Detailed comparison and review of Xiaomi Redmi Note 9 Pro and OPPO A77 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | CPH2339 | |
Form Factor | Touch | Touch | |
Height | 165.75 mm | 163.8 mm | Xiaomi Redmi Note 9 Pro has greater height than OPPO A77 5G. |
Width | 76.68 mm | 75.1 mm | Xiaomi Redmi Note 9 Pro has greater width than OPPO A77 5G. |
Depth | 8.8 mm | 7.99 mm | OPPO A77 5G is narrower than Xiaomi Redmi Note 9 Pro. |
Weight | 209 g | 190 g | OPPO A77 5G is lighter than Xiaomi Redmi Note 9 Pro. |
Body Colour | Interstellar grey | Tropical green | Midnight black | Ocean blue | |
Body Material | Curved 3D glass, Gorilla glass 5 | - | |
Protection | Splashproof | Waterproof, splash-resistant | |
Waterproof (Water-resistant) | - | Yes | OPPO A77 5G is waterproof. |
IP rating | - | IPX4 | |
SAR Value | 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 W/kg (head) | 1.256 W/kg (body), 0.986 W/kg (head), 2.683 W/kg (limb) | |
Integrated Components | Ultra-linear speaker | - | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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 | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | - | Micro SIM + nano SIM/microSD |
DISPLAY | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Display Type | LCD display | LCD display | |
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Screen Size (Display Size) | 6.67" | 6.56" | Xiaomi Redmi Note 9 Pro has larger screen size than OPPO A77 5G. |
Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1612 x 720 pixels | Xiaomi Redmi Note 9 Pro has better screen resolution than OPPO A77 5G. |
Display Format | Full HD+ | HD+ | |
Pixel Density | - | 269 ppi | |
Aspect Ratio | - | 20:9 | |
Max Brightness | 450 cd/m² | 600 cd/m² | OPPO A77 5G has better display brightness than Xiaomi Redmi Note 9 Pro. |
Colour Depth | - | 16.7 million colours | |
Contrast Ratio | 1500:1 | - | |
Display Refresh Rate | - | 90 Hz | |
Touch Sampling Rate | - | 90 Hz | |
Display Features | Reading mode 2.0, Dot Display | 100% DCI-P3, 96% NTSC, 100% sRGB, High brightness mode, Vivid mode | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Panda Glass MN228 |
PROCESSOR | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 720G | MediaTek Dimensity 810 | |
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Clock Speed | 2.3 GHz | 2.4 GHz | OPPO A77 5G has higher clock speed than Xiaomi Redmi Note 9 Pro. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi Redmi Note 9 Pro has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 618 | Mali-G57 MC2 |
MEMORY | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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RAM | 6 GB | LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension | Xiaomi Redmi Note 9 Pro has more RAM than OPPO A77 5G. |
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Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
Memory Interface | - | UFS 2.2 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
CAMERA | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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MAIN CAMERA |
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Number of Main Cameras | 4 | 2 | |
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Sensor Resolution | 64 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9 Pro has better camera resolution than OPPO A77 5G. |
Sensor Size | 1/1.72" | 1/1.2" | Xiaomi Redmi Note 9 Pro has better camera sensor size than OPPO A77 5G. |
Sensor Name | - | Samsung S5KGM1ST | |
Lens Aperture | F/1.89 | F/1.7 | OPPO A77 5G has better lens aperture than Xiaomi Redmi Note 9 Pro. |
Lens Construction | 6-element | 6-element | |
Field of View (FoV) | 79.8 degree(s) | 80 degree(s) | OPPO A77 5G has larger lens field of view than Xiaomi Redmi Note 9 Pro. |
Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
Focus Adjustment | Automatic | Automatic | |
Focal Length Equivalent to 35mm Camera | - | 25mm | |
Special Effects | HDR, Kaleidoscope | Stickers | |
Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Macro mode, Extra HD, Text scanner | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 Pro has face detection. |
Light Source | Flash | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark | Google Lens |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9 Pro has better second camera resolution than OPPO A77 5G. |
