Vivo iQOO 15R vs Vivo X300 FE

88 out 100
Vivo iQOO 15R
VS
92 out 100
Vivo X300 FE

Compared 2 smartphones : Vivo iQOO 15R Manufactured in March, 2026, with display 6.59 with chipsetQualcomm Snapdragon 8 Gen 5, vs Vivo X300 FE, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Vivo iQOO 15R
  • Larger display: 6.59in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7600mAh vs 6500mAh
Reasons to choose Vivo X300 FE
  • Higher pixel density: 461ppi
  • Lighter design: 190g vs 202g
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Vivo iQOO 15R and Vivo X300 FE
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:
vs

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.59 in 6.31 in
Resolution 1260x2750 pixels 1260x2800 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 459 ppi 461 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness n/a 1800 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 90.8 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 157.61 mm (6.21 in) 150.83 mm (5.94 in)
Width 74.42 mm (2.93 in) 71.76 mm (2.83 in)
Thickness 7.9 mm (0.31 in) 7.99 mm (0.31 in)
Weight 202 g (7.13 oz) 190 g (6.7 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Plastic Glass
Frame Metal Metal
Colors - Black
- Silver
- White
- Black
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15R
90.8 %
Vivo X300 FE
90.3 %

Performance

Testing Vivo iQOO 15R and Vivo X300 FE In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 5 Qualcomm Snapdragon 8 Gen 5
Max Frequency 3000 MHz 2800 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.32 () 6/3.32 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 829 Adreno 829
GPU Cores 1024 1024
GPU Frequency 1200 MHz 1200 MHz
FLOPS 2457.6 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15R
2698
Vivo X300 FE
2818
Geekbench 6 (Multi-Core)
Vivo iQOO 15R
8830
Vivo X300 FE
9052
Geekbench 6 (Single-Core)26982818
Geekbench 6 (Multi-Core)88309052
Geekbench Compute (GPU)2111316659
AnTuTu 10
AnTuTu 10
Vivo iQOO 15R
3272562
Vivo X300 FE
2869139
CPU1018344861821
GPU9978451005345
Memory433367381541
UX823006620432
NanoReview Score32725622869139

Memory

RAM
RAM Size 8 GB 16 GB
Memory Type LPDDR5X LPDDR5X
Channels 4 4
Storage
Storage Capacity256 GB1024 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OriginOS 6 OriginOS 6

Battery

Volume 7600 mAh 6500 mAh
Max Charging Power 100 W 90 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 (46% in 30 min) Yes (48% in 30 min)
Full Charge Time 1:04 h 0:58 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3x
Flash LED LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (1080p)
Wide-angle lens n/a 110 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.6
Sensor sizen/a1/1.56 (0.64)
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.6
Focal lengthn/a70 mm
Sensorn/aSony IMX882
Sensor sizen/a1/1.95 (0.51)
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mm15 mm
Sensor size1/4.0 (0.25)1/4.0 (0.25)
Pixel sizen/a1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture f/2.2 f/2.0
Sensor size n/a 1/2.76 (0.36)
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 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 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes 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 *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM 850/900/1800/1900
3G BandsWCDMA B1/B5/B6/B8/B19WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66/B71)
5G SupportYesYes

Sound

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

Other

Class Mid-range Flagship
Announced February, 2026 yr March, 2026 yr
Release Date March, 2026 yr March, 2026 yr
MSRP ($) 495 n/a
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, 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
4 (57.14%)
3 (42.86%)
Total Votes: 7

User comments

Share your opinion or ask questions below