Home Phone comparison Xiaomi Poco X3 Pro and Vivo X300 - Which is better?

Xiaomi Poco X3 Pro vs Vivo X300

55 out 100
Xiaomi Poco X3 Pro
VS
92 out 100
Vivo X300
Xiaomi Poco X3 Pro
Vivo X300

Compared 2 smartphones : Xiaomi Poco X3 Pro Manufactured in April, 2021, with display 6.67 with chipsetQualcomm Snapdragon 860, vs Vivo X300, Manufactured in October, 2025 with chipsetMediaTek Dimensity 9500. 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 X3 Pro
  • Larger display: 6.67in
Reasons to choose Vivo X300
  • Higher pixel density: 460ppi
  • Lighter design: 190g vs 215g
  • Higher battery capacity: 6040mAh vs 5160mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/125 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Poco X3 Pro and Vivo X300
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:
Xiaomi Poco X3 Pro
vs
Vivo X300

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.67 in 6.31 in
Resolution 1080x2400 pixels 1216x2640 pixels
Aspect ratio 20:9 19.5:9
Pixel density 395 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 450 nits 2000 nits
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 84.6 % 90.3 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X3 Pro
530 nits
Vivo X300
n/a
sRGB gamut95.1 %n/a
PWM (Flicker)2404 Hzn/a
Response time37.4 msn/a
Contrast995:1n/a
Sources: NotebookCheck [Xiaomi Poco X3 Pro]

Design & Build

Design and ergonomics comparison
Height 165.3 mm (6.51 in) 150.57 mm (5.93 in)
Width 76.8 mm (3.02 in) 71.92 mm (2.83 in)
Thickness 9.4 mm (0.37 in) 7.95 mm (0.31 in)
Weight 215 g (7.58 oz) 190 g (6.7 oz)
Water resistance IP53 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gold
- Blue		 - Black
- Blue
- Red
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X3 Pro
84.6 %
Vivo X300
90.3 %

Performance

Testing Xiaomi Poco X3 Pro and Vivo X300 In benchmarks
Processor
Chipset Qualcomm Snapdragon 860 MediaTek Dimensity 9500
Max Frequency 2960 MHz 4210 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Prime))		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 7 nm 3 nm
Neural Processor Hexagon 690 MediaTek NPU 990
Graphics Adreno 640 Mali-G1 Ultra MP12
GPU Cores 768 1536
GPU Frequency 675 MHz 1716 MHz
FLOPS 1036.8 GFLOPS 5271.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 Pro
973
Vivo X300
3383
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 Pro
2589
Vivo X300
10099
Geekbench 6 (Single-Core)9733383
Geekbench 6 (Multi-Core)258910099
Geekbench Compute (GPU)n/a25462
Sources: Geekbench v6 [Vivo X300]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 Pro
642297
Vivo X300
3367414
CPU181709957632
GPU1557431342611
Memory126967448412
UX177878618759
NanoReview Score6422973367414
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 Pro
3456
Vivo X300
n/a
Max Surface Temp.44.1 °Cn/a
Stability97 %n/a
Graphics Test20 fpsn/a
Graphics Score3456n/a
Sources: 3DMark [Xiaomi Poco X3 Pro]
PCMark 3.0
PCMark 3.0
Xiaomi Poco X3 Pro
10579
Vivo X300
n/a
Writing score13393n/a
Web score8062n/a
Video editing6035n/a
Data manipulation8470n/a
NanoReview Score10579n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 13) Android 16
OS Size 13 GB n/a
UI Skin MIUI 14 OriginOS 6

Battery

Volume 5160 mAh 6040 mAh
Max Charging Power 33 W 90 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (55% in 30 min) Yes (73% in 30 min)
Full Charge Time 1:15 h 0:46 h
Battery Life Test
Battery Life
Xiaomi Poco X3 Pro
22:40
Vivo X300
n/a
Web Browsing08:43 hn/a
Video Playback12:45 hn/a
Games05:20 hn/a
Standby Mode117 hn/a

Main camera

Matrix 48 MP 200 MP
Photo resolution 8000x6000 pixels n/a
Zoom Digital Optical, 3x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No No
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 960 fps (1080p) 240 fps (1080p)
Wide-angle lens 119 ° 119 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP200 MP
Aperturef/1.8f/1.68
Focal length26 mm23 mm
SensorSony IMX582Samsung ISOCELL HPB
Sensor size1/2.01/1.4
Pixel size0.8 μm0.56 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.6
Focal lengthn/a70 mm
Sensorn/aSony LYT-602
Sensor sizen/a1/1.95
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.0
Focal lengthn/a15 mm
SensorOmnivision OV8856Samsung S5KJN1
Sensor size1/41/2.76
Pixel size1.12 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 50 MP
Photo resolution 5480x3648 pixels 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length 25 mm n/a
Sensor CMOS Samsung S5KJN1
Sensor size 1/3.4 1/2.76
Pixel size 0.8 μm 0.64 μm
Autofocus No 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 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 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesNo
2G BandsGSM B2/3/5/8GSM 850/900/1800/1900 MHz
3G BandsUMTC B1/2/4/5/8WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
LTE category20n/a
5G SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No No
Speaker Test
Max Volume
Xiaomi Poco X3 Pro
88.3 dB
Vivo X300
n/a

Other

Class Mid-range Flagship
Announced March, 2021 yr October, 2025 yr
Release Date April, 2021 yr October, 2025 yr
Launch Price ($) 250 n/a
MSRP ($) n/a 699
Sensors - 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, 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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