Home Phone comparison Xiaomi Poco X6 and Vivo X300 Ultra - Which is better?

Xiaomi Poco X6 vs Vivo X300 Ultra

60 out 100
Xiaomi Poco X6
VS
94 out 100
Vivo X300 Ultra
Xiaomi Poco X6
Vivo X300 Ultra

Compared 2 smartphones : Xiaomi Poco X6 Manufactured in January, 2024, with display 6.67 with chipsetQualcomm Snapdragon 7s Gen 2, 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 Xiaomi Poco X6
  • Lighter design: 181g 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 5100mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort

Versions

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

Review

Key Specs Xiaomi Poco X6 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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Poco X6
vs
Vivo X300 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.67 in 6.82 in
Resolution 1220x2712 pixels 1440x3168 pixels
Aspect ratio 20:9 19.8:9
Pixel density 446 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (30-120 Hz) Yes
Max brightness 1200 nits 1800 nits
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.8 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X6
1328 nits
Vivo X300 Ultra
n/a

Design & Build

Design and ergonomics comparison
Height 161.15 mm (6.34 in) 162.98 mm (6.42 in)
Width 74.24 mm (2.92 in) 76.81 mm (3.02 in)
Thickness 7.98 mm (0.31 in) 8.49 mm (0.33 in)
Weight 181 g (6.38 oz) 232 g (8.18 oz)
Water resistance IP54 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Blue		 - Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X6
89.8 %
Vivo X300 Ultra
90.3 %

Performance

Testing Xiaomi Poco X6 and Vivo X300 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 2 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2400 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.95 (Cortex-A55)
- 4/2.4 (Cortex-A78)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes Hexagon
Graphics Adreno 710 n/a
GPU Cores 256 n/a
GPU Frequency 940 MHz n/a
FLOPS 481.3 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X6
1030
Vivo X300 Ultra
3621
Geekbench 6 (Multi-Core)
Xiaomi Poco X6
2980
Vivo X300 Ultra
10653
Geekbench 6 (Single-Core)10303621
Geekbench 6 (Multi-Core)298010653
Sources: Geekbench v6 [Xiaomi Poco X6], [Vivo X300 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X6
593842
Vivo X300 Ultra
4247433
CPU2024421192014
GPU1169601543938
Memory126346525105
UX148094986376
NanoReview Score5938424247433

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB		256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 15) Android 16
UI Skin HyperOS 2.0 OriginOS 6

Battery

Volume 5100 mAh 6600 mAh
Max Charging Power 67 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No Yes
Fast Charging Yes (78% in 30 min) Yes
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Xiaomi Poco X6
18:31
Vivo X300 Ultra
n/a
Web Browsing06:45 hn/a
Video Playback10:18 hn/a
Games04:35 hn/a
Standby Mode99 hn/a

Main camera

Matrix 64 MP 200 MP
Photo resolution 9000x7000 pixels n/a
Zoom Digital Optical, 3.7x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 116 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 200 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP200 MP
Aperturef/1.8f/1.9
Focal length25 mm35 mm
SensorOmnivision OV64BSony LYT-901
Sensor size1/21/1.12 (0.89)
Pixel size0.7 μm0.7 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
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
Matrix8 MP50 MP
Aperturef/2.2f/2.0
Focal lengthn/a14 mm
SensorSony IMX355Sony LYT-818
Sensor size1/41/1.28 (0.78)
Pixel size1.14 μm1.22 μm
StabilizationDigitalOptical

Front camera

Matrix 16 MP 50 MP
Photo resolution 4608x3456 pixels 8192x6144 pixels
Aperture f/2.4 f/2.5
Focal length n/a 24 mm
Sensor Omnivision OV16A1Q Samsung ISOCELL JN1
Sensor size 1/3.06 1/2.76 (0.36)
Pixel size 1 μm 0.64 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) 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 LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA B1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)n/a
LTE category18n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Mid-range Flagship
Announced January, 2024 yr March, 2026 yr
Release Date January, 2024 yr April, 2026 yr
Launch Price ($) 249 n/a
MSRP ($) n/a 1199
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W 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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