Home > Smartphone comparison > Vivo X300 vs OnePlus 15T – which one to choose?

Vivo X300 vs OnePlus 15T

88 out of 100
Vivo X300
VS
92 out of 100
OnePlus 15T
Vivo X300
OnePlus 15T

Here we compared two flagship smartphones: the 6.31-inch Vivo X300 (with MediaTek Dimensity 9500) that was released on October 13, 2025, against the OnePlus 15T, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 6 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Vivo X300
  • Delivers 142% higher peak brightness (2679 against 1106 nits)
  • The front-facing camera can record video at 4K
Reasons to consider the OnePlus 15T
  • Higher display refresh rate – 165 Hz
  • Comes with 1460 mAh larger battery capacity: 7500 vs 6040 mAh
  • The rear camera has a 3.5x optical zoom
  • 18% better performance in AnTuTu Benchmark (3927K versus 3330K)
  • Slow-motion recording at 480FPS
  • Supports higher wattage charging (100W versus 90W)
  • The phone is 6 months newer
  • 14% faster in single-core GeekBench 6 test: 3640 and 3204 points

Review

Evaluation of Vivo X300 and OnePlus 15T crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

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Currency
12 / 256 GB
VS
12 / 256 GB
41.4
(Average)
Value Index
66.6
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Vivo X300
vs
OnePlus 15T

Display

Type AMOLED AMOLED
Size 6.31 inches 6.32 inches
Resolution 1216 x 2640 pixels 1216 x 2640 pixels
Aspect ratio 19.5:9 19.5:9
PPI 460 ppi 460 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-165 Hz)
Max rated brightness 2000 nits 1800 nits
Max rated brightness in HDR 4500 nits 3600 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 330 Hz
Screen protection Reinforced Glass Crystal Shield Glass
Screen-to-body ratio 90.3% 90.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.8% 99.9%
PWM 360 Hz 120 Hz
Response time 1 ms 6 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Vivo X300 +142%
2679 nits
OnePlus 15T
1106 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 150.57 mm (5.93 inches) 150.56 mm (5.93 inches)
Width 71.92 mm (2.83 inches) 71.82 mm (2.83 inches)
Thickness 7.95 mm (0.31 inches) 8.35 mm (0.33 inches)
Weight 190 g (6.7 oz) 194 g (6.84 oz)
Waterproof IP69 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Plastic
Frame material Metal Metal
Colors Black, Blue, Red, Pink, Purple White, Green, Brown
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Good (3/5) -
Drop resistance Very good (B) Β· 180 drops -
Screen-to-body ratio
Vivo X300
90.3%
OnePlus 15T
90.7%

Performance

Chipset specifications of Vivo X300 and OnePlus 15T
SoC
Chipset MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Elite Gen 5
Max clock 4210 MHz 4610 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4 cores at 2.7 GHz: C1-Pro
- 3 cores at 3.5 GHz: C1-Premium
- 1 core at 4.21 GHz: C1-Ultra		 - 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
L3 cache 16 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) MediaTek NPU 990 Hexagon
GPU
Graphics Mali-G1 Ultra MP12 Adreno 840
GPU shading units 1536 1536
GPU clock 1716 MHz 1300 MHz
FLOPS ~5271.5 GFLOPS ~3993.6 GFLOPS

