Xiaomi 15 Ultra vs Vivo X300
Short Description
Xiaomi 15 Ultra
Screen size: 6.73" / Resolution: 1440 x 3200 px / Main camera: 200 MP & 50 MP & 50 MP & 50 MP / Front camera: 32MP / RAM: 16GB / Battery power: 6000 mAh / Has 5G support: ✔ / Internal storage: 1000GB / SIM cards: 2 SIM
Vivo X300
Screen size: 6.31" / Resolution: 1216 x 2640 px / Main camera: 200 MP & 50 MP & 50 MP / Front camera: 50MP / RAM: 12GB, 16GB / Battery power: 6040 mAh / Has 5G support: ✔ / Internal storage: 256GB, 512GB, 1TB / SIM cards: 2 SIM
Key Differences
Xiaomi 15 Ultra
Vivo X300
How is Xiaomi 15 Ultra better than Vivo X300?
Faster CPU speed: 2 x 4.32 GHz & 6 x 3.53 GHz vs 1 x 4.21 GHz & 3 x 3.5 GHz & 4 x 2.7 GHz
Has a larger display diagonal: 6.73" vs 6.31"
Better display resolution: 1440 x 3200 px vs 1216 x 2640 px
Xiaomi 15 Ultra
Vivo X300
How is Vivo X300 better than Xiaomi 15 Ultra?
Bigger battery capacity: 6040 mAh vs 6000 mAh
AnTuTu score is about 27% higher
More internal storage in max option: 256GB, 512GB, 1TB vs 1000GB
More megapixels front camera: 50MP vs 32MP
Lighter: 190 g (6.7 ounces) vs 229 g (8.08 ounces)
Narrower: 71.9 mm (2.83 inches) vs 75.3 mm (2.96 inches)
Shorter: 150.6 mm (5.93 inches) vs 161.3 mm (6.35 inches)
More color options: Black, Blue, Red, Purple, Pink vs Black, White, Silver Chrome, Green
The phone is 7 months newer
Size Comparison
Xiaomi 15 Ultra
Vivo X300
Height
161.3 mm
(6.35 inches)
Width
75.3 mm
(2.96 inches)
Thickness
9.4 mm
(0.37 inches)
Screen size
6.73"
Weight
229 g
(8.08 ounces)
6.73"
6.31"
Height
150.6 mm
(5.93 inches)
Width
71.9 mm
(2.83 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.31"
Weight
190 g
(6.7 ounces)
Height
161.3 mm
(6.35 inches)
Width
75.3 mm
(2.96 inches)
Thickness
9.4 mm
(0.37 inches)
Screen size
6.73"
Weight
229 g
(8.08 ounces)
Height
150.6 mm
(5.93 inches)
Width
71.9 mm
(2.83 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.31"
Weight
190 g
(6.7 ounces)
Vote for Your option
Xiaomi 15 Ultra
Vote for Your option
Vivo X300
Benchmarks
AnTuTu Score
Xiaomi 15 Ultra
2,742,399
Vivo X300
3,481,236 +26.94%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
Xiaomi 15 Ultra
604,150
Vivo X300
998,047 +65.2%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Xiaomi 15 Ultra
1,162,963
Vivo X300
1,351,873 +16.24%
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
Xiaomi 15 Ultra
541,237 +42.04%
Vivo X300
381,044
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
Xiaomi 15 Ultra
434,049
Vivo X300
750,272 +72.85%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 6 · Multi-Core
Xiaomi 15 Ultra
10,059
Vivo X300
10,192 +1.32%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Xiaomi 15 Ultra
3,234
Vivo X300
3,460 +6.99%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Battery Performance
Xiaomi 15 Ultra
Vivo X300
Charging timeTechnical Specifications
Show differences
Show differences
Specs
Xiaomi 15 Ultra
Vivo X300
Design
Weight
229 g (8.08 ounces)
190 g (6.7 ounces)
Thickness
9.4 mm (0.37 inches)
8 mm (0.31 inches)
Width
75.3 mm (2.96 inches)
71.9 mm (2.83 inches)
Height
161.3 mm (6.35 inches)
150.6 mm (5.93 inches)
Ingress Protection (IP) rating
IP68
IP69
Waterproof depth rating
1.5 m
1.5 m
Volume
114.17 cm³
86.63 cm³
Is dustproof and water-resistant
Waterproof
-
Color options
Black, White, Silver Chrome, Green
Black, Blue, Red, Purple, Pink
