Samsung Galaxy S25 Ultra vs Xiaomi Redmi 9a 3gb Ram

Key Specs

Battery
-	5000 mAh
Display
-	6.53 inches (16.59 cm)
Front Camera
-	5 MP
Processor
-	MediaTek Helio G25
RAM
-	3 GB
Rear Camera
-	13 MP

Audio

Audio Jack
USB Type-C	-
Loudspeaker
Yes	-
Stereo Speakers
Yes	-

Battery

Capacity
5000 mAh	5000 mAh
Quick Charging
45W wired fast charging	-
Removable
No	No
Type
Li-ion	Li-Polymer
USB Type-C
Yes	No
Wireless Charging
Yes	-

Camera

Autofocus
Yes, Dual Pixel PD autofocus	-
Flash
Yes, LED Flash	-
Front Camera
12 MP	-
Image Resolution
16000 x 12500 Pixels	-
Rear Camera
200 MP + 50 MP + 10 MP + 50 MP	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
4k @ 60 FPS Full HD @ 30 FPS	-

Design

Build Material
Back: Corning Gorilla Glass Armor 2	Back: Plastic
Colours
Titanium Silverblue, Titanium Gray, Titanium Black, Titanium Whitesilver, Titanium Jetblack, Titanium Jadegreen, Titanium Pinkgold	Midnight Black, Sea Blue, Nature Green
Height
-	164.9 mm
Ruggedness
Dust proof	-
Thickness
-	9 mm
Waterproof
-	Yes, Splash proof
Weight
218 grams	194 grams Below
Width
-	77 mm

Not sure which
mobile to buy?

Dimensions

Height
162.8 mm	-
Thickness
8.2 mm	-
Width
77.6 mm	-

Display

Aspect Ratio
19.5:9	20:9
Bezel-less display
Yes with punch-hole display	Yes with waterdrop notch
Brightness
2600 nits	400 nits
Display Type
Dynamic AMOLED 2x	IPS LCD
Pixel Density
498 ppi	269 ppi
Refresh Rate
120 Hz	-
Resolution
-	720x1600 px (HD+)
Screen Protection
Corning Gorilla Glass, Glass Armor 2	-
Screen Size
6.9 inches (17.53 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
-	81.08 %
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
-	5 MP f/2.2, Wide Angle, Primary Camera(1.12µm pixel size)

General

Brand
Samsung	Xiaomi
Custom UI
Samsung One UI	MIUI
Launch Date
January 22, 2025	September 4, 2020 (Official)
Operating System
Android v15	Android v10 (Q)

Main Camera

Autofocus
-	Yes
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Single
Flash
-	Yes, LED Flash
Image Resolution
-	4128 x 3096 Pixels
Resolution
-	13 MP f/2.2, Wide Angle, Primary Camera(28 mm focal length, 1µm pixel size)
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1920x1080 @ 30 fps

Multimedia

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
Yes, v5.4	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
Yes	No
Network Support
5G, 4G, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.528 W/kg, Body: 0.791 W/kg
SIM 1
5G Bands: FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 / N66 TDD N38 / N40 / N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
5G Bands: FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 / N66 TDD N38 / N40 / N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: eSIM	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
-	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz, MIMO	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Calling
Yes	Yes
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core (2 GHz, Quad core, Cortex A53 + 1.5 GHz, Quad core, Cortex A53)
Chipset
-	MediaTek Helio G25
Fabrication
-	12 nm
Graphics
Adreno 830	PowerVR GE8320
Processor
Qualcomm Snapdragon 8 Elite	-
RAM
12 GB	3 GB
RAM Type
LPDDR5X	LPDDR4X
RAM type
-	LPDDR4X

Sensors

Fingerprint Sensor
Yes	No
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
No	Yes, Up to 512 GB
Internal Memory
256 GB / 512 GB / 1 TB	32 GB
Storage Type
UFS 4.0	eMMC 5.1
USB OTG
-	Yes
User Available Storage
Up to 222 GB	-