Home Phone comparison Vivo X300 and Vivo iQOO 15T - Which is better?

Vivo X300 vs Vivo iQOO 15T

92 out 100
Vivo X300
VS
91 out 100
Vivo iQOO 15T
Vivo X300
Vivo iQOO 15T

Compared 2 smartphones : Vivo X300 Manufactured in October, 2025, with display 6.31 with chipsetMediaTek Dimensity 9500, vs Vivo iQOO 15T, Manufactured in May, 2026with chipsetMediaTek Dimensity 9500 Monster. 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 Vivo X300
  • Lighter design: 190g vs 216g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Vivo iQOO 15T
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 8000mAh vs 6040mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

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

Review

Key Specs Vivo X300 and Vivo iQOO 15T
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
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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:
Vivo X300
vs
Vivo iQOO 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.31 in 6.82 in
Resolution 1216x2640 pixels 1440x3168 pixels
Aspect ratio 19.5:9 20:9
Pixel density 460 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2000 nits 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 300 Hz 300 Hz
Screen-to-body ratio 90.3 % 89.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 150.57 mm (5.93 in) 163.4 mm (6.43 in)
Width 71.92 mm (2.83 in) 76.7 mm (3.02 in)
Thickness 7.95 mm (0.31 in) 8.3 mm (0.33 in)
Weight 190 g (6.7 oz) 216 g (7.62 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Blue
- Red
- Pink
- Purple		 - White
- Black
- Blue
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo X300
90.3 %
Vivo iQOO 15T
89.6 %

Performance

Testing Vivo X300 and Vivo iQOO 15T In benchmarks
Processor
Chipset MediaTek Dimensity 9500 MediaTek Dimensity 9500 Monster
Max Frequency 4210 MHz 4210 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor MediaTek NPU 990 MediaTek NPU 990
Graphics Mali-G1 Ultra MP12 n/a
GPU Cores 1536 n/a
GPU Frequency 1716 MHz n/a
FLOPS 5271.5 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X300
3383
Vivo iQOO 15T
3507
Geekbench 6 (Multi-Core)
Vivo X300
10099
Vivo iQOO 15T
10634
Geekbench 6 (Single-Core)33833507
Geekbench 6 (Multi-Core)1009910634
Geekbench Compute (GPU)25462n/a
Sources: Geekbench v6 [Vivo X300], [Vivo iQOO 15T]
AnTuTu 10
AnTuTu 10
Vivo X300
3367414
Vivo iQOO 15T
3815522
CPU9576321006840
GPU13426111438159
Memory448412553590
UX618759816933
NanoReview Score33674143815522

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 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 OriginOS 6 OriginOS 6

Battery

Volume 6040 mAh 8000 mAh
Max Charging Power 90 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (40 W) No
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes (73% in 30 min) Yes
Full Charge Time 0:46 h n/a

Main camera

Matrix 200 MP 200 MP
Photo resolution n/a 16320x12288 pixels
Zoom Optical, 3x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 119 ° n/a
Lenses count Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP200 MP
Aperturef/1.68f/1.9
Focal length23 mmn/a
SensorSamsung ISOCELL HPBn/a
Sensor size1/1.41/1.56 (0.64)
Pixel size0.56 μm0.5 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/2.6n/a
Focal length70 mmn/a
SensorSony LYT-602n/a
Sensor size1/1.95n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.0f/2.0
Focal length15 mm15 mm
SensorSamsung S5KJN1Samsung S5KJN5
Sensor size1/2.761/2.76 (0.36)
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 16 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.0 f/2.5
Sensor Samsung S5KJN1 n/a
Sensor size 1/2.76 n/a
Pixel size 0.64 μm n/a
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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 5.4 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
- NAVIC		 - 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 *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900 MHzn/a
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced October, 2025 yr May, 2026 yr
Release Date October, 2025 yr May, 2026 yr
MSRP ($) 699 560
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 90 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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