Home Phone comparison Realme 15 Pro 5G and Vivo X300 FE - Which is better?

Realme 15 Pro 5G vs Vivo X300 FE

73 out 100
Realme 15 Pro 5G
VS
92 out 100
Vivo X300 FE
Realme 15 Pro 5G
Vivo X300 FE

Compared 2 smartphones : Realme 15 Pro 5G Manufactured in July, 2025, with display 6.8 with chipsetQualcomm Snapdragon 7 Gen 4, vs Vivo X300 FE, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 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 Realme 15 Pro 5G
  • Larger display: 6.8in
  • Higher refresh rate: 144Hz
  • Lighter design: 187g vs 190g
  • Higher battery capacity: 7000mAh vs 6500mAh
Reasons to choose Vivo X300 FE
  • Higher pixel density: 461ppi
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 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 Realme 15 Pro 5G 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
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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:
Realme 15 Pro 5G
vs
Vivo X300 FE

Display

Display quality comparison
Type OLED AMOLED
Size 6.8 in 6.31 in
Resolution 1280x2800 pixels 1260x2800 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 453 ppi 461 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1800 nits 1800 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 91.9 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.26 mm (6.39 in) 150.83 mm (5.94 in)
Width 76.15 mm (3 in) 71.76 mm (2.83 in)
Thickness 7.69 mm (0.3 in) 7.99 mm (0.31 in)
Weight 187 g (6.6 oz) 190 g (6.7 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Back panel n/a Glass
Frame Plastic Metal
Colors - Silver
- Green
- Purple		 - White
- Black
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Realme 15 Pro 5G
91.9 %
Vivo X300 FE
90.3 %

Performance

Testing Realme 15 Pro 5G and Vivo X300 FE In benchmarks
Processor
Chipset Qualcomm Snapdragon 7 Gen 4 Qualcomm Snapdragon 8 Gen 5
Max Frequency 2800 MHz 2800 MHz
CPU Cores 8 (1 + 4 + 3) 8 (2 + 6)
Architecture - 3/1.84 (Kryo Silver (Cortex-520))
- 4/2.4 (Kryo Gold (Cortex-720))
- 1/2.8 (Kryo Prime (Cortex-720))		 6/3.32 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes Hexagon
Graphics Adreno 722 Adreno 829
GPU Cores 512 1024
GPU Frequency 1150 MHz 1200 MHz
FLOPS 1177.6 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 15 Pro 5G
1204
Vivo X300 FE
2818
Geekbench 6 (Multi-Core)
Realme 15 Pro 5G
3592
Vivo X300 FE
9052
Geekbench 6 (Single-Core)12042818
Geekbench 6 (Multi-Core)35929052
Geekbench Compute (GPU)660716659
Sources: Geekbench v6 [Realme 15 Pro 5G], [Vivo X300 FE]
AnTuTu 10
AnTuTu 10
Realme 15 Pro 5G
1086379
Vivo X300 FE
2869139
CPU312446861821
GPU3255411005345
Memory218506381541
UX229886620432
NanoReview Score10863792869139

Memory

RAM
RAM Size 8 GB 16 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity128 GB1024 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin Realme UI 6.0 OriginOS 6

Battery

Volume 7000 mAh 6500 mAh
Max Charging Power 80 W 90 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No Yes
Fast Charging Yes Yes (48% in 30 min)
Full Charge Time n/a 0:58 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3x
Flash Dual 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 240 fps (720p) 960 fps (1080p)
Wide-angle lens 115 ° 110 °
Lenses count Standard: 50 MP
Ultra-wide: 50 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
Focal length24 mmn/a
SensorSony IMX896n/a
Sensor size1/21/1.56 (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
Matrix50 MP8 MP
Aperturef/2.0f/2.2
Focal lengthn/a15 mm
SensorOmniVision OV50Dn/a
Sensor size1/21/4.0 (0.25)
Pixel size0.61 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Aperture f/2.4 f/2.0
Sensor OmniVision OV50D n/a
Sensor size 1/2.88 1/2.76 (0.36)
Autofocus n/a Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) 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 5.4 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 No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No 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 1/5/8WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B5/B8/B40/B41)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 July, 2025 yr March, 2026 yr
Release Date July, 2025 yr March, 2026 yr
MSRP ($) 335 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, 80 W Yes, 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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