Samsung Galaxy S25 Ultra vs Xiaomi Redmi A3x
Samsung
Galaxy S25 Ultra
Xiaomi
Redmi A3x
At a glance
- Brand
- Samsung
- Xiaomi
- Release date
- January 2025, 1 years 5 months ago
- May 2024, 2 years 1 months ago
- Launch price
- € 1,459.00 ($ 1,703.81)
- —
- AnTuTu
- 3.135.223 Antutu v11 Overall performance better than 98% of devices
- 239.000 Antutu v10 Overall performance better than 57% of devices
Display
- Size
- 6.86"
- 6.7"
- Resolution
- 1440 x 3120 px WQHD+
- 720 x 1650 px HD+
- Type
- AMOLED Dynamic LTPO Amoled 2X
- LCD IPS
- Density
- 505 ppi Very high density
- 269 ppi Medium Density
- Aspect ratio
- 19.5:9
- 20:9
- Features
- Hole-punch Notch, 24-120 Hz refresh rate, Refresh rate 120 Hz, Variable Refresh Rate (VRR), Peak brightness - 2600 cd/m², Always-On Display, HDR10+, DCI-P3, DC dimming, Scratch resistant, Corning Gorilla Glass Armor, S-Pen, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 500 cd/m² (typ), DC dimming, Scratch resistant, Corning Gorilla Glass 3, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- Qualcomm Snapdragon 8 Elite
- Unisoc Tiger T603
- CPU
- 2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
- 2xCortex A75 1.8GHz + 6x Cortex A55 1.6GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 3 nm
- 12 nm
- Frequency
- 4.32 GHz
- 1.8 GHz
- GPU
- Adreno 830
- Mali-G57 MP1
- RAM
- 12 GB
- 3 GB
- RAM type
- RAM LPDDR5X
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 200 Mpx
- 8 Mpx
- Aperture
- ƒ/ 1.7
- ƒ/ 2.2
- Sensor
- Samsung ISOCELL HP2
- —
- Pixel size
- 1.00 µm
- —
- Sensor size
- 1/1.3"
- —
- Flash
- LED
- LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 240 fps
- No, 30 fps
- Features
- Night Mode 2.0, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW
- Digital zoom, Dual camera, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Front camera
- Resolution
- 12 Mpx
- 5 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.2
- Sensor
- Samsung S5K3LU
- —
Battery
- Capacity
- 5000 mAh
- 5000 mAh
- Type
- Li-Ion
- Li-Ion
- Fast charge
- Yes , 45.0W
- Yes , 10.0W
- Wireless charging
- 25W wireless charging, 4.5W reverse wireless charging
- —
- Charge cycles
- 2000 cycles
- —
- Runtime
- ~ 45h
- —
- Features
- Bypass Charging, Wireless charging, Reverse charging, Non-removable
- Non-removable
Storage
- Capacity
- 256 GB
- 64 GB
- Type
- UFS Storage 4.0
- eMMC 5.1 Storage
- SD slot
- No
- Yes , Independent SD slot
Body
- Dimensions
- 77.6 mm 162.8 mm 8.2 mm Print 3D Model
- 76.3 mm 168.3 mm 8.3 mm Print 3D Model
- Weight
- 219 g
- 199 g
- Materials
- Titanium
- Glass , Leather
- Colors
- Black Blue Silver Pink Gray Green Night Black
- Black Blue Green
- Water/dust resistance
- IP68
- —
- Drop resistance
- Class A B C D E 270 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 91 %
- 82 %
Software
- Operating system
- Android 16 Android 16
- Android 14 Upside-down cake MIUI 14 (Android 14)
- Updates
- OS updates: 7 years, Security updates: 7 years
- OS updates: 2 years, Security updates: 3 years
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM / eSIM + Nano SIM / eSIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.4 LELow energy consumption
- Bluetooth 4.2 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Visual Remote Control Profile), DIP (Device ID Profile), HFP (Hands-Free Profile), HID (Human Interface Profile), HSP (Headset Profile), LE (Low Energy), MAP (Message Access Profile), PAN (Personal Area Networking Profile), OPP (Object Push Profile), PBAP/PAB (Phone Book Access Profile), ANT+, APT-x, LDAC, SBC
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), SBC, AAC
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E , WiFi 7 (802.11be)
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- Wi-Fi Hotspot, Wi-Fi Direct
- USB
- USB Type-C
- —
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), QZSS (L1 + L5)
- GPS, A-GPS, GLONASS, Beidou
Networks
- 5G
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n75 (1500), n77 (3700), n78 (3500)
- —
- 4G LTE
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
- B1 (2100), B5 (850), B8 (900)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, in screen
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- —
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- —
- Compass
- Yes
- —
- Cooling system
- Yes
- No
- Audio
- Noise cancellation microphone, Stereo Speakers
- —
