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

Vivo X300 vs OnePlus 15

88 out of 100
Vivo X300
VS
93 out of 100
OnePlus 15
Vivo X300
OnePlus 15

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 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 1 month 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 (1)

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Vivo X300
  • Weighs 21 grams less
Reasons to consider the OnePlus 15
  • Shows 38% longer battery life (39:14 vs 28:23 hours)
  • Higher display refresh rate – 165 Hz
  • Comes with 1260 mAh larger battery capacity: 7300 vs 6040 mAh
  • Delivers 27% higher peak brightness (3365 against 2658 nits)
  • The rear camera has a 3.5x optical zoom
  • Has a 0.47 inch larger screen size
  • Supports higher wattage charging (120W versus 90W)
  • 20% better performance in AnTuTu Benchmark (4008K versus 3330K)
  • Slow-motion recording at 480FPS
  • 13% faster in single-core GeekBench 6 test: 3607 and 3204 points

Review

Evaluation of Vivo X300 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
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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
41.4
(Average)
Value Index
66.9
(Good)

Tests and specifications

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

Display

Type AMOLED AMOLED
Size 6.31 inches 6.78 inches
Resolution 1216 x 2640 pixels 1272 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 460 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) 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 90.3% 91.2%
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 3 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
OnePlus 15
6.78″ (19.5:9 ratio) = 17.5 in2
Vivo X300
6.31″ (19.5:9 ratio) = 15.1 in2
~15% more screen space
Peak brightness test (auto)
Vivo X300
2658 nits
OnePlus 15 +27%
3365 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 150.57 mm (5.93 inches) 161.42 mm (6.36 inches)
Width 71.92 mm (2.83 inches) 76.67 mm (3.02 inches)
Thickness 7.95 mm (0.31 inches) 8.1 mm (0.32 inches)
Weight 190 g (6.7 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, Blue, Red, Pink, Purple Black, Gold, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Good (3/5) Good (3.69/5)
Drop resistance Very good (B) · 180 drops Good (C) · 90 drops
Screen-to-body ratio
Vivo X300
90.3%
OnePlus 15 +1%
91.2%

Performance

Chipset specifications of Vivo X300 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 X300 and OnePlus 15
Geekbench 6 (Single-Core)
Vivo X300
3204
OnePlus 15 +13%
3607
Geekbench 6 (Multi-Core)
Vivo X300
9874
OnePlus 15 +9%
10732
Compute Score (GPU)
Vivo X300 +4%
25501
OnePlus 15
24461
Compute Score (GPU) 25501 24461
Single-core score 3204 3607
Multi-core score 9874 10732
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Vivo X300
3330801
OnePlus 15 +20%
4008294
CPU 981387 1184036
GPU 1256247 1490867
Memory 364630 402813
UX 728537 930578
Total score 3330801 4008294
Samples [25 tests] [45 tests]
3DMark Steel Nomad Light
Vivo X300 +16%
3119
OnePlus 15
2699
Stability 57% 78%
Graphics test 23 FPS 20 FPS
Graphics score 3119 2699
3DMark Solar Bay
Vivo X300 +2%
12817
OnePlus 15
12540
Graphics test 49 FPS 48 FPS
Section 1 56 FPS 56 FPS
Section 2 48 FPS 47 FPS
Section 3 42 FPS 39 FPS
Graphics score 12817 12540
Sources: 3DMark [5], [6]
PCMark 3.0
Vivo X300
15165
OnePlus 15 +3%
15658
Web score 14375 15531
Video editing 5995 6678
Photo editing 34571 26644
Data manipulation 12159 14971
Writing score 22695 20874
AnTuTu 11 Ranking List (54th and 19th place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Vivo X300
DateBenchmarkResult
📘 2026-09-20 (Forgolka)AnTuTu 123407758
📘 2026-09-19 (Niranjan M)AnTuTu 123402395
📘 2026-09-16 (Asura)CPU Throttle70%
📘 2026-09-07 (Asura)CPU Throttle63%
📘 2026-09-05 (Asura)AnTuTu 123745245
Add View all (35)
OnePlus 15
DateBenchmarkResult
📘 2026-09-08 -> aleshkaAnTuTu 123914618
📘 2026-09-05 (Mehdi)AnTuTu 113651261
📘 2026-08-24 -> Ang3L4DAnTuTu 114057387
📘 2026-08-15 (YurOk)AnTuTu 113870500
📘 2026-08-07 (@zokhidjonovch)AnTuTu 114470263
Add View all (58)

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 - 6 years

Battery

Capacity 6040 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 (67% in 30 min) Yes (50% in 15 min)
Full charging time 0:48 hr 0:43 hr
Battery cycles 1200 cycles 1100 cycles
Battery life tests
Web browsing 12:36 hr 18:32 hr
Watching video 20:41 hr 28:44 hr
Gaming 07:52 hr 10:01 hr
Standby 107 hr 139 hr
General battery life
Vivo X300
28:23 hr
OnePlus 15 +38%
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 119° 116°
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/1.68 f/1.8
Focal length 23 mm 24 mm
Sensor Samsung ISOCELL HPB Sony IMX906
Sensor size 1/1.4" (≈ 0.71 inch) 1/1.56" (≈ 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" (≈ 0.51 inch) 1/2.76" (≈ 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" (≈ 0.36 inch) 1/2.88" (≈ 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" (≈ 0.36 inch) 1/2.74" (≈ 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, NAVIC 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 X300 +15%
92.2 dB
OnePlus 15
80.4 dB

Other

Category Flagship Flagship
Announced October 2025 October 2025
Release date October 2025 October 2025
Launch price (MSRP) $799 $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 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, and software.

Cast your vote

So, which phone would you choose?
242 (50%)
242 (50%)
Total votes: 484

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User opinions

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Avatar
Vinit arora December 5, 2025 at 05:52 AM
Hello, this is my first visit to your website. I really like it, but I think there's one more thing it should have. I think the screen dimensions should be an addition. Both screens should have the same overall dimensions, both in length and width, to help us install the screen guard.
+6 Reply
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