Oppo K13x vs vivo T4 Ultra – Price, Specs & Features

Q: Which phone has better performance, the Oppo K13x or the vivo T4 Ultra?

In this comparison, the vivo T4 Ultra with the Dimensity 9300+ (4 nm) performs better than the Oppo K13x with the Dimensity 6300 (6 nm), thanks to its more efficient chipset.

Oppo K13x alternatives

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vivo T4 Ultra alternatives

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Oppo K13x

Dimensity 6300
6 nm
6000 mAh
45W
6.67"
720 x 1604 pixels
50 MP
1080p@30/60fps
Specs

vivo T4 Ultra

Dimensity 9300+
4 nm
5500 mAh
90W
6.67"
1260 x 2800 pixels
50 MP
4K@30fps
Specs

vivo T4 Ultra

General

Launch Date

June 23, 2025

June 11, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

Funtouch 15

OS Updates

2 Years

3 Years

Security Updates

3 Years

4 Years

AI Features

Google Gemini, AI Writer, AI Summary, Screen Translator, AI Eraser, AI Motion, AI Portrait and More

Circle to Search, AI Eraser, AI Note Assist, AI Transcript Assist, and AI Call Translation

Body

Dimensions

165.7 x 76.2 x 7.9 mm

160.6 x 75 x 7.5 mm

Thickness

7.9 mm

7.5 mm

Weight

194 g

192 g

Build Details

Mineral Glass

IP Rating

IP65 (dust tight and water resistant (low pressure water jets), MIL-STD-810H compliant*)

IP64 (dust tight and water resistant (water splashes))

Display

Size

6.67 inches

Type

IPS LCD

AMOLED, 1B colors

Refresh Rate

120 Hz

Peak Brightness

1000 nits

5000 nits

Resolution

720 x 1604 pixels

1260 x 2800 pixels

Pixel Density

264 ppi

460 ppi

Aspect Ratio

20:9

Screen to Body Ratio

85.2 %

89.2 %

Protection

Gorilla Glass 7i

Performance

Chipset

Mediatek Dimensity 6300

Mediatek Dimensity 9300+

Process Size

6 nm

4 nm

CPU

Octa-core
2x2.4 GHz Cortex-A76
6x2.0 GHz Cortex-A55

Octa-core
1x3.4 GHz Cortex-X4
3x2.85 GHz Cortex-X4
4x2.0 GHz Cortex-A720

GPU

Mali-G57 MC2

Immortalis-G720 MC12

RAM & Storage

4GB 128GB (UFS 2.2)
6GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)

RAM Type

LPDDR4X

LPDDR5

Expandable Memory

Yes

Camera

Main Camera

50 MP
OmniVision OV50D, f/1.8, (wide), PDAF

2 MP,
f/2.4, (Mono)

50 MP
Sony IMX921, f/1.9, 23mm (wide), 1/1.56", PDAF, OIS

50 MP
Sony IMX882, f/2.6, 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF (15cm - ∞), OIS, 3x optical zoom

8 MP
GalaxyCore GC08A8, f/2.2, (ultrawide)

OIS

Yes

Features

LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

Video Recording

1080p@30/60fps

4K@30fps
1080p

Video Recording Features

gyro-EIS

Selfie Camera

8 MP
GalaxyCore GC08A8, f/2.0, (wide)

32 MP
GalaxyCore GC32E1, f/2.45, (wide)

Selfie Video Recording

1080p@30fps

4K@30fps

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

13 5G Bands

FDD: N1, N3, N5, N7, N8, N26, N28
TDD: N38, N40, N41, N66, N77, N78

SIM 2

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

14 5G Bands

FDD: N1, N3, N5, N7, N8, N26, N28
TDD: N38, N40, N41, N48, N66, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 6

Wi-Fi Details

802.11 a/b/g/n/ac 5GHz

802.11 a/b/g/n/ac/ax 5GHz

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

6000 mAh

5500 mAh

Type

Li-Po

Si/C Li-Ion

Removable

Wired charging

45W

90W

Charging Speed

50% in 37 min

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Extra Features

Sensors

Side-mounted fingerprint sensor, accelerometer, proximity, compass

Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass

Colors and Pricing

Colors

Midnight Violet, Sunset Peach

Phoenix Gold, Meteor Grey

Price in India

₹11999

₹37999

FAQs

Which phone has better performance?

In this comparison, the vivo T4 Ultra with the Mediatek Dimensity 9300+ (4nm) performs better than the Oppo K13x with the Mediatek Dimensity 6300 (6nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The vivo T4 Ultra offers 3 years of OS updates, while the Oppo K13x provides 2 years. When it comes to security updates, vivo T4 Ultra leads with 4 years of support.

Which phone has a better display?

vivo T4 Ultra has a superior AMOLED display, while Oppo K13x uses an LCD panel. They have the same 120 Hz refresh rate. vivo T4 Ultra also has a brighter display with 5000 nits, improving outdoor visibility. Notably, vivo T4 Ultra has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Oppo K13x has a larger 6000 mAh battery for longer usage. vivo T4 Ultra supports faster wired charging at 90W.

Which phone has better water and dust resistance?

Oppo K13x offers better water and dust resistance with an IP65 rating.