Smartphones

Samsung Galaxy S25 vs Samsung Galaxy S21 Full Specs

CPU
Snapdragon 8 Elite Galaxy8 Cores (2P+6E)
CPU
Snapdragon 8888 Cores (1P+3M+4E)
GPU
Adreno 8301,536 Shaders
GPU
Adreno 660768 Shaders
Memory
12GBLPDDR5X-10667
Memory
8GBLPDDR5-6400
Storage
Storage
Display
6.2" AMOLED2340x1080 2600Nits 120Hz Touch Glossy
Display
6.2" AMOLED2400x1080 1300Nits 120Hz Touch Glossy
Price
$800
Price
$800

CPU
iGPU
Modem
Memory
Chipset
USB 3.0
Storage
CPU
iGPU
Modem
Memory
Chipset
USB 3.0
Storage

Snapdragon 8 Elite Galaxy
Snapdragon 888
8 Cores(2P+6E)
8 Threads
4.47GHz
8 Cores(1P+4E+3M)
8 Threads
2.84GHz

Adreno 830
Adreno 660
1,536 Shaders
1.1GHz
768 Shaders
840MHz

12GBLPDDR5X-10667
8GBLPDDR5-6400

6.2" AMOLED2340x1080 2600Nits 120Hz Touch Glossy
6.2" AMOLED2400x1080 1300Nits 120Hz Touch Glossy
Panel & HDR
AMOLED HDR
Panel & HDR
AMOLED HDR
Area & Aspect Ratio
14.63 in² 19.5:9
Area & Aspect Ratio
14.63 in² 19.5:9
Brightness
1200 nits 2600 nits Peak
Brightness
850 nits 1300 nits Peak
Refresh & VRR
120Hz Variable Refresh
Refresh & VRR
120Hz Variable Refresh
Resolution
2340x1080 2.5M Pixels 416 ppi
Resolution
2400x1080 2.6M Pixels 425 ppi
Backlight & Contrast
2.5M zones 2M:1 contrast
Backlight & Contrast
2.6M zones 2M:1 contrast
Viewing Angles
178° H 178° V
Viewing Angles
178° H 178° V
Color Depth
8-bit
Color Depth
8-bit
Color Coverage
100% sRGB 98% DCI-P3
Color Coverage
100% sRGB 98% DCI-P3
Coating & Lamination
Fully Laminated
Coating & Lamination
Fully Laminated
Touchscreen
Yes
Touchscreen
Yes

Up to 22 hours
Up to 15 hours
Charge Time
0-50%: 30 min
0-80%: 40 min
-
Charge Time
0-50%: 30 min
0-80%: 45 min
0-100%: 75 min
15.4Wh
4000mAh
3.85V
Lithium-Ion
15.4Wh
4000mAh
3.85V
Lithium-Ion

Camera
Camera
Megapixels
50.1 MP
Megapixels
12.2 MP
Pixel Size
1.00 µm
Pixel Size
1.80 µm
Aperture
Aperture
FOV
FOV
Lens
23.5mm
Lens
26mm
Stabilization
Optical Image Stabilization
Stabilization
Optical Image Stabilization
Zoom
x1.80 Zoom-Out
x30.00 Digital Zoom-In
x3.00 Optical Zoom-In (Telephoto)
Zoom
x2.00 Zoom-Out
x30.00 Digital Zoom-In
x1.10 Optical Zoom-In (Telephoto)
Max FPS
960 FPS 720p
240 FPS 1080p
60 FPS 4K
Max FPS
960 FPS 720p
240 FPS 1080p
60 FPS 4K
Max Front FPS
30 FPS 1080p
60 FPS 4K
Max Front FPS
30 FPS 1080p
60 FPS 4K
Features
Flash
Autofocus
HDR Photo
HDR Video
Video Stabilization
Photo Geotagging
Audio Zoom
Features
Flash
Autofocus
HDR Photo
HDR Video
Video Stabilization
Photo Geotagging
Audio Zoom
Modes
Slow Motion
Time-Lapse
Night Mode
Panorama
Burst Mode
Portrait Mode
Modes
Slow Motion
Time-Lapse
Night Mode
Panorama
Burst Mode
Portrait Mode

Data
1x USB-C 3.0
Data
1x USB-C 3.0

Wi-Fi 7
Bluetooth 5.4
Wi-Fi 6
Bluetooth 5.1

Modem
Qualcomm X80
5G mmWave
Modem
Qualcomm X60
5G mmWave
Speed
Up to 10Gbps Download
Up to 3.5Gbps Upload
Speed
Up to 7.5Gbps Download
Up to 3Gbps Upload
SIM Slots
1x eSIM
1x Nano-SIM
Dual SIM capable
SIM Slots
1x eSIM
1x Nano-SIM
Dual SIM capable

Motion
Accelerometer
Gyroscope
Motion
Accelerometer
Gyroscope
Utility
Proximity
Ambient Light (ALS)
Utility
Proximity
Ambient Light (ALS)
Communication
NFC
Ultra-Wideband Chip
Communication
NFC
Ultra-Wideband Chip
Location
GPS
GLONASS
Galileo
Beidou
Compass
Location
GPS
GLONASS
Galileo
Beidou
Compass

Speakers
2
Speakers
2
Microphones
3
Microphones
3

Biometrics
Fingerprint
Biometrics
Fingerprint

Launch OS
Android 15
Launch OS
Android 11

Build Material
Aluminum, Glass
Build Material
Aluminum, Glass
Height
146.9 mm (5.78")
Width
70.5 mm (2.78")
Depth
7.2 mm (0.28")
Height
151.7 mm (5.97")
Width
71.2 mm (2.8")
Depth
7.9 mm (0.31")
Weight
0.16 kg
Weight
0.17 kg
Volume
0.075 L
Volume
0.085 L

Release Date
2025-01-22
Release Date
2021-01-14
Warranty
1 year
Warranty
1 year