Xiaomi 15T Pro vs vivo X300 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.6
Xiaomi 15T Pro
Xiaomi 15T Pro vivo X300 Ultra
Released · Sep 24, 2025
Released · Mar 30, 2026
6.8-inch · 2772x1280px
6.8-inch · 3168x1440px
Triple camera
Triple camera
12GB · 256GB
12GB · 256GB
5500 mAh
6600 mAh
Check Accessories Check Accessories

Availability

Officially announced
Sep 24, 2025 Mar 30, 2026
Prices (MSRP)
12GB/256GB - €799

Design

Dimensions
6.41 x 3.07 x 0.31 inches
162.7 x 77.9 x 8 mm
6.42 x 3.02 x 0.32 inches (~0.63 inches with camera bump)
162.98 x 76.81 x 8.19 mm (~15.96 mm with camera bump)
Weight
7.41 oz / 210.0 g 8.18 oz / 232.0 g
Materials
Frame: Aluminum Back: Glass
Frame: Aluminum
Resistance
Yes; IP68 Yes; IP69
Biometrics
Fingerprint (touch) Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gray, Mocha Gold Black, White, Soft Green

Display

Size
6.8-inch, 90.22% screen-to-body 6.8-inch, 90.04% screen-to-body
Type
AMOLED, 144Hz, HDR10+, 3200 nits AMOLED, 144Hz, HDR
Resolution
2772x1280px, 20:9 ratio, 447 PPI 3168x1440px, 19.8:9 ratio, 510 PPI
Protection
Corning Gorilla Glass 7i
PhoneArena Display Test
Bright Max (20% APL)
3192 (Excellent) 3300 (Excellent)
Bright Min
2.1 (Average) 0.81 (Excellent)

Hardware

System chip
Mediatek Dimensity 9400+ (3 nm) Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)
Processor
Octa-core
1x3.63GHz Cortex-X925
3x3.3​GHz Cortex-X4
4x2.4GH​z Cortex-A720
Octa-core
2x4.61GHz Oryon V3 Phoenix L
6x3.53GHz Oryon V3 Phoenix M
GPU
Immortalis-G925 Adreno 840
Memory
12GB/256GB (UFS 4.0)
12GB/512GB
12GB/1TB
12GB (LPDDR5X)/256GB (UFS 4.1)
12GB/512GB
16GB/512GB
16GB/1TB
Storage expansion
not expandable not expandable
OS
Android (15) Android (16)
PhoneArena Performance Test
GeekBench 6 Single
2538 3493
GeekBench 6 Multi
7629 10736
3D Mark High
5861 7380
3D Mark Low
3122 4277

Battery

Type
5500 mAh 6600 mAh, Si - Carbon
Charging
Qi wireless charging, Reverse wired charging
Charge speed
Wired: 90.0W
Wireless: 50.0W
Wired: 100.0W
Wireless: 40.0W
PhoneArena Battery Tests
Battery Life Estimate
9h 37min
Browsing
24h 49min
Video
12h 52min
Gaming
12h 9min
Battery Life Estimate
8h 28min
Browsing
20h 19min
Video
11h 54min
Gaming
11h 30min

Camera

Rear
Triple camera Triple camera
Main camera
50 MP (OIS, PDAF)
Aperture size: F1.6
Focal length: 23 mm
Sensor size: 1/1.31"
Pixel size: 1.2 μm
200 MP (OIS, Laser autofocus, PDAF)
Sensor name: Sony LYT-901
Aperture size: F1.9
Focal length: 35 mm
Sensor size: 1/1.12″
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 15 mm
Sensor size: 1/3.06"
Pixel size: 1.12 μm
50 MP (Ultra-wide, OIS, PDAF)
Sensor name: Sony LYT-818
Aperture size: F2.0
Focal Length: 14 mm
Sensor size: 1/1.28"
Pixel size: 1.22 μm
Third camera
50 MP (Telephoto, PDAF)
Optical zoom: 5.0x
Aperture size: F3.0
Focal Length: 115 mm
200 MP (Telephoto, Periscope, OIS, PDAF)
Sensor name: Samsung ISOCELL HP0
Optical zoom: 3.7x
Aperture size: F2.7
Focal Length: 85 mm
Sensor size: 1/1.4"
Pixel size: 0.56 μm
Flash
LED LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps) 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps)
OIS, HDR
Front
32 MP 50 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
140
Overall
144
Photo
135
Video
N/A
Overall
N/A
Photo
N/A
Video

Connectivity & Features

Bluetooth
6.0 5.4
WLAN
Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC, Infrared NFC, Infrared

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA n1, n2, n3, n5, n7, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n70, n78, n79, n80
LTE Bands
1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66
TDD Bands
38, 40, 41, 42 34, 38, 39, 40, 41, 42, 43, 48
3G Bands
1, 2, 4, 5, 6, 8 1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM, eSIM Dual Nano SIM