Samsung Galaxy A51 5G vs Samsung Galaxy A16 vs Google Pixel 9a Specs Comparison

Availability

Officially announced
Apr 08, 2020	Oct 24, 2024	Mar 19, 2025
Prices (MSRP)
$500	$200	8GB/128 - $499 | €599 8GB/256GB - $599 | €649

Design

Dimensions
6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm	6.47 x 3.07 x 0.31 inches 164.4 x 77.9 x 7.9 mm	6.09 x 2.88 x 0.35 inches (~0.37 inches with camera bump) 154.7 x 73.2 x 8.9mm (~9.4 mm with camera bump)
Weight
6.60 oz / 187.0 g	7.05 oz / 200.0 g	6.56 oz / 186.0 g
Materials
Back: Plastic Frame: Aluminum	Back: Plastic Frame: Plastic	Back: Plastic Frame: Aluminum
Resistance
		Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism cube black	Blue Black, Light Gray, Gold, Light Green	Obsidian, Porcelain, Iris, Peony

Display

Size
6.5-inch, 87.37% screen-to-body	6.7-inch, 85.99% screen-to-body	6.3-inch, 79.39% screen-to-body
Type
Super AMOLED, 60Hz	Super AMOLED, 90Hz, 800 nits	P-OLED, 120Hz, HDR, 2700 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2340x1080px, 19.5:9 ratio, 385 PPI	2424x1080px, 20:9 ratio, 421 PPI
Protection
Corning Gorilla Glass 3		Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested	2561 (Excellent)
Bright Min
Untested	Untested	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 980 (8 nm)	Mediatek Helio G99 (6 nm)	Google Tensor G4 (4 nm)
Processor
Octa-core 2x2.2GHz Cortex-A77 6x1.8G​Hz Cortex-A55	Octa-core 2x2.2GHz Cortex-A76 6x2.0G​Hz Cortex-A55	Octa-core 1x3.1GHz Cortex-X4 3x2.6GH​z Cortex-A720 4x1.9​2GHz Cortex-A520
GPU
Mali-G76 MP5	Mali-G57 MC2	Mali-G715 MC7
Memory
6GB (LPDDR4)/128GB 8GB/128GB	4GB/128GB	8GB (LPDDR5X)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
microSDXC up to 1000 GB	microSDXC up to 1000 GB	not expandable
OS
Android (11, 10)	Android (14)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
Untested	Untested	1687
GeekBench 6 Multi
Untested	Untested	4385
3D Mark High
Untested	Untested	2625
3D Mark Low
Untested	Untested	2124

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4500 mAh, Li - Polymer	5000 mAh	5100 mAh, Li - Ion
Charging
Fast charging	Fast charging	Fast charging Qi wireless charging
Charge speed
Wired: 25.0W	Wired: 25.0W	Wired: 23.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

8h 11min

Browsing

19h 39min

Video

10h 57min

Gaming

12h 30min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple camera	Dual 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	48 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 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	13 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.1" Pixel size: 1.12 μm
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	Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS		4K UHD (60 fps), 1080p (240 fps)
Front
32 MP (HDR) Video capture: 1080p	13 MP Video capture: 1080p	13 MP Video capture: 4K UHD (30 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

134

Overall

143

Photo

126

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3	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	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC, ANT+	NFC	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers	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
n41, n71, SA, NSA		n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71
TDD Bands
38, 39, 40, 41	38, 40, 41	38, 41
3G Bands
1, 2, 4, 5	1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
	Dual Nano SIM	Nano SIM, eSIM
HD Voice
Yes	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U
Measured SAR
Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg

Alternative variants

with 8GB RAM

Memory	8GB

With 512GB internal storage

Memory	512GB

for Europe

Colors	Prism cube black, Prism cube white
5G Bands	n41, n78, SA, NSA
LTE Bands	1, 3, 4, 5, 7, 8, 12, 20, 28
TDD Bands	38, 40, 41
3G Bands	5, 8, 2, 1
Dual SIM	Yes
SIM type	Nano SIM

for Verizon

System chip	Snapdragon 765G SM7250-AB (7 nm)
Processor	Octa-core 2400 MHz Kryo 475
GPU	Adreno 620
Colors	Prism bricks blue
5G Bands	n260, n261, mmWave
LTE Bands	2, 3, 4, 5, 7, 12, 13, 20, 28, 66
3G Bands	5, 8, 2, 1
FCC approval	Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V
Measured SAR	Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg
Prices (MSRP)	$550

Discover more

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