Vivo X51 5G vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of Vivo X51 5G and Xiaomi Redmi 12. 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.

Phone Specifications Comparison

Vivo X51 5G vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS Vivo X51 5G Xiaomi Redmi 12
Product Type Smartphone Smartphone
Manufacturer Model Number V2006 -
Form Factor Touch Touch
Height 158.46 mm 168.6 mm Xiaomi Redmi 12 has greater height than Vivo X51 5G.
Width 72.8 mm 76.28 mm Xiaomi Redmi 12 has greater width than Vivo X51 5G.
Depth 8.04 mm 8.17 mm Vivo X51 5G is narrower than Vivo X51 5G.
Weight 181.5 g 198.5 g Vivo X51 5G is lighter than Vivo X51 5G.
Body Colour Alpha grey Midnight black
Protection - Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating IP53 IP53
SAR Value 1.205 W/kg (head), 1.239 W/kg (body), 3.086 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 Vivo X51 5G Xiaomi Redmi 12
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.56" 6.79" Xiaomi Redmi 12 has larger screen size than Vivo X51 5G.
Screen Resolution (Display Resolution) 2376 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than Vivo X51 5G.
Display Format - Full HD+
Pixel Density 398 ppi 396 ppi Vivo X51 5G has better pixel density than Xiaomi Redmi 12.
Aspect Ratio 19.8:9 -
Max Brightness 500 cd/m² 550 cd/m² Xiaomi Redmi 12 has better display brightness than Vivo X51 5G.
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features - Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
PROCESSOR Vivo X51 5G Xiaomi Redmi 12
Processor Type (CPU) Qualcomm Snapdragon 765G MediaTek Helio G88
Clock Speed 2.4 GHz 2 GHz Vivo X51 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) - ARM Mali-G52
MEMORY Vivo X51 5G Xiaomi Redmi 12
RAM 8 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Vivo X51 5G has more RAM than Xiaomi Redmi 12.
Internal Memory Size (Storage Capacity) 256 GB 128 GB Vivo X51 5G has more internal memory than Xiaomi Redmi 12.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Vivo X51 5G Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than Vivo X51 5G.
Lens Aperture F/1.6 F/1.8 Vivo X51 5G has better lens aperture than Vivo X51 5G.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Special Effects HDR -
Camera Modes Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode -
Light Source LED flash LED flash
Video Resolutions - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel 8 Megapixel Vivo X51 5G has better second camera resolution than Xiaomi Redmi 12.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.46 F/2.2 Xiaomi Redmi 12 has better second camera lens aperture than Vivo X51 5G.
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 2 Megapixel Vivo X51 5G has higher resolution third camera than Xiaomi Redmi 12.
Lens Type (3rd Camera) Wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Vivo X51 5G has better third camera lens aperture than Vivo X51 5G.
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 8 Megapixel -
Lens Type (4th Camera) Telephoto lens -
Lens Aperture (4th Camera) F/3.4 -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 8 Megapixel Vivo X51 5G has better front camera resolution than Xiaomi Redmi 12.
Lens Aperture (Front) F/2.45 F/2.1 Xiaomi Redmi 12 has better front lens aperture than Vivo X51 5G.
Special Effects (Front) HDR -
Camera Modes (Front) Live Photos, Portrait -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) 2 x digital zoom -
BATTERY AND CHARGING Vivo X51 5G Xiaomi Redmi 12
Battery Capacity (Battery Size) 4315 mAh 5000 mAh Xiaomi Redmi 12 has larger battery capacity than Vivo X51 5G.
Standby Time - 552 hours
Talk Time - 2220 minutes
Run Time Details - Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
CELLULAR Vivo X51 5G Xiaomi Redmi 12
Technology CDMA2000 1X / GSM / WCDMA (UMTS) WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Vivo X51 5G has more advanced generation mobile network.
Operating System Funtouch OS 10 (based on Android 10) Android 13
User Interface - MIUI 14
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Vivo X51 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, 800 CDMA2000 1X -
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 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, n7, n8, n28, n38, n41, n77, n78 -
5G NR Frequency FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 -
Wireless Interface Wi-Fi Wi-Fi
Bluetooth Bluetooth 5.1 Bluetooth 5.3
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Vivo X51 5G Xiaomi Redmi 12
Supported Digital Audio Standards WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis -
Supported Digital Video Standards MKV, AVI, 3GP, TS, MP4 -
Audio Amplifier AK4377A -
FEATURES Vivo X51 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, digital compass Accelerometer, digital compass
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features - Fast Charging, IR blaster
OTHERS Vivo X51 5G Xiaomi Redmi 12
Included Accessories Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film Power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP53 IP53, SGS Low Blue Light Certification
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