BAJAJ FINSERV DIRECT LIMITED
✓ 1 Mn+ products on EMI ✓ Loan limit of up to ₹3 Lakhs | Get the EMI Card today!

OPPO K12x vs Vivo T3x: Which One Should You Choose

Compare OPPO K12x and Vivo T3x across battery life, camera output, and overall performance to make an informed choice.

The OPPO K12x and Vivo T3x serve as affordable 5G smartphones offering large batteries, reliable performance, and user-friendly software. OPPO emphasises durability, fast charging, and splash resistance, while Vivo delivers a polished display, clean UI, and efficient power management. This comparison explores design, technical specifications, features, and pricing to help you make an informed choice.

Key Specifications

Here is a detailed comparison based on official specifications:

Specification OPPO K12x Vivo T3x 5G

Launch Date

July 29, 2024

April 17, 2024

Display

6.67‑inch HD+ LCD, 120 Hz

6.58‑inch FHD+ LCD, 120 Hz

Processor

MediaTek Dimensity 6300 (6 nm)

MediaTek Dimensity 6080+ (6 nm)

RAM & Storage

6 GB / 8 GB RAM; 128 GB / 256 GB UFS 2.2

4 GB / 6 GB (+ 8 GB Extended); 128 GB

Rear Camera

50 MP main + 2 MP depth

50 MP main sensor

Front Camera

8 MP

8 MP

Battery & Charging

5,100 mAh; 45 W SUPERVOOC

5,000 mAh; 18 W charging

Operating System

Android 14 with ColorOS 14

Android 14 with Funtouch OS 14

5G Support

Yes

Yes

Fingerprint Sensor

In-display

Side-mounted

Disclaimer: The specifications mentioned above are based on the information available on the official website. Features may vary depending on model, configuration, and region. For the latest and most accurate details, please visit the official website or consult authorised retailers.

Design and Build

Here's a detailed comparison between the design and build of the two models:

Feature OPPO K12x Vivo T3x

Build

Rugged, splash-resistant design

Slim and lightweight

Weight

~191 g

~188 g

Dimensions

~8.1 mm thickness

~7.9 mm thickness

Water/Dust Rating

Splash touch support

IP64 dust and water resistance

Frame

Plastic with armour finish

Plastic with smooth matte finish

Special Touch

Reinforced edges for grip

Rounded edges for comfort

Camera Comparison

The K12x delivers AI-powered portrait enhancements and robust low-light shots. The T3x focuses on natural image reproduction and balanced colour quality.

Feature OPPO K12x Vivo T3x 5G

Rear Camera

50 MP (AI) + 2 MP depth

50 MP main sensor

Front Camera

8 MP

8 MP

Rear Features

AI portrait, HDR, Night

Natural colour capture

Front Features

Face beauty, HDR

Soft light portrait

Video

1080p @ 30 fps (rear/front)

1080p @ 30 fps (rear/front)

Performance and Battery

Both devices use 6 nm Dimensity chipsets, ensuring smooth daily operation and moderate multitasking. The K12x offers faster charging, while the T3x keeps energy consumption low.

Feature OPPO K12x Vivo T3x

Processor

MediaTek Dimensity 6300 (6 nm)

MediaTek Dimensity 6080+ (6 nm)

RAM + Storage

Up to 8 GB + 256 GB

Up to 8 GB + 128 GB

Storage Type

UFS 2.2

UFS 2.2

Battery Capacity

5,100 mAh

5,000 mAh

Charging Speed

45 W SUPERVOOC

18 W fast charging

Charging Tech

Battery Health Engine

Smart Charging & Vivo Energy Guard

Software and Features

K12x enhances usability under harsh conditions, while T3x offers a clutter-free, efficient experience.

Feature OPPO K12x Vivo T3x

OS

ColorOS 14

Funtouch OS 14

UI Focus

Rugged tools, AI Boost

Clean UI, better customisation

Display Features

Splash-touch, 1000 nits brightness

Eye-care, adaptive colour tuning

Extra Modes

Armour mode, Dynamic island style

Game Mode, Smart Controls

Expansion & SIM

Dual SIM + microSD

Dual SIM + microSD

Connectivity

5G, Wi-Fi, Bluetooth, GPS

5G, Wi-Fi, Bluetooth, GPS

Price Comparison

Here’s how pricing in the market typically compares:

Variant OPPO K12x Vivo T3x

4 GB + 128 GB

₹12,499

6 GB + 128 GB

₹12,999

₹13,999

8 GB + 128 GB

₹15,499

8 GB + 256 GB

₹15,999

Disclaimer: Prices are approximate and may vary based on configuration, region, and special offers. Please check the official website for the most up-to-date pricing.

Verdict: Which One Should You Buy

Choose OPPO K12x if you prioritise a sturdy build, splash resistance, and quicker charging. It’s better suited for users who need a phone that can endure rough use and recharge quickly.

Choose Vivo T3x if you want a lighter phone with cleaner software, good everyday performance, and long-term battery care. It’s ideal for users who prefer simplicity and comfort over ruggedness.

Advantages of Shopping with Bajaj Finserv Insta EMI Card

Purchasing either phone can be simplified with the Bajaj Finserv Insta EMI Card:

  • Unlock access to a ₹3 Lakhs pre-approved credit line instantly

  • Purchase from over 1.5 Lakh trusted retailers, both online and in-store

  • Spread payments over up to 60 months for comfortable repayment

  • Enjoy easy monthly EMIs with quick approval and minimal documentation

FAQs

Does OPPO K12x support fast charging?

Yes, it supports 45 W SUPERVOOC fast charging, which significantly reduces charging time.

Yes, at around 185 g, it feels lighter and more ergonomic for prolonged use.

Funtouch OS 14 on Vivo T3x is cleaner and smoother. ColorOS 14 on K12x has extra features but slightly more bloat.

Yes, both models come with 5G support for future-proof connectivity.

OPPO K12x includes splash-touch resilience and durability testing, while Vivo T3x offers standard protection without an official IP rating.

View More
Home
Home
ONDC_BD_StealDeals
Steal Deals
Free CIBIL Score
CIBIL Score
Free Cibil
Explore
Explore
chatbot
Yara AI