OPPO Reno4 5G vs. Xiaomi Redmi A1

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Reno4 5G and Xiaomi Redmi A1. 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.

Phone Specifications Comparison

OPPO Reno4 5G vs. Xiaomi Redmi A1 Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno4 5G Xiaomi Redmi A1
Product Type Smartphone Smartphone
Manufacturer Model Number CPH2091 -
Form Factor Touch Touch
Height 159.3 mm 164.9 mm Xiaomi Redmi A1 has greater height than OPPO Reno4 5G.
Width 74 mm 76.75 mm Xiaomi Redmi A1 has greater width than OPPO Reno4 5G.
Depth 7.8 mm 9.09 mm OPPO Reno4 5G is narrower than OPPO Reno4 5G.
Weight 183 g 192 g OPPO Reno4 5G is lighter than OPPO Reno4 5G.
Body Colour Space black | Galactic blue Light green
Waterproof (Water-resistant) - -
IP rating IP54 -
SAR Value 0.886 W/kg (head), 1.155 W/kg (body), 2.165 W/kg (limb) 0.997 W/kg (body), 0.846 W/kg (head), 2.541 W/kg (limb)
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO Reno4 5G Xiaomi Redmi A1
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.4" 6.52" Xiaomi Redmi A1 has larger screen size than OPPO Reno4 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels OPPO Reno4 5G has better screen resolution than Xiaomi Redmi A1.
Display Format Full HD+ HD+
Pixel Density 409 ppi -
Aspect Ratio 20:9 20:9
Max Brightness 800 cd/m² -
Colour Depth 16.7 million colours -
Contrast Ratio 800000:1 -
Display Refresh Rate 60 Hz -
Display Features DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate Night light screen, Dot Drop display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR OPPO Reno4 5G Xiaomi Redmi A1
Processor Type (CPU) Qualcomm Snapdragon 765G MediaTek Helio A22
Clock Speed 2.4 GHz 2 GHz OPPO Reno4 5G has higher clock speed than Xiaomi Redmi A1.
Processor Core Qty 8-core Quad-core OPPO Reno4 5G has higher processor core quantity than Xiaomi Redmi A1.
Graphics System (GPU) Qualcomm ADRENO 620 -
MEMORY OPPO Reno4 5G Xiaomi Redmi A1
RAM LPDDR4X SDRAM - 8 GB LPDDR4X SDRAM - 2 GB OPPO Reno4 5G has more RAM than Xiaomi Redmi A1.
Internal Memory Size (Storage Capacity) 128 GB 32 GB OPPO Reno4 5G has more internal memory than Xiaomi Redmi A1.
Memory Interface UFS 2.1 eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OPPO Reno4 5G Xiaomi Redmi A1
MAIN CAMERA
Number of Main Cameras 3 2
Sensor Resolution 48 Megapixel 8 Megapixel OPPO Reno4 5G has better camera resolution than Xiaomi Redmi A1.
Sensor Size 1/2" -
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/2.0 OPPO Reno4 5G has better lens aperture than OPPO Reno4 5G.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Focus Adjustment Automatic -
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 26 mm -
Special Effects HDR, Bokeh effect HDR
Camera Modes Time-lapse mode, night mode, Expert Mode, Text, AI Beautify, AI Portait, Pano mode, Dazzle Colour Mode Time-lapse mode, portrait mode, Short video mode
Light Source LED 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, 1280 x 720 (720p) at 60 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Noise reduction, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Closed loop processing, 4-in-1 Pixel technology, Ultra Steady Video, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF) AI Dual camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
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) 119 degree(s) -
Minimum Focal Length (2nd Camera) 16 mm -
Camera Functions (2nd Camera) Monochrome -
Camera Modes (2nd Camera) Ultra Night Mode 3.0 -
Camera Features (2nd Camera) 5-piece lens, Ultra Steady Video Pro -
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel -
Lens Aperture (3rd Camera) F/2.4 -
Lens Element Qty (3rd Camera) 3-element -
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 32 Megapixel 5 Megapixel OPPO Reno4 5G has better front camera resolution than Xiaomi Redmi A1.
Sensor Name (Front) Sony Exmor RS IMX616 sensor -
Lens Aperture (Front) F/2.4 F/2.2 Xiaomi Redmi A1 has better front lens aperture than OPPO Reno4 5G.
Lens Element Qty (Front) 5-element -
Pixel Size (Front) 0.8 μm -
Camera Modes (Front) Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait Beautify
Light Source (Front) Display flash -
Still Image Resolutions (Front) 6560 x 4928 -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Electronic Image Stabiliser (EIS), 5P lens AI Selfie
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Lens Aperture (2nd Front) F/2.4 -
Pixel Size (2nd Front) 1.75 μm -
Camera Functions (2nd Front) Portait camera -
Camera Features (2nd Front) 3-piece lens -
BATTERY AND CHARGING OPPO Reno4 5G Xiaomi Redmi A1
Battery Capacity (Battery Size) 4020 mAh 5000 mAh Xiaomi Redmi A1 has larger battery capacity than OPPO Reno4 5G.
Fast Charging Technology SuperVOOC 2.0 Flash Charge - OPPO Reno4 5G has fast charging technology.
Recharge Time (Charging Time) 36 min -
Standby Time 390 hours 746 hours Xiaomi Redmi A1 has longer standby time than OPPO Reno4 5G.
Talk Time 1560 minutes 1800 minutes Xiaomi Redmi A1 has longer battery life when making calls than OPPO Reno4 5G.
Run Time Details Standby: up to 390 hrs
Talk: up to 1560 min
Playback (Music): up to 37 hrs
Playback (video): up to 17.1 hrs
Talk: up to 1800 min
Standby: up to 746 hrs
Playback (video): up to 22 hrs
Playback (Music): up to 161 hrs
CELLULAR OPPO Reno4 5G Xiaomi Redmi A1
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OPPO Reno4 5G has more advanced generation mobile network.
Operating System ColorOS 7.2 (based on Android 10) Android 12 (Go edition)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno4 5G Xiaomi Redmi A1
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 850, 900
4G LTE Band 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 3, 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 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
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 Wi-Fi
Bluetooth Bluetooth 5.1 Bluetooth 5.0
NFC Yes - OPPO Reno4 5G has NFC reader for mobile payments.
MEDIA OPPO Reno4 5G Xiaomi Redmi A1
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+ -
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, MP4 -
Sound Enhancements Dolby Atmos sound technology -
FEATURES OPPO Reno4 5G Xiaomi Redmi A1
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor Accelerometer
Security Devices Fingerprint reader (under display) -
Additional Phone Features MU-MIMO technology, Google Lens Fast Charging
OTHERS OPPO Reno4 5G Xiaomi Redmi A1
Included Accessories Headphones, power adapter, SIM card removal tool, USB-C cable, protective case USB cable, SIM card removal tool, 10W charger
Compliant Standards IP54, TUV Rheinland Certified Safe Fast-Charge System -
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