Home Phone comparison Oppo Realme 8i and Vivo X300 - Which is better?

Oppo Realme 8i vs Vivo X300

46 out 100
Oppo Realme 8i
VS
92 out 100
Vivo X300
Oppo Realme 8i
Vivo X300

Compared 2 smartphones : Oppo Realme 8i Manufactured in September, 2021, with display 6.6 with chipsetMediaTek Helio G96, 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 Oppo Realme 8i
  • Larger display: 6.6in
Reasons to choose Vivo X300
  • Higher pixel density: 460ppi
  • Lighter design: 190g vs 194g
  • Higher battery capacity: 6040mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Oppo Realme 8i 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:
Oppo Realme 8i
vs
Vivo X300

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.31 in
Resolution 1080x2412 pixels 1216x2640 pixels
Aspect ratio 20:9 19.5:9
Pixel density 401 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 600 nits 2000 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate 180 Hz 300 Hz
Screen-to-body ratio 84.9 % 90.3 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme 8i
535 nits
Vivo X300
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 150.57 mm (5.93 in)
Width 75.5 mm (2.97 in) 71.92 mm (2.83 in)
Thickness 8.5 mm (0.33 in) 7.95 mm (0.31 in)
Weight 194 g (6.84 oz) 190 g (6.7 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Purple		 - Black
- Blue
- Red
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme 8i
84.9 %
Vivo X300
90.3 %

Performance

Testing Oppo Realme 8i and Vivo X300 In benchmarks
Processor
Chipset MediaTek Helio G96 MediaTek Dimensity 9500
Max Frequency 2050 MHz 4210 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor MediaTek APU MediaTek NPU 990
Graphics Mali-G57 MP2 Mali-G1 Ultra MP12
GPU Cores 128 1536
GPU Frequency 950 MHz 1716 MHz
FLOPS 243 GFLOPS 5271.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 8i
730
Vivo X300
3383
Geekbench 6 (Multi-Core)
Oppo Realme 8i
1882
Vivo X300
10099
Geekbench 6 (Single-Core)7303383
Geekbench 6 (Multi-Core)188210099
Geekbench Compute (GPU)n/a25462
Sources: Geekbench v6 [Vivo X300]
AnTuTu 10
AnTuTu 10
Oppo Realme 8i
361810
Vivo X300
3367414
CPU125217957632
GPU621651342611
Memory75158448412
UX99270618759
NanoReview Score3618103367414
3DMark Wild Life
3DMark Wild Life
Oppo Realme 8i
1091
Vivo X300
n/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1091n/a
Sources: 3DMark [Oppo Realme 8i]
PCMark 3.0
PCMark 3.0
Oppo Realme 8i
10004
Vivo X300
n/a
Writing score12620n/a
Web score8175n/a
Video editing5409n/a
Data manipulation6630n/a
NanoReview Score10004n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 13) Android 16
UI Skin Realme UI 4.0 OriginOS 6

Battery

Volume 5000 mAh 6040 mAh
Max Charging Power 18 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 (30% in 30 min) Yes (73% in 30 min)
Full Charge Time 2:21 h 0:46 h
Battery Life Test
Battery Life
Oppo Realme 8i
24:45
Vivo X300
n/a
Web Browsing08:17 hn/a
Video Playback13:08 hn/a
Games05:22 hn/a
Standby Mode143 hn/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8700x5800 pixels n/a
Zoom Digital Optical, 3x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (1080p)
Wide-angle lens n/a 119 °
Lenses count Standard: 50 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
Matrix50 MP200 MP
Aperturef/1.8f/1.68
Focal length26 mm23 mm
SensorSamsung S5KJN1Samsung ISOCELL HPB
Sensor size1/2.761/1.4
Pixel size0.64 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
Matrixn/a50 MP
Aperturen/af/2.0
Focal lengthn/a15 mm
Sensorn/aSamsung S5KJN1
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital

Front camera

Matrix 16 MP 50 MP
Photo resolution 4920x3264 pixels 8192x6144 pixels
Aperture f/2.1 f/2.0
Sensor Hynix Hi-1364Q Samsung S5KJN1
Sensor size 1/3.0 1/2.76
Pixel size 1 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 5.1 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
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850/900/1800/1900 MHz
3G BandsWCDMA 1/5/8WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B5/B8/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 category13n/a
5G SupportNoYes

Sound

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

Other

Class Mid-range Flagship
Announced September, 2021 yr October, 2025 yr
Release Date September, 2021 yr October, 2025 yr
Launch Price ($) 230 n/a
MSRP ($) 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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