Home Phone comparison Samsung Galaxy S20 Ultra and Tecno Spark Slim - Which is better?

Samsung Galaxy S20 Ultra vs Tecno Spark Slim

65 out 100
Samsung Galaxy S20 Ultra
VS
62 out 100
Tecno Spark Slim
Samsung Galaxy S20 Ultra
Tecno Spark Slim

Compared 2 smartphones : Samsung Galaxy S20 Ultra Manufactured in March, 2020, with display 6.9 with chipsetSamsung Exynos 990, vs Tecno Spark Slim, Manufactured in October, 2025with chipsetMediaTek Helio G200. 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
  • Built-in eSIM
Reasons to choose Tecno Spark Slim
  • Higher refresh rate: 144Hz
  • Lighter design: 156g vs 220g
  • Higher battery capacity: 5160mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S20 Ultra and Tecno Spark Slim
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
Tecno Spark Slim

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.9 in 6.78 in
Resolution 1440x3200 pixels 1224x2720 pixels
Aspect ratio 20:9 20:9
Pixel density 511 ppi 440 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 800 nits 4500 nits
HDR support Yes HDR10+ No
Screen-to-body ratio 90.6 % 89.1 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S20 Ultra
886 nits
Tecno Spark Slim
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) 164.2 mm (6.46 in)
Width 76 mm (2.99 in) 75.9 mm (2.99 in)
Thickness 8.8 mm (0.35 in) 5.93 mm (0.23 in)
Weight 220 g (7.76 oz) 156 g (5.5 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Gray		 - White
- Black
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S20 Ultra
90.6 %
Tecno Spark Slim
89.1 %

Performance

Testing Samsung Galaxy S20 Ultra and Tecno Spark Slim In benchmarks
Processor
Chipset Samsung Exynos 990 MediaTek Helio G200
Max Frequency 3020 MHz 2200 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)		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process Samsung TSMC
Transistor Size 7 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G77 MP11 Mali-G57 MP2
GPU Cores 704 64
GPU Frequency 800 MHz 1100 MHz
FLOPS 1126 GFLOPS 140.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S20 Ultra
1159
Tecno Spark Slim
718
Geekbench 6 (Multi-Core)
Samsung Galaxy S20 Ultra
3158
Tecno Spark Slim
1985
Geekbench 6 (Single-Core)1159718
Geekbench 6 (Multi-Core)31581985
Geekbench Compute (GPU)n/a1480
Sources: Geekbench v6 [Tecno Spark Slim]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S20 Ultra
760316
Tecno Spark Slim
591552
CPU220525220476
GPU22501148665
Memory146451149900
UX168329172511
NanoReview Score760316591552
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S20 Ultra
4320
Tecno Spark Slim
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
Tecno Spark Slim
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		 8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 512 GB		256 GB
Storage TypeUFS 3.0UFS 2.2
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 15
OS Size 23.7 GB n/a
UI Skin One UI 5.1 HIOS 15

Battery

Volume 5000 mAh 5160 mAh
Max Charging Power 45 W 45 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (100% in 80 min) Yes (52% in 30 min)
Full Charge Time 1:20 h 0:57 h
Battery Life Test
Battery Life
Samsung Galaxy S20 Ultra
18:01
Tecno Spark Slim
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 8160x6144 pixels
Zoom Optical, 4x Digital
Flash LED Dual LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 108 MP
Telephoto: 48 MP
Ultra-wide: 12 MP
Depth: 0.3 MP		 Standard: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix108 MP50 MP
Aperturef/1.8n/a
Focal length26 mmn/a
SensorSamsung Bright S5KHM1n/a
Sensor size1/1.33n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix48 MPn/a
Aperturef/3.5n/a
Focal length103 mmn/a
SensorSony IMX586n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSamsung S5K2LAn/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 40 MP 13 MP
Photo resolution 7864x5200 pixels n/a
Aperture f/2.2 n/a
Focal length 26 mm n/a
Sensor Samsung S5KGH1 CMOS
Sensor size 1/2.65 n/a
Pixel size 0.7 μm n/a
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
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 5.4
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
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 2n/a
3G BandsHSDPA 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B850/B900/B1700/B1900/B2100)n/a
LTE category22n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S20 Ultra
84.4 dB
Tecno Spark Slim
n/a

Other

Class Flagship Mid-range
Announced February, 2020 yr September, 2025 yr
Release Date March, 2020 yr October, 2025 yr
Launch Price ($) 1400 n/a
MSRP ($) n/a 190
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, 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below