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OPPO K13x vs Realme C63

What K13x does better (10) and where C63 wins (2) — every spec side by side.

OPPO K13x
OPPO · 2025K13x
7.3Score
10 advantages≈ $130
Higher score
vs
Realme C63
Realme · 2024C63
6.0Score
2 advantages≈ $130
6.0Display4.9
4.6Camera4.6
8.2Battery6.8
6.6Features4.5
Dimensions

Size comparison

K13xC63
76.2 × 165.77.976.7 × 167.37.7
K13xC63Difference
Height165.7 mm167.3 mm−1.6 mm
Width76.2 mm76.7 mm−0.5 mm
Thickness7.9 mm7.7 mm+0.2 mm
Weight194 g189 g+5 g

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

Why is K13x better than C63?

  1. 5GYes · C63: No
  2. Battery capacity6,000 mAh vs 5,000 mAh+20%
  3. Refresh rate120 Hz vs 90 Hz+33%
  4. Peak brightness1,000 nits vs 560 nits+79%
  5. CPU frequency2.4 GHz vs 1.8 GHz+33%
  6. Water resistance (IPx)IPx5 vs IPx4+25%
  7. Process6 nm vs 12 nm2×
  8. Storage (base)128 GB vs 64 GB2×
  9. Rear cameras2 vs 12×
  10. Bluetooth5.4 vs 5+8%

Why is C63 better than K13x?

  1. Weight194 g vs 189 g+3%
  2. Thickness7.9 mm vs 7.7 mm+3%
Specifications

Side by side

OPPO K13xOPPO K13x≈ $1307.3
Realme C63Realme C63≈ $1306.0
Design
Weight194 g189 g
Thickness7.9 mm7.7 mm
Height165.7 mm167.3 mm
Width76.2 mm76.7 mm
Frame—Plastic
Back—Silicone polymer
Ingress protectionIP65IP54
Water resistance (IPx)IPx5IPx4
Glass protectionCorning Gorilla Glass 7i (Oppo A5i Pro only)—
ColoursSunset Peach, Midnight Violet (Midnight Purple), Breeze BlueLeather Blue, Jade Green
Display
Screen size6.7″6.8″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,604 px1,600 px
Pixel density264 ppi260 ppi
Refresh rate120 Hz90 Hz
Peak brightness1,000 nits560 nits
Screen-to-body ratio84.9%85.7%
Performance
ChipsetMediatek Dimensity 6300Unisoc Tiger T612
Chip makerMediaTekUnisoc
Process6 nm12 nm
CPU cores88
CPU frequency2.4 GHz1.8 GHz
GPUMali-G57 MC2Mali-G57
Memory
RAM8 GB8 GB
Storage (max)256 GB256 GB
Storage (base)128 GB64 GB
Storage typeUFS 2.2—
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/2.88"1/2.5"
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity6,000 mAh5,000 mAh
Wired charging45 W45 W
Charged in 30 min41%—
Wireless chargingNoNo
Connectivity
5GYesNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.45
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)1.18 W/kg—
Software
OS at launchAndroid 15Android 14
PlatformAndroidAndroid
InterfaceColorOS 15realme UI
To compare: 0up to 4 models
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