vivo T4 Ultra vs Xiaomi 15 – Price, Specs & Features

Q: Which phone has better performance, the vivo T4 Ultra or the Xiaomi 15?

In this performance comparison, the Xiaomi 15 with its Snapdragon 8 Elite (3nm) performs better than the vivo T4 Ultra with the Dimensity 9300+ (4nm), thanks to superior chipset efficiency.

vivo T4 Ultra alternatives

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Xiaomi 15 alternatives

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vivo T4 Ultra

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

Xiaomi 15

Snapdragon 8 Elite
3 nm
5240 mAh
90W
6.36"
1200 x 2670 pixels
50 MP
8K@24/30fps
Specs

Xiaomi 15

General

Launch Date

June 11, 2025

March 11, 2025

Availability

Available Now

Android 15

Custom UI

Funtouch 15

HyperOS 2

OS Updates

3 Years

4 Years

Security Updates

4 Years

6 Years

AI Features

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

HyperAI, Circle to Search, AI Write, AI translate, AI Erase Pro, AI Summary and more

Body

Dimensions

160.6 x 75 x 7.5 mm

152.3 x 71.2 x 8.1 mm

Thickness

7.5 mm

8.1 mm

Weight

192 g

189 g

Build Details

Mineral Glass

Aluminum Alloy Frame

IP Rating

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

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.67 inches

6.36 inches

Type

AMOLED, 1B colors

LTPO AMOLED, 68B colors, Dolby Vision, HDR10+

Refresh Rate

120 Hz

Peak Brightness

5000 nits

3200 nits

Resolution

1260 x 2800 pixels

1200 x 2670 pixels

Pixel Density

460 ppi

Aspect Ratio

20:9

Screen to Body Ratio

89.2 %

90.0 %

Performance

Chipset¹

Mediatek Dimensity 9300+

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

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

Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Immortalis-G720 MC12

Adreno 830

RAM & Storage

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

12GB 512GB (UFS 4.0)

RAM Type

LPDDR5

LPDDR5X

Expandable Memory

Camera

Main Camera

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)

50 MP
f/1.6, 23mm (wide), 1/1.31", 1.2µm, OmniVision Light Fusion 900, dual pixel PDAF, OIS

50 MP
f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, S5KJN5, PDAF (10cm - ∞), OIS, 2.6x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN1

OIS

Yes

Features

Ring-LED flash, panorama, HDR

Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama

Video Recording

4K@30fps
1080p

8K@24/30fps
4K@24/30/60fps
1080p@30/60/120/240/960fps
720p@1920fps

Video Recording Features

gyro-EIS

Selfie Camera

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

32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40

Selfie Features

HDR, panorama

Selfie Video Recording

4K@30fps

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

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1

13 5G Bands

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

19 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N75, N77, N78

SIM 2

14 5G Bands

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

19 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N75, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi 7

Wi-Fi Details

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

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2 Gen2, Display Port, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

5240 mAh

Type

Si/C Li-Ion

Removable

Wired charging

90W

Wireless Charging

50W

Reverse Wireless Charging

10W

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

Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

Colors and Pricing

Colors

Phoenix Gold, Meteor Grey

Black, White and Green

Price in India

₹37999

₹64998

FAQs

Which phone has better performance?

In this performance comparison, the Xiaomi 15 with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the vivo T4 Ultra with the Mediatek Dimensity 9300+ (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Xiaomi 15 offers 4 years of OS updates, whereas vivo T4 Ultra provides 3 years. For security updates, Xiaomi 15 offers 6 years of support compared to vivo T4 Ultra's 4 years.

Which phone has a better display?

Both vivo T4 Ultra and Xiaomi 15 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. vivo T4 Ultra also boasts a brighter screen with 5000 nits of peak brightness, enhancing outdoor visibility. Notably, vivo T4 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

vivo T4 Ultra comes with a larger 5500 mAh battery, which may offer longer usage on a single charge. Both devices support the same wired charging speed of 90W. Xiaomi 15 supports wireless charging at 50W, while vivo T4 Ultra lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

Xiaomi 15 – Check price here

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