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vivo X21i vs Samsung Galaxy S9

 
Brief information about compared phones: Samsung Galaxy S9 , vivo X21i

Samsung Galaxy S9 2018 year of release, cpu Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) EMEA -Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) USA/LATAM, screen 5.8", with resolution 1440x2960. Smartphone has 8 megapixel front camera and 12 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 Super AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 5.8" inch 6.28" inch
Screen area 84.8 cm2 98.4 cm2
Screen format 18.5:9 (height:width) 19:9 (height:width)
Screen to body ratio 83.6% 85.0%
Screen resolution 1440 x 2960 px 1080 x 2280 px
PPI /points per inch/ 570 PPI 402 PPI
Screen protection Corning Gorilla Glass 5
Camera and Video Rear camera, main 12 MP, Single 12 MP, Dual
Camera specs 12 MP, f/1.5-2.4, 26mm (wide), 1/2.55'', 1.4µm, OIS, dual pixel PDAF 12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.0, depth sensor
Functions Dual video call, Auto-HDR LED flash, HDR, panorama
Video 1440p@30fps 1080p@30fps
Front camera, selfie 8 MP, Single 24 MP, Single
Specifications 8 MP, f/1.7, 25mm (wide), 1/3.6'', 1.22µm, AF 24 MP
DxOMark Photo 81
DxOMark Video 81
DxOMark Selfie Score 81
Performance Operating system OS Android 8.0 (Oreo) Android 8.1 (Oreo); Funtouch 4
Chipset Exynos 9810 Octa (10 nm) EMEA -Qualcomm SDM845 Snapdragon 845 (10 nm) USA/LATAM, China Mediatek MT6771 Helio P60 (12 nm)
Processor CPU Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) EMEA -Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) USA/LATAM, China Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Mali-G72 MP18 EMEA -Adreno 630 USA/LATAM, China Mali-G72 MP3
External memory microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 64/128/256 GB, 512GB 4GB 128 GB, 4 GB RAM 64 GB, 6 GB RAM
Antutu 7 score 247256 130256
GeekBench 4 Single Core 3288 1497
GeekBench 4 Multi-Core 8240 5759
GeekBench 4 RenderScript 8705
Antutu 8 score 284449
GeekBench 4 Battery 3960
GeekBench 5 Single Core 469
GeekBench 5 Multi-Core 1957
General specs Release date 2018, February 2018, May
Dimensions (HxWxD) 147.7 Х 68.7 Х 8.5 mm 154.4 Х 75 Х 7 mm
Weight 163 g 159 g
Colors Midnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue Black, Aurora White, Ruby Red, Night Purple
Battery 3000 mAh,  Non-removable Li-Ion 3425 mAh,  Non-removable Li-Ion
Approximate price 490 EUR 430 EUR
Body build Front/back glass (Gorilla Glass 5), aluminum frame
Communication and Connectivity SIM card Single SIM (Nano-SIM)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 (dual-SIM model only)  CDMA 800 / 1900 - USA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA  CDMA2000 1xEV-DO - USA -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), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Global  LTE band 1(2100), 14(700), 29(700), 30(2300), 46, 66(1700/2100), 71(600) - USA 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 (6CA) Cat18 1200/200 Mbps HSPA, LTE
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS
NFC Yes
USB 3.1, Type-C 1.0 reversible connector microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE, aptX 5.0, A2DP, LE
Music and Audio Radio FM radio (USA & Canada only) FM radio
Headphone jack Yes Yes
Others HDR10 -3D Touch (home button only) -Always-on display 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features Dop Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 - Samsung DeX (desktop experience support) -Fast battery charging (Quick Charge 2.0) -Qi/PMA wireless charging (market dependent) -ANT+ -Bixby natural language commands and dictation - Samsung Pay (Visa, MasterCard certified) -IP68 dust/water proof (up to 1.5m for 30 mins) - Versions: G960F (Europe, Global Single-SIM); G960F/DS (Europe, Global Dual-SIM); G960U (USA); G960W (Canada); G9600 (China, LATAM) Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging

An overview of the main advantages of each of the devices

Reasons to buy Galaxy S9
  • Screen 5.8"
  • Front camera 8 MP
  • Internal memory 512 GB
  • External memory microSD GB
Reasons to buy X21i
  • Screen 6.28"
  • Front camera 24 MP
  • External memory microSD GB