Home Phone comparison Samsung Galaxy S20 Ultra and Realme GT 8 (China) - Which is better?

Samsung Galaxy S20 Ultra vs Realme GT 8 (China)

65 out 100
Samsung Galaxy S20 Ultra
VS
94 out 100
Realme GT 8 (China)
Samsung Galaxy S20 Ultra
Realme GT 8 (China)

Compared 2 smartphones : Samsung Galaxy S20 Ultra Manufactured in March, 2020, with display 6.9 with chipsetSamsung Exynos 990, 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 Samsung Galaxy S20 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 511ppi
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Realme GT 8 (China)
  • Higher refresh rate: 144Hz
  • Lighter design: 209g vs 220g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S20 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.
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:
Galaxy S20 Ultra
vs
Realme GT 8 (China)

Display

Display quality comparison
Type Dynamic AMOLED OLED
Size 6.9 in 6.79 in
Resolution 1440x3200 pixels 1440x3136 pixels
Aspect ratio 20:9 19.5:9
Pixel density 511 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 800 nits 2000 nits
HDR support Yes HDR10+ Yes, HDR10+
Screen-to-body ratio 90.6 % 91 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S20 Ultra
886 nits
Realme GT 8 (China)
n/a
sRGB gamut99.2 %n/a
PWM (Flicker)240 Hzn/a
Response time6.2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S20 Ultra]

Design & Build

Design and ergonomics comparison
Height 166.9 mm (6.57 in) 161.8 mm (6.37 in)
Width 76 mm (2.99 in) 76.87 mm (3.03 in)
Thickness 8.8 mm (0.35 in) 8.2 mm (0.32 in)
Weight 220 g (7.76 oz) 209 g (7.37 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Gray		 - White
- Blue
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S20 Ultra
90.6 %
Realme GT 8 (China)
91 %

Performance

Testing Samsung Galaxy S20 Ultra and Realme GT 8 (China) In benchmarks
Processor
Chipset Samsung Exynos 990 Qualcomm Snapdragon 8 Elite
Max Frequency 3020 MHz 4320 MHz
CPU Cores 8 (2 + 2 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process Samsung TSMC
Transistor Size 7 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G77 MP11 Adreno 830
GPU Cores 704 1536
GPU Frequency 800 MHz 1100 MHz
FLOPS 1126 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S20 Ultra
1159
Realme GT 8 (China)
3128
Geekbench 6 (Multi-Core)
Samsung Galaxy S20 Ultra
3158
Realme GT 8 (China)
9540
Geekbench 6 (Single-Core)11593128
Geekbench 6 (Multi-Core)31589540
Geekbench Compute (GPU)n/a19212
Sources: Geekbench v6 [Realme GT 8 (China)]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S20 Ultra
760316
Realme GT 8 (China)
3322942
CPU220525990768
GPU2250111156131
Memory146451450995
UX168329725048
NanoReview Score7603163322942
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S20 Ultra
4320
Realme GT 8 (China)
n/a
Max Surface Temp.38.6 °Cn/a
Stability53 %n/a
Graphics Test25 fpsn/a
Graphics Score4320n/a
Sources: 3DMark [Samsung Galaxy S20 Ultra]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S20 Ultra
11163
Realme GT 8 (China)
n/a
Writing score13391n/a
Web score8714n/a
Video editing6104n/a
Data manipulation9006n/a
NanoReview Score11163n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 512 GB		256 GB
Storage TypeUFS 3.0UFS 4.0
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 16
OS Size 23.7 GB n/a
UI Skin One UI 5.1 Realme UI 7.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 45 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (100% in 80 min) Yes (40% in 15 min)
Full Charge Time 1:20 h 0:45 h
Battery Life Test
Battery Life
Samsung Galaxy S20 Ultra
18:01
Realme GT 8 (China)
n/a
Web Browsing06:27 hn/a
Video Playback11:23 hn/a
Games04:23 hn/a
Standby Mode91 hn/a

Main camera

Matrix 108 MP 50 MP
Photo resolution 12032x9204 pixels 8192x6144 pixels
Zoom Optical, 4x Optical, 3.5x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Yes (Up to 30 fps)
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 960 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 108 MP
Telephoto: 48 MP
Ultra-wide: 12 MP
Depth: 0.3 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix108 MP50 MP
Aperturef/1.8f/1.9
Focal length26 mm22 mm
SensorSamsung Bright S5KHM1n/a
Sensor size1/1.331/1.56
Pixel size0.8 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix48 MP50 MP
Aperturef/3.5f/2.8
Focal length103 mm80 mm
SensorSony IMX586n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
StabilizationOpticalDigital
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
SensorSamsung S5K2LASony IMX355
Sensor size1/2.551/2.8
Pixel size1.4 μm1.14 μm
StabilizationDigitalDigital

Front camera

Matrix 40 MP 16 MP
Photo resolution 7864x5200 pixels 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 23 mm
Sensor Samsung S5KGH1 Sony IMX480
Sensor size 1/2.65 1/3.09
Pixel size 0.7 μm 1 μm
Autofocus Phase autofocus (Dual Pixel) 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 6 (802.11 b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 6.0
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotYesNo
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850/900/1800
3G BandsHSDPA 850 / 900 / 1900 / 2100WCDMA 1/4/5/6/8/19
LTE Bands*LTE (B850/B900/B1700/B1900/B2100)LTE (B1/B3/B4/B5/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
LTE category22n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S20 Ultra
84.4 dB
Realme GT 8 (China)
n/a

Other

Class Flagship Flagship
Announced February, 2020 yr October, 2025 yr
Release Date March, 2020 yr October, 2025 yr
Launch Price ($) 1400 n/a
MSRP ($) n/a 410
Sensors - Hall Sensor
- Barometer
- 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, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme GT 8 (China) the clear winner in this comparison.

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