Water resistance
-
Waterproof
Display
Screen size
6.73"
6.31"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
522 ppi
460 ppi
Resolution
1440 x 3200 px
1216 x 2640 px
Refresh rate
120Hz
120Hz
Touch sampling rate
300Hz
300Hz
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
-
✔
Supports Dolby Vision
✔
-
Contrast ratio
8000000:1
8000000:1
Has a touch screen
✔
✔
Performance
Internal storage
1000GB
256GB, 512GB, 1TB
RAM
16GB
12GB, 16GB
Android version
Android 15
Android 16
CPU speed
2 x 4.32 GHz & 6 x 3.53 GHz
1 x 4.21 GHz & 3 x 3.5 GHz & 4 x 2.7 GHz
GPU clock speed
1100 MHz
1750 MHz
Has integrated LTE
✔
✔
RAM speed
5300 MHz
-
Semiconductor size
3 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
85.1 GB/s
85.3 GB/s
OpenCL version
3
-
L2 cache
12 MB
-
DDR memory version
5
-
Maximum memory amount
24GB
-
Uses multithreading
✔
-
Shading units
1536
128
Release date
2025
2025
Memory channels
2
-
Supports ecc memory
✔
-
Cameras
Main camera
200 MP & 50 MP & 50 MP & 50 MP
200 MP & 50 MP & 50 MP
Front camera
32MP
50MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 30 fps
2160 x 60 fps
Wide aperture (main camera)
f/2.6 & f/1.8 & f/1.6 & f/2.2
f/1.7 & f/2.6 & f/2
Has a dual-tone LED flash
✔
-
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
4.3x
3x
Number of flash LEDs
2
2
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
✔
✔
Has manual white balance
✔
✔
Shoots raw
✔
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.0
f/2.0
Has timelapse function
✔
✔
Supports Dolby Vision recording
✔
-
Minimum focal length
-
15 mm
Maximum focal length
-
70 mm
Pixel size (main camera)
0.56 µm & 0.7 µm & 1.6 µm & 0.64 µm
-
Supports HDR10 recording
✔
-
Operating system
Has clipboard warnings
✔
✔
Has location privacy options
✔
✔
Has camera/microphone privacy options
✔
✔
Has theme customization
✔
✔
Can play games while they download
✔
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
-
Has battery health check
✔
✔
Has an extra dim mode
✔
✔
Has focus modes
✔
-
Has dynamic theming
✔
✔
Can offload apps
✔
✔
Has customizable notifications
✔
✔
Has scrolling screenshots
✔
-
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
More languages supported
125
-
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Can block app tracking
-
✔
Has on-device machine learning
-
✔
Has Live Text
-
✔
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Has notification permissions
-
✔
Battery
Battery power
6000 mAh
6040 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
90W
90W
Wireless charging speed
80W
40W
Has reverse wireless charging
✔
-
Reverse wireless charging speed
10W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
✔
Has LDAC
✔
-
Has aptX HD
✔
✔
Has aptX
-
✔
Has aptX Adaptive
✔
-
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax)
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be)
Download speed
10000 MBits/s
10700 MBits/s
Upload speed
3500 MBits/s
-
Has USB Type-C
✔
✔
USB version
3.2
3.2
Has NFC
✔
✔
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Has emergency SOS via satellite
✔
-
Bluetooth version
6
5.4
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
Supports Galileo
✔
✔
Has an infrared sensor
✔
✔
Has an accelerometer
✔
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Xiaomi 15 Ultra
Vote for Your option
Vivo X300
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