Oppo Realme GT3 vs Vivo X300

71 out 100
Oppo Realme GT3
VS
92 out 100
Vivo X300

Compared 2 smartphones : Oppo Realme GT3 Manufactured in March, 2023, with display 6.74 with chipsetQualcomm Snapdragon 8 Plus Gen 1, vs Vivo X300, Manufactured in October, 2025with chipsetMediaTek Dimensity 9500. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme GT3
  • Larger display: 6.74in
  • Higher refresh rate: 144Hz
  • Supports Dolby Atmos
Reasons to choose Vivo X300
  • Higher pixel density: 460ppi
  • Lighter design: 190g vs 199g
  • Higher battery capacity: 6040mAh vs 4600mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 12/256 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 Oppo Realme GT3 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
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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:
vs

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.74 in 6.31 in
Resolution 1240x2772 pixels 1216x2640 pixels
Aspect ratio 20:9 19.5:9
Pixel density 451 ppi 460 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 500 nits 2000 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 88.3 % 90.3 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme GT3
964 nits
Vivo X300
n/a

Design & Build

Design and ergonomics comparison
Height 163.9 mm (6.45 in) 150.57 mm (5.93 in)
Width 75.8 mm (2.98 in) 71.92 mm (2.83 in)
Thickness 8.9 mm (0.35 in) 7.95 mm (0.31 in)
Weight 199 g (7.02 oz) 190 g (6.7 oz)
Water resistance No IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Plastic Metal
Colors - White
- Black
- Black
- Blue
- Red
- Pink
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Oppo Realme GT3
88.3 %
Vivo X300
90.3 %

Performance

Testing Oppo Realme GT3 and Vivo X300 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Plus Gen 1 MediaTek Dimensity 9500
Max Frequency 3190 MHz 4210 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)
- 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon MediaTek NPU 990
Graphics Adreno 730 Mali-G1 Ultra MP12
GPU Cores 1024 1536
GPU Frequency 900 MHz 1716 MHz
FLOPS 1843.2 GFLOPS 5271.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme GT3
1446
Vivo X300
3383
Geekbench 6 (Multi-Core)
Oppo Realme GT3
4021
Vivo X300
10099
Geekbench 6 (Single-Core)14463383
Geekbench 6 (Multi-Core)402110099
Geekbench Compute (GPU)n/a25462
AnTuTu 10
AnTuTu 10
Oppo Realme GT3
1304562
Vivo X300
3367414
CPU336137957632
GPU4646821342611
Memory237717448412
UX266026618759
NanoReview Score13045623367414
3DMark Wild Life
3DMark Wild Life
Oppo Realme GT3
10143
Vivo X300
n/a
Stability62 %n/a
Graphics Test60 fpsn/a
Graphics Score10143n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 16 GB
12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5333 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 1024 GB
256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 16
UI Skin Realme UI 4.0 OriginOS 6

Battery

Volume 4600 mAh 6040 mAh
Max Charging Power 240 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 (50% in 4 min) Yes (73% in 30 min)
Full Charge Time 0:11 h 0:46 h
Battery Life Test
Battery Life
Oppo Realme GT3
23:18
Vivo X300
n/a
Web Browsing06:52 hn/a
Video Playback11:34 hn/a
Games04:38 hn/a
Standby Mode148 hn/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No No
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 n/a 240 fps (1080p)
Wide-angle lens 112 ° 119 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.9f/1.68
Focal length24 mm23 mm
SensorSony IMX890Samsung ISOCELL HPB
Sensor size1/1.561/1.4
Pixel size1 μm0.56 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
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 length16 mm15 mm
SensorSony IMX355Samsung S5KJN1
Sensor size1/4.01/2.76
Pixel size1.14 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 50 MP
Photo resolution 4920x3264 pixels 8192x6144 pixels
Aperture f/2.5 f/2.0
Focal length 25 mm n/a
Sensor CMOS Samsung S5KJN1
Sensor size 1/3.09 1/2.76
Pixel size n/a 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 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 5.3 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 n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- 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 SlotNoNo
2G Bandsn/aGSM 850/900/1800/1900 MHz
3G Bandsn/aWCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*n/aLTE (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 SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced February, 2023 yr October, 2025 yr
Release Date March, 2023 yr October, 2025 yr
Launch Price ($) 650 n/a
MSRP ($) 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 Yes 240 W 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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