Home > Smartphone comparison > Vivo X300s vs OnePlus 15 – which one to choose?

Vivo X300s vs OnePlus 15

90 out of 100
Vivo X300s
VS
93 out of 100
OnePlus 15
Vivo X300s
OnePlus 15

Here we compared two flagship smartphones: the 6.82-inch Vivo X300s (with MediaTek Dimensity 9500) that was released on March 30, 2026, against the OnePlus 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 5 months before. 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 OnePlus 15
  • Higher display refresh rate – 165 Hz
  • The rear camera has a 3.5x optical zoom
  • Supports higher wattage charging (120W versus 90W)
  • Slow-motion recording at 480FPS

Review

Evaluation of Vivo X300s and OnePlus 15 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)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
54.1
(Average)
Value Index
66.9
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Vivo X300s
vs
OnePlus 15

Display

Type AMOLED AMOLED
Size 6.82 inches 6.78 inches
Resolution 1260 x 2800 pixels 1272 x 2772 pixels
Aspect ratio 20:9 19.5:9
PPI 452 ppi 450 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max rated brightness 2000 nits 1800 nits
Max rated brightness in HDR 4500 nits 6000 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 330 Hz
Screen protection Reinforced Glass Gorilla Glass Victus 2
Screen-to-body ratio 91.8% 91.2%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 99.9%
PWM - 120 Hz
Response time - 3 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
Vivo X300s
n/a
OnePlus 15
3423 nits
Sources: NotebookCheck [3]

Design and build

Height 162 mm (6.38 inches) 161.42 mm (6.36 inches)
Width 75.5 mm (2.97 inches) 76.67 mm (3.02 inches)
Thickness 8 mm (0.31 inches) 8.1 mm (0.32 inches)
Weight 217 g (7.65 oz) 211 g (7.44 oz)
Waterproof IP69 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Green, Purple Black, Gold, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3.69/5)
Drop resistance - Good (C) Β· 90 drops
Screen-to-body ratio
Vivo X300s +1%
91.8%
OnePlus 15
91.2%

Performance

Chipset specifications of Vivo X300s and OnePlus 15
SoC
Chipset MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Elite Gen 5
Max clock 4210 MHz 4600 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 X300s and OnePlus 15
Geekbench 6 (Single-Core)
Vivo X300s
3390
OnePlus 15 +6%
3607
Geekbench 6 (Multi-Core)
Vivo X300s
10059
OnePlus 15 +7%
10732
Compute Score (GPU)
Compute Score (GPU) - 24461
Single-core score 3390 3607
Multi-core score 10059 10732
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Vivo X300s
3703823
OnePlus 15 +8%
4008294
CPU 987627 1184036
GPU 1399169 1490867
Memory 541165 402813
UX 775859 930578
Total score 3703823 4008294
Samples Less than 3 [45 tests]
3DMark Steel Nomad Light
Stability - 78%
Graphics test - 20 FPS
Graphics score - 2699
3DMark Solar Bay
Graphics test - 48 FPS
Section 1 - 56 FPS
Section 2 - 47 FPS
Section 3 - 39 FPS
Graphics score - 12540
Sources: 3DMark [5]
PCMark 3.0
Web score - 15531
Video editing - 6678
Photo editing - 26644
Data manipulation - 14971
Writing score - 20874
AnTuTu 11 Ranking List (42nd and 25th place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Vivo X300s
No benchmark results yet
Add
OnePlus 15
DateBenchmarkResult
πŸ“˜ 2026-09-26 (ASCOπŸ‡ΊπŸ‡Ώ)AnTuTu 123842868
πŸ“˜ 2026-09-08 -> aleshkaAnTuTu 123914618
πŸ“˜ 2026-09-05 (Mehdi)AnTuTu 113651261
πŸ“˜ 2026-08-24 -> Ang3L4DAnTuTu 114057387
πŸ“˜ 2026-08-15 (YurOk)AnTuTu 113870500
Add View all (59)

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5333 MHz 5333 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 OxygenOS 16
OS size - 26 GB
OS updates 5 years 4 years
Security updates 5 years 6 years

Battery

Capacity 7100 mAh 7300 mAh
Max charge power 90 W 120 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, (wireless)
Bypass charging Yes Yes
Fast charging Yes Yes (50% in 15 min)
Full charging time - 0:43 hr
Battery cycles - 1100 cycles
Battery life tests
Web browsing - 18:32 hr
Watching video - 28:44 hr
Gaming - 10:01 hr
Standby - 139 hr
General battery life
Vivo X300s
n/a
OnePlus 15
39:14 hr
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° 116Β°
Lenses 1) Standard: 200 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 200 MP 50 MP
Aperture f/1.7 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 50 MP
Aperture f/2.0 f/2.0
Focal length 15 mm 16 mm
Sensor Samsung S5KJN1 OmniVision OV50D
Sensor size 1/2.76" (β‰ˆ 0.36 inch) 1/2.88" (β‰ˆ 0.35 inch)
Pixel size 0.64 micron 0.612 micron
Stabilization Digital Digital

Selfie camera

Megapixels 50 megapixels 32 megapixels
Image resolution 8192 x 6144 6560 x 4928
Aperture f/2.0 f/2.4
Focal length 20 mm 21 mm
Sensor Samsung S5KJN1 Sony IMX709
Sensor size 1/2.76" (β‰ˆ 0.36 inch) 1/2.74" (β‰ˆ 0.36 inch)
Pixel size 0.64 micron 0.64 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 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 3.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort Yes Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
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 X300s
n/a
OnePlus 15
80.4 dB

Other

Category Flagship Flagship
Announced March 2026 October 2025
Release date April 2026 October 2025
Launch price (MSRP) $899 $899
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger - Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the OnePlus 15. It has a better camera, battery life, software, and sound.

Cast your vote

So, which phone would you choose?
6 (50%)
6 (50%)
Total votes: 12

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