Xiaomi Redmi 7 vs. OPPO A77 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi 7 and OPPO A77 5G. 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.

Phone Specifications Comparison

Xiaomi Redmi 7 vs. OPPO A77 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 7 OPPO A77 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2339
Form Factor Touch Touch
Height 158.73 mm 163.8 mm OPPO A77 5G has greater height than Xiaomi Redmi 7.
Width 75.58 mm 75.1 mm Xiaomi Redmi 7 has greater width than OPPO A77 5G.
Depth 8.47 mm 7.99 mm OPPO A77 5G is narrower than Xiaomi Redmi 7.
Weight 180 g 190 g Xiaomi Redmi 7 is lighter than Xiaomi Redmi 7.
Body Colour Comet blue Midnight black | Ocean blue
Protection - Waterproof, splash-resistant
Waterproof (Water-resistant) - Yes OPPO A77 5G is waterproof.
IP rating - IPX4
SAR Value 1.251 W/kg (body), 0.577 W/kg (head), 2.98 W/kg (limb) 1.256 W/kg (body), 0.986 W/kg (head), 2.683 W/kg (limb)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
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 - Micro SIM + nano SIM/microSD
DISPLAY Xiaomi Redmi 7 OPPO A77 5G
Display Type LCD display LCD display
Screen Size (Display Size) 6.26" 6.56" OPPO A77 5G has larger screen size than Xiaomi Redmi 7.
Screen Resolution (Display Resolution) 1520 x 720 pixels 1612 x 720 pixels OPPO A77 5G has better screen resolution than Xiaomi Redmi 7.
Display Format HD+ HD+
Pixel Density 269 ppi 269 ppi Both phones have the same pixel density.
Aspect Ratio 19:9 20:9
Max Brightness 450 cd/m² 600 cd/m² OPPO A77 5G has better display brightness than Xiaomi Redmi 7.
Colour Depth - 16.7 million colours
Contrast Ratio 1500:1 -
Display Enhancement Technology Sunlight mode -
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 90 Hz
Display Features Reading mode, Colour temperature adjustment, Dot Drop 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 7 OPPO A77 5G
Processor Type (CPU) Qualcomm Snapdragon 632 MediaTek Dimensity 810
Clock Speed 1.8 GHz 2.4 GHz OPPO A77 5G has higher clock speed than Xiaomi Redmi 7.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi Redmi 7 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Mali-G57 MC2
MEMORY Xiaomi Redmi 7 OPPO A77 5G
RAM LPDDR3 SDRAM - 2 GB LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension OPPO A77 5G has more RAM than Xiaomi Redmi 7.
Internal Memory Size (Storage Capacity) 16 GB 64 GB OPPO A77 5G has more internal memory than Xiaomi Redmi 7.
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 7 OPPO A77 5G
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 48 Megapixel OPPO A77 5G has better camera resolution than Xiaomi Redmi 7.
Sensor Size - 1/1.2"
Sensor Name - Samsung S5KGM1ST
Lens Aperture F/2.2 F/1.7 OPPO A77 5G has better lens aperture than Xiaomi Redmi 7.
Lens Construction - 6-element
Field of View (FoV) - 80 degree(s)
Pixel Size 1.25 μm 0.8 μm Xiaomi Redmi 7 has larger camera pixel size than OPPO A77 5G.
Focus Adjustment Automatic Automatic
Focal Length Equivalent to 35mm Camera - 25mm
Special Effects HDR Stickers
Camera Modes AI portrait mode, AI Beautify 4.0 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 7 has face detection.
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) AI Dual camera, AI scene detection, 27 different scenes Google Lens
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel 2 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) - 1/5"
Lens Aperture (2nd Camera) - F/2.4
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 89 degree(s)
Pixel Size (2nd Camera) - 1.75 μm
Focal Length Equivalent to 35mm Camera - 20mm
Camera Functions (2nd Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) - 1/4"
Sensor Name (Front) - Sony IMX355 sensor
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) 1.12 μm 1.12 μm Both phones have the same front camera pixel size.
Focus Adjustment - Focus free
Focal Length Equivalent to 35mm Camera - 26mm
Special Effects (Front) HDR Stickers
Camera Modes (Front) AI portrait mode, AI Beautify 4.0 Panorama, Time-lapse mode, night mode, Portrait
Face Recognition (Face ID) Face recognition - Xiaomi Redmi 7 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) Selfie countdown -
BATTERY AND CHARGING Xiaomi Redmi 7 OPPO A77 5G
Battery Capacity (Battery Size) 4000 mAh 5000 mAh OPPO A77 5G has larger battery capacity than Xiaomi Redmi 7.
Fast Charging Technology - SuperVOOC Flash Charge technology OPPO A77 5G has fast charging technology.
Recharge Time (Charging Time) - 69 min
Standby Time - 344 hours
Run Time Details - Standby (Ultra Power Saving Mode): up to 344 hrs
CELLULAR Xiaomi Redmi 7 OPPO A77 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OPPO A77 5G has more advanced generation mobile network.
Operating System - ColorOS 12.1 (based on Android 12)
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi Redmi 7 OPPO A77 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 38, Band 40 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, TDD 2600, TDD 2300 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 Infrared (IrDA), IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.3 BLE
NFC - Yes OPPO A77 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi Redmi 7 OPPO A77 5G
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, SBC, apt-X HD WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, IMY, ALAC, OPUS, MID, SBC, apt-X HD
Supported Digital Video Standards MKV, MPEG-4, H.264, M4V MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, M4V, TS, M2TS, WebM, H.265, MP4
FEATURES Xiaomi Redmi 7 OPPO A77 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, digital compass, distance sensor Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, geomagnetic sensor, gravity sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features Infrared remote control 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 7 OPPO A77 5G
Included Accessories Protective cover, USB cable, power adapter, SIM card removal tool Protective cover, USB cable, power adapter, SIM card removal tool
Compliant Standards - IPX4
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