General
Launch Date
November 20, 2024
January 22, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
HyperOS 1.0
One UI 7
OS Updates
2 Years
7 Years
Security Updates
4 Years
7 Years
AI Features
AI Select, Circle to Search, Cross-app Action, Call Transcript, Writing Assist, Drawing Assist, Audio Eraser, Now Brief, Now Bar and More
Body
Dimensions
171.9 x 77.8 x 8.2 mm
146.9 x 70.5 x 7.2 mm
Thickness
8.2 mm
7.2 mm
Weight
212.4 g
162 g
Back Material
Gorilla Glass Victus 2
Build Details
Glass back, Plastic Frame
Aluminum Frame
IP Rating
No
IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min), Armor aluminum 2 frame)
Display
Size
6.88 inches
6.2 inches
Type
IPS LCD
Dynamic LTPO AMOLED 2X, HDR10+, Always-on display
Refresh Rate
120 Hz
120 Hz
Peak Brightness
600 nits
2600 nits
Resolution
720 x 1612 pixels
1080 x 2340 pixels
Pixel Density
257 ppi
416 ppi
Aspect Ratio
20:9
19.5:9
Screen to Body Ratio
85.0 %
91.1 %
Protection
Gorilla Glass Victus 2
Performance
Chipset
Qualcomm Snapdragon 4s Gen 2
Qualcomm Snapdragon 8 Elite
Process Size
4 nm
3 nm
CPU
Octa-core
2x2.2 GHz Cortex-A78
6x2.0 GHz Cortex-A55
Octa-core
2x4.47 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M
GPU
Adreno
Adreno 830
RAM & Storage
4GB 64GB (UFS 2.2)
4GB 128GB (UFS 2.2)
12GB 128GB (UFS 4.0)
12GB 256GB (UFS 4.0)
12GB 512GB (UFS 4.0)
RAM Type
LPDDR4X
LPDDR5X
Expandable Memory
Yes
No
Camera
Main Camera
50 MP
f/1.8, (wide)
50 MP
f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS

10 MP
f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom

12 MP
f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
OIS
No
Yes
Features
LED flash, HDR
Best Face, LED flash, auto-HDR, panorama
Video Recording
1080p@30fps
8K@24/30fps
4K@30/60fps
1080p@30/60/240fps
Video Recording Features
10-bit HDR, HDR10+, Stereo Sound recording, gyro-EIS
Selfie Camera
5 MP
f/2.2, (wide)
12 MP
f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Selfie Features
HDR, HDR10+
Selfie Video Recording
1080p@30fps
4K@30/60fps
1080p@30fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: eSIM
SIM 1 5G Bands
7 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
17 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28, N66
TDD: N38, N40, N41, N77, N78
SIM 2 5G Bands
7 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
17 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28, N66
TDD: N38, N40, N41, N77, N78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 7
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO
Wi-Fi Features
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
USB
USB Type-C 2.0
USB Type-C 3.2, DisplayPort 1.2, OTG
Bluetooth
5.3
5.4
NFC
No
Yes
GPS
Yes with A-GPS
Yes with A-GPS, Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5160 mAh
4000 mAh
Type
Li-Polymer
Li-Ion
Removable
No
No
Wired charging
18W
25W
Charging Speed
50% in 30 min
Wireless Charging
No
15W
Reverse Wireless Charging
No
4.5W
Charger in the Box
Yes
No
Sound
Stereo Speakers
No
Yes
3.5mm Headphone Jack
Yes
No
FM Radio
No
No
Extra Features
Sensors
Fingerprint (side-mounted), accelerometer, compass
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Others
Virtual proximity sensing
Samsung DeX, Samsung Wireless DeX
Colors and Pricing
Colors
Sparkle Purple, Starry Black
Icy Blue, Navy, Silver Shadow, Mint, Blue Black, Coral Red, Pink Gold
Price in India
₹8499
₹80999
FAQs

In this comparison, the Samsung Galaxy S25 with the Qualcomm Snapdragon 8 Elite (3nm) performs better than the Redmi A4 with the Qualcomm Snapdragon 4s Gen 2 (4nm), thanks to its more efficient chipset.

The Samsung Galaxy S25 offers 7 years of OS updates, while the Redmi A4 provides 2 years. When it comes to security updates, Samsung Galaxy S25 leads with 7 years of support.

Samsung Galaxy S25 has a superior AMOLED display, while Redmi A4 uses an LCD panel. They have the same 120 Hz refresh rate. Samsung Galaxy S25 also has a brighter display with 2600 nits, improving outdoor visibility. Notably, Samsung Galaxy S25 has a higher resolution display, resulting in sharper visuals.

Redmi A4 has a larger 5160 mAh battery for longer usage. Samsung Galaxy S25 supports faster wired charging at 25W. Samsung Galaxy S25 supports wireless charging at 15W, while Redmi A4 lacks this feature.

Samsung Galaxy S25 has an IP68 rating, while Redmi A4 lacks official water and dust resistance.