Home Phone comparison Xiaomi Poco X8 Pro and Vivo X300 Ultra - Which is better?

Xiaomi Poco X8 Pro vs Vivo X300 Ultra

82 out 100
Xiaomi Poco X8 Pro
VS
94 out 100
Vivo X300 Ultra
Xiaomi Poco X8 Pro
Vivo X300 Ultra

Compared 2 smartphones : Xiaomi Poco X8 Pro Manufactured in March, 2026, with display 6.59 with chipsetMediaTek Dimensity 8500 Ultra, vs Vivo X300 Ultra, Manufactured in April, 2026with 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 X8 Pro
  • Lighter design: 201.5g vs 232g
  • Newer Bluetooth version: 6.0 vs 5.4
Reasons to choose Vivo X300 Ultra
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6600mAh vs 6500mAh
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort

Versions

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

Review

Key Specs Xiaomi Poco X8 Pro 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 X8 Pro
vs
Vivo X300 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.59 in 6.82 in
Resolution 1268x2756 pixels 1440x3168 pixels
Aspect ratio 19.5:9 19.8:9
Pixel density 460 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (30-120 Hz) Yes
Max brightness 2000 nits 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 90 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 157.53 mm (6.2 in) 162.98 mm (6.42 in)
Width 75.19 mm (2.96 in) 76.81 mm (3.02 in)
Thickness 8.38 mm (0.33 in) 8.49 mm (0.33 in)
Weight 201.5 g (7.11 oz) 232 g (8.18 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame Metal Metal
Colors - White
- Black
- Green		 - Black
- Silver
- Green
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X8 Pro
90 %
Vivo X300 Ultra
90.3 %

Performance

Testing Xiaomi Poco X8 Pro and Vivo X300 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 8500 Ultra Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3400 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.2 (Cortex-A725)
- 3/3.2 (Cortex-A725)
- 1/3.4 (Cortex-A725)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor MediaTek NPU 880 Hexagon
Graphics Mali-G720 MP8 n/a
GPU Cores 1024 n/a
GPU Frequency 1300 MHz n/a
FLOPS 2662.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X8 Pro
1751
Vivo X300 Ultra
3621
Geekbench 6 (Multi-Core)
Xiaomi Poco X8 Pro
6824
Vivo X300 Ultra
10653
Geekbench 6 (Single-Core)17513621
Geekbench 6 (Multi-Core)682410653
Geekbench Compute (GPU)14716n/a
Sources: Geekbench v6 [Xiaomi Poco X8 Pro], [Vivo X300 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X8 Pro
2082689
Vivo X300 Ultra
4247433
CPU5900341192014
GPU6642211543938
Memory362146525105
UX466288986376
NanoReview Score20826894247433

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5333 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin HyperOS 3.0 OriginOS 6

Battery

Volume 6500 mAh 6600 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging Yes Yes
Fast Charging Yes (68% in 30 min) Yes
Full Charge Time 0:48 h n/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Optical, 3.7x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (1080p)
Wide-angle lens n/a 116 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 200 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.5f/1.9
Focal length26 mm35 mm
SensorSony IMX882Sony LYT-901
Sensor size1/1.95 (0.51)1/1.12 (0.89)
Pixel size0.8 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 length15 mm14 mm
SensorSmartSens SC821CSSony LYT-818
Sensor size1/4.0 (0.25)1/1.28 (0.78)
Pixel size1.12 μm1.22 μm
StabilizationDigitalOptical

Front camera

Matrix 20 MP 50 MP
Photo resolution 5184x3888 pixels 8192x6144 pixels
Aperture f/2.2 f/2.5
Focal length 25 mm 24 mm
Sensor OmniVision OV20B Samsung ISOCELL JN1
Sensor size 1/4.0 (0.25) 1/2.76 (0.36)
Pixel size 0.7 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 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 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 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 No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66/B71/B484)n/a
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Mid-range Flagship
Announced March, 2026 yr March, 2026 yr
Release Date March, 2026 yr April, 2026 yr
MSRP ($) 329 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, 100 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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