Compare: Samsung Galaxy S9 vs Samsung Galaxy A51
General Features
-
5.8"Super AMOLED
-
12MPSingle camera
-
4GB RAMExynos 9810
-
3000mAhLi-Ion
Pros
SD Card area available
FM Radio support
OIS support
NFC support
Cons
No Infrared
Brand
Samsung
Announced
Feb 25, 2018
Release Date
Mar 16, 2018
Status
Available
Out Price
About 490 EUR
Display
Type
Super AMOLED
Aspect Ratio and PPI
18.5:9 ratio - 570 ppi density
Size
5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio)
Resolution
1440 x 2960 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 5
Features
HDR10
3D Touch (home button only)
Always-on display
3D Touch (home button only)
Always-on display
BODY
Colors
Midnight Black
Coral Blue
Titanium Gray
Lilac Purple
Burgundy Red
Sunrise Gold
Ice Blue
Dimensions
147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in)
Weight
163 gr (5.75 oz)
Material
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Frame: Aluminum
Certification
IP68
Waterproof
Yes
Sensors
Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
3.5mm Jack
Yes
NFC
Yes
Infrared
No
USB Type
3.1, Type-C 1.0 reversible connector
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Qualcomm Snapdragon 845 SDM845
CPU
Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEA
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
Bits
Cores
8
Process technology
10 nm
GPU
Mali-G72 MP18 - EMEA
Adreno 630 - USA/LATAM, China
Adreno 630 - USA/LATAM, China
GPU Cores
GPU Frequency
OS
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
MEMORY
RAM Capacity
4 GB RAM
RAM Type
Storage
64/128/256 GB
SD Card Slot
microSD, up to 1 TB (uses shared SIM slot) - dual SIM model only
PERFORMANCE SCORES
Antutu Score
249k
Antutu
v7
Geek Bench Score
2281
GeekBench
Single Score
8245
Multi Score
3420
Battery Score
BATTERY
Capacity
3000
Type
Li-Ion
Quick Charge Technology
Video Playback Time
17 hours
Fast Charging
Yes
Wireless Charging
Yes
Main Camera
First Camera
Resolution
Sensor
Aperture
f/1.5
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
12 megapixels
Video Resolution and FPS
3840x2160 (4K UHD) - (60 fps) 1920x1080 (Full) - (240 fps) 1280x720 (HD) - (960 fps)
Optical Stabilisation (OIS)
Yes
Electronic Stabilisation (EIS)
Yes
Slow Motion Video
Yes
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
8 MP
Sensor
Aperture
f/1.7
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
1440p@30fps
Features
Dual video call, Auto-HDR
CONNECTIVITY
Technology
GSM / CDMA / HSPA / EVDO / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA - 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA
4G Bands
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28 (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B66 (1700/2100)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, BDS, GALILEO
Network Speed
HSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat18 1200/200 Mbps
SIM Card Type
Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE, aptX
OTHERS
VoLTE
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
1.180 W/Kg
Head SAR (EU)
0.362 W/Kg
Body SAR (USA)
1.040 W/Kg
Head SAR (USA)
0.260 W/Kg
Additional
Extra
Cooling System
HDMI
General Features
-
6.5"Super AMOLED
-
48MPQuad camera
-
6GB RAMExynos 9611
-
4000mAhLi-Po
Pros
SD Card area available
FM Radio support
NFC support
Dual sim support
Cons
Not water resistant
No Infrared
Brand
Samsung
Announced
Dec 12, 2019
Release Date
Dec 27, 2019
Status
Coming soon
Out Price
Display
Type
Super AMOLED
Aspect Ratio and PPI
20:9 ratio - 405 ppi density
Size
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Resolution
1080 x 2400 pixels
Peak brightness (nit)
Protection
Corning Gorilla Glass 3
Features
BODY
Colors
Prism
Black
White
Blue
Pink
Dimensions
158.5 • 73.6 • 7.9 mm (6.24 • 2.90 • 0.31 in)
Weight
172 gr (6.07 oz)
Material
Back: Plastic
Certification
Waterproof
No
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
3.5mm Jack
Yes
NFC
Yes
Infrared
No
USB Type
2.0, Type-C 1.0 reversible connector, USB On-The-Go
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Samsung Exynos 9611
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Bits
64Bit
Cores
8
Process technology
10 nm
GPU
Mali-G72 MP3
GPU Cores
GPU Frequency
OS
Android 10.0; One UI 2
MEMORY
RAM Capacity
4GB/6GB/8GB
RAM Type
LPDDR4X
Storage
64GB/128GB
SD Card Slot
microSD, up to 1 TB (dedicated slot)
PERFORMANCE SCORES
Antutu Score
156k
Antutu
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
4000
Type
Li-Po
Quick Charge Technology
Video Playback Time
Fast Charging
Yes
Wireless Charging
No
Main Camera
First Camera
Resolution
Sensor
Samsung S5KGM2
Aperture
f/2
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
8000 x 6000 pixels, 48 MP
Video Resolution and FPS
3840x2160 (4K UHD) - (30 fps)
1920x1080 (Full) - (30 fps)
1280x720 (HD) - (30 fps)
1920x1080 (Full) - (30 fps)
1280x720 (HD) - (30 fps)
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Yes
Slow Motion Video
No
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
32 MP
Sensor
Samsung S5KGD1
Aperture
f/2.2
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
1080p@30fps
Features
HDR
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Bands
HSDPA - 850 / 900 / 1900 / 2100
4G Bands
LTE - B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28 (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, GALILEO, BDS
Network Speed
HSPA, LTE-A
SIM Card Type
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
OTHERS
VoLTE
Yes
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
Head SAR (EU)
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
No
HDMI
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