Home Phone comparison Samsung Galaxy S20 Plus and Xiaomi Redmi 15 5G - Which is better?

Samsung Galaxy S20 Plus vs Xiaomi Redmi 15 5G

65 out 100
Samsung Galaxy S20 Plus
VS
61 out 100
Xiaomi Redmi 15 5G
Samsung Galaxy S20 Plus
Xiaomi Redmi 15 5G

Compared 2 smartphones : Samsung Galaxy S20 Plus Manufactured in March, 2020, with display 6.7 with chipsetSamsung Exynos 9 Octa 990, vs Xiaomi Redmi 15 5G, Manufactured in August, 2025with chipsetQualcomm Snapdragon 6s Gen 3. 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 Plus
  • Higher pixel density: 524ppi
  • Lighter design: 186g vs 224g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi 15 5G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4500mAh
  • Newer Bluetooth version: 5.1 vs 5
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 12/128 GB
- 12/256 GB
- 12/512 GB		 - 4/128 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S20 Plus and Xiaomi Redmi 15 5G
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 Plus
vs
Xiaomi Redmi 15 5G

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.7 in 6.9 in
Resolution 1440x3200 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 524 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 800 nits n/a
HDR support Yes HDR10+ No
Screen-to-body ratio 90.8 % 83.1 %
Features - DCI-P3
- Always-On Display		 n/a
Display test
Peak brightness (auto)
Samsung Galaxy S20 Plus
796 nits
Xiaomi Redmi 15 5G
n/a
sRGB gamut99.7 %n/a
PWM (Flicker)214 Hzn/a
Response time9 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S20 Plus]

Design & Build

Design and ergonomics comparison
Height 161.9 mm (6.37 in) 171.1 mm (6.74 in)
Width 73.7 mm (2.9 in) 82.1 mm (3.23 in)
Thickness 7.8 mm (0.31 in) 8.6 mm (0.34 in)
Weight 186 g (6.56 oz) 224 g (7.9 oz)
Water resistance IP68 IP64
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Gray
- Red		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Samsung Galaxy S20 Plus
90.8 %
Xiaomi Redmi 15 5G
83.1 %

Performance

Testing Samsung Galaxy S20 Plus and Xiaomi Redmi 15 5G In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 990 Qualcomm Snapdragon 6s Gen 3
Max Frequency 3020 MHz 2300 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)
- 2/2.3 (Cortex-A78)
Process Samsung TSMC
Transistor Size 7 nm 6 nm
Neural Processor Yes Hexagon
Graphics Mali-G77 MP11 Adreno 619
GPU Cores 704 256
GPU Frequency 550 MHz 900 MHz
FLOPS 1126 GFLOPS 460.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S20 Plus
1152
Xiaomi Redmi 15 5G
935
Geekbench 6 (Multi-Core)
Samsung Galaxy S20 Plus
3140
Xiaomi Redmi 15 5G
2109
Geekbench 6 (Single-Core)1152935
Geekbench 6 (Multi-Core)31402109
AnTuTu 10
AnTuTu 10
Samsung Galaxy S20 Plus
742810
Xiaomi Redmi 15 5G
473154
CPU210294153170
GPU23540791687
Memory12897199792
UX168138128505
NanoReview Score742810473154
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S20 Plus
4298
Xiaomi Redmi 15 5G
n/a
Max Surface Temp.48.1 °Cn/a
Stability53 %n/a
Graphics Test25 fpsn/a
Graphics Score4298n/a
Sources: 3DMark [Samsung Galaxy S20 Plus]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S20 Plus
11179
Xiaomi Redmi 15 5G
n/a
Writing score13668n/a
Web score8813n/a
Video editing5865n/a
Data manipulation8637n/a
NanoReview Score11179n/a

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 3.0UFS 2.2
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 15
OS Size 23.6 GB n/a
UI Skin One UI 5.1 HyperOS 2.0

Battery

Volume 4500 mAh 7000 mAh
Max Charging Power 25 W 33 W
Battery Type Li-ion n/a
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (100% in 84 min) Yes
Full Charge Time 1:25 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S20 Plus
18:43
Xiaomi Redmi 15 5G
n/a
Web Browsing07:39 hn/a
Video Playback12:04 hn/a
Games04:46 hn/a
Standby Mode85 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels n/a
Zoom Optical, 1.1x Digital
Flash LED 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: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Depth: 0.3 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 Bokeh effect
Main lens
Matrix12 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSamsung S5K2LDn/a
Sensor size1/1.76n/a
Pixel size1.8 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
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 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
Main camera DxOMark results
Photo quality
Samsung Galaxy S20 Plus
129
Xiaomi Redmi 15 5G
n/a
Video quality
Samsung Galaxy S20 Plus
137
Xiaomi Redmi 15 5G
n/a
Overall camera score
Samsung Galaxy S20 Plus
133
Xiaomi Redmi 15 5G
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a
Sources: DxOMark [Samsung Galaxy S20 Plus]

Front camera

Matrix 10 MP 8 MP
Photo resolution 2592x3872 pixels n/a
Aperture f/2.2 f/2.0
Focal length 26 mm n/a
Sensor Sony IMX375 n/a
Sensor size 1/3.2 n/a
Pixel size 1.22 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 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.1
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
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 SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S20 Plus
85 dB
Xiaomi Redmi 15 5G
n/a

Other

Class Flagship Mid-range
Announced February, 2020 yr August, 2025 yr
Release Date March, 2020 yr August, 2025 yr
Launch Price ($) 1200 n/a
MSRP ($) n/a 230
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 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