Vivo X300 E vs OnePlus 15T

86 out of 100
Vivo X300 E
VS
92 out of 100
OnePlus 15T

Here we compared two flagship smartphones: the 6.59-inch Vivo X300 E (with Qualcomm Snapdragon 8 Gen 5) that was released on July 27, 2026, against the OnePlus 15T, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 4 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Vivo X300 E
  • Slow-motion recording at 960FPS
  • Supports Dolby Atmos sound technology
  • The front-facing camera can record video at 4K
Reasons to consider the OnePlus 15T
  • 36% better performance in AnTuTu Benchmark (3927K versus 2886K)
  • Handles wireless charging up to 50W
  • Higher display refresh rate – 165 Hz
  • Newer Bluetooth version (v6.0)
  • The rear camera has a 3.5x optical zoom
  • Supports higher wattage charging (100W versus 90W)
  • 29% faster in single-core GeekBench 6 test: 3640 and 2813 points
  • Ready for eSIM technology

Review

Evaluation of Vivo X300 E 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
91*
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
66.9
(Good)
Value Index
66.6
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.59 inches 6.32 inches
Resolution 1260 x 2750 pixels 1216 x 2640 pixels
Aspect ratio 19.5:9 19.5:9
PPI 459 ppi 460 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes Yes (60-165 Hz)
Max rated brightness 1800 nits 1800 nits
Max rated brightness in HDR 5000 nits 3600 nits
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch sampling rate 300 Hz 330 Hz
Screen protection Tempered glass Crystal Shield Glass
Screen-to-body ratio 91.1% 90.7%
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 - 6 ms
Contrast - ∞ Infinity
Screen space comparison
X300 E
6.59β€³ (19.5:9 ratio) = 16.5 in2
OnePlus 15T
6.32β€³ (19.5:9 ratio) = 15.2 in2
~8% more screen space
Peak brightness test (auto)
n/a
1106 nits
Sources: NotebookCheck [3]

Design and build

Height 157.5 mm (6.2 inches) 150.56 mm (5.93 inches)
Width 74.3 mm (2.93 inches) 71.82 mm (2.83 inches)
Thickness 7.8 mm (0.31 inches) 8.35 mm (0.33 inches)
Weight 200 g (7.05 oz) 194 g (6.84 oz)
Waterproof IP69 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Plastic
Frame material Metal Metal
Colors White, Gray, Orange White, Green, Brown
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
91.1%
90.7%

Performance

Chipset specifications of Vivo X300 E and OnePlus 15T
SoC
Chipset Qualcomm Snapdragon 8 Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
Max clock 3800 MHz 4610 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 3.32 GHz: Oryon Performance
- 2 cores at 3.8 GHz: Oryon Prime
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
L3 cache 6 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 829 Adreno 840
GPU shading units 1024 1536
GPU clock 1225 MHz 1300 MHz
FLOPS ~2508.8 GFLOPS ~3993.6 GFLOPS

Benchmarks

Benchmark comparison of Vivo X300 E and OnePlus 15T
Geekbench 6 (Single-Core)
2813
3640
Geekbench 6 (Multi-Core)
9056
11033
Compute Score (GPU)
17022
27558
Compute Score (GPU) 17022 27558
Single-core score 2813 3640
Multi-core score 9056 11033
Sources: Geekbench [3]
AnTuTu Benchmark 11
2886527
3927976
CPU 887251 1113855
GPU 951094 1450217
Memory 384303 487460
UX 663879 876444
Total score 2886527 3927976
Samples Less than 3 [4 tests]
AnTuTu 11 Ranking List (125th and 33rd place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Vivo X300 E
No benchmark results yet
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

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock - 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 - 4 years
Security updates - 5 years

Battery

Capacity 7200 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 No Yes (50 W)
Reverse charging Yes Yes
Bypass charging - Yes
Fast charging Yes Yes (61% in 30 min)
Full charging time - 0:46 hr

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Optical, 3x Optical, 3.5x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording No Up to 30FPS
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 960 FPS (1080p) 480 FPS (720p)
Angle of widest lens 110Β° -
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 8 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.9 f/1.8
Focal length - 24 mm
Sensor - Sony IMX906
Sensor size - 1/1.56" (β‰ˆ 0.64 inch)
Pixel size - 1 micron
Autofocus Phase 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 IMX882 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 8 MP -
Aperture f/2.2 -
Focal length 15 mm -
Sensor size 1/4.0" (β‰ˆ 0.25 inch) -
Pixel size 1.12 micron -
Stabilization Digital -

Selfie camera

Megapixels 50 megapixels 16 megapixels
Image resolution 8192 x 6144 -
Aperture f/2.0 f/2.4
Focal length 21 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 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort No Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS 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* No Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
n/a
81.5 dB

Other

Category Flagship Flagship
Announced July 2026 March 2026
Release date July 2026 March 2026
Launch price (MSRP) $710 $799
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 90 W Yes, 100 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

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

Cast your vote

So, which phone would you choose?
0 (0%)
0 (0%)
Total votes: < 1

User opinions

You can share your opinion or ask a question in the comments below
🌐 Register your profile and become part of NanoReview community!