Home Phone comparison Samsung Galaxy S20 and Realme GT 7T - Which is better?

Samsung Galaxy S20 vs Realme GT 7T

62 out 100
Samsung Galaxy S20
VS
81 out 100
Realme GT 7T
Samsung Galaxy S20
Realme GT 7T

Compared 2 smartphones : Samsung Galaxy S20 Manufactured in March, 2020, with display 6.2 with chipsetSamsung Exynos 9 Octa 990, vs Realme GT 7T, Manufactured in May, 2025 with chipsetMediaTek Dimensity 8400 Max. 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
  • Higher pixel density: 563ppi
  • Lighter design: 163g vs 202g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Realme GT 7T
  • Larger display: 6.8in
  • Higher battery capacity: 7000mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S20 and Realme GT 7T
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:
Samsung Galaxy S20
vs
Realme GT 7T

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.2 in 6.8 in
Resolution 1440x3200 pixels 1280x2800 pixels
Aspect ratio 20:9 20:9
Pixel density 563 ppi 453 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 800 nits 1800 nits
HDR support Yes HDR10+ Yes Dolby Vision
Touch Sampling Rate n/a 360 Hz
Screen-to-body ratio 88.5 % 90.5 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S20
809 nits
Realme GT 7T
n/a
sRGB gamut99.8 %n/a
PWM (Flicker)242 Hzn/a
Response time8.5 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S20]

Design & Build

Design and ergonomics comparison
Height 151.7 mm (5.97 in) 162.42 mm (6.39 in)
Width 69.1 mm (2.72 in) 75.97 mm (2.99 in)
Thickness 7.9 mm (0.31 in) 8.25 mm (0.32 in)
Weight 163 g (5.75 oz) 202 g (7.13 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Gray
- Blue
- Red		 - Black
- Blue
- Yellow
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S20
88.5 %
Realme GT 7T
90.5 %

Performance

Testing Samsung Galaxy S20 and Realme GT 7T In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 990 MediaTek Dimensity 8400 Max
Max Frequency 3020 MHz 3250 MHz
CPU Cores 8 (2 + 2 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process Samsung TSMC
Transistor Size 7 nm 4 nm
Neural Processor Yes MediaTek NPU 880
Graphics Mali-G77 MP11 Mali-G720 MP7
GPU Cores 704 896
GPU Frequency 550 MHz 1300 MHz
FLOPS 1126 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S20
1139
Realme GT 7T
1510
Geekbench 6 (Multi-Core)
Samsung Galaxy S20
3080
Realme GT 7T
6042
Geekbench 6 (Single-Core)11391510
Geekbench 6 (Multi-Core)30806042
AnTuTu 10
AnTuTu 10
Samsung Galaxy S20
680061
Realme GT 7T
1672255
CPU206940385772
GPU180770593285
Memory136999375886
UX155352317312
NanoReview Score6800611672255
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S20
4221
Realme GT 7T
n/a
Max Surface Temp.49.7 °Cn/a
Stability51 %n/a
Graphics Test25 fpsn/a
Graphics Score4221n/a
Sources: 3DMark [Samsung Galaxy S20]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S20
11213
Realme GT 7T
n/a
Writing score13300n/a
Web score9221n/a
Video editing6001n/a
Data manipulation8487n/a
NanoReview Score11213n/a

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz n/a
Channels 2 4
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 3.0UFS 4.0
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 15
OS Size 20.1 GB n/a
UI Skin One UI 5.1 Realme UI 6.0

Battery

Volume 4000 mAh 7000 mAh
Max Charging Power 25 W 120 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) n/a
Fast Charging Yes (100% in 75 min) Yes (56% in 15 min)
Full Charge Time 1:15 h 0:37 h
Battery Life Test
Battery Life
Samsung Galaxy S20
16:07
Realme GT 7T
n/a
Web Browsing06:49 hn/a
Video Playback10:33 hn/a
Games04:30 hn/a
Standby Mode69 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels 8192x6144 pixels
Zoom Optical, 1.1x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 120 fps (1080p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix12 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mm24 mm
SensorSamsung S5K2LDSony IMX896
Sensor size1/1.761/1.56
Pixel size1.8 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix64 MPn/a
Aperturef/2.0n/a
Focal length29 mmn/a
SensorSamsung Bright S5KGW2n/a
Sensor size1/1.72n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
SensorSamsung S5K2LAOmnivision OV08D10
Sensor size1/2.551/4.0
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 10 MP 32 MP
Photo resolution 2592x3872 pixels n/a
Aperture f/2.2 f/2.5
Focal length 26 mm 21 mm
Sensor Samsung S5K3J1 Sony IMX615
Sensor size 1/3.2 1/2.74
Pixel size 1.22 μm 0.8 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 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - 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 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
- Galileo
- QZSS
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 850/900/1800/1900MHz
3G BandsHSDPA 850 / 900 / 1900 / 2100WCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B850/B900/B1700/B1900/B2100)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B39/B40/B41/B66/B71)
LTE category22n/a
5G SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S20
85.9 dB
Realme GT 7T
n/a

Other

Class Flagship Mid-range
Announced February, 2020 yr May, 2025 yr
Release Date March, 2020 yr May, 2025 yr
Launch Price ($) 999 n/a
MSRP ($) n/a 549
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes 120 W

Note

Realme GT 7T:

The 128GB version uses UFS 3.1 storage.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme GT 7T the clear winner in this comparison.

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