Home Phone comparison Samsung Galaxy M12 and Realme 15T - Which is better?

Samsung Galaxy M12 vs Realme 15T

39 out 100
Samsung Galaxy M12
VS
66 out 100
Realme 15T
Samsung Galaxy M12
Realme 15T

Compared 2 smartphones : Samsung Galaxy M12 Manufactured in April, 2021, with display 6.5 with chipsetSamsung Exynos 850, vs Realme 15T, Manufactured in September, 2025 with 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 M12
  • Supports Dolby Atmos
Reasons to choose Realme 15T
  • Larger display: 6.57in
  • Higher pixel density: 401ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 181g vs 214g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy M12 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 M12
vs
Realme 15T

Display

Display quality comparison
Type PLS TFT AMOLED
Size 6.5 in 6.57 in
Resolution 720x1600 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 270 ppi 401 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 450 nits 4000 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 82 % 87.6 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy M12
424 nits
Realme 15T
n/a
sRGB gamut93.3 %n/a
Response time39 msn/a
Contrast926:1n/a
Sources: NotebookCheck [Samsung Galaxy M12]

Design & Build

Design and ergonomics comparison
Height 164 mm (6.46 in) 158.36 mm (6.23 in)
Width 75.9 mm (2.99 in) 75.19 mm (2.96 in)
Thickness 9.7 mm (0.38 in) 7.79 mm (0.31 in)
Weight 214 g (7.55 oz) 181 g (6.38 oz)
Water resistance No IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Silver
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Samsung Galaxy M12
82 %
Realme 15T
87.6 %

Performance

Testing Samsung Galaxy M12 and Realme 15T In benchmarks
Processor
Chipset Samsung Exynos 850 MediaTek Dimensity 6400 Max
Max Frequency 2000 MHz 2500 MHz
CPU Cores 8 (8) 8 (2 + 6)
Architecture 8/2 (Cortex-A55) - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process Samsung TSMC
Transistor Size 8 nm 6 nm
Neural Processor No Yes
Graphics Mali-G52 MP1 Mali-G57 MP2
GPU Cores 24 64
GPU Frequency 680 MHz 1072 MHz
FLOPS 40.8 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M12
481
Realme 15T
808
Geekbench 6 (Multi-Core)
Samsung Galaxy M12
1522
Realme 15T
2046
Geekbench 6 (Single-Core)481808
Geekbench 6 (Multi-Core)15222046
Geekbench Compute (GPU)n/a1424
Sources: Geekbench v6 [Realme 15T]
AnTuTu 10
AnTuTu 10
Samsung Galaxy M12
185374
Realme 15T
605158
CPU64990223513
GPU2675348052
Memory54180167188
UX39451166405
NanoReview Score185374605158
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M12
429
Realme 15T
n/a
Max Surface Temp.41.7 °Cn/a
Stability98 %n/a
Graphics Test2 fpsn/a
Graphics Score429n/a
Sources: 3DMark [Samsung Galaxy M12]
PCMark 3.0
PCMark 3.0
Samsung Galaxy M12
5926
Realme 15T
n/a
Writing score5648n/a
Web score5853n/a
Video editing5741n/a
Data manipulation4734n/a
NanoReview Score5926n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		128 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 11 (Upgradeable to Android 13) Android 15
OS Size 14 GB n/a
UI Skin One UI Core 5.0 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 15 W 60 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (40% in 60 min) Yes
Full Charge Time 2:30 h n/a
Battery Life Test
Battery Life
Samsung Galaxy M12
22:27
Realme 15T
n/a
Web Browsing08:52 hn/a
Video Playback12:52 hn/a
Games05:12 hn/a
Standby Mode113 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No 120 fps (720p)
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 5 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal lengthn/a27 mm
SensorSamsung S5KGM2Omnivision OV50D40 Light Hunter 400
Sensor size1/21/2.88
Pixel size0.8 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix5 MPn/a
Aperturef/2.2n/a
Sensor size1/5.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 8 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Aperture f/2.0 f/1.8
Focal length n/a 27 mm
Sensor CMOS Omnivision OV50D40 Light Hunter 400
Sensor size n/a 1/2.88
Pixel size n/a 0.61 μm
Autofocus No No
Stabilization No Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.3
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 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 Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850/900/1800MHz
3G BandsUMTS B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)WCDMA 1/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B66)LTE (B1/B3/B5/B8/B40/B41)
LTE category7n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy M12
77.6 dB
Realme 15T
n/a

Other

Class Budget Mid-range
Announced November, 2020 yr September, 2025 yr
Release Date April, 2021 yr September, 2025 yr
Launch Price ($) 180 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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