Samsung Galaxy A51 vs Google Pixel 7a Specs Comparison

Availability

Officially announced
Dec 12, 2019	May 10, 2023
Prices (MSRP)
$400	$499 | €509

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.00 x 2.87 x 0.35 inches (~0.41 inches with camera bump) 152.4 x 72.9 x 9 mm (~10.50 mm with camera bump)
Weight
6.07 oz / 172.0 g	6.81 oz / 193.0 g
Materials
Back: Plastic Frame: Plastic
Resistance
	Water, Dust; IP67
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	Charcoal, Snow, Sea, and Coral

Display

Size
6.5-inch, 87.37% screen-to-body	6.1-inch, 80.86% screen-to-body
Type
Super AMOLED, 60Hz	OLED, 90Hz, HDR
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2400x1080px, 20:9 ratio, 431 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass

PhoneArena Display Test

Bright Max (20% APL)
Untested	1277 (Average)
Bright Min
1.7 (Good)	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Google Tensor G2 (5 nm)
Processor
Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 2x2.85GHz Cortex-X1 2x2.35G​Hz Cortex-A78 4x1.80​GHz Cortex-A55
GPU
Mali-G72 MP3	Mali-G710 MP7
Memory
4GB (LPDDR4)/128GB 6GB/128GB	8GB/128GB (UFS 3.1)
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10)	Android (15, 14, 13)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1437
GeekBench 6 Multi
Untested	3461
3D Mark High
Untested	1631
3D Mark Low
Untested	1095

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Polymer	4385 mAh, Li - Polymer
Charging
Fast charging	Fast charging Qi wireless charging
Charge speed
	Wired: 18.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

6h 4min

Browsing

15h 27min

Video

9h 7min

Gaming

5h 27min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad 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	64 MP Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.73" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	13 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
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	4K UHD (60 fps), 1080p
Front
32 MP (HDR) Video capture: 1080p	13 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

133

Overall

140

Photo

127

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,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
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 Google Pixel 7a Specs PA Review Google Pixel 7a Review

Multimedia

Headphones
3.5mm jack	No 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	Noise cancellation

Cellular

5G Bands
	n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n30, n38, n41, n48, n66, n71, n77, n78, n260, n261, 5G Ready
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, 13, 14, 17, 20, 21, 25, 28, 32, 66
4G (TDD) Bands
38, 39, 41	38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 3, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	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

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