In depth comparison and review of Samsung Galaxy A7 (2017) and Xiaomi Redmi Note 9. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A720F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 156.8 mm | 162.3 mm | Xiaomi Redmi Note 9 has greater height than Samsung Galaxy A7 (2017). |
| Width | 77.6 mm | 77.2 mm | Samsung Galaxy A7 (2017) has greater width than Xiaomi Redmi Note 9. |
| Depth | 7.9 mm | 8.9 mm | Samsung Galaxy A7 (2017) is narrower than Samsung Galaxy A7 (2017). |
| Weight | 186 g | 199 g | Samsung Galaxy A7 (2017) is lighter than Samsung Galaxy A7 (2017). |
| Body Colour | Gold | Forest green | |
| Protection | Dustproof, splashproof, water-resistant | Splashproof | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy A7 (2017) is waterproof. |
| SAR Value | 1.33 W/kg (body), 0.21 W/kg (head) | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.7" | 6.53" | Xiaomi Redmi Note 9 has larger screen size than Samsung Galaxy A7 (2017). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9 has better screen resolution than Samsung Galaxy A7 (2017). |
| Display Format | Full HD | Full HD+ | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | Always-on display | Reading mode 2.0, Dot Display, Full Screen gestures | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | 1.9 GHz | 2 GHz | Xiaomi Redmi Note 9 has higher clock speed than Samsung Galaxy A7 (2017). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | ARM G52 MC2 |
| MEMORY | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi Note 9 has more internal memory than Samsung Galaxy A7 (2017). |
| User Memory | 23 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9 has better camera resolution than Samsung Galaxy A7 (2017). |
| Sensor Size | - | 1/2" | |
| Sensor Type | CMOS | - | |
| Lens Aperture | F/1.9 | F/1.79 | Xiaomi Redmi Note 9 has better lens aperture than Samsung Galaxy A7 (2017). |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79.4 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | - | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9 has face detection. |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.2 μm | |
| Camera Features (2nd Camera) | - | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | AF (2cm-10cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | Samsung Galaxy A7 (2017) has better front camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size (Front) | - | 1/3.06" | |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.9 | F/2.25 | Samsung Galaxy A7 (2017) has better front lens aperture than Samsung Galaxy A7 (2017). |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 74 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 5020 mAh | Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy A7 (2017). |
|---|---|---|---|
| Talk Time | 1380 minutes | 1980 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than Samsung Galaxy A7 (2017). |
| Run Time Details | Talk (WCDMA): up to 1380 min Active online usage (WCDMA): up to 13 hrs Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 20 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 94 hrs |
Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
|
| Battery Technology | - | Lithium polymer |
| CELLULAR | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP | - | |
| NFC | Yes | - | Samsung Galaxy A7 (2017) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, XviD, M4V, MP4 | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | - | Infrared remote control, HyperEngine technology |
| OTHERS | Samsung Galaxy A7 (2017) | Xiaomi Redmi Note 9 |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification |
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