52 MC2 950Mhz |
RAM memory | 4GB LPDDR4X | 3GB LPDDR4X |
Internal storage | 64GB (50GB available) eMMC 5.1 | 32GB (20GB 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 9 (32GB NFC) |
Display type | Super AMOLED | TFT IPS LCD |
Screen size | 6" inches | 6.53" inches |
Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~83.2% (screen-to-body ratio) |
Display resolution | 1080x2220 pixels | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 411 PPI | 395 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
Display features | feature not registered | 60Hz, 400 nits |
Mobile networks | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
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 9 (32GB NFC) |
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 9 (32GB NFC) |
Back camera (main camera) | (triple camera) 24 megapixels 8MP ultrawidef/2.418mm1/4.0"1.12µm 5MP depthf/2.2 | (quad camera) 13 megapixels 8MP ultrawidef/2.2118º1/4.0"1.12µm 5MP macrof/2.4 2MP depthf/2.4 |
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 | 1/3.1" inches |
Pixel size | 0.9µm pixel | 1.12µm 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 9 (32GB NFC) |
Front camera (secondary) | 24 megapixels | 8 megapixels |
Front camera resolution | 5656x4242 pixels | 3264x2448 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | 27mm lens |
Sensor size | 1/2.8" inches | 1/4" inches |
Pixel size | 0.9µm pixel | 1.12µm pixel |
Multimedia | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
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 9 (32GB NFC) |
USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
TV output | Not supported | USB Type-C (reversible) |
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 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
DLNA | Not supported | Not supported |
NFC | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
Infrared port | Not supported | Supported |
Other functions | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
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 Compass Ambient Light sensor Face unlock Fingerprint sensor (rear-mounted)
|
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, Sunset Purple, Ocean Green, Pink/Blue - MIUI 11 - 10W charger included - WiFi direct, hotspot - AnTuTu: 201829 (v8) |
Power supply | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
Battery | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
Battery capacity | 3300 mAh | 5020 mAh |
Charger, watts | 7.75W (5V/1.55A) Standard charging | 18W Fast battery charging |
Talk time autonomy | 1140 minutes | 19 hours | 0.8 day | 1860 minutes | 31 hours | 1.3 days |
Standby | feature not registered | feature not registered |
Radiation rate | Samsung Galaxy A7 2018 (SM-A750F/DS 64GB) | Xiaomi Redmi 9 (32GB NFC) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.91W/kg (head) | 1W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.335W/kg (head) | 1.425W/kg (body) | 0.71W/kg (head) | 1.06W/kg (body) |