Samsung

Samsung

Galaxy S21

Galaxy A55

2021

2024

2021

2024

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Iceblue, Lilac, Navy, Lemon

5G

5G

Nano-SIM and eSIM

Nano-SIM, eSIM

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

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

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

5.0, A2DP, LE

5.3, A2DP, LE

GPS, GLONASS, BDS, GALILEO

GPS, GALILEO, GLONASS, BDS, QZSS

Yes

Yes

FM radio

No

USB Type-C

USB Type-C

USB Type-C 3.2, OTG

USB Type-C 2.0, OTG

No

No

Qualcomm SM8350 Snapdragon 888 5G (5 nm)

Exynos 1480 (4 nm)

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)

Adreno 660

Xclipse 530

8 GiB

6 GiB

8 GiB

12 GiB

UFS 3.1

Dynamic AMOLED 2X

Super AMOLED

Corning Gorilla Glass Victus+

Corning Gorilla Glass Victus+

1300 nits

1000 nits

120 Hz

120 Hz

6.1 in

6.6 in

1080 pixels

1080 pixels

2340 pixels

2340 pixels

425 ppi

390 ppi

Android 11

Android 14, One UI 6.1

Android 14, One UI 6.1

Fingerprint (under display, ultrasonic)

Fingerprint (under display, optical)

accelerometer, gyro, proximity, compass, barometer

accelerometer, gyro, compass

IP68

IP67

12 MP

50 MP

26 mm

f/1.8

f/1.8

OIS

OIS

dual pixel PDAF

PDAF

1.8 μm

1 μm

12 MP

12 MP

13 mm

f/2.2

f/2.2

Super Steady video

1.4 μm

1.12 μm

64 MP

1.1x optical

29 mm

f/2

OIS

PDAF

0.8 μm

10 MP

32 MP

26 mm

26 mm

f/2.2

f/2.2

dual pixel PDAF

1.22 μm

0.8 μm

Li-Ion

Li-Ion

non-removable

non-removable

PD3.0

25 W

25 W

Qi/PMA

n/a

15 W

584 055

635 598

726 158

3259

3238

3350