Vivo X300s vs OnePlus Ace 6 Ultra

90 out of 100
Vivo X300s
VS
89 out of 100
OnePlus Ace 6 Ultra

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 Ace 6 Ultra, which is powered by the same chip 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Vivo X300s
  • The rear camera has a 3x optical zoom
  • Handles wireless charging up to 40W
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology
Reasons to consider the OnePlus Ace 6 Ultra
  • Comes with 1500 mAh larger battery capacity: 8600 vs 7100 mAh
  • Higher display refresh rate – 165 Hz
  • Supports higher wattage charging (120W versus 90W)

Review

Evaluation of Vivo X300s and OnePlus Ace 6 Ultra 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
54.1
(Average)
Value Index
99.8
(Very good)

Tests and specifications

Comparison table of technical specifications and tests

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
Max rated brightness 2000 nits 800 nits
Max rated brightness in HDR 4500 nits 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 300 Hz
Screen protection Reinforced Glass Crystal Shield Glass
Screen-to-body ratio 91.8% 89.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming

Design and build

Height 162 mm (6.38 inches) 162.5 mm (6.4 inches)
Width 75.5 mm (2.97 inches) 77.5 mm (3.05 inches)
Thickness 8 mm (0.31 inches) 8.5 mm (0.33 inches)
Weight 217 g (7.65 oz) 217 g (7.65 oz)
Waterproof IP69 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Green, Purple Black, Gray
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
91.8%
89.7%

Performance

Chipset specifications of Vivo X300s and OnePlus Ace 6 Ultra
SoC
Chipset MediaTek Dimensity 9500 MediaTek Dimensity 9500
Max clock 4210 MHz 4210 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
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
- 4 cores at 2.7 GHz: C1-Pro
- 3 cores at 3.5 GHz: C1-Premium
- 1 core at 4.21 GHz: C1-Ultra
L3 cache 16 MB 16 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) MediaTek NPU 990 MediaTek NPU 990
GPU
Graphics Mali-G1 Ultra MP12 Mali-G1 Ultra MP12
GPU shading units 1536 1536
GPU clock 1716 MHz 1716 MHz
FLOPS ~5271.5 GFLOPS ~5271.5 GFLOPS

Benchmarks

Benchmark comparison of Vivo X300s and OnePlus Ace 6 Ultra
Geekbench 6 (Single-Core)
3390
3600
Geekbench 6 (Multi-Core)
10059
10616
Compute Score (GPU)
Compute Score (GPU) - 25593
Single-core score 3390 3600
Multi-core score 10059 10616
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
3703823
3429868
CPU 987627 1011104
GPU 1399169 1311664
Memory 541165 383286
UX 775859 723814
Total score 3703823 3429868
Samples Less than 3 Less than 3
AnTuTu 11 Ranking List (43rd and 53rd place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Vivo X300s
No benchmark results yet
OnePlus Ace 6 Ultra
DateBenchmarkResult
📘 2026-09-26 (Ghoul)AnTuTu 123633640

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 ColorOS 16
OS updates 5 years -
Security updates 5 years -

Battery

Capacity 7100 mAh 8600 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) No
Reverse charging Yes, (wireless) Yes
Bypass charging Yes Yes
Fast charging Yes Yes

Main camera

Matrix 200 megapixels 50 megapixels
Image resolution 16320 x 12288 8192 x 6144
Zoom Optical, 3x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 240 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 119° 112°
Lenses 1) Standard: 200 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
1) Standard: 50 MP
2) Ultrawide: 8 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 23 mm
Sensor Samsung ISOCELL HPB -
Sensor size 1/1.4" (≈ 0.71 inch) 1/1.55" (≈ 0.65 inch)
Pixel size 0.56 micron 1 micron
Autofocus Laser autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP -
Aperture f/2.6 -
Focal length 70 mm -
Sensor Sony LYT-602 -
Sensor size 1/1.95" (≈ 0.51 inch) -
Pixel size 0.8 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 50 MP 8 MP
Aperture f/2.0 f/2.2
Focal length 15 mm 16 mm
Sensor Samsung S5KJN1 -
Sensor size 1/2.76" (≈ 0.36 inch) -
Pixel size 0.64 micron 1.12 micron
Stabilization Digital Digital

Selfie camera

Megapixels 50 megapixels 16 megapixels
Image resolution 8192 x 6144 4608 x 3456
Aperture f/2.0 f/2.4
Focal length 20 mm 23 mm
Sensor Samsung S5KJN1 -
Sensor size 1/2.76" (≈ 0.36 inch) 1/3" (≈ 0.33 inch)
Pixel size 0.64 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 No
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* Yes No
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

Other

Category Flagship Flagship
Announced March 2026 April 2026
Release date April 2026 April 2026
Launch price (MSRP) $899 $555
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger - Yes, 120 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera and connectivity are more important to you, then choose the Vivo X300s. But if the battery life, software, and sound are more of a priority – go for the OnePlus Ace 6 Ultra.

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Total votes: 1

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