OPPO Reno4 5G vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Reno4 5G and Xiaomi Redmi 12. 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 12 Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno4 5G Xiaomi Redmi 12
Product Type Smartphone Smartphone
Manufacturer Model Number CPH2091 -
Form Factor Touch Touch
Height 159.3 mm 168.6 mm Xiaomi Redmi 12 has greater height than OPPO Reno4 5G.
Width 74 mm 76.28 mm Xiaomi Redmi 12 has greater width than OPPO Reno4 5G.
Depth 7.8 mm 8.17 mm OPPO Reno4 5G is narrower than OPPO Reno4 5G.
Weight 183 g 198.5 g OPPO Reno4 5G is lighter than OPPO Reno4 5G.
Body Colour Space black | Galactic blue Midnight black
Protection - Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating IP54 IP53
SAR Value 0.886 W/kg (head), 1.155 W/kg (body), 2.165 W/kg (limb) -
Integrated Components - FM radio
Connector Type 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 -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OPPO Reno4 5G Xiaomi Redmi 12
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.4" 6.79" Xiaomi Redmi 12 has larger screen size than OPPO Reno4 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than OPPO Reno4 5G.
Display Format Full HD+ Full HD+
Pixel Density 409 ppi 396 ppi OPPO Reno4 5G has better pixel density than Xiaomi Redmi 12.
Aspect Ratio 20:9 -
Max Brightness 800 cd/m² 550 cd/m² OPPO Reno4 5G has better display brightness than Xiaomi Redmi 12.
Colour Depth 16.7 million colours -
Contrast Ratio 800000:1 1500:1 OPPO Reno4 5G has better display contrast ratio than Xiaomi Redmi 12.
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate 60 Hz 90 Hz Xiaomi Redmi 12 has better refresh rate than OPPO Reno4 5G.
Display Features DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR OPPO Reno4 5G Xiaomi Redmi 12
Processor Type (CPU) Qualcomm Snapdragon 765G MediaTek Helio G88
Clock Speed 2.4 GHz 2 GHz OPPO Reno4 5G has higher clock speed than Xiaomi Redmi 12.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 620 ARM Mali-G52
MEMORY OPPO Reno4 5G Xiaomi Redmi 12
RAM LPDDR4X SDRAM - 8 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension OPPO Reno4 5G has more RAM than Xiaomi Redmi 12.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
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 12
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than OPPO Reno4 5G.
Sensor Size 1/2" -
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.8 OPPO Reno4 5G has better lens aperture than OPPO Reno4 5G.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 26 mm -
Special Effects HDR, Bokeh effect -
Camera Modes Time-lapse mode, night mode, Expert Mode, Text, AI Beautify, AI Portait, Pano mode, Dazzle Colour 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 Triple 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 Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 119 degree(s) 120 degree(s) Xiaomi Redmi 12 has larger second camera lens field of view than OPPO Reno4 5G.
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 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Lens Element Qty (3rd Camera) 3-element -
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 32 Megapixel 8 Megapixel OPPO Reno4 5G has better front camera resolution than Xiaomi Redmi 12.
Sensor Name (Front) Sony Exmor RS IMX616 sensor -
Lens Aperture (Front) F/2.4 F/2.1 Xiaomi Redmi 12 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 -
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 -
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 12
Battery Capacity (Battery Size) 4020 mAh 5000 mAh Xiaomi Redmi 12 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 552 hours Xiaomi Redmi 12 has longer standby time than OPPO Reno4 5G.
Talk Time 1560 minutes 2220 minutes Xiaomi Redmi 12 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 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
CELLULAR OPPO Reno4 5G Xiaomi Redmi 12
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 13
User Interface - MIUI 14
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno4 5G Xiaomi Redmi 12
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 FDD-LTE, TDD-LTE
2G Band 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 5.3
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA OPPO Reno4 5G Xiaomi Redmi 12
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 12
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, digital compass
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features MU-MIMO technology, Google Lens Fast Charging, IR blaster
OTHERS OPPO Reno4 5G Xiaomi Redmi 12
Included Accessories Headphones, power adapter, SIM card removal tool, USB-C cable, protective case Power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP54, TUV Rheinland Certified Safe Fast-Charge System IP53, SGS Low Blue Light Certification
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