Comparisons / Comparison of Vivo X21 and Vivo X9

Comparison of Vivo X21 and Vivo X9 [S]ave

Attribute
Vivo X21 ×
Vivo X9 ×
General
BrandVivoVivo
Launch
Announced2018-03-012016-11-01
Body
Width (mm)7.47
Length (mm)154.5152.6
Height (mm)74.874
Weight (g)156.2154
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
FrontGlass-
BackAluminum-
FrameAluminum-
Network
Technology
  • CDMA
  • GSM
  • HSPA
  • LTE
  • CDMA2000
  • GSM
  • HSPA
  • LTE
2G bands
  • CDMA 800 & TD
  • GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • GSM 900 / 1800
3G bands
  • HSDPA 850 / 900 / 1900 / 2100
  • CDMA2000 1x & TD
  • HSDPA 850 / 900 / 1900 / 2100
4G bands
  • 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
  • 1, 2, 3, 4, 5, 8, 38, 39, 40, 41
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Platform
OSAndroid 8.1 (Oreo)Android 6.1 (Marshmallow)
ChipsetQualcomm SDM660 Snapdragon 660 (14 nm)Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPUOcta-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)Octa-core 2.0 GHz Cortex-A53
GPUAdreno 512Adreno 506
Memory
Card slotmicroSDXC (uses shared SIM slot)No
Internal
  • 128GB 6GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 64GB 4GB RAM
Display
Size (in)6.285.5
Resolution (px)1080 x 22801080 x 1920
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Display TypeSuper AMOLEDSuper AMOLED
Battery
TypeLi-IonLi-Ion
ChargingFast charging 18WFast charging 18W
Capcity (mAh)32003050
Main Camera
Main Camera TypeDualSingle
Main Camera Properties
  • 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
  • 5 MP, f/2.4, (depth)
  • 16 MP, f/2.0, PDAF
Main Camera Video1080p@30fps1080p@30fps
Main Camera FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Selfie Camera
Selfie Camera TypeSingleDual
Selfie Camera Properties
  • 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
  • 20 MP, f/2.0, (wide), 1/2.8", 1.0µm
  • 8 MP
Selfie Camera Video1080p@30fps1080p@30fps
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE4.2, A2DP, LE
GPS++
NFC--
RadioFM radioNo
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (rear-mounted)
  • accelerometer
  • compass
  • proximity
  • Fingerprint (front-mounted)
  • accelerometer
  • compass
  • proximity
Misc
Colors
  • Aurora White
  • Black
  • Ruby Red
  • Gold
  • Rose Gold
Models
  • 1725
  • X21A
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