Realme 15T vs Vivo T3 Ultra – Price, Specs & Features

Q: Which phone has better performance, the Realme 15T or the Vivo T3 Ultra?

In this performance comparison, the Vivo T3 Ultra with its Dimensity 9200+ (4nm) performs better than the Realme 15T with the Dimensity 6400 (6nm), thanks to superior chipset efficiency.

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Realme 15T

Dimensity 6400
6 nm
7000 mAh
60W
6.57"
1080 x 2372 pixels
50 MP
1080p@30/60
Specs

Vivo T3 Ultra

Dimensity 9200+
4 nm
5500 mAh
80W
6.78"
1260 x 2800 pixels
50 MP
4K@30/60fps
Specs

Vivo T3 Ultra

General

Launch Date

September 02, 2025

September 12, 2024

Availability

Available Now

Operating System (OS)

Android 15

Android 14

Custom UI

Realme UI 6.0

Funtouch 14

OS Updates

3 Years (until Android 18)

2 Years (until Android 16)

Security Updates

4 Years (until 2029)

3 Years (until 2027)

AI Features

AI Edit Genie, Circle to Search, AI Smart Loop and more

AI Erase, AI Photo Enhance

Body

Dimensions

158.4 x 75.2 x 7.8 mm

164.2 x 74.9 x 7.6 mm

Thickness

7.8 mm

7.6 mm

Weight

181 g

192 g

Build Details

Plastic Frame, Plastic Back

Mineral Glass

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), also IP68 rated)

IP68 (up to 1.5m for 30 min)

Display

Size

6.57 inches

6.78 inches

Type

AMOLED, 1B colors

AMOLED, HDR10

Refresh Rate

120 Hz

Peak Brightness

4000 nits

4500 nits

Resolution

1080 x 2372 pixels

1260 x 2800 pixels

Pixel Density

401 ppi

453 ppi

Aspect Ratio

19.8:9

20:9

Screen to Body Ratio

86.4 %

90.2 %

Performance

Chipset¹

Mediatek Dimensity 6400 Max

Mediatek Dimensity 9200+

Process Size

6 nm

4 nm

CPU

Octa-core
2x2.5 GHz Cortex-A76
6x2.0 GHz Cortex-A55

Octa-core
1x3.35 GHz Cortex-X3
3x3.0 GHz Cortex-A715
4x2.0 GHz Cortex-A510

GPU

Mali-G57 MC2

Immortalis-G715 MC11

RAM & Storage

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.8, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4

50 MP
f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS

8 MP
f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm

OIS

Yes

Features

LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

Video Recording

1080p@30/60
gyro-EIS

4K@30/60fps
1080p@30fps

Video Recording Features

gyro-EIS, OIS

Selfie Camera

50 MP
f/2.4, OmniVision OV50D40

50 MP
f/2.0, 21mm (wide), 1/2.76", 0.64µm, AF

Selfie Features

HDR

Selfie Video Recording

1080p@30fps

4K@30/60fps
1080p@30fps

Connectivity

SIM

Dual SIM (Nano + Nano (Hybrid))

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

5G Support

Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, n78

Yes

8 5G bands
n1, n3, n5, n8, n28, n40, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 7

Wi-Fi Details

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

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

Bluetooth

5.3

NFC

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

5500 mAh

Type

Si/C Li-Ion

Li-Ion

Removable

Wired charging

60W

80W

Charging Speed

50% in 31 mins

100% in 56 min

Reverse Wired Charging

10W

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

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

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Colors and Pricing

Colors

Silk Blue, Suit Titanium, Flowing Silver

Lunar Gray, Frost Green

Price in India

₹20999

₹30990

FAQs

Which phone has better performance?

In this performance comparison, the Vivo T3 Ultra with its Mediatek Dimensity 9200+ (4nm) performs better than the Realme 15T with the Mediatek Dimensity 6400 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Realme 15T launched with Android 15 and will receive updates until Android 18, whereas Vivo T3 Ultra launched with Android 14 and will get Android 16. Realme 15T will get security updates until 2029 (approx. 4 years), while Vivo T3 Ultra is supported till 2027.

Which phone has a better display?

Both Realme 15T and Vivo T3 Ultra feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Vivo T3 Ultra also boasts a brighter screen with 4500 nits of peak brightness, enhancing outdoor visibility. Notably, Vivo T3 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme 15T comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Vivo T3 Ultra also supports faster wired charging at 80W, compared to 60W on Realme 15T.

Which phone has better water and dust resistance?

Realme 15T offers better protection against water and dust with an IP69 rating.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.