Oppo K13x vs Samsung Galaxy M21

Should you buy Oppo k13x or Samsung Galaxy M21? Find out which mobile phone is best for you - compare the two models on the basis of price a...nd key specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

SpecificationsOppo k13xSamsung Galaxy M21
Price12980.014775.0
Operating SystemAndroid v15Android v10 (Q)
Camera50 MP + 2 MP And 8 MP48 MP + 8 MP + 5 MP And 20 MP
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₹12,980
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₹14,775
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Key Specs

Battery

- 6000 mAh

Display

- 6.4 inches (16.26 cm)

Front Camera

- 20 MP

Processor

- Samsung Exynos 9 Octa 9611

RAM

- 4 GB

Rear Camera

- 48 MP + 8 MP + 5 MP

Audio

Audio Jack

3. 5 mm -

Loudspeaker

Yes -

Battery

Capacity

6000 mAh 6000 mAh

Quick Charging

Yes, 45W Fast charging Yes, Fast, 15W

Removable

No No

Type

Li-ion Li-ion

USB Type-C

- Yes

Camera

Flash

Yes, LED -

Front Camera

8 MP -

Rear Camera

50 MP + 2 MP -

Video Recording

1080p @ 60 fps FHD, 720p @ 30 fps HD -

Design

Build Material

- Back: Plastic

Colours

Midnight Violet, Sunset Peach Midnight Blue, Raven Black

Height

- 159 mm

Ruggedness

Dust Proof -

Thickness

- 8.9 mm

Water Resistance

1.18 m upto 1.05 min -

Weight

194 gram 188 grams

Width

- 75.1 mm
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Dimensions

Dimensions

76.2 x 165.7 x 7.9 mm -

Height

165.7 mm -

Thickness

7.9 mm -

Width

76.2 mm -

Display

Aspect Ratio

20:9 19.5:9

Bezel-less display

- Yes with waterdrop notch

Brightness

850 nits 420 nits

Display Type

LCD Screen Super AMOLED

Pixel Density

264 PPI 403 ppi

Refresh Rate

120 Hz -

Resolution

720 x 1604 pixels 1080x2340 px (FHD+)

Screen Protection

- Corning Gorilla Glass v3

Screen Size

6.67 inches 6.4 inches (16.26 cm)

Screen to Body Ratio (calculated)

- 84.02 %

Screen to Body Ratio (claimed by the brand)

84.9% 91 %

Touch Screen

- Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus

- No

Camera Setup

- Single

Flash

- No

Resolution

- 20 MP f/2.2, Primary Camera(26 mm focal length)

Sensor

- CMOS

Video Recording

- 1920x1080 @ 30 fps

General

Brand

Oppo Samsung

Custom UI

ColorOS 15 Samsung One UI

Launch Date

June 23, 2025 March 18, 2020

Model

K13x -

Operating System

Android v15 Android v10 (Q)

Main Camera

Autofocus

- Yes, Phase Detection autofocus

Camera Features

- 4 x Digital Zoom Auto Flash Face detection Touch to focus

Camera Setup

- Triple

Flash

- Yes, LED Flash

Image Resolution

- 8000 x 6000 Pixels

OIS

- No

Resolution

- 48 MP f/2.0, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length, 4.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera

Sensor

- CMOS image sensor

Settings

- Exposure compensation, ISO control

Shooting Modes

- Continuous Shooting High Dynamic Range mode (HDR)

Video Recording

- 3840x2160 @ 30 fps 1920x1080 @ 30 fps

Multimedia

Audio Features

- Dolby Atmos

Audio Jack

- 3.5 mm

Loudspeaker

- Yes

Network & Connectivity

Bluetooth

Yes, v5.4 Yes, v5.0

GPS

Yes, with BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1 Yes with A-GPS, Glonass

NFC

- No

Network Support

4G.5G 5G Not Supported in India, 4G Supported in India, 3G, 2G

SAR Value

- Head: 0.468 W/kg

SIM 1

5G Bands: n1/n3/n5/n8/n28B/n40/n41/n77/n78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available

SIM 2

5G Bands: n1/n3/n5/n8/n28B/n40/n41/n77/n78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available

SIM Size

Nano+Nano SIM SIM1: Nano, SIM2: Nano

SIM Slot(s)

Dual Sim, GSM+GSM (Hybrid Slot) Dual SIM, GSM+GSM

USB Connectivity

- Mass storage device, USB charging

VoLTE

Yes Yes

Wi-Fi

Yes, with wifi-hotspot Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

Wi-Fi Features

- Wi-Fi Direct, Mobile Hotspot

Performance

Architecture

- 64 bit

CPU

- Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Chipset

- Samsung Exynos 9 Octa 9611

Fabrication

- 10 nm

Graphics

- Mali-G72 MP3

Processor

Mediatek Dimensity 6300 -

RAM

4 GB /6 GB / 8GB 4 GB

RAM Type

LPDDR4X LPDDR4X

RAM type

- LPDDR4X

Sensors

Fingerprint Sensor

Yes, Side Yes

Fingerprint Sensor Position

- Rear

Other Sensors

Accelerometer, Gyro, Proximity, Compass Light sensor, Proximity sensor, Accelerometer, Gyroscope

Storage

Expandable Memory

up to 1TB Yes, Up to 512 GB

Internal Memory

128 GB 64 GB

Storage Type

UFS 2.2 UFS 2.1

USB OTG

- Yes

User Available Storage

- Up to 49 GB

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Scoring parameters
How is the score calculated?

This is a relative score calculated on the basis of the following specifications:

  • score popup Performance
  • score popup Battery
  • score popup Camera
  • score popup Storage
  • score popup Display

Each Mobiles has been benchmarked against ~31,000 other phones to calculate the score.

For personalized scores based on your preference, you can visit Mobile Recommender to check scores of the recommended Mobiles for you.

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