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Redmi A3x 4G

Redmi A3x 4G Comparison & Specs

Redmi A3x 4G

  • Unisoc T603

    12 nm

  • 5000 mAh

    10W

  • 6.71"

    720x1650 pixels

  • 8 MP

    1080p@30fps

Xiaomi 15 Ultra

Xiaomi 15 Ultra Comparison & Specs

Xiaomi 15 Ultra

  • Snapdragon 8 Elite

    3 nm

  • 5410 mAh

    90W

  • 6.73"

    1440 x 3200 pixels

  • 50 MP

    8K@30fps

Redmi A3x 4G Comparison & Specs

Redmi A3x 4G

Xiaomi 15 Ultra Comparison & Specs

Xiaomi 15 Ultra

General
Launch Date
May 24, 2024
March 11, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
MIUI
HyperOS 2
OS Updates
2 Years
4 Years
Security Updates
3 Years
6 Years
AI Features
HyperAI, AI Write, AI Summary and more
Body
Dimensions
168.4 x 76.3 x 8.3 mm
161.3 x 75.3 x 9.4 mm
Thickness
8.3 mm
9.4 mm
Weight
193 g
226 g
Build Details
Mineral Glass
Glass-fiber Back Or Vegan Leather, Aluminum Frame
IP Rating
No
IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))
Display
Size
6.71 inches
6.73 inches
Type
IPS LCD
LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid
Refresh Rate
90 Hz
120 Hz
Peak Brightness
500 nits
3200 nits
Resolution
720x1650 pixels
1440 x 3200 pixels
Pixel Density
268 ppi
522 ppi
Aspect Ratio
20.5:9
20:9
Screen to Body Ratio
82.9 %
89.7 %
Protection
Gorilla Glass 3
Performance
Chipset
Unisoc Unisoc T603
Qualcomm Snapdragon 8 Elite
Process Size
12 nm
3 nm
CPU
Octa core
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55
Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M
GPU
Mali-G57
Adreno 830
RAM & Storage
3GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)
12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)
RAM Type
LPDDR4X
LPDDR5X
Expandable Memory
Yes
No
Camera
Main Camera
8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)
50 MP
f/1.6, 23mm (wide), 1.0"-type, 1.6µm, Sony LYT-900, dual pixel PDAF, OIS

50 MP
f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, Sony IMX858, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom

200 MP
f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, Samsung S5KHP9, multi-directional PDAF, OIS, 4.3x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN5, dual pixel PDAF
TOF 3D, (depth)
OIS
No
Yes
Features
LED flash, HDR, Digital Zoom
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video Recording
1080p@30fps
8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps
Video Recording Features
gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)
Selfie Camera
5 MP
f/2.2, (wide)
32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40
Selfie Features
HDR
HDR, panorama
Selfie Video Recording
1080p@30fps
4K@30/60fps
1080p@30/60fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
Dual SIM
SIM1: Nano, SIM2: Nano
SIM 1 5G Bands
21 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79
SIM 2 5G Bands
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N71 / N75 / N77 / N78 / N79
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 4
Wi-Fi 7
Wi-Fi Details
802.11 b/g/n
802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Bluetooth
4.2
6.0
NFC
No
Yes
GPS
Yes with Glonass
Yes with A-GPS, Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
5410 mAh
Type
Li-Polymer
Si/C Li-Ion
Removable
No
No
Wired charging
10W
90W
Wireless Charging
No
80W
Reverse Wireless Charging
No
10W
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
No
Yes
3.5mm Headphone Jack
Yes
No
FM Radio
Yes
No
Extra Features
Sensors
Fingerprint (side-mounted), accelerometer, compass
Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer
Others
Virtual proximity sensing
Two-way satellite communication
Colors and Pricing
Colors
Midnight Black, Moonlight White, Aurora Green
Chrome Silver
Price in India
₹6999
₹109999
FAQs

In this comparison, the Xiaomi 15 Ultra with the Qualcomm Snapdragon 8 Elite (3nm) performs better than the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm), thanks to