BeastCompare

vivo V21s vs Xiaomi Poco C81x: Which One Should You Buy?

Xiaomi Poco C81x edges ahead with a BeastScore of 80.0/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Vivo · 2022

vivo V21s

vivo V21s
80/ 100
Launch pricePrice on request
Xiaomi

Xiaomi Poco C81x

Xiaomi Poco C81x
80/ 100
Launch pricePrice on request
Head-to-head

Xiaomi Poco C81x wins 2 of 5 categories

Here's exactly where each phone is stronger.

vivo V21s
vivo V21s
1 win
Xiaomi Poco C81x
Xiaomi Poco C81x
2 wins
At a glance

Bigger shape = better phone.

SpeedCameraBatteryDisplayValue
vivo V21sXiaomi Poco C81x
Category winners

Scores out of 100. How we score

  • Speedvivo V21s
    79
    70
  • CameraTie
    80
    80
  • VideoNot enough data
  • SelfieNot enough data
  • BatteryXiaomi Poco C81x
    75
    86
  • DisplayXiaomi Poco C81x
    84
    89
  • ConnectivityNot enough data
  • SecurityNot enough data
  • ValueTie
    85
    85
Key differences
  • Xiaomi Poco C81x has the bigger battery5,200 mAh vs 4,000 mAh
  • Xiaomi Poco C81x has the bigger screen6.88" vs 6.44"
  • vivo V21s has more RAM8 GB vs 3 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy vivo V21s
  • ✓6.44" display at 120 Hz
Reasons to buy Xiaomi Poco C81x
  • ✓Bigger 5,200 mAh battery (+1,200 mAh)
  • ✓6.88" display at 120 Hz

Full specifications

Swipe ⇄
Specificationvivo V21sXiaomi Poco C81x
1. Display & Screen🏆 Xiaomi Poco C81x Wins Display
Screen typeAMOLED, 90Hz, HDR10+, 500 nits (typ), 800 nits (HBM)AMOLED
Screen Size6.44"6.88"
Resolution & DensityFHD+ / LTPO AMOLED FHD+ / LTPO AMOLED
Refresh Rate120 Hz120 Hz
BrightnessN/AN/A
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 vivo V21s Wins Performance
Chipset / ProcessorDimensity 800U Unisoc T7250
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemAndroid 12Android
3. Memory & Storage
RAM Memory8 GB LPDDR3 GB LPDDR
Internal Storage128 GB64 GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Cameraundefined MP, Triple Camera Systemundefined MP, Triple Camera System
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lensundefined MPundefined MP
7. Body & Dimensions
Dimensions159.7 x 73.9 x 7.3 mmN/A
Weight176 gN/A
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedNot listed
8. Battery & Charging🏆 Xiaomi Poco C81x Wins Battery
Battery Capacity4,000 mAh5,200 mAh
Wired Fast ChargingFast chargingFast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardNot listedNot listed
Bluetooth5.1, A2DP, LENot listed
USB Port & SpeedUSB Type-C 2.0, OTGNot listed
NFCYesYes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch PricePrice on requestPrice on request
Our verdict

Xiaomi Poco C81x wins — BeastScore 80.0/100

The Xiaomi Poco C81x is the better pick for most people thanks to its bigger battery (5,200 mAh vs 4,000 mAh) and bigger screen (6.88" vs 6.44"). The vivo V21s is worth a look if you prefer its more RAM (8 GB vs 3 GB).

Buy vivo V21s if you want

More RAM: 8 GB vs 3 GB

Buy Xiaomi Poco C81x if you want

Larger battery: 5,200 mAh vs 4,000 mAh

Common questions

Which is better: vivo V21s or Xiaomi Poco C81x?

The Xiaomi Poco C81x is the better pick for most people thanks to its bigger battery (5,200 mAh vs 4,000 mAh) and bigger screen (6.88" vs 6.44"). The vivo V21s is worth a look if you prefer its more RAM (8 GB vs 3 GB). BeastScore: vivo V21s 79.8/100, Xiaomi Poco C81x 80.0/100.

What are the main battery and display differences between vivo V21s and Xiaomi Poco C81x?

vivo V21s has a 6.44-inch display and 4000 mAh battery. Xiaomi Poco C81x has a 6.88-inch display and 5200 mAh battery.

How do vivo V21s and Xiaomi Poco C81x compare for speed?

vivo V21s scores 79/100 for performance; Xiaomi Poco C81x scores 70/100.

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