Samsung Galaxy S21 (US/CH) vs. Samsung Galaxy S24+ (Intl) vs. Samsung Galaxy A55

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Mobile Phones

Samsung Galaxy S21 (US/CH)

Samsung Galaxy S24+ (Intl)

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Samsung Galaxy A55

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Commercialization

Brand

Samsung

Samsung

Samsung

Model

Galaxy S21

Galaxy S24+

Galaxy A55

Known Since Year

Sold since year

Discontinued since year

Colors Available

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue

Iceblue, Lilac, Navy, Lemon

Communications

Cell Technology

5G

5G

5G

SIM/Chip Type

Nano-SIM and eSIM

Nano-SIM and eSIM

Nano-SIM, 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

Intl: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6
USA: SA/NSA/Sub6/mmWave

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

WiFi

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

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

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

Bluetooth

5.0, A2DP, LE

5.3, A2DP, LE

5.3, A2DP, LE

Geolocation

GPS, GLONASS, BDS, GALILEO

GPS, GLONASS, BDS, GALILEO, QZSS

GPS, GALILEO, GLONASS, BDS, QZSS

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 3.2, DisplayPort 1.2, OTG

USB Type-C 2.0, OTG

Headphones Connector

No

No

No

CPU, Memory and Storage

Chipset

Qualcomm SM8350 Snapdragon 888 5G (5 nm)

Exynos 2400

Exynos 1480 (4 nm)

CPU(s)

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

10-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520)

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

GPU

Adreno 660

Xclipse 940

Xclipse 530

Min. RAM

8 GiB

12 GiB

6 GiB

Max. RAM

8 GiB

12 GiB

12 GiB

Min. Storage

Max. Storage

Type of Storage

UFS 3.1

UFS 4.0

Display

Technology

Dynamic AMOLED 2X

Dynamic LTPO AMOLED 2X

Super AMOLED

Scratch Protection

Corning Gorilla Glass Victus+

Corning Gorilla Glass Victus 2

Corning Gorilla Glass Victus+

Peak Brightness

1300 nits

2600 nits

1000 nits

Refresh Rate

120 Hz

120 Hz

120 Hz

Size (Diam.)

6.1 in

6.7 in

6.6 in

Horizontal Resolution

1080 pixels

1440 pixels

1080 pixels

Vertical Resolution

2340 pixels

3120 pixels

2340 pixels

Pixel Density

425 ppi

513 ppi

390 ppi

Features and Software

Original Operative System

Android 11

Android 14, One UI 6.1

Android 14, One UI 6.1

Updated Operative System

Android 14, One UI 6.1

Android 14, One UI 6.1

Biometric Locking

Fingerprint (under display, ultrasonic)

Fingerprint (under display, ultrasonic)

Fingerprint (under display, optical)

Other Sensors

accelerometer, gyro, proximity, compass, barometer

accelerometer, gyro, proximity, compass, barometer

accelerometer, gyro, compass

IP Rating

IP68

IP68

IP67

Main Camera

Resolution

12 MP

50 MP

50 MP

Focal Length

26 mm

24 mm

Lens Aperture

f/1.8

f/1.8

f/1.8

Image Stabilization

OIS

OIS

OIS

Auto-Focus

dual pixel PDAF

dual pixel PDAF

PDAF

Pixel Size

1.8 μm

1 μm

1 μm

Wide Camera

Resolution

12 MP

12 MP

12 MP

Focal Length

13 mm

13 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

Super Steady video

Pixel Size

1.4 μm

1.4 μm

1.12 μm

Telephoto Camera

Resolution

64 MP

10 MP

Zoom

1.1x optical

3x optical

Focal Length

29 mm

67 mm

Lens Aperture

f/2

f/2.4

Image Stabilization Technology

OIS

OIS

Auto-Focus Technology

PDAF

PDAF

Pixel Size

0.8 μm

1 μm

2nd Telephoto Camera

Resolution

Zoom

Focal Length

Lens Aperture

Image Stabilization Technology

Auto-Focus Technology

Pixel Size

Front Camera

Resolution

10 MP

12 MP

32 MP

Focal Length

26 mm

26 mm

26 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

dual pixel PDAF

dual pixel PDAF

Pixel Size

1.22 μm

0.8 μm

Energy and Autonomy

Battery Type/Chemistry

Li-Ion

Li-Ion

Li-Ion

Battery Capacity

Battery Replacement Model

non-removable

non-removable

non-removable

Wired Charging Tech.

PD3.0

PD3.0

Wired Charging Power

25 W

45 W

25 W

Wireless Charging Tech.

Qi/PMA

Qi/PMA

n/a

Wireless Charging Power

15 W

15 W

Product Dimensions and Weight

Height

Width

Thickness

Weight

Packaging Dimensions and Weight

Length

Width

Height

Weight

Performance

AnTuTu (v8)

584 055

AnTuTu (v9)

1 290 977

635 598

AnTuTu (v10)

1 774 819

726 158

GeekBench (v5)

GeekBench (v5.1)

GeekBench (v6)