Side by side comparison and review of OPPO AX7 and Xiaomi Redmi Note 9S. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | OPPO AX7 | Xiaomi Redmi Note 9S |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 155.9 mm | 165.75 mm | Xiaomi Redmi Note 9S has greater height than OPPO AX7. |
Width | 75.4 mm | 76.68 mm | Xiaomi Redmi Note 9S has greater width than OPPO AX7. |
Depth | 8.1 mm | 8.8 mm | OPPO AX7 is narrower than OPPO AX7. |
Weight | 168 g | 209 g | OPPO AX7 is lighter than OPPO AX7. |
Body Colour | Glaze blue | Aurora blue | |
Body Material | - | Curved 3D glass, Gorilla glass 5 | |
Protection | - | Dustproof, splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | - | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | |
Integrated Components | - | Ultra-linear speakers | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Single-SIM | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | OPPO AX7 | Xiaomi Redmi Note 9S |
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Display Type | LCD display | LCD display | |
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Display Technology | LTPS TFT | - | |
Screen Size (Display Size) | 6.2" | 6.67" | Xiaomi Redmi Note 9S has larger screen size than OPPO AX7. |
Screen Resolution (Display Resolution) | 1520 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 9S has better screen resolution than OPPO AX7. |
Display Format | HD+ | Full HD+ | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1500:1 | |
HDR | - | Yes | Xiaomi Redmi Note 9S has HDR. |
Display Features | In-Cell Display Technology | Reading mode 2.0, Dot Display | |
Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | OPPO AX7 | Xiaomi Redmi Note 9S |
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Processor Type (CPU) | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 720G | |
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Clock Speed | - | 2.3 GHz | |
Processor Core Qty | - | 8-core | |
64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 618 |
MEMORY | OPPO AX7 | Xiaomi Redmi Note 9S |
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RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
CAMERA | OPPO AX7 | Xiaomi Redmi Note 9S |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 4 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9S has better camera resolution than OPPO AX7. |
Sensor Size | - | 1/2" | |
Lens Aperture | F/2.2 | F/1.79 | Xiaomi Redmi Note 9S has better lens aperture than OPPO AX7. |
Lens Construction | 5-element | 6-element | |
Field of View (FoV) | - | 79 degree(s) | |
Pixel Size | - | 0.8 μm | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | HDR | 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 9S has face detection. |
Light Source | LED light | Dual LED flash | |
Still Image Resolutions | - | 8000 x 6000 | |
Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AR sticker, AI Beautify | 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 |
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Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Xiaomi Redmi Note 9S has better second camera resolution than OPPO AX7. |
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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Xiaomi Redmi Note 9S has better second camera lens aperture than OPPO AX7. |
Field of View (2nd Camera) | - | 119 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.12 μm | |
Camera Functions (3rd Camera) | - | Macro camera | |
Camera Features (3rd Camera) | - | AF (2cm-10cm) |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Pixel Size (4th Camera) | - | 1.75 μm | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 16 Megapixel | Both phones have the same front camera resolution. |
Lens Aperture (Front) | F/2.0 | F/2.48 | OPPO AX7 has better front lens aperture than OPPO AX7. |
Pixel Size (Front) | - | 1 μm | |
Special Effects (Front) | HDR, Bokeh effect | HDR | |
Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9S has face detection. |
Light Source (Front) | - | Display flash | |
Camera Features (Front) | - | AI scene detection, Palm shutter, AI silhouette detection |
BATTERY AND CHARGING | OPPO AX7 | Xiaomi Redmi Note 9S |
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Battery Capacity (Battery Size) | 4230 mAh | 5020 mAh | Xiaomi Redmi Note 9S has larger battery capacity than OPPO AX7. |
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Talk Time | - | 1980 minutes | |
Run Time Details | - | Talk: up to 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
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Battery Technology | - | Lithium Ion |
CELLULAR | OPPO AX7 | Xiaomi Redmi Note 9S |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | ColorOS 5.2 (based on Android 8.1) | - | |
User Interface | - | MIUI 10 | |
Payment Technology | - | Google Pay | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | OPPO AX7 | Xiaomi Redmi Note 9S |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
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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 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, 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 | |
Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | OPPO AX7 | Xiaomi Redmi Note 9S |
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Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4 | |
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Supported Digital Video Standards | - | MKV, XviD, M4V, MP4 | |
Audio Amplifier | - | Smart PA |
FEATURES | OPPO AX7 | Xiaomi Redmi Note 9S |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, G-sensor | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | |
Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
Security Technology | - | A.I. face recognition | |
Additional Phone Features | - | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor |
OTHERS | OPPO AX7 | Xiaomi Redmi Note 9S |
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Included Accessories | Headset, screen protection film, USB cable, power adapter, SIM card removal tool, protective case | Protective cover, SIM card removal tool, USB-C cable, 18W charger | |
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Compliant Standards | - | TUV Rheinland |