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Samsung Galaxy A8 Star (A9 Star)

Smartphone 2

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vivo X21

Smartphone 3

Samsung Galaxy A8 Star (A9 Star) vs vivo X21 : What is the Difference?

  • Release Date: 2018, June | 2018, March
  • Dimensions: 162.4 x 77 x 7.6 mm | 154.5 x 74.8 x 7.4 mm
  • Weight: 191 g | 156.2 g
  • Screen: 6.3", Super AMOLED | 6.28", Super AMOLED
  • Main Camera: Dual, 24 MP | Dual, 12 MP
  • Selfi Camera: Single, 24 MP | Single, 12 MP
  • Memory: 64 GB, 4/6 GB RAM | 64/128 GB, 6 GB RAM
  • Battery: 3700 mAh | 3200 mAh
  • Headphone Jack: Yes | Yes
  • Approximate price: 350 EUR | 450 EUR

Continue reading and check the table below for full detailed comparison of all phones specs .


Common features
Release date 2018 2018
Dimensions (HxWxD) 162.4 Х 77 Х 7.6 mm 154.5 Х 74.8 Х 7.4 mm
Weight 191 g 156.2 g
Body Build Front/back glass, aluminum frame Front glass, aluminum body
Colors Black, White Black, Aurora White, Ruby Red
Battery 3700 mAh,  Non-removable Li-Ion 3200 mAh,  Non-removable Li-Ion
Approximate price 350 EUR 450 EUR

Performance
Operating system - OS Android 8 (Oreo) Android 8.1 (Oreo); Funtouch 4
Chipset - Qualcomm SDM660 Snapdragon 660 (14 nm) - Qualcomm SDM660 Snapdragon 660 (14 nm)
Processor CPU - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Adreno 512 Adreno 512
External memory microSD, up to 512 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 64 GB, 4/6 GB RAM 64/128 GB, 6 GB RAM
Antutu score 143205
GeekBench Single Core 1806
GeekBench Multi-Core 4240

Screen
Technology Super AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.3" inc 6.28" inc
Screen area 100.7 cm2 98.4 cm2
Screen format 18.5:9 (height:width) 19:9 (height:width)
Screen to body ratio 80.6% 85.2%
Screen resolution 1080 x 2220 px 1080 x 2280 px
Screen PPI /points per inch/ 392 PPI 402 PPI
Other specs - Samsung Experience 9 UX
Camera and Video
Rear camera, main 24 MP, Dual 12 MP, Dual
Camera specs -24 MP, f/1.7
-16 MP, f/1.7, PDAF
-12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF
-5 MP, f/2.4, depth sensor
Functions LED flash, panorama, HDR LED flash, HDR, panorama
Video 2160p@30fps, 1080p@30fps 1080p@30fps
Front camera, selfie 24 MP, Single 12 MP, Single
Specifications 24 MP, f/2.0 12 MP, f/2.0
Video 1080p@30fps 1080p@30fps
Communication and Connectivity
SIM card Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
Bands -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800 & TD-SCDMA - China
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - Global 
LTE band 1(2100), 3(1800), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800 & TD-SCDMA
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
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 2.0, Type-C 1.0 reversible connector microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Harmful irradiation
SAR EU - 0.43 W/kg (head)     1.79 W/kg (body)    
Music and Audio
Radio FM radio FM radio
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic
-Dolby Atmos sound (headphones only)
- 32-bit/192kHz audio
-Active noise cancellation with dedicated mic
Other features
Sensors - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fingerprint (rear-mounted), accelerometer, proximity, compass
Other extras
- Fast battery charging 9V/1.67A
-ANT+
- Samsung Pay

- Fast battery charging
Versions
- Versions: A8 Star (Global, SEA, South Korea); A9 Star (China)

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