Benchmarks

Benchmark comparison of Vivo X300 and OnePlus 15T
Geekbench 6 (Single-Core)
Vivo X300
3204
OnePlus 15T +14%
3640
Geekbench 6 (Multi-Core)
Vivo X300
9874
OnePlus 15T +12%
11033
Compute Score (GPU)
Vivo X300
25501
OnePlus 15T +8%
27558
Compute Score (GPU) 25501 27558
Single-core score 3204 3640
Multi-core score 9874 11033
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Vivo X300
3330801
OnePlus 15T +18%
3927976
CPU 981387 1113855
GPU 1256247 1450217
Memory 364630 487460
UX 728537 876444
Total score 3330801 3927976
Samples [25 tests] [4 tests]
3DMark Steel Nomad Light
Stability 57% -
Graphics test 23 FPS -
Graphics score 3119 -
3DMark Solar Bay
Graphics test 49 FPS -
Section 1 56 FPS -
Section 2 48 FPS -
Section 3 42 FPS -
Graphics score 12817 -
Sources: 3DMark [5]
PCMark 3.0
Web score 14375 -
Video editing 5995 -
Photo editing 34571 -
Data manipulation 12159 -
Writing score 22695 -
AnTuTu 11 Ranking List (60th and 33rd place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Vivo X300
DateBenchmarkResult
πŸ“˜ 2026-09-20 (Forgolka)AnTuTu 123407758
πŸ“˜ 2026-09-19 (Niranjan M)AnTuTu 123402395
πŸ“˜ 2026-09-16 (Asura)CPU Throttle70%
πŸ“˜ 2026-09-07 (Asura)CPU Throttle63%
πŸ“˜ 2026-09-05 (Asura)AnTuTu 123745245
Add View all (35)
OnePlus 15T
DateBenchmarkResult
πŸ“˜ 2026-08-04 -> Pisulka_deda13AnTuTu 114140191
πŸ“˜ 2026-07-23 -> savelBattery lifeSOT 11:47 / 12:40
πŸ“˜ 2026-07-21 (savel)AnTuTu 113783475
πŸ“˜ 2026-06-18 (linux❀)AnTuTu 113828108
πŸ“˜ 2026-06-17 (Winra)AnTuTu 113927976
Add View all (5)

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5333 MHz 5300 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1
Memory card No No

Software

Operating system Android 16 Android 16
ROM OriginOS 6 ColorOS 16
OS size - 57 GB
OS updates 5 years 4 years
Security updates - 5 years

Battery

Capacity 6040 mAh 7500 mAh
Max charge power 90 W 100 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging Yes (40 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes
Bypass charging Yes Yes
Fast charging Yes (67% in 30 min) Yes (61% in 30 min)
Full charging time 0:48 hr 0:46 hr
Battery cycles 1200 cycles -
Battery life tests
Web browsing 12:36 hr -
Watching video 20:41 hr -
Gaming 07:52 hr -
Standby 107 hr -
General battery life
Vivo X300
28:23 hr
OnePlus 15T
n/a
Add your battery life

Main camera

Matrix 200 megapixels 50 megapixels
Image resolution 16320 x 12288 8192 x 6144
Zoom Optical, 3x Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No Up to 30FPS
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 240 FPS (1080p) 480 FPS (720p)
Angle of widest lens 119Β° -
Lenses 1) Standard: 200 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
Camera features - Bokeh mode
- Pro mode		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 200 MP 50 MP
Aperture f/1.68 f/1.8
Focal length 23 mm 24 mm
Sensor Samsung ISOCELL HPB Sony IMX906
Sensor size 1/1.4" (β‰ˆ 0.71 inch) 1/1.56" (β‰ˆ 0.64 inch)
Pixel size 0.56 micron 1 micron
Autofocus Laser autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 50 MP
Aperture f/2.6 f/2.8
Focal length 70 mm 85 mm
Sensor Sony LYT-602 Samsung S5KJN5
Sensor size 1/1.95" (β‰ˆ 0.51 inch) 1/2.76" (β‰ˆ 0.36 inch)
Pixel size 0.8 micron 0.64 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP -
Aperture f/2.0 -
Focal length 15 mm -
Sensor Samsung S5KJN1 -
Sensor size 1/2.76" (β‰ˆ 0.36 inch) -
Pixel size 0.64 micron -
Stabilization Digital -

Selfie camera

Megapixels 50 megapixels 16 megapixels
Image resolution 8192 x 6144 -
Aperture f/2.0 f/2.4
Focal length 20 mm 23 mm
Sensor Samsung S5KJN1 CMOS
Sensor size 1/2.76" (β‰ˆ 0.36 inch) -
Pixel size 0.64 micron 1 micron
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort Yes Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos No No
Speakers test
Max loudness
Vivo X300 +13%
92.2 dB
OnePlus 15T
81.5 dB

Other

Category Flagship Flagship
Announced October 2025 March 2026
Release date October 2025 March 2026
Launch price (MSRP) $799 $799
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Yes, 100 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the battery life and software are more important to you, then choose the OnePlus 15T. But if the connectivity is more of a priority – go for the Vivo X300.

Cast your vote

So, which phone would you choose?
66 (45.5%)
79 (54.5%)
Total votes: 145

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