Samsung Galaxy A51 vs Samsung Galaxy A17 5G Specs Comparison

Availability

Officially announced
Dec 12, 2019	Aug 08, 2025
Prices (MSRP)
$400	€239

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.47 x 3.07 x 0.30 inches 164.4 x 77.9 x 7.5 mm
Weight
6.07 oz / 172.0 g	6.77 oz / 192.0 g
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Resistance
	Water, Dust; IP54
Biometrics
2D Face unlock, Optical in-screen fingerprint
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	Black, Gray, Blue

Display

Size
6.5-inch, 87.37% screen-to-body	6.7-inch, 85.99% screen-to-body
Type
Super AMOLED, 60Hz	Super AMOLED, 90Hz, 800 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2340x1080px, 20:9 ratio, 385 PPI
Protection
Corning Gorilla Glass 3
Features
	HDR support, Ambient light sensor
Front cover display
	Scratch-resistant glass (Corning Gorilla Glass Victus)

PhoneArena Display Test

Bright Max (20% APL)
Untested	1081 (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)	Exynos 1330 S5E8535 (5 nm)
Processor
Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 2x 2.4GHZ Cortex-A78 4x 2.4GHZ Cortex-A55
GPU
Mali-G72 MP3	Mali-G68 MP2
Memory
4GB (LPDDR4)/128GB 6GB/128GB	8GB/128GB 8GB/256GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10)	Android (15), up to 6 OS updates

PhoneArena Performance Test

GeekBench 6 Single
Untested	723
GeekBench 6 Multi
Untested	1910
3D Mark High
Untested	346
3D Mark Low
Untested	338

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Polymer	5000 mAh
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

8h 6min

Browsing

17h 36min

Video

13h 26min

Gaming

8h 37min

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 (OIS, PDAF) Aperture size: F1.8 Sensor size: 1/2.76" Pixel size: 0.64 μm
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 Sensor size: 1/5"
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	Yes
Front
32 MP (HDR) Video capture: 1080p (30 fps)	13 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

124

Overall

136

Photo

112

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	Yes Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, 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

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
	n1, n3, n5, n7, n8, n20, n28, n40, n41, n66, n77, n78, 5G Ready
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 Europe version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66	1, 2, 3, 4, 5, 6, 7, 8, 12, 17, 20, 28, 66
TDD Bands
38, 39, 41 Europe version - 38, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 6, 8, 9
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A
Dual SIM
	Yes
SIM type
Nano SIM

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

LTE Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands	5, 8, 2, 1

for AT&T

LTE Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
TDD Bands	41

for Sprint

LTE Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
TDD Bands	41

for Europe

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

Discover more

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

Full Specs Samsung Galaxy A17 5G Specs PA Review Samsung Galaxy A17 5G Review