Home Phone comparison Vivo X100 Ultra and Realme GT 8 (China) - Which is better?

Vivo X100 Ultra vs Realme GT 8 (China)

88 out 100
Vivo X100 Ultra
VS
94 out 100
Realme GT 8 (China)
Vivo X100 Ultra
Realme GT 8 (China)

Compared 2 smartphones : Vivo X100 Ultra Manufactured in May, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Realme GT 8 (China), Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. 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 X100 Ultra
  • Higher pixel density: 517ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose Realme GT 8 (China)
  • Larger display: 6.79in
  • Higher refresh rate: 144Hz
  • Lighter design: 209g vs 229g
  • Higher battery capacity: 7000mAh vs 5500mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

Available versions and configurations
Memory Options - 12/256 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 X100 Ultra and Realme GT 8 (China)
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.
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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 X100 Ultra
vs
Realme GT 8 (China)

Display

Display quality comparison
Type AMOLED OLED
Size 6.78 in 6.79 in
Resolution 1440x3200 pixels 1440x3136 pixels
Aspect ratio 20:9 19.5:9
Pixel density 517 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 3000 nits 2000 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 89.5 % 91 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Vivo X100 Ultra
1783 nits
Realme GT 8 (China)
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 161.8 mm (6.37 in)
Width 75.6 mm (2.98 in) 76.87 mm (3.03 in)
Thickness 9.2 mm (0.36 in) 8.2 mm (0.32 in)
Weight 229 g (8.08 oz) 209 g (7.37 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Gray		 - White
- Blue
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Vivo X100 Ultra
89.5 %
Realme GT 8 (China)
91 %

Performance

Testing Vivo X100 Ultra and Realme GT 8 (China) In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 8 Elite
Max Frequency 3300 MHz 4320 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 6)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 750 Adreno 830
GPU Cores 1536 1536
GPU Frequency 903-1000 MHz 1100 MHz
FLOPS 2774 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X100 Ultra
2292
Realme GT 8 (China)
3128
Geekbench 6 (Multi-Core)
Vivo X100 Ultra
7005
Realme GT 8 (China)
9540
Geekbench 6 (Single-Core)22923128
Geekbench 6 (Multi-Core)70059540
Geekbench Compute (GPU)n/a19212
Sources: Geekbench v6 [Vivo X100 Ultra], [Realme GT 8 (China)]
AnTuTu 10
AnTuTu 10
Vivo X100 Ultra
1985404
Realme GT 8 (China)
3322942
CPU454762990768
GPU7863081156131
Memory395610450995
UX348724725048
NanoReview Score19854043322942
3DMark Wild Life
3DMark Wild Life
Vivo X100 Ultra
16644
Realme GT 8 (China)
n/a
Sources: 3DMark [Vivo X100 Ultra]
PCMark 3.0
PCMark 3.0
Vivo X100 Ultra
14201
Realme GT 8 (China)
n/a
Writing score18970n/a
Web score10974n/a
Video editing6450n/a
Data manipulation12481n/a
NanoReview Score14201n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 16
UI Skin OriginOS 5 Realme UI 7.0

Battery

Volume 5500 mAh 7000 mAh
Max Charging Power 80 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (30 W) No
Reverse Charging Yes No
Fast Charging Yes (65% in 30 min) Yes (40% in 15 min)
Full Charge Time 0:48 h 0:45 h
Battery Life Test
Battery Life
Vivo X100 Ultra
22:58
Realme GT 8 (China)
n/a
Web Browsing10:19 hn/a
Video Playback14:26 hn/a
Games05:35 hn/a
Standby Mode99 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3.7x Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (1080p)
Wide-angle lens 116 ° 112 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal length23 mm22 mm
SensorSony LYT-900n/a
Sensor size1/0.981/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.7f/2.8
Focal length85 mm80 mm
SensorSamsung ISOCELL HP9n/a
Sensor size1/1.4n/a
Pixel size0.56 μmn/a
StabilizationOpticalDigital
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.2f/2.2
Focal length14 mm16 mm
SensorSony LYT-600Sony IMX355
Sensor size1/2.01/2.8
Pixel size0.7 μm1.14 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 16 MP
Photo resolution 8192x6144 pixels 4608x3456 pixels
Aperture f/2.5 f/2.4
Focal length 24 mm 23 mm
Sensor n/a Sony IMX480
Sensor size 1/2.76 1/3.09
Pixel size n/a 1 μm
Autofocus n/a No
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 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		 - 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 *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800
3G Bandsn/aWCDMA 1/4/5/6/8/19
LTE Bands*n/aLTE (B1/B3/B4/B5/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
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 May, 2024 yr October, 2025 yr
Release Date May, 2024 yr October, 2025 yr
Launch Price ($) 900 n/a
MSRP ($) n/a 410
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, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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