Home Phone comparison Samsung Galaxy S9 Plus and Realme 15 5G - Which is better?

Samsung Galaxy S9 Plus vs Realme 15 5G

48 out 100
Samsung Galaxy S9 Plus
VS
70 out 100
Realme 15 5G
Samsung Galaxy S9 Plus
Realme 15 5G

Compared 2 smartphones : Samsung Galaxy S9 Plus Manufactured in March, 2018, with display 6.2 with chipsetSamsung Exynos 9 Octa 9810, vs Realme 15 5G, Manufactured in July, 2025 with chipsetMediaTek Dimensity 7300 Plus. 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 S9 Plus
  • Higher pixel density: 531ppi
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
Reasons to choose Realme 15 5G
  • Larger display: 6.8in
  • Higher refresh rate: 144Hz
  • Lighter design: 187g vs 189g
  • Higher battery capacity: 7000mAh vs 3500mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 6/64 GB
- 6/128 GB
- 6/256 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy S9 Plus and Realme 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 S9 Plus
vs
Realme 15 5G

Display

Display quality comparison
Type Super AMOLED OLED
Size 6.2 in 6.8 in
Resolution 1440x2960 pixels 1280x2800 pixels
Aspect ratio 18.5:9 19.5:9
Pixel density 531 ppi 453 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 631 nits 1800 nits
HDR support Yes HDR10 Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 83.6 % 91.9 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S9 Plus
629 nits
Realme 15 5G
n/a
PWM (Flicker)215 Hzn/a
Response time7 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S9 Plus]

Design & Build

Design and ergonomics comparison
Height 158.1 mm (6.22 in) 162.27 mm (6.39 in)
Width 73.8 mm (2.91 in) 76.16 mm (3 in)
Thickness 8.5 mm (0.33 in) 7.66 mm (0.3 in)
Weight 189 g (6.67 oz) 187 g (6.6 oz)
Water resistance IP68 IP68
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Gold
- Gray
- Red
- Purple		 - Silver
- Green
- Purple
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S9 Plus
83.6 %
Realme 15 5G
91.9 %

Performance

Testing Samsung Galaxy S9 Plus and Realme 15 5G In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9810 MediaTek Dimensity 7300 Plus
Max Frequency 2900 MHz 2600 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)		 - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)
Process Samsung TSMC
Transistor Size 10 nm 4 nm
Neural Processor Yes MediaTek APU 655
Graphics Mali-G72 MP18 Mali-G615 MP2
GPU Cores 324 256
GPU Frequency 572 MHz 1047 MHz
FLOPS 370.6 GFLOPS 536.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S9 Plus
751
Realme 15 5G
1014
Geekbench 6 (Multi-Core)
Samsung Galaxy S9 Plus
1909
Realme 15 5G
2916
Geekbench 6 (Single-Core)7511014
Geekbench 6 (Multi-Core)19092916
Geekbench Compute (GPU)n/a2497
Sources: Geekbench v6 [Realme 15 5G]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S9 Plus
467429
Realme 15 5G
728221
CPU142642212437
GPU140091149032
Memory99705185085
UX84991181667
NanoReview Score467429728221
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S9 Plus
2328
Realme 15 5G
n/a
Max Surface Temp.40.7 °Cn/a
Stability95 %n/a
Graphics Test13 fpsn/a
Graphics Score2328n/a
Sources: 3DMark [Samsung Galaxy S9 Plus]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S9 Plus
6261
Realme 15 5G
n/a
Writing score6167n/a
Web score5425n/a
Video editing5459n/a
Data manipulation5611n/a
NanoReview Score6261n/a

Memory

RAM
RAM Size 6 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1794 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity64 GB128 GB
Storage TypeUFS 2.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 8.0 (Upgradeable to Android 10) Android 15
OS Size 13.9 GB n/a
UI Skin One UI 2.5 Realme UI 6.0

Battery

Volume 3500 mAh 7000 mAh
Max Charging Power 15 W 80 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes Qi/PMA (10 W) No
Reverse Charging No No
Fast Charging Yes (40% in 30 min) Yes
Full Charge Time 1:40 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S9 Plus
16:44
Realme 15 5G
n/a
Web Browsing06:05 hn/a
Video Playback10:25 hn/a
Games04:17 hn/a
Standby Mode84 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4032x3024 pixels 8192x6144 pixels
Zoom Optical, 2x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens n/a 112 °
Lenses count Standard: 12 MP
Telephoto: 12 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix12 MP50 MP
Aperturef/1.5 - 2.4f/1.8
Focal length26 mm24 mm
SensorSamsung SAK2L3Sony IMX896
Sensor size1/2.551/2
Pixel size1.4 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix12 MPn/a
Aperturef/2.4n/a
Focal length52 mmn/a
Sensor size1/3.6n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S9 Plus
104
Realme 15 5G
n/a
Video quality
Samsung Galaxy S9 Plus
91
Realme 15 5G
n/a
Overall camera score
Samsung Galaxy S9 Plus
99
Realme 15 5G
n/a
Sources: DxOMark [Samsung Galaxy S9 Plus]

Front camera

Matrix 8 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Aperture f/1.7 n/a
Focal length 25 mm n/a
Sensor Samsung S5K3H1 CMOS
Sensor size 1/3.6 n/a
Pixel size 1.22 μm n/a
Autofocus Phase autofocus (Dual Pixel) n/a
Stabilization Digital Digital
Video resolution 1440p at 30 fps 2160p (4K) at 30 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 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.4
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, 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
NFC* Yes No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850/900/1800MHz
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100WCDMA 1/5/8
LTE Bands*LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)LTE (B1/B3/B5/B8/B40/B41)
LTE category18n/a
5G SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S9 Plus
85.6 dB
Realme 15 5G
n/a

Other

Class Flagship Mid-range
Announced February, 2018 yr July, 2025 yr
Release Date March, 2018 yr July, 2025 yr
Launch Price ($) 840 n/a
MSRP ($) n/a 280
Sensors - 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, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme 15 5G the clear winner in this comparison.

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