Samsung Galaxy A71 vs Samsung Galaxy A51

Compared 2 smartphones : Samsung Galaxy A71 Manufactured in February, 2020, with display 6.7 with chipsetQualcomm Snapdragon 730, 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 A71
  • Larger display: 6.7in
  • Higher battery capacity: 4500mAh vs 4000mAh
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 179g

Versions

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

Review

Key Specs Samsung Galaxy A71 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.
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

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.7 in 6.5 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 393 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 600 nits 400 nits
HDR support No No
Screen-to-body ratio 87.1 % 87.5 %
Features Always-On Display Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A71
513 nits
Samsung Galaxy A51
631 nits
sRGB gamut98.2 %98.8 %
PWM (Flicker)247 Hz242 Hz
Response time3.8 ms25 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.6 mm (6.44 in) 158.5 mm (6.24 in)
Width 76 mm (2.99 in) 73.6 mm (2.9 in)
Thickness 7.7 mm (0.3 in) 7.9 mm (0.31 in)
Weight 179 g (6.31 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Silver
- Blue
- Pink
- White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy A71
87.1 %
Samsung Galaxy A51
87.5 %

Performance

Testing Samsung Galaxy A71 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 730 Samsung Exynos 9 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 470 Silver (Cortex-A55))
- 2/2.2 (Kryo 470 Gold (Cortex-A76))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 8 nm 10 nm
Neural Processor Qualcomm Hexagon 688 Yes
Graphics Adreno 618 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 700 MHz 850 MHz
FLOPS 358.4 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A71
690
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Samsung Galaxy A71
1826
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)690512
Geekbench 6 (Multi-Core)18261556
AnTuTu 10
AnTuTu 10
Samsung Galaxy A71
360125
Samsung Galaxy A51
268760
CPU13012583857
GPU7036545166
Memory6529663828
UX9362675909
NanoReview Score360125268760
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A71
740
Samsung Galaxy A51
812
Max Surface Temp.37.5 °C42.2 °C
Stability97 %95 %
Graphics Test4 fps4 fps
Graphics Score740812
PCMark 3.0
PCMark 3.0
Samsung Galaxy A71
7257
Samsung Galaxy A51
n/a
Writing score8417n/a
Web score5183n/a
Video editing5492n/a
Data manipulation6022n/a
NanoReview Score7257n/a

Memory

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

Software

OS Android 10 (Upgradeable to Android 13) Android 10 (Upgradeable to Android 13)
OS Size 23.8 GB 23 GB
UI Skin One UI 5.0 One UI 5.1

Battery

Volume 4500 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 (50% in 35 min) Yes (40% in 35 min)
Full Charge Time 1:22 h 1:50 h
Battery Life Test
Battery Life
Samsung Galaxy A71
21:09
Samsung Galaxy A51
17:53
Web Browsing07:51 h07:15 h
Video Playback12:54 h11:25 h
Games04:49 h04:49 h
Standby Mode107 h81 h

Main camera

Matrix 64 MP 48 MP
Photo resolution 9000x7000 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 960 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 64 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix64 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSamsung Bright S5KGW1Sony IMX582
Sensor size1/1.71/2
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy A71
89
Samsung Galaxy A51
n/a
Video quality
Samsung Galaxy A71
74
Samsung Galaxy A51
n/a
Overall camera score
Samsung Galaxy A71
84
Samsung Galaxy A51
n/a

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6560x4928 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5KGD1 Samsung S5KGD1
Sensor size 1/2.8 1/2.8
Pixel size 0.8 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy A71
100
Samsung Galaxy A51
n/a
Video quality
Samsung Galaxy A71
119
Samsung Galaxy A51
n/a

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
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeActiveDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM GSM850, 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/B13/B17/B20/B28/B66)LTE (B850/B900/B1800/B2100/B2600)
LTE category1212
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A71
85.2 dB
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced December, 2019 yr December, 2019 yr
Release Date February, 2020 yr December, 2019 yr
Launch Price ($) 350 399
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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