Samsung Galaxy A8 Star (A9 Star) vs vivo X20 Plus
_big.jpg)
Samsung Galaxy A8 Star (A9 Star)
vivo X20 Plus
-
Network
-
2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 900, 1800; CDMA 800 & TD-SCDMA
-
3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100
-
4G networkLTELTE frequency band 1(2100), 2(1900), 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)
-
HSDPA speed42.2 Mbps-
-
HSUPA speed5.76 Mbps-
-
HSPA speed-HSPA
-
LTE speed-LTE
-
LTE-A speedLTE-A, (3CA) Cat9, 450 Mbps download, 50 Mbps upload-
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2018-62017-9
-
Status20182017-10
-
Design
-
BuildPolycarbonate-
-
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
-
Height162.4 mm165.3 mm
-
Width77 mm80.1 mm
-
Thickness7.6 mm7.5 mm
-
Weight191 g181.5 g
-
PaymentSamsung Pay-
-
ColorsBlack, WhiteGold, Matte Black, Rose gold
-
Display
-
Display typeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
-
Physical size6.3 inches6.43 inches
-
Resolution1080 x 2220 pixels1080 x 2160 pixels
-
Pixel density392 ppi376 ppi
-
Display colors1677721616777216
-
Protection2.5D curved glass screen-
-
MultitouchYesYes
-
Hardware
-
CPUOcta-coreOcta-core
-
CPUQuad-core 2.2 GHz Kryo 260Quad-core 2.2 GHz Kryo 260
-
CPU(second)quad-core 1.8 GHz Kryo 260quad-core 1.8 GHz Kryo 260
-
ChipsetQualcomm SDM660 Snapdragon 660Qualcomm MSM8956 Plus Snapdragon 660
-
GPUAdreno 512-
-
Memory RAM4 GB4 GB
-
Internal storage64 GB64 GB
-
Memory cardmicroSD(uses second SIM slot)microSD(uses second SIM slot)
-
Memory card max400 GB256 GB
-
OS
-
OSAndroid 8.0 (Oreo)Android 7.1.1 (Nougat)
-
Main camera
-
Camera typeDualDual
-
Main camera24 MP, f/1.712 MP, f/1.8
-
16 MP, f/1.75 MP
-
Primary camera resolution4608 x 3456 pixels-
-
Primary camera video2160p@30fps, 1080p@30fps1080p@30fps
-
Primary camera Autofocusphase detection autofocusautofocus
-
Primary camera flashLED flashLED flash
-
Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
-
DxOMark photo-92
-
DxOMark video-87
-
DxOMark camera score-90
-
Selfie camera
-
Selfie camera24 MP, f/2.012 MP, f/2.0
-
Selfie camera resolution5632 x 4224 pixels-
-
Selfie camera video1080p-
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
EarpieceYes-
-
Multimedia
-
Radio-No
-
Radio FMFM radio-
-
Connectivity
-
WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
-
WLAN WiFi HotspotYesYes
-
WLAN WiFi DirectYesYes
-
WLAN WiFi Dual BandYesYes
-
USBType-C 1.0 reversible connectormicroUSB 2.0
-
USB On-The-Go-Yes
-
Bluetoothv5.0v5.0
-
Bluetooth A2DPYesYes
-
bluetooth LEYesYes
-
NFCYes-
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASSYes-
-
GALILEOYes-
-
BDSYes-
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIM-
-
Messaging Push EmailPush EmailPush Email
-
Java-No
-
SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
-
Browser
-
HTMLHTML5HTML5
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity3700 mAh3900 mAh
-
Battery removableNon-removableNon-removable
-
Fast battery chargingYesYes
