Itel itel S25 Ultra vs Samsung Galaxy S20 Ultra

Compared 2 smartphones : Itel itel S25 Ultra Manufactured in November, 2024, with display 6.78 with chipsetUnisoc T620, vs Samsung Galaxy S20 Ultra, Manufactured in March, 2020 with chipsetSamsung Exynos 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Itel itel S25 Ultra
  • Lighter design: 163g vs 220g
  • Infrared port
  • Includes charger
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

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 8/512 GB
- 12/128 GB
- 12/256 GB
- 16/512 GB

Review

Key Specs Itel itel S25 Ultra and Samsung Galaxy S20 Ultra
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

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.78 in 6.9 in
Resolution 1080x2436 pixels 1440x3200 pixels
Aspect ratio 20.5:9 20:9
Pixel density 393 ppi 511 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes No
Max brightness 1400 nits 800 nits
HDR support No Yes HDR10+
Screen-to-body ratio 89.1 % 90.6 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Itel itel S25 Ultra
n/a
Samsung Galaxy S20 Ultra
886 nits
sRGB gamutn/a99.2 %
PWM (Flicker)n/a240 Hz
Response timen/a6.2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 166.9 mm (6.57 in)
Width 74.6 mm (2.94 in) 76 mm (2.99 in)
Thickness 6.9 mm (0.27 in) 8.8 mm (0.35 in)
Weight 163 g (5.75 oz) 220 g (7.76 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gray
- Purple
- Black
- Gray
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Itel itel S25 Ultra
89.1 %
Samsung Galaxy S20 Ultra
90.6 %

Performance

Testing Itel itel S25 Ultra and Samsung Galaxy S20 Ultra In benchmarks
Processor
Chipset Unisoc T620 Samsung Exynos 990
Max Frequency 2200 MHz 3020 MHz
CPU Cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2.2 (Cortex-A75)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 12 nm 7 nm
Neural Processor No Yes
Graphics Mali-G57 MP1 Mali-G77 MP11
GPU Cores 32 704
GPU Frequency 850 MHz 800 MHz
FLOPS 54.4 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Itel itel S25 Ultra
497
Samsung Galaxy S20 Ultra
1159
Geekbench 6 (Multi-Core)
Itel itel S25 Ultra
1541
Samsung Galaxy S20 Ultra
3158
Geekbench 6 (Single-Core)4971159
Geekbench 6 (Multi-Core)15413158
Geekbench Compute (GPU)599n/a
AnTuTu 10
AnTuTu 10
Itel itel S25 Ultra
332915
Samsung Galaxy S20 Ultra
760316
CPU101047220525
GPU30281225011
Memory116778146451
UX84809168329
NanoReview Score332915760316
3DMark Wild Life
3DMark Wild Life
Itel itel S25 Ultra
n/a
Samsung Galaxy S20 Ultra
4320
Max Surface Temp.n/a38.6 °C
Stabilityn/a53 %
Graphics Testn/a25 fps
Graphics Scoren/a4320
PCMark 3.0
PCMark 3.0
Itel itel S25 Ultra
n/a
Samsung Galaxy S20 Ultra
11163
Writing scoren/a13391
Web scoren/a8714
Video editingn/a6104
Data manipulationn/a9006
NanoReview Scoren/a11163

Memory

RAM
RAM Size 8 GB - 12 GB
- 16 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
- 128 GB
- 512 GB
Storage TypeUFS 2.2UFS 3.0
Memory Cardn/aMicroSD

Software

OS Android 14 Android 10.0 (Upgradeable to Android 13)
OS Size n/a 23.7 GB
UI Skin itel OS 14.5 One UI 5.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes Yes (100% in 80 min)
Full Charge Time n/a 1:20 h
Battery Life Test
Battery Life
Itel itel S25 Ultra
n/a
Samsung Galaxy S20 Ultra
18:01
Web Browsingn/a06:27 h
Video Playbackn/a11:23 h
Gamesn/a04:23 h
Standby Moden/a91 h

Main camera

Matrix 50 MP 108 MP
Photo resolution n/a 12032x9204 pixels
Zoom Digital Optical, 4x
Flash LED LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Macro
Depth
Standard: 108 MP
Telephoto: 48 MP
Ultra-wide: 12 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.6f/1.8
Focal lengthn/a26 mm
Sensorn/aSamsung Bright S5KHM1
Sensor sizen/a1/1.33
Pixel sizen/a0.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a48 MP
Aperturen/af/3.5
Focal lengthn/a103 mm
Sensorn/aSony IMX586
Sensor sizen/a1/2
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Sensorn/aSamsung S5K2LA
Sensor sizen/a1/2.55
Pixel sizen/a1.4 μm
Stabilizationn/aDigital

Front camera

Matrix 32 MP 40 MP
Photo resolution n/a 7864x5200 pixels
Aperture f/2.2 f/2.2
Focal length 22 mm 26 mm
Sensor n/a Samsung S5KGH1
Sensor size n/a 1/2.65
Pixel size n/a 0.7 μm
Autofocus No Phase autofocus (Dual Pixel)
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 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoYes
2G Bandsn/aGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bandsn/aHSDPA 850 / 900 / 1900 / 2100
LTE Bands*n/aLTE (B850/B900/B1700/B1900/B2100)
LTE categoryn/a22
5G SupportNoYes

Sound

Speakers Mono Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Itel itel S25 Ultra
n/a
Samsung Galaxy S20 Ultra
84.4 dB

Other

Class Budget Flagship
Announced November, 2024 yr February, 2020 yr
Release Date November, 2024 yr March, 2020 yr
Launch Price ($) 140 1400
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 18 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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