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vivo X21i vs OnePlus 8

 
Brief information about compared phones: OnePlus 8 , vivo X21i

OnePlus 8 2020 year of release, cpu Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585), screen 6.55", with resolution 1080x2400. Smartphone has 16 megapixel front camera and 48 megapixel main camera.

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.

Display Technology Fluid AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.55" inch 6.28" inch
Screen area 103.6 cm2 98.4 cm2
Screen format 20:9 (height:width) 19:9 (height:width)
Screen to body ratio 88.7% 85.0%
Screen resolution 1080 x 2400 px 1080 x 2280 px
PPI /points per inch/ 402 PPI 402 PPI
Screen protection Corning Gorilla Glass
Camera and Video Rear camera, main 48 MP, Triple 12 MP, Dual
Camera specs 48 MP, f/1.8, 25mm (wide), 1/2.0'', 0.8µm, PDAF, OIS -16 MP, f/2.2, 13mm (ultrawide), PDAF -2 MP, f/2.4, (macro) 12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.0, depth sensor
Functions Auto-HDR LED flash, HDR, panorama
Video 1080p@30fps, gyro-EIS 1080p@30fps
Front camera, selfie 16 MP, Single 24 MP, Single
Specifications 16 MP, f/2.0, (wide), 1/3'', 1.0µm 24 MP
Performance Operating system OS Android 10.0; OxygenOS 10.0 Android 8.1 (Oreo); Funtouch 4
Chipset Qualcomm SM8250 Snapdragon 865 (7 nm+) Mediatek MT6771 Helio P60 (12 nm)
Processor CPU Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Adreno 650 Mali-G72 MP3
External memory No microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 128GB 8GB RAM, 256GB 12GB RAM 128 GB, 4 GB RAM 64 GB, 6 GB RAM
Antutu 7 score 130256
GeekBench 4 Single Core 1497
GeekBench 4 Multi-Core 5759
General specs Release date 2020, April 14 2018, May
Dimensions (HxWxD) 160.2 Х 72.9 Х 8 mm 154.4 Х 75 Х 7 mm
Weight 180 g 159 g
Colors Onyx Black, Glacial Green, Interstellar Glow, Polar Silver Black, Aurora White, Ruby Red, Night Purple
Battery 4300 mAh, Non-removable Li-Po 3425 mAh,  Non-removable Li-Ion
Approximate price 700 EUR 430 EUR
Body build Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame
Communication and Connectivity SIM card 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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46(5200), 66(1700/2100) - EU -5G - 5G band 1(2100), 78(3500); SA/NSA - EU 5G band 2(1900), 66(1700), 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500), 78(3500), 79(4700); SA/NSA - CNmmWave - Verizon exclusive 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)
Speed HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/150 Mbps, 5G 7.5 Gbps DL HSPA, LTE
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS Yes, with A-GPS, GLONASS
NFC Yes
USB 3.1, Type-C 1.0 reversible connector, USB On-The-Go microUSB 2.0, USB On-The-Go
Bluetooth 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE
Music and Audio Radio No FM radio
Headphone jack No Yes
Others HDR10+ -90Hz refresh rate 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features Dop Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass - Fast charging 30W, 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins) Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging

An overview of the main advantages of each of the devices

Reasons to buy 8
  • Screen 6.55"
  • Front camera 16 MP
  • Main camera 48 MP
  • Internal memory 256 GB
  • RAM 12 GB
Reasons to buy X21i
  • Screen 6.28"
  • Front camera 24 MP
  • External memory microSD GB