Samsung Galaxy A51 vs Samsung Galaxy A15 5G Specs Comparison

Availability

Officially announced
Dec 12, 2019	Dec 11, 2023
Prices (MSRP)
$400	$200

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.30 x 3.02 x 0.33 inches 160.1 x 76.8 x 8.4 mm
Weight
6.07 oz / 172.0 g	7.05 oz / 200.0 g
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	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	Blue Black, Light Blue

Display

Size
6.5-inch, 87.37% screen-to-body	6.5-inch, 84.49% screen-to-body
Type
Super AMOLED, 60Hz	Super AMOLED, 90Hz, 800 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2340x1080px, 19.5:9 ratio, 396 PPI
Protection
Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	1072 (Average)
Bright Min
1.7 (Good)	1.7 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Mediatek Dimensity 6100+ (6 nm)
Processor
Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 2x2.2GHz Cortex-A76 6x2.0G​Hz Cortex-A55
GPU
Mali-G72 MP3	Mali-G57 MC2
Memory
4GB (LPDDR4)/128GB 6GB/128GB	4GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1000 GB
OS
Android (11, 10)	Android (14)

PhoneArena Performance Test

GeekBench 6 Single
Untested	683
GeekBench 6 Multi
Untested	1728
3D Mark High
Untested	340
3D Mark Low
Untested	335

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Polymer	5000 mAh
Charging
Fast charging	Fast charging
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

6h 43min

Browsing

10h 41min

Video

12h 15min

Gaming

10h 19min

Learn more on our PhoneArena Battery Test Results page

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	50 MP (Autofocus) Aperture size: F1.8
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 (Macro) 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
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS	1080p (30 fps)
Front
32 MP (HDR) Video capture: 1080p	13 MP Video capture: 1080p

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

122

Overall

136

Photo

107

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+	NFC

Discover more

Full Specs Samsung Galaxy A51 Specs PA Review Samsung Galaxy A51 Review

Full Specs Samsung Galaxy A15 5G Specs PA Review Samsung Galaxy A15 5G Review

Multimedia

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

Cellular

5G Bands
	n1, n3, n5, n7, n8, n28, n40, n41, n66, n71, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66
4G (TDD) Bands
38, 39, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A
Dual SIM
	Yes
SIM type
Nano SIM	Dual Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
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

Alternative variants

with 128GB storage

Memory	6GB/128GB

for Verizon

4G (FDD) Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands	5, 8, 2, 1

for AT&T

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Sprint

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Europe

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands	38, 40, 41
Dual SIM	Yes