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OPPO K14 vs Vivo Y21

What K14 does better (5) and where Y21 wins (5) — every spec side by side.

OPPO K14
OPPO · 2026K14
7.6Score
5 advantages≈ $180
Higher score
vs
Vivo Y21
Vivo · 2026Y21
7.5Score
5 advantages≈ $190
6.4Display6.6
4.6Camera4.1
8.8Battery8.4
6.7Features6.8
Dimensions

Size comparison

K14Y21
78.5 × 166.68.677.1 × 167.48.4
K14Y21Difference
Height166.6 mm167.4 mm−0.8 mm
Width78.5 mm77.1 mm+1.4 mm
Thickness8.6 mm8.4 mm+0.2 mm
Weight216 g209 g+7 g

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

Why is K14 better than Y21?

  1. Battery capacity7,000 mAh vs 6,500 mAh+8%
  2. Water resistance (IPx)IPx8 vs IPx5+60%
  3. Wired charging45 W vs 44 W+2%
  4. Selfie camera8 MP vs 5 MP+60%
  5. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%

Why is Y21 better than K14?

  1. NFCNo · K14: Yes
  2. Peak brightness1,125 nits vs 1,200 nits+7%
  3. Weight216 g vs 209 g+3%
  4. Charged in 30 min37% vs 42%+14%
  5. Thickness8.6 mm vs 8.4 mm+2%
Specifications

Side by side

OPPO K14OPPO K14≈ $1807.6
Vivo Y21Vivo Y21≈ $1907.5
Design
Weight216 g209 g
Thickness8.6 mm8.4 mm
Height166.6 mm167.4 mm
Width78.5 mm77.1 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP68IP65
Water resistance (IPx)IPx8IPx5
ColoursPrism Violet, Prism White, Icy BlueChampagne 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 camera8 MP5 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh6,500 mAh
Battery typeSi/CLi-Ion
Wired charging45 W44 W
Charged in 30 min37%42%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth5.4—
NFCNoYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)1.14 W/kg—
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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