Samsung Galaxy A15 vs. Samsung Galaxy A25 vs. Samsung Galaxy S21 (US/CH)

Commercialization

Brand

Samsung

Samsung

Samsung

Model

Galaxy A15

Galaxy A25

Galaxy S21

Known Since Year

Sold since year

Discontinued since year

Colors Available

Brave Black, Optimistic Blue, Magical Blue, Personality Yellow

Brave Black, Personality Yellow, Fantasy Blue, Optimistic Blue

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Communications

Cell Technology

4G

5G

5G

SIM/Chip Type

Nano-SIM

Nano-SIM

Nano-SIM and eSIM

Cell Bands

1, 3, 5, 7, 8, 20, 28, 38, 40, 41

1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6

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

WiFi

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

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

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

Bluetooth

5.3, A2DP, LE

5.3, A2DP, LE

5.0, A2DP, LE

Geolocation

GPS, GALILEO, GLONASS, BDS, QZSS

GPS, GLONASS, GALILEO, BDS, QZSS

GPS, GLONASS, BDS, GALILEO

NFC

Yes

Yes

Yes

Broadcast Radio

FM radio

No

FM radio

Physical Ports

Data Connector

USB Type-C

USB Type-C

USB Type-C

Data Technology

USB Type-C 2.0

USB Type-C 2.0

USB Type-C 3.2, OTG

Headphones Connector

3.5mm TRS

No

No

CPU, Memory and Storage

Chipset

Mediatek Helio G99 (6 nm)

Exynos 1280

Qualcomm SM8350 Snapdragon 888 5G (5 nm)

CPU(s)

Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)

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

GPU

Mali-G57 MC2

Mali-G68

Adreno 660

Min. RAM

4 GiB

4 GiB

8 GiB

Max. RAM

8 GiB

8 GiB

8 GiB

Min. Storage

Max. Storage

Type of Storage

UFS 3.1

Display

Technology

Super AMOLED

Super AMOLED

Dynamic AMOLED 2X

Scratch Protection

Glass

Corning Gorilla Glass Victus+

Peak Brightness

800 nits

1000 nits

1300 nits

Refresh Rate

90 Hz

120 Hz

120 Hz

Size (Diam.)

6.5 in

6.5 in

6.1 in

Horizontal Resolution

1080 pixels

1080 pixels

1080 pixels

Vertical Resolution

2340 pixels

2340 pixels

2340 pixels

Pixel Density

396 ppi

396 ppi

425 ppi

Features and Software

Original Operative System

Android 14, One UI 6

Android 14, One UI 6

Android 11

Updated Operative System

Android 14, One UI 6.1

Biometric Locking

Fingerprint (side-mounted)

Fingerprint (side-mounted)

Fingerprint (under display, ultrasonic)

Other Sensors

accelerometer, compass

accelerometer, gyro, compass

accelerometer, gyro, proximity, compass, barometer

IP Rating

IP68

Main Camera

Resolution

50 MP

50 MP

12 MP

Focal Length

27 mm

26 mm

Lens Aperture

f/1.8

f/1.8

f/1.8

Image Stabilization

OIS

OIS

Auto-Focus

AF

PDAF

dual pixel PDAF

Pixel Size

0.64 μm

1.8 μm

Wide Camera

Resolution

5 MP

8 MP

12 MP

Focal Length

13 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

Super Steady video

Pixel Size

1.12 μm

1.4 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

13 MP

13 MP

10 MP

Focal Length

26 mm

Lens Aperture

f/2

f/2.2

f/2.2

Auto-Focus Technology

dual pixel PDAF

Pixel Size

1.12 μm

1.22 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

Wired Charging Power

25 W

25 W

25 W

Wireless Charging Tech.

No

n/a

Qi/PMA

Wireless Charging Power

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)

316 967

443 234

AnTuTu (v10)

375 314

480 771

GeekBench (v5)

GeekBench (v5.1)

GeekBench (v6)