vivo X21 vs Nothing Phone (2a) 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.

5.6
Nothing Phone (2a)
vivo X21 Nothing Phone (2a)
Released · May 29, 2018
Released · Mar 05, 2024
6.3-inch · 2280x1080px
6.7-inch · 2412x1084px
Dual camera
Dual camera
6GB · 128GB
8GB · 128GB
3200 mAh
5000 mAh
Check prices

Availability

Officially announced
Mar 05, 2024
Prices (MSRP)
$349 | €329

Design

Dimensions
6.08 x 2.94 x 0.29 inches
154.45 x 74.78 x 7.37 mm
6.41 x 3.00 x 0.34 inches
162.74 x 76.32 x 8.55 mm
Weight
5.51 oz (156.2 g) 6.70 oz (190.0 g)
Materials
Back: Aluminum
Frame: Aluminum
Back: Plastic
Frame: Plastic
Resistance
Yes; IP54
Biometrics
2D Face unlock, Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Black

Display

Size
6.3-inch, 85.36% screen-to-body 6.7-inch, 87.28% screen-to-body
Type
Super AMOLED AMOLED, 120Hz, 1300 nits
Resolution
2280x1080px, 402 PPI 2412x1084px, 20:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 660 SDM660 (14 nm) MediaTek Dimensity 7200 Pro (4 nm)
Processor
Octa-core
2200 MHz
Kryo 260
Octa-core
2x2.8GHz CortexA715
6x2.0G​Hz CortexA510
GPU
Adreno 512 Mali-G610 MC4
Memory
6GB (LPDDR4)/128GB 8GB/128GB
8GB/256GB
12GB/256GB
Storage expansion
microSDXC up to 256 GB
OS
Android (8.1 Oreo) Android (14)

Battery

Type
3200 mAh, Li - Ion 5000 mAh
Charging
Fast charging
Charge speed
Wired: 45.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 25min
Browsing
13h 33min
Video
10h 5min
Gaming
8h 47min

Camera

Rear
Dual camera Dual camera
Main camera
12 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.8"
Pixel size: 1.28 μm
50 MP (OIS, PDAF)
Aperture size: F1.9
Sensor size: 1/1.56"
Second camera
5 MP (Depth information)
Aperture size: F2.4
50 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/2.76"
Flash
LED LED
Video recording
1080p (30 fps)
Time-lapse video, Video calling, Video sharing
4K UHD (30 fps), 1080p (120 fps)
Front
12 MP
Video capture: 1080p
32 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
124
Overall
129
Photo
119
Video

Connectivity & Features

Bluetooth
5.0 5.3
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,Wi-Fi 6
Multiple antennas, MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
microUSB, USB 2.0 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G Bands
n1, n3, n5, n7, n8, n20, n28, n38, n39, n40, n41, n66, n77, n78
4G (FDD) Bands
1, 3, 5 1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
40, 41 38, 39, 40, 41, 42
3G Bands
5, 8, 1 1, 4, 5, 6, 8, 19
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM

Regulatory Approval

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

Alternative variants

With 256GB internal storage
Memory 256GB
With 12GB RAM and 256GB internal storage
Memory 12GB/256GB
FCC OKs Cingular\'s purchase of AT&T Wireless