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OPPO A6x vs Vivo Y21

What A6x does better (1) and where Y21 wins (4) — every spec side by side.

OPPO A6x
OPPO · 2026A6x
7.4Score
1 advantage
vs
Vivo Y21
Vivo · 2026Y21
7.5Score
4 advantages≈ $190
Higher score
6.4Display6.6
4.1Camera4.1
8.9Battery8.4
6.2Features6.8
Dimensions

Size comparison

A6xY21
78.5 × 166.68.677.1 × 167.48.4
A6xY21Difference
Height166.6 mm167.4 mm−0.8 mm
Width78.5 mm77.1 mm+1.4 mm
Thickness8.6 mm8.4 mm+0.2 mm
Weight212 g209 g+3 g

Drawn to the same scale from the official dimensions (front and side).

Why is A6x better than Y21?

  1. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%

Why is Y21 better than A6x?

  1. Stereo speakersNo · A6x: Yes
  2. Water resistance (IPx)IPx4 vs IPx5+25%
  3. Peak brightness1,125 nits vs 1,200 nits+7%
  4. Thickness8.6 mm vs 8.4 mm+2%
Specifications

Side by side

Vivo Y21Vivo Y21≈ $1907.5
Design
Weight212 g209 g
Thickness8.6 mm8.4 mm
Height166.6 mm167.4 mm
Width78.5 mm77.1 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP65
Water resistance (IPx)IPx4IPx5
ColoursPlum Purple, Violet PurpleChampagne Gold, Midnight Blue
Display
Screen size6.8″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,570 px1,600 px
Pixel density256 ppi260 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,125 nits1,200 nits
Screen-to-body ratio85.2%85%
Performance
ChipsetMediatek Dimensity 6300Mediatek Dimensity 6300
Chip makerMediaTekMediaTek
Process6 nm6 nm
CPU cores88
CPU frequency2.4 GHz2.4 GHz
GPUMali-G57 MC2Mali-G57 MC2
Memory
RAM8 GB8 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP5 MP
4K selfie videoNoNo
Battery
Battery capacity6,500 mAh6,500 mAh
Battery type—Li-Ion
Wired charging—44 W
Charged in 30 min—42%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth5.4—
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 15Android 16
PlatformAndroidAndroid
InterfaceColorOS 15OriginOS 6
EU label
Energy class—A
Battery charge cycles—1,600
Endurance per cycle—67 h
Repairability class—C
Drop resistance class—A
To compare: 0up to 4 models
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