Samsung Galaxy S21 (US/CH) vs. Samsung Galaxy A55 vs. Google Pixel 8a

Commercialization

Brand

Samsung

Samsung

Google

Model

Galaxy S21

Galaxy A55

Pixel 8a

Known Since Year

Sold since year

Discontinued since year

Colors Available

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Iceblue, Lilac, Navy, Lemon

Obsidian, Porcelain, Bay, Aloe

Communications

Cell Technology

5G

5G

5G

SIM/Chip Type

Nano-SIM and eSIM

Nano-SIM, eSIM

Nano-SIM and eSIM

Cell Bands

SM-G991U1: 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave
SM-G991B: 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6

1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6

G8HHN, USA: 1, 2, 3, 5, 7, 8, 20, 28, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave
GKV4X, NA: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6
G6GPR, Intl: 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 76, 77, 78 SA/NSA/Sub6

WiFi

802.11 a/b/g/n/ac/6, dual-band

802.11 a/b/g/n/ac/6, dual-band

802.11 a/b/g/n/ac/6e, dual/tri-band

Bluetooth

5.0, A2DP, LE

5.3, A2DP, LE

5.3, A2DP, LE

Geolocation

GPS, GLONASS, BDS, GALILEO

GPS, GALILEO, GLONASS, BDS, QZSS

GPS, GLONASS, GALILEO, BDS, QZSS, NavIC

NFC

Yes

Yes

Yes

Broadcast Radio

FM radio

No

No

Physical Ports

Data Connector

USB Type-C

USB Type-C

USB Type-C

Data Technology

USB Type-C 3.2, OTG

USB Type-C 2.0, OTG

USB Type-C 3.2

Headphones Connector

No

No

No

CPU, Memory and Storage

Chipset

Qualcomm SM8350 Snapdragon 888 5G (5 nm)

Exynos 1480 (4 nm)

Google Tensor G3

CPU(s)

Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)

Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)

Nona-core (1x3.0 GHz Cortex-X3 & 4x2.45 GHz Cortex-A715 & 4x2.15 GHz Cortex-A510)

GPU

Adreno 660

Xclipse 530

Immortalis-G715s MC10

Min. RAM

8 GiB

6 GiB

8 GiB

Max. RAM

8 GiB

12 GiB

8 GiB

Min. Storage

Max. Storage

Type of Storage

UFS 3.1

UFS 3.1

Display

Technology

Dynamic AMOLED 2X

Super AMOLED

OLED

Scratch Protection

Corning Gorilla Glass Victus+

Corning Gorilla Glass Victus+

Corning Gorilla Glass 3

Peak Brightness

1300 nits

1000 nits

2000 nits

Refresh Rate

120 Hz

120 Hz

120 Hz

Size (Diam.)

6.1 in

6.6 in

6.1 in

Horizontal Resolution

1080 pixels

1080 pixels

1080 pixels

Vertical Resolution

2340 pixels

2340 pixels

2400 pixels

Pixel Density

425 ppi

390 ppi

430 ppi

Features and Software

Original Operative System

Android 11

Android 14, One UI 6.1

Android 14

Updated Operative System

Android 14, One UI 6.1

Biometric Locking

Fingerprint (under display, ultrasonic)

Fingerprint (under display, optical)

Fingerprint (under display, optical)

Other Sensors

accelerometer, gyro, proximity, compass, barometer

accelerometer, gyro, compass

accelerometer, gyro, proximity, compass, barometer

IP Rating

IP68

IP67

IP67

Main Camera

Resolution

12 MP

50 MP

64 MP

Focal Length

26 mm

26 mm

Lens Aperture

f/1.8

f/1.8

f/1.9

Image Stabilization

OIS

OIS

OIS

Auto-Focus

dual pixel PDAF

PDAF

dual pixel PDAF

Pixel Size

1.8 μm

1 μm

0.8 μm

Wide Camera

Resolution

12 MP

12 MP

13 MP

Focal Length

13 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

Super Steady video

Pixel Size

1.4 μm

1.12 μm

1.12 μm

Telephoto Camera

Resolution

64 MP

Zoom

1.1x optical

Focal Length

29 mm

Lens Aperture

f/2

Image Stabilization Technology

OIS

Auto-Focus Technology

PDAF

Pixel Size

0.8 μm

2nd Telephoto Camera

Resolution

Zoom

Focal Length

Lens Aperture

Image Stabilization Technology

Auto-Focus Technology

Pixel Size

Front Camera

Resolution

10 MP

32 MP

13 MP

Focal Length

26 mm

26 mm

20 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

dual pixel PDAF

Pixel Size

1.22 μm

0.8 μm

1.12 μm

Energy and Autonomy

Battery Type/Chemistry

Li-Ion

Li-Ion

Li-Po

Battery Capacity

Battery Replacement Model

non-removable

non-removable

non-removable

Wired Charging Tech.

PD3.0

PD3.0

Wired Charging Power

25 W

25 W

18 W

Wireless Charging Tech.

Qi/PMA

n/a

Yes

Wireless Charging Power

15 W

7.5 W

Product Dimensions and Weight

Height

Width

Thickness

Weight

Packaging Dimensions and Weight

Length

Width

Height

Weight

Performance

AnTuTu (v8)

584 055

AnTuTu (v9)

635 598

AnTuTu (v10)

726 158

1 193 520

GeekBench (v5)

GeekBench (v5.1)

GeekBench (v6)