Home Phone comparison Samsung Galaxy A51 and Samsung Galaxy A27 5G - Which is better?

Samsung Galaxy A51 vs Samsung Galaxy A27 5G

41 out 100
Samsung Galaxy A51
VS
57 out 100
Samsung Galaxy A27 5G
Samsung Galaxy A51
Samsung Galaxy A27 5G

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Samsung Galaxy A27 5G, Manufactured in June, 2026 with chipsetQualcomm Snapdragon 6 Gen 3. 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 A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 200g
Reasons to choose Samsung Galaxy A27 5G
  • Larger display: 6.7in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.1 vs 5

Versions

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

Review

Key Specs Samsung Galaxy A51 and Samsung Galaxy A27 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
Smartphones:
Samsung Galaxy A51
vs
Samsung Galaxy A27 5G

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 800 nits
HDR support No No
Screen-to-body ratio 87.5 % 86.7 %
Features Always-On Display - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Samsung Galaxy A27 5G
n/a
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 162.4 mm (6.39 in)
Width 73.6 mm (2.9 in) 78.2 mm (3.08 in)
Thickness 7.9 mm (0.31 in) 7.8 mm (0.31 in)
Weight 172 g (6.07 oz) 200 g (7.05 oz)
Water resistance No IP64
Back panel Plastic Glass
Frame Plastic Plastic
Colors - White
- Black		 - Black
- Blue
- Green
- Pink
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Samsung Galaxy A27 5G
86.7 %

Performance

Testing Samsung Galaxy A51 and Samsung Galaxy A27 5G In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Qualcomm Snapdragon 6 Gen 3
Max Frequency 2300 MHz 2400 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)
Process Samsung Samsung
Transistor Size 10 nm 4 nm
Neural Processor Yes Hexagon
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 A27 5G
1021
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Samsung Galaxy A27 5G
2988
Geekbench 6 (Single-Core)5121021
Geekbench 6 (Multi-Core)15562988
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Samsung Galaxy A27 5G
728519
CPU83857299637
GPU4516690718
Memory63828121436
UX75909216728
NanoReview Score268760728519
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Samsung Galaxy A27 5G
n/a
Max Surface Temp.42.2 °Cn/a
Stability95 %n/a
Graphics Test4 fpsn/a
Graphics Score812n/a
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.0UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 13) Android 16
OS Size 23 GB 24 GB
UI Skin One UI 5.1 One UI 8.5

Battery

Volume 4000 mAh 5000 mAh
Max Charging Power 15 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (40% in 35 min) Yes (45% in 30 min)
Full Charge Time 1:50 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Samsung Galaxy A27 5G
n/a
Web Browsing07:15 hn/a
Video Playback11:25 hn/a
Games04:49 hn/a
Standby Mode81 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 Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) 240 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 50 MP
Ultra-wide: 5 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mm27 mm
SensorSony IMX582Samsung ISOCELL S5KJN1
Sensor size1/21/2.76 (0.36)
Pixel size0.8 μm0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix12 MP5 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
Sensor sizen/a1/5 (0.2)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 13 MP
Photo resolution 6560x4928 pixels 4160x3120 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Samsung S5KGD1 CMOS
Sensor size 1/2.8 n/a
Pixel size 0.8 μm n/a
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) 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 5.1
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 n/a
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoYes
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM850, GSM900, DCS1800, PCS1900
3G BandsUMTS 850 / 900 / 1900 / 2100UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B32/B38/B40/B41/B66)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes n/a
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Samsung Galaxy A27 5G
n/a

Other

Class Mid-range Mid-range
Announced December, 2019 yr June, 2026 yr
Release Date December, 2019 yr June, 2026 yr
Launch Price ($) 399 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint 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 A27 5G the clear winner in this comparison.

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