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  3. Oppo K7x vs Vivo X51 5G

Oppo K7x vs Vivo X51 5G

Product Name

Oppo K7x

Vivo X51 5G

Product Image Oppo K7x Vivo X51 5G
Price $224.71
Our Rating NaN.0 NaN.0
Brand Oppo Vivo
Category Phones Phones


Oppo K7xVivo X51 5G
Size 6.50 inches 6.56 Inches
Resolution 1080x2400 pixels 405 PPI 1080x2376 pixels
Features 90Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor


Oppo K7xVivo X51 5G
System chip MediaTek Dimensity 720 Qualcomm Snapdragon 765G
Processor Octa-core
Internal storage 128GB 256GB
Storage expansion No No
Device type Smartphone Smartphone
OS Android (10), ColorOS 7.2 Android 10


Oppo K7xVivo X51 5G
Capacity 5000 mAh 4315 mAh
Type Not user replaceable Not User Replaceable
Charging Fast charging Proprietary Fast charging Proprietary


Oppo K7xVivo X51 5G
Main camera 48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
Rear autofocus Yes
Rear flash Yes
48-megapixel (f/1.6) + 13-megapixel (f/2.46) + 8-megapixel (f/2.2) + 8-megapixel (f/3.4)
Rear autofocus Yes
Rear flash Yes
Video recording Yes Yes
Front 16-megapixel (f/2.0) 32-megapixel (f/2.45)


Oppo K7xVivo X51 5G
Dimensions 162.20 x 75.10 x 9.10 mm 158.46 x 72.80 x 8.04mm
Weight 194.00g 181.50g
Materials Gorilla Glass
Biometrics Fingerprint
Keys Right: Volume control, Lock/Unlock key
Colors Black Mirror, Blue Shadow Alpha Grey


Oppo K7xVivo X51 5G
5G Yes Yes
LTE (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
LTE (TDD) Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
UMTS 850, 900, 1700/2100, 1900, 2100 MHz 850, 900, 1700/2100, 1900, 2100 MHz
Data Speed LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS Yes
Dual SIM Yes Yes
SIM type Nano SIM Nano SIM


Oppo K7xVivo X51 5G
Headphones 3.5mm jack 3.5mm jack
Speakers Earpiece, Multiple speakers Yes
Screen mirroring Wireless screen share
Additional microphone(s) for Noise cancellation for Noise cancellation


Oppo K7xVivo X51 5G
Bluetooth 5.0 5.10
Wi-Fi 802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot Yes
USB Type-C Type-C
Features Charging Charging
Location GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning

Buyers Information

Oppo K7xVivo X51 5G
Price CNY 1,499 GBP 749


Oppo K7xVivo X51 5G
Officially announced Nov 4, 2020 Oct 21, 2020

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