Home Phone comparison OnePlus 9 and Vivo X300 Ultra - Which is better?

OnePlus 9 vs Vivo X300 Ultra

63 out 100
OnePlus 9
VS
94 out 100
Vivo X300 Ultra
OnePlus 9
Vivo X300 Ultra

Compared 2 smartphones : OnePlus 9 Manufactured in March, 2021, with display 6.55 with chipsetQualcomm Snapdragon 888 5G, vs Vivo X300 Ultra, Manufactured in April, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose OnePlus 9
  • Lighter design: 192g vs 232g
Reasons to choose Vivo X300 Ultra
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6600mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 3.1
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 12/256 GB		 - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs OnePlus 9 and Vivo X300 Ultra
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus 9
vs
Vivo X300 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.55 in 6.82 in
Resolution 1080x2400 pixels 1440x3168 pixels
Aspect ratio 20:9 19.8:9
Pixel density 402 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 500 nits 1800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Screen-to-body ratio 87.3 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 9
818 nits
Vivo X300 Ultra
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)323 Hzn/a
Response time13 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [OnePlus 9]

Design & Build

Design and ergonomics comparison
Height 160 mm (6.3 in) 162.98 mm (6.42 in)
Width 74.2 mm (2.92 in) 76.81 mm (3.02 in)
Thickness 8.7 mm (0.34 in) 8.49 mm (0.33 in)
Weight 192 g (6.77 oz) 232 g (8.18 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Glass
Frame Plastic Metal
Colors - Black
- Blue
- Purple		 - Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 9
87.3 %
Vivo X300 Ultra
90.3 %

Performance

Testing OnePlus 9 and Vivo X300 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 5G Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2840 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process Samsung TSMC
Transistor Size 5 nm 3 nm
Neural Processor Hexagon 780 Hexagon
Graphics Adreno 660 n/a
GPU Cores 1024 n/a
GPU Frequency 840 MHz n/a
FLOPS 1290.2 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 9
1489
Vivo X300 Ultra
3621
Geekbench 6 (Multi-Core)
OnePlus 9
3996
Vivo X300 Ultra
10653
Geekbench 6 (Single-Core)14893621
Geekbench 6 (Multi-Core)399610653
Sources: Geekbench v6 [Vivo X300 Ultra]
AnTuTu 10
AnTuTu 10
OnePlus 9
937505
Vivo X300 Ultra
4247433
CPU2486621192014
GPU3087231543938
Memory169685525105
UX210435986376
NanoReview Score9375054247433
3DMark Wild Life
3DMark Wild Life
OnePlus 9
5761
Vivo X300 Ultra
n/a
Max Surface Temp.48.8 °Cn/a
Stability55 %n/a
Graphics Test34 fpsn/a
Graphics Score5761n/a
Sources: 3DMark [OnePlus 9]
PCMark 3.0
PCMark 3.0
OnePlus 9
12032
Vivo X300 Ultra
n/a
Writing score15081n/a
Web score11112n/a
Video editing6018n/a
Data manipulation10751n/a
NanoReview Score12032n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 2750 MHz 5333 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 16
OS Size 35 GB n/a
UI Skin OxygenOS 13 OriginOS 6

Battery

Volume 4500 mAh 6600 mAh
Max Charging Power 65 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) Yes (40 W)
Reverse Charging No Yes
Fast Charging Yes (100% in 29 min) Yes
Full Charge Time 0:29 h n/a
Battery Life Test
Battery Life
OnePlus 9
19:38
Vivo X300 Ultra
n/a
Web Browsing07:52 hn/a
Video Playback11:44 hn/a
Games04:32 hn/a
Standby Mode96 hn/a

Main camera

Matrix 48 MP 200 MP
Photo resolution 8000x6000 pixels n/a
Zoom Digital Optical, 3.7x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 140 ° 116 °
Lenses count Standard: 48 MP
Ultra-wide: 50 MP
Monochrome: 2 MP		 Standard: 200 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP200 MP
Aperturef/1.8f/1.9
Focal length23 mm35 mm
SensorSony IMX689Sony LYT-901
Sensor size1/1.431/1.12 (0.89)
Pixel size1.12 μm0.7 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a200 MP
Aperturen/af/2.7
Focal lengthn/a85 mm
Sensorn/aSamsung ISOCELL HPB
Sensor sizen/a1/1.4 (0.71)
Pixel sizen/a0.56 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.0
Focal length14 mm14 mm
SensorSony IMX766Sony LYT-818
Sensor size1/1.561/1.28 (0.78)
Pixel size1 μm1.22 μm
StabilizationDigitalOptical
Main camera DxOMark results
Photo quality
OnePlus 9
123
Vivo X300 Ultra
n/a
Video quality
OnePlus 9
104
Vivo X300 Ultra
n/a
Overall camera score
OnePlus 9
115
Vivo X300 Ultra
n/a
Sources: DxOMark [OnePlus 9]

Front camera

Matrix 16 MP 50 MP
Photo resolution 4920x3264 pixels 8192x6144 pixels
Aperture f/2.0 f/2.5
Focal length n/a 24 mm
Sensor Sony IMX471 Samsung ISOCELL JN1
Sensor size 1/3.06 1/2.76 (0.36)
Pixel size 1 μm 0.64 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- 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 5.2 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- SBAS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2, 3, 5, 8n/a
3G BandsWCDMA B1, 2, 4, 5, 8, 9, 19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B38/B39/B40/B41/B46/B48/B66/B71)n/a
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
OnePlus 9
83 dB
Vivo X300 Ultra
n/a

Other

Class Flagship Flagship
Announced March, 2021 yr March, 2026 yr
Release Date March, 2021 yr April, 2026 yr
Launch Price ($) 730 n/a
MSRP ($) n/a 1199
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo X300 Ultra the clear winner in this comparison.

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