Entry-level · 2018
vivo X21 UD
Our Take
CPU benches near recent entry-level phones like the Samsung Galaxy A04s
A basic entry-level phone with an AMOLED screen — but a smaller battery and slow 18W charging show its age.
Best for
Streaming · reading · social
Strength
AMOLED screen
Watch out
Smaller battery (3200mAh), 18W charging (slow)
Skip if
Heavy gaming or multitasking
Full specifications
Display
6.28″ · Super AMOLED · 1080 × 2280 · 60 Hz · HDR
OLED display
Display
6.28″ · Super AMOLED · 1080 × 2280 · 60 Hz · HDR
OLED display
Performance
Qualcomm SDM660 Snapdragon 660 (14 nm) · 8-core 2.2 GHz · Adreno 512
Basic CPU
Performance
Qualcomm SDM660 Snapdragon 660 (14 nm) · 8-core 2.2 GHz · Adreno 512
Basic CPU
Camera
12 MP f/1.8 main · 12 MP selfie
Camera
12 MP f/1.8 main · 12 MP selfieA standard camera setup — sharp in daylight, expect noise in low light.
Main camera
12 MP f/1.8
Front camera
12 MP f/2.0
Main sensor
Samsung S5K2L9, 1/2.55", 1.4µm
Slow motion
Yes, 120 fps
Video
1080p @ 30 fps
Battery
3200 mAh · 18 W wired
Plan to charge daily
Battery
3200 mAh · 18 W wired
Plan to charge daily
Connectivity
4G LTE · Wi-Fi 5
Connectivity
4G LTE · Wi-Fi 5
Build & Design
2 g · 7.4 mm
Build & Design
2 g · 7.4 mmHeight
154.5 mm
Width
74.8 mm
Thickness
7.4 mm
Weight
2 g
Sensors
Fingerprint (under display, optical) · accelerometer · proximity · compass
Sensors
Fingerprint (under display, optical) · accelerometer · proximity · compassSensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Specifications sourced from GSMArena
How it stacks up against the rest.
Quick reads against a few phones in the same price tier. Tap any one for the deep comparison.
vs
Apple iPhone XS
Trades blows
2 wins
3 losses
Better display tech
Super AMOLED vs OLED panel · 6.28″ vs 5.8″ screen · Tradeoff: 1080 × 2280 vs 1125 × 2436 resolution
20% larger battery capacity
3,200 mAh vs 2,658 mAh battery
Lower benchmark score
144k vs 691k AnTuTu · Entry-level vs Mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video
No NFC
No NFC vs NFC
vs
Samsung Galaxy S9
Loses on most
1 win
4 losses
Starts with more storage
128 GB vs 64 GB baseline
Lower benchmark score
144k vs 416k AnTuTu · Entry-level vs Lower mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video
No NFC
No NFC vs NFC
Less protected
None vs IP68 protection
Where to buy
We don't have any listings for this phone yet. Try searching on Konga or Jiji.
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How each one compares to the vivo X21 UD.
