vivo X21 vs Samsung Galaxy A21s Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.5
Samsung Galaxy A21s
vivo X21 Samsung Galaxy A21s
Released · May 29, 2018
Released · Jun 19, 2020
6.3-inch · 2280x1080px
6.5-inch · 1600x720px
Dual camera
Quad camera
6GB · 128GB
3GB · 32GB
3200 mAh
5000 mAh
Check prices

Availability

Officially announced
May 15, 2020
Prices (MSRP)
€240

Design

Dimensions
6.08 x 2.94 x 0.29 inches
154.45 x 74.78 x 7.37 mm
6.44 x 2.96 x 0.35 inches
163.7 x 75.3 x 8.9 mm
Weight
5.51 oz / 156.2 g 6.77 oz / 192.0 g
Materials
Back: Aluminum
Frame: Aluminum
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Black, White, Blue, Red

Display

Size
6.3-inch, 85.36% screen-to-body 6.5-inch, 82.94% screen-to-body
Type
Super AMOLED TFT
Resolution
2280x1080px, 402 PPI 1600x720px, 20:9 ratio, 270 PPI
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
Untested 4.6 (Poor)

Hardware

System chip
Snapdragon 660 SDM660 (14 nm) Samsung Exynos 850
Processor
Octa-core
2200 MHz
Kryo 260
Octa-core
8x2.0GHz Cortex-A55
GPU
Adreno 512 Mali-G76
Memory
6GB (LPDDR4)/128GB 3GB (LPDDR4)/32GB (eMMC 5.1)
4GB/64GB
6GB/64GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (8.1 Oreo) Android (10)

Battery

Type
3200 mAh, Li - Ion 5000 mAh, Li - Polymer
Charging
Fast charging Fast charging
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
Untested
Video
11h 9min
Gaming
7h 48min

Camera

Rear
Dual camera Quad camera
Main camera
12 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.8"
Pixel size: 1.28 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
5 MP (Depth information)
Aperture size: F2.4
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps)
Time-lapse video, Video calling, Video sharing
1080p (30 fps)
Front
12 MP
Video capture: 1080p
13 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
microUSB, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5 1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
40, 41 38, 40, 41
3G Bands
5, 8, 1 1, 2, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

Measured SAR
Head: 1.18 W/kg
Body: 0.57 W/kg

Alternative variants

with 4GB RAM
Memory 4GB/64GB
with 6GB RAM
Memory 6GB/64GB
FCC OKs Cingular\'s purchase of AT&T Wireless