Samsung Galaxy A51 vs Samsung Galaxy A30

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Samsung Galaxy A30, Manufactured in March, 2019 with chipsetSamsung Exynos 7 Octa 7904. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51
  • Larger display: 6.5in
  • Higher pixel density: 405ppi
Reasons to choose Samsung Galaxy A30
  • Lighter design: 165g vs 172g

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 3/32 GB
- 3/64 GB
- 4/64 GB

Review

Key Specs Samsung Galaxy A51 and Samsung Galaxy A30
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 6.4 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 405 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 616 nits
HDR support No No
Screen-to-body ratio 87.5 % 84.9 %
Features Always-On Display Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Samsung Galaxy A30
543 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) 158.5 mm (6.24 in)
Width 73.6 mm (2.9 in) 74.7 mm (2.94 in)
Thickness 7.9 mm (0.31 in) 7.7 mm (0.3 in)
Weight 172 g (6.07 oz) 165 g (5.82 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Samsung Galaxy A30
84.9 %

Performance

Testing Samsung Galaxy A51 and Samsung Galaxy A30 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Samsung Exynos 7 Octa 7904
Max Frequency 2300 MHz 1800 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
- 6/1.6 (Cortex-A53)
- 2/1.8 (Cortex-A73)
Process Samsung Samsung
Transistor Size 10 nm 14 nm
Neural Processor Yes No
Graphics Mali-G72 MP3 Mali-G71 MP2
GPU Cores 54 32
GPU Frequency 850 MHz 850 MHz
FLOPS 113.8 GFLOPS 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Samsung Galaxy A30
n/a
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Samsung Galaxy A30
n/a
Geekbench 6 (Single-Core)512n/a
Geekbench 6 (Multi-Core)1556n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Samsung Galaxy A30
190670
CPU8385768199
GPU4516621315
Memory6382851705
UX7590949451
NanoReview Score268760190670
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Samsung Galaxy A30
404
Max Surface Temp.42.2 °Cn/a
Stability95 %97 %
Graphics Test4 fps2 fps
Graphics Score812404

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 32 GB
- 64 GB
Storage TypeUFS 2.0eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 13) Android 9.0 (Upgradeable to Android 11)
OS Size 23 GB 11.2 GB
UI Skin One UI 5.1 One UI 3.1

Battery

Volume 4000 mAh 4000 mAh
Max Charging Power 15 W 15 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 Samsung Adaptive Fast Charge (40% in 30 min)
Full Charge Time 1:50 h 1:50 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Samsung Galaxy A30
17:02
Web Browsing07:15 h06:03 h
Video Playback11:25 h10:24 h
Games04:49 h04:27 h
Standby Mode81 h87 h

Main camera

Matrix 48 MP 16 MP
Photo resolution 8000x6000 pixels 4616x3464 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Standard: 16 MP
Ultra-wide: 5 MP
Features - Bokeh effect
- Pro mode
Pro mode
Main lens
Matrix48 MP16 MP
Aperturef/2.0f/1.7
Focal length26 mm27 mm
SensorSony IMX582n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix12 MP5 MP
Aperturef/2.2f/2.2
Focal length13 mm12 mm
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 32 MP 16 MP
Photo resolution 6560x4928 pixels 4608x3456 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 26 mm
Sensor Samsung S5KGD1 BSI CMOS
Sensor size 1/2.8 1/3.06
Pixel size 0.8 μm 1 μm
Autofocus No No
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
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
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 BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsUMTS 850 / 900 / 1900 / 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)
LTE category1210
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 A51
81.7 dB
Samsung Galaxy A30
68.4 dB

Other

Class Mid-range Mid-range
Announced December, 2019 yr February, 2019 yr
Release Date December, 2019 yr March, 2019 yr
Launch Price ($) 399 305
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall 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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