Home Phone comparison Samsung Galaxy S23 and Realme 15T - Which is better?

Samsung Galaxy S23 vs Realme 15T

75 out 100
Samsung Galaxy S23
VS
66 out 100
Realme 15T
Samsung Galaxy S23
Realme 15T

Compared 2 smartphones : Samsung Galaxy S23 Manufactured in February, 2023, with display 6.1 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Realme 15T, Manufactured in September, 2025with chipsetMediaTek Dimensity 6400 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 S23
  • Higher pixel density: 425ppi
  • Lighter design: 168g vs 181g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Realme 15T
  • Larger display: 6.57in
  • Higher battery capacity: 7000mAh vs 3900mAh
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S23 and Realme 15T
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 S23
vs
Realme 15T

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.1 in 6.57 in
Resolution 1080x2340 pixels 1080x2372 pixels
Aspect ratio 19.5:9 20:9
Pixel density 425 ppi 401 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (24-120 Hz) Yes (60-120 Hz)
Max brightness 800 nits 4000 nits
HDR support Yes HDR10+ No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 88 % 87.6 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S23
1197 nits
Realme 15T
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)240 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S23]

Design & Build

Design and ergonomics comparison
Height 146.3 mm (5.76 in) 158.36 mm (6.23 in)
Width 70.9 mm (2.79 in) 75.19 mm (2.96 in)
Thickness 7.6 mm (0.3 in) 7.79 mm (0.31 in)
Weight 168 g (5.93 oz) 181 g (6.38 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Gray
- Green
- Purple
- Yellow		 - Silver
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S23
88 %
Realme 15T
87.6 %

Performance

Testing Samsung Galaxy S23 and Realme 15T In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy MediaTek Dimensity 6400 Max
Max Frequency 3360 MHz 2500 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor Hexagon Yes
Graphics Adreno 740 Mali-G57 MP2
GPU Cores 1536 64
GPU Frequency 719 MHz 1072 MHz
FLOPS 2089 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23
1831
Realme 15T
808
Geekbench 6 (Multi-Core)
Samsung Galaxy S23
4914
Realme 15T
2046
Geekbench 6 (Single-Core)1831808
Geekbench 6 (Multi-Core)49142046
Geekbench Compute (GPU)94221424
Sources: Geekbench v6 [Samsung Galaxy S23], [Realme 15T]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23
1522811
Realme 15T
605158
CPU380535223513
GPU59889648052
Memory273271167188
UX270109166405
NanoReview Score1522811605158
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23
12039
Realme 15T
n/a
Max Surface Temp.34.3 °Cn/a
Stability60 %n/a
Graphics Test72 fpsn/a
Graphics Score12039n/a
Sources: 3DMark [Samsung Galaxy S23]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23
15602
Realme 15T
n/a
Writing score19330n/a
Web score14262n/a
Video editing7840n/a
Data manipulation12674n/a
NanoReview Score15602n/a

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		128 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 14) Android 15
OS Size 29.7 GB n/a
UI Skin One UI 6.1 Realme UI 6.0

Battery

Volume 3900 mAh 7000 mAh
Max Charging Power 25 W 60 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (10 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (57% in 30 min) Yes
Full Charge Time 1:16 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S23
22:02
Realme 15T
n/a
Web Browsing08:12 hn/a
Video Playback13:41 hn/a
Games05:20 hn/a
Standby Mode109 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8160x6120 pixels 8192x6144 pixels
Zoom Optical, 3x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length23 mm27 mm
SensorSamsung S5KGN3Omnivision OV50D40 Light Hunter 400
Sensor size1/1.571/2.88
Pixel size1 μm0.61 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MPn/a
Aperturef/2.4n/a
Focal length70 mmn/a
SensorSamsung S5K3K1n/a
Sensor size1/3.94n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX564n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S23
129
Realme 15T
n/a
Video quality
Samsung Galaxy S23
137
Realme 15T
n/a
Overall camera score
Samsung Galaxy S23
133
Realme 15T
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a
Sources: DxOMark [Samsung Galaxy S23]

Front camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels 8192x6144 pixels
Aperture f/2.2 f/1.8
Focal length 26 mm 27 mm
Sensor Samsung S5K3LU Omnivision OV50D40 Light Hunter 400
Sensor size 1/3.24 1/2.88
Pixel size 1.12 μm 0.61 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.3 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/1700/1900/2100MhzGSM 850/900/1800MHz
3G BandsUMTS 6/5/8/34WCDMA 1/5/8
LTE Bands*LTE (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B16/B17/B18/B19/B20/B25/B27/B28/B29/B30/B38/B39/B40/B41/B66/B71)LTE (B1/B3/B5/B8/B40/B41)
LTE category20n/a
5G SupportYesYes

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 S23
91.5 dB
Realme 15T
n/a

Other

Class Flagship Mid-range
Announced February, 2023 yr September, 2025 yr
Release Date February, 2023 yr September, 2025 yr
Launch Price ($) 799 n/a
MSRP ($) n/a 230
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 No Yes, 60 W

Note

Samsung Galaxy S23:

The 128GB version uses slower UFS 3.1 memory, while the 256GB and 512GB models have UFS 4.0.

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

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