Samsung Galaxy M23 vs Samsung Galaxy A51

Compared 2 smartphones : Samsung Galaxy M23 Manufactured in March, 2022, with display 6.6 with chipsetQualcomm Snapdragon 750G, vs Samsung Galaxy A51, Manufactured in December, 2019with chipsetSamsung Exynos 9 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M23
  • Larger display: 6.6in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 198g

Versions

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

Review

Key Specs Samsung Galaxy M23 and Samsung Galaxy A51
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.
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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 PLS TFT Super AMOLED
Size 6.6 in 6.5 in
Resolution 1080x2408 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 400 ppi 405 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 525 nits 400 nits
HDR support No No
Screen-to-body ratio 82.5 % 87.5 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy M23
523 nits
Samsung Galaxy A51
631 nits
sRGB gamut99.9 %98.8 %
PWM (Flicker)n/a242 Hz
Response time29 ms25 ms
Contrast1378:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 165.5 mm (6.52 in) 158.5 mm (6.24 in)
Width 77 mm (3.03 in) 73.6 mm (2.9 in)
Thickness 8.4 mm (0.33 in) 7.9 mm (0.31 in)
Weight 198 g (6.98 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Blue
- Green
- White
- Black
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Samsung Galaxy M23
82.5 %
Samsung Galaxy A51
87.5 %

Performance

Testing Samsung Galaxy M23 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 750G Samsung Exynos 9 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 570 Silver (Cortex-A55))
- 2/2.2 (Kryo 570 Gold (Cortex-A77))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 8 nm 10 nm
Neural Processor Hexagon 694 Yes
Graphics Adreno 619 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 825 MHz 850 MHz
FLOPS 422.4 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M23
799
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Samsung Galaxy M23
2000
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)799512
Geekbench 6 (Multi-Core)20001556
AnTuTu 10
AnTuTu 10
Samsung Galaxy M23
393317
Samsung Galaxy A51
268760
CPU12652783857
GPU9604945166
Memory6872463828
UX10201775909
NanoReview Score393317268760
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M23
1095
Samsung Galaxy A51
812
Max Surface Temp.45.7 °C42.2 °C
Stability99 %95 %
Graphics Test6 fps4 fps
Graphics Score1095812
PCMark 3.0
PCMark 3.0
Samsung Galaxy M23
8759
Samsung Galaxy A51
n/a
Writing score8065n/a
Web score7155n/a
Video editing7088n/a
Data manipulation7383n/a
NanoReview Score8759n/a

Memory

RAM
RAM Size 4 GB - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 2 2
Storage
Storage Capacity128 GB- 64 GB
- 128 GB
Storage TypeUFS 2.1UFS 2.0
Memory CardMicroSDMicroSD

Software

OS Android 12 (Upgradeable to Android 13) Android 10 (Upgradeable to Android 13)
OS Size 15 GB 23 GB
UI Skin One UI 4.1 One UI 5.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 25 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (32% in 30 min) Yes (40% in 35 min)
Full Charge Time 1:43 h 1:50 h
Battery Life Test
Battery Life
Samsung Galaxy M23
n/a
Samsung Galaxy A51
17:53
Web Browsingn/a07:15 h
Video Playbackn/a11:25 h
Gamesn/a04:49 h
Standby Moden/a81 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 480 fps (720p) 960 fps (720p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSamsung S5KJN1Sony IMX582
Sensor size1/2.761/2
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
Sensor size1/4n/a
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels 6560x4928 pixels
Aperture f/2.2 f/2.2
Focal length n/a 26 mm
Sensor CMOS Samsung S5KGD1
Sensor size n/a 1/2.8
Pixel size n/a 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 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
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP 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
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B38/B40/B41/B66)LTE (B850/B900/B1800/B2100/B2600)
LTE categoryn/a12
5G SupportYesNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M23
89.3 dB
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced March, 2022 yr December, 2019 yr
Release Date March, 2022 yr December, 2019 yr
Launch Price ($) 230 399
Sensors - Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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