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Xiaomi Redmi Note 6 Pro vs vivo X21i

 
Brief information about compared phones: vivo X21i , Xiaomi Redmi Note 6 Pro

vivo X21i 2018 year of release, cpu Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), screen 6.28", with resolution 1080x2280. Smartphone has 24 megapixel front camera and 12 megapixel main camera.

Xiaomi Redmi Note 6 Pro 2018 year of release, cpu Octa-core 1.8 GHz Kryo 260, screen 6.26", with resolution 1080x2280. Smartphone has 20 megapixel front camera and 12 megapixel main camera.

Display Technology Super AMOLED IPS LCD
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.28" inch 6.26" inch
Screen area 98.4 cm2 97.8 cm2
Screen format 19:9 (height:width) 19:9 (height:width)
Screen to body ratio 85.0% 81.1%
Screen resolution 1080 x 2280 px 1080 x 2280 px
PPI /points per inch/ 402 PPI 403 PPI
Screen protection Corning Gorilla Glass (unspecified version)
Camera and Video Rear camera, main 12 MP, Dual 12 MP, Dual
Camera specs 12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.0, depth sensor 12 MP, f/1.9, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.2, 1.12µm, depth sensor
Functions LED flash, HDR, panorama HDR
Video 1080p@30fps 1080p@30fps
Front camera, selfie 24 MP, Single 20 MP, Dual
Specifications 24 MP 20 MP, f/2.0, 0.9µm 2 MP, f/2.2, 1.75µm, depth sensor
Performance Operating system OS Android 8.1 (Oreo); Funtouch 4 Android 8.1 (Oreo); MIUI 9
Chipset Mediatek MT6771 Helio P60 (12 nm) Qualcomm SDM636 Snapdragon 636 (14 nm)
Processor CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core 1.8 GHz Kryo 260
Graphics processor GPU Mali-G72 MP3 Adreno 509
External memory microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 128 GB, 4 GB RAM 64 GB, 6 GB RAM 64 GB, 4/6 GB RAM 32 GB, 3 GB RAM
Antutu 7 score 130256 116068
GeekBench 4 Single Core 1497 1332
GeekBench 4 Multi-Core 5759 4675
Antutu 8 score 148005
GeekBench 5 Single Core 273
GeekBench 5 Multi-Core 1125
General specs Release date 2018, May 2018, September
Dimensions (HxWxD) 154.4 Х 75 Х 7 mm 157.9 Х 76.4 Х 8.3 mm
Weight 159 g 182 g
Colors Black, Aurora White, Ruby Red, Night Purple Black, Blue, Rose Gold, Red
Battery 3425 mAh,  Non-removable Li-Ion 4000 mAh,  Non-removable Li-Po
Approximate price 430 EUR 190 EUR
Communication and Connectivity SIM card Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)  LTE band 1(2100), 2(1900), 28(700), 40(2300)
Speed HSPA, LTE HSPA, LTE-A
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
NFC
USB microUSB 2.0, USB On-The-Go microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Music and Audio Radio FM radio FM radio, recording
Headphone jack Yes Yes
Others 32-bit/192kHz audio -Active noise cancellation with dedicated mic Active noise cancellation with dedicated mic
Other features Dop Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, Infrared port - Charging 2A/5V 10W

An overview of the main advantages of each of the devices

Reasons to buy X21i
  • Screen 6.28"
  • Front camera 24 MP
  • External memory microSD GB
Reasons to buy Redmi Note 6 Pro
  • Screen 6.26"
  • Front camera 20 MP
  • External memory microSD GB