Samsung Galaxy A51 vs Samsung Galaxy A57 5G

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Samsung Galaxy A57 5G, Manufactured in April, 2026with chipsetSamsung Exynos 1680. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 179g
Reasons to choose Samsung Galaxy A57 5G
  • Larger display: 6.7in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Built-in eSIM

Versions

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

Review

Key Specs Samsung Galaxy A51 and Samsung Galaxy A57 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.
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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 Super AMOLED Super AMOLED
Size 6.5 in 6.7 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 405 ppi 385 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 400 nits 1200 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 87.5 % 88.8 %
Features Always-On Display - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Samsung Galaxy A57 5G
1883 nits
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 161.5 mm (6.36 in)
Width 73.6 mm (2.9 in) 76.8 mm (3.02 in)
Thickness 7.9 mm (0.31 in) 6.9 mm (0.27 in)
Weight 172 g (6.07 oz) 179 g (6.31 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Gray
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Samsung Galaxy A57 5G
88.8 %

Performance

Testing Samsung Galaxy A51 and Samsung Galaxy A57 5G In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Samsung Exynos 1680
Max Frequency 2300 MHz 2900 MHz
CPU Cores 8 (4 + 4) 8 (1 + 4 + 3)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
- 3/1.95 (Cortex-A520)
- 4/2.6 (Cortex-A720)
- 1/2.9 (Cortex-A720)
Process Samsung Samsung
Transistor Size 10 nm 4 nm
Neural Processor Yes Yes
Graphics Mali-G72 MP3 n/a
GPU Cores 54 n/a
GPU Frequency 850 MHz n/a
FLOPS 113.8 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Samsung Galaxy A57 5G
1389
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Samsung Galaxy A57 5G
4453
Geekbench 6 (Single-Core)5121389
Geekbench 6 (Multi-Core)15564453
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Samsung Galaxy A57 5G
1390055
CPU83857510705
GPU45166374535
Memory63828204469
UX75909300346
NanoReview Score2687601390055
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Samsung Galaxy A57 5G
n/a
Max Surface Temp.42.2 °Cn/a
Stability95 %n/a
Graphics Test4 fpsn/a
Graphics Score812n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
8 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz n/a
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
128 GB
Storage TypeUFS 2.0UFS 3.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) Android 16
OS Size 23 GB n/a
UI Skin One UI 5.1 One UI 8.5

Battery

Volume 4000 mAh 5000 mAh
Max Charging Power 15 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No n/a
Fast Charging Yes (40% in 35 min) Yes (64% in 30 min)
Full Charge Time 1:50 h 1:09 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Samsung Galaxy A57 5G
24:32
Web Browsing07:15 h10:41 h
Video Playback11:25 h20:15 h
Games04:49 h05:40 h
Standby Mode81 h85 h

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 Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 240 fps (720p)
Wide-angle lens 120 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Standard: 50 MP
Ultra-wide: 12 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mmn/a
SensorSony IMX582Sony IMX906
Sensor size1/21/1.56 (0.64)
Pixel size0.8 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
Sensorn/aSony IMX258
Sensor sizen/a1/3.06 (0.33)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 12 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Samsung S5KGD1 n/a
Sensor size 1/2.8 1/3.2 (0.31)
Pixel size 0.8 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) 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 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- 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 6.0
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 Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600n/a
3G BandsUMTS 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)n/a
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Samsung Galaxy A57 5G
n/a

Other

Class Mid-range Mid-range
Announced December, 2019 yr March, 2026 yr
Release Date December, 2019 yr April, 2026 yr
Launch Price ($) 399 n/a
MSRP ($) n/a 549
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy A57 5G the clear winner in this comparison.

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