Samsung Galaxy A51 vs Samsung Galaxy A11 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.0
Samsung Galaxy A51
Samsung Galaxy A51 Samsung Galaxy A11
Released · Dec 27, 2019
Released · Jul 02, 2020
6.5-inch
6.4-inch
Quad camera
Triple camera
4GB · 128GB
2GB · 32GB
4000 mAh
4000 mAh
Check prices

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
6.42 x 3.00 x 0.31 inches
163.1 x 76.3 x 8.0 mm
Weight
6.07 oz (172.0 g) 6.24 oz (177.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue White, Red, Black, Blue

Display

Size
6.5-inch 6.4-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI 1560x720px, 19.5:9 ratio, 268 PPI
Technology
Super AMOLED IPS LCD
Refresh rate
60Hz 60Hz
Screen-to-body
87.37 % 80.92 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm) Qualcomm Snapdragon 450 SDM450 (14 nm)
Processor
Octa-core
2300 MHz
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
Octa-core
8x 1.8GHz Cortex-A53
GPU
Mali-G72 MP3 Adreno 506
RAM
4GB (LPDDR4) 2GB (LPDDR3)
Internal storage
128GB, available to use: 105.9 GB 32GB, available to use: 20.3 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10), Samsung One UI Android (11, 10)

Battery

Capacity
4000 mAh 4000 mAh
Type
Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Quad camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
13 MP (Autofocus)
Aperture size: F1.8
Focal length: 27 mm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
5 MP (Ultra-wide)
Aperture size: F2.2
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
2 MP (Depth information)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
1920x1080 (Full HD) (30 fps)
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD) 8 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 4.2
WLAN
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C, USB 2.0
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers) Accelerometer
Other
NFC, ANT+ UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019
FCC ID value: A3LSMA515FN
Date approved: May 07, 2020
FCC ID value: ZCASMA115U
Measured SAR
Head: 0.89 W/kg
Body: 1.18 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 1.12 W/kg
Phablet: 2.76 W/kg
Head: 1.08 W/kg
Body: 0.76 W/kg
Simultaneous Transmission: 1.45 W/kg
Wireless Router: 0.76 W/kg

Buyers information

MSRP
$ 400 $ 180

Availability

Officially announced
Dec 12, 2019 Mar 13, 2020

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
for AT&T
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 29(700 d), 30(2300 WCS), 66(AWS-3)
3G Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
FCC approval Date approved: Apr 27, 2020
FCC ID value: ZCASMA115A
Measured SAR Head: 0.66 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.55 W/kg
Wireless Router: 1.03 W/kg
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for U.S. Cellular
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3), 71(600)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for AT&T
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Sprint
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Europe
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless