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OPPO K13 vs Vivo Y400 4G

What K13 does better (9) and where Y400 4G wins (6) — every spec side by side.

OPPO K13
OPPO · 2025K13
8.4Score
9 advantages≈ $210
Higher score
vs
Vivo Y400 4G
Vivo · 2025Y400 4G
8.2Score
6 advantages≈ $220
8.0Display8.4
6.1Camera4.6
9.2Battery8.2
6.6Features8.3
Dimensions

Size comparison

K13Y400 4G
76.1 × 163.28.575.3 × 162.37.9
K13Y400 4GDifference
Height163.2 mm162.3 mm+0.9 mm
Width76.1 mm75.3 mm+0.8 mm
Thickness8.5 mm7.9 mm+0.6 mm
Weight208 g196 g+12 g

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

Why is K13 better than Y400 4G?

  1. Wired charging80 W vs 44 W+82%
  2. RAM12 GB vs 8 GB+50%
  3. Storage (max)512 GB vs 256 GB2×
  4. Battery capacity7,000 mAh vs 6,000 mAh+17%
  5. Max video4K vs 1080p
  6. Selfie camera16 MP vs 8 MP2×
  7. Process4 nm vs 6 nm+50%
  8. Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
  9. Bluetooth5.2 vs 5+4%

Why is Y400 4G better than K13?

  1. Water resistance (IPx)IPx5 vs IPx8+60%
  2. Peak brightness1,200 nits vs 1,800 nits+50%
  3. CPU frequency2.3 GHz vs 2.8 GHz+22%
  4. Weight208 g vs 196 g+6%
  5. Thickness8.5 mm vs 7.9 mm+8%
  6. Main camera aperturef/1.9 vs f/1.8+6%
Specifications

Side by side

OPPO K13OPPO K13≈ $2108.4
Vivo Y400 4GVivo Y400 4G≈ $2208.2
Design
Weight208 g196 g
Thickness8.5 mm7.9 mm
Height163.2 mm162.3 mm
Width76.1 mm75.3 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP65IP68
Water resistance (IPx)IPx5IPx8
ColoursIcy Purple, Prism Black, WhitePurple Twilight, Tropical Green (Dynamic Green), Pearl White
Display
Screen size6.7″6.7″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,400 px
Pixel density395 ppi395 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits1,800 nits
Screen-to-body ratio86.5%87.9%
Performance
ChipsetQualcomm Snapdragon 6 Gen 4Qualcomm SM6225 Snapdragon 685
Chip makerQualcommQualcomm
Process4 nm6 nm
CPU cores88
CPU frequency2.3 GHz2.8 GHz
GPUAdreno 810Adreno 610
AnTuTu score903,972—
Geekbench 6 (multi-core)2,977—
Memory
RAM12 GB8 GB
Storage (max)512 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 3.1UFS 2.2
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.9f/1.8
Main sensor size1/2.88"1/2.96"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video4K1080p
4K video frame rate30 fps—
Selfie camera16 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh6,000 mAh
Battery typeSi/CSi/C
Wired charging80 W44 W
Charged in 30 min62%—
Wireless chargingNoNo
Connectivity
5GYes—
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.25
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared portYes—
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceColorOS 15Funtouch 15
Major OS updates promised2—
To compare: 0up to 4 models
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