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Sensor Size (2nd Camera) | 1/4" | 1/5" | OPPO A77 5G has better second camera sensor size than Xiaomi Redmi Note 9 Pro. |
Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Xiaomi Redmi Note 9 Pro has better second camera lens aperture than Xiaomi Redmi Note 9 Pro. |
Lens Element Qty (2nd Camera) | 5-element | 3-element | |
Field of View (2nd Camera) | 119 degree(s) | 89 degree(s) | Xiaomi Redmi Note 9 Pro has larger second camera lens field of view than OPPO A77 5G. |
Pixel Size (2nd Camera) | 1.12 μm | 1.75 μm | OPPO A77 5G has larger second camera pixel size than Xiaomi Redmi Note 9 Pro. |
Focal Length Equivalent to 35mm Camera | - | 20mm | |
Camera Functions (2nd Camera) | - | Depth camera | |
Camera Features (2nd Camera) | 5-piece lens | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
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Sensor Size (3rd Camera) | 1/5" | - | |
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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Sensor Size (4th Camera) | 1/5" | - | |
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 | 8 Megapixel | Xiaomi Redmi Note 9 Pro has better front camera resolution than OPPO A77 5G. |
Sensor Size (Front) | 1/3.06" | 1/4" | OPPO A77 5G has better front camera sensor size than Xiaomi Redmi Note 9 Pro. |
Sensor Name (Front) | - | Sony IMX355 sensor | |
Lens Aperture (Front) | F/2.48 | F/2.0 | OPPO A77 5G has better front lens aperture than Xiaomi Redmi Note 9 Pro. |
Lens Element Qty (Front) | - | 5-element | |
Field of View (Front) | 82.4 degree(s) | 79 degree(s) | Xiaomi Redmi Note 9 Pro has larger front lens field of view than OPPO A77 5G. |
Pixel Size (Front) | 1 μm | 1.12 μm | OPPO A77 5G has larger front camera pixel size than Xiaomi Redmi Note 9 Pro. |
Focus Adjustment | - | Focus free | |
Focal Length Equivalent to 35mm Camera | - | 26mm | |
Special Effects (Front) | HDR | Stickers | |
Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | Panorama, Time-lapse mode, night mode, Portrait | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 Pro has face detection. |
Light Source (Front) | Display flash | - | |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | - |
BATTERY AND CHARGING | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Battery Capacity (Battery Size) | 5020 mAh | 5000 mAh | Xiaomi Redmi Note 9 Pro has larger battery capacity than OPPO A77 5G. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0 | SuperVOOC Flash Charge technology | Both phones have fast charging technology. |
Recharge Time (Charging Time) | - | 69 min | |
Standby Time | - | 344 hours | |
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 |
Standby (Ultra Power Saving Mode): up to 344 hrs | |
Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | OPPO A77 5G has more advanced generation mobile network. |
Operating System | Android 10 | ColorOS 12.1 (based on Android 12) | |
User Interface | MIUI 11 | - | |
Payment Technology | Google Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, 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 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | |
4G LTE Frequency | 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 BLE | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, IMY, ALAC, OPUS, MID, SBC, apt-X HD | |
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Supported Digital Video Standards | MKV, XviD, M4V, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, M4V, TS, M2TS, WebM, H.265, MP4 | |
Audio Amplifier | Smart PA | - |
FEATURES | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, geomagnetic sensor, gravity sensor | |
Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
Security Technology | - | Face Unlock | |
Additional Phone Features | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor | Fast Charging, Super power saving mode, OTG Reverse Charge, 3 years of Security Updates, 2 years of OS upgrades, ultra linear stereo speakers, Ultra volume mode |
OTHERS | Xiaomi Redmi Note 9 Pro | OPPO A77 5G |
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Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 33W charger | Protective cover, USB cable, power adapter, SIM card removal tool | |
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Compliant Standards | TUV Rheinland Low Blue Light Certification | IPX4 |