Realme 14 5G vs Samsung Galaxy M21

Compared 2 smartphones : Realme 14 5G Manufactured in March, 2025, with display 6.67 with chipsetQualcomm Snapdragon 6 Gen 4, vs Samsung Galaxy M21, Manufactured in March, 2020with chipsetSamsung Exynos 7 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Realme 14 5G
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.2 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy M21
  • Higher pixel density: 403ppi
  • Lighter design: 188g vs 196g
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Realme 14 5G and Samsung Galaxy M21
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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.67 in 6.4 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 395 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 2000 nits 630 nits
HDR support n/a No
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 87 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming
Always-On Display
Display test
Peak brightness (auto)
Realme 14 5G
n/a
Samsung Galaxy M21
608 nits
sRGB gamutn/a141.3 %
PWM (Flicker)n/a215 Hz
Response timen/a9 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.1 mm (6.42 in) 159 mm (6.26 in)
Width 75.7 mm (2.98 in) 75.1 mm (2.96 in)
Thickness 8 mm (0.31 in) 8.9 mm (0.35 in)
Weight 196 g (6.91 oz) 188 g (6.63 oz)
Water resistance IP69 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Silver
- Gray
- Pink
- Black
- Blue
- Green
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Realme 14 5G
87 %
Samsung Galaxy M21
84.2 %

Performance

Testing Realme 14 5G and Samsung Galaxy M21 In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 4 Samsung Exynos 7 Octa 9611
Max Frequency 2300 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.2 (Kryo Gold (Cortex-A720))
- 1/2.3 (Kryo Prime (Cortex-A720))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 4 nm 10 nm
Neural Processor Yes Yes
Graphics Adreno 810 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 895 MHz 850 MHz
FLOPS 458.2 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 14 5G
1067
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Realme 14 5G
3080
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)1067514
Geekbench 6 (Multi-Core)30801558
AnTuTu 10
AnTuTu 10
Realme 14 5G
684046
Samsung Galaxy M21
266455
CPU25354676468
GPU17537845756
Memory11718970269
UX13793373962
NanoReview Score684046266455
3DMark Wild Life
3DMark Wild Life
Realme 14 5G
n/a
Samsung Galaxy M21
816
Max Surface Temp.n/a44.1 °C
Stabilityn/a73 %
Graphics Testn/a4 fps
Graphics Scoren/a816

Memory

RAM
RAM Size 12 GB - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 64 GB
- 128 GB
Storage TypeUFS 3.1UFS 2.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10.0 (Upgradeable to Android 12.0)
OS Size n/a 14.5 GB
UI Skin Realme UI 6.0 One Ui 4.1

Battery

Volume 6000 mAh 6000 mAh
Max Charging Power 45 W 15 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 30 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 1:19 h 2:35 h
Battery Life Test
Battery Life
Realme 14 5G
n/a
Samsung Galaxy M21
24:03
Web Browsingn/a10:07 h
Video Playbackn/a13:59 h
Gamesn/a05:35 h
Standby Moden/a115 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (1080p) 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length27 mm26 mm
SensorOmnivision OV50D40 Light Hunter 400Samsung S5KGM2
Sensor size1/2.881/2.0
Pixel size0.61 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a12 mm
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 16 MP 20 MP
Photo resolution 4920x3264 pixels 5184x3888 pixels
Aperture f/2.4 f/2.0
Focal length 24 mm 26 mm
Sensor Sony IMX480 CMOS
Sensor size 1/3.09 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (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 Direct
- Wi-Fi Hotspot
Bluetooth version 5.2 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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 No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM850, GSM900, DCS1800, PCS1900
3G Bandsn/aB1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE categoryn/a12
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Realme 14 5G
n/a
Samsung Galaxy M21
83.8 dB

Other

Class Mid-range Mid-range
Announced March, 2025 yr March, 2020 yr
Release Date March, 2025 yr March, 2020 yr
Launch Price ($) 410 210
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme 14 5G the clear winner in this comparison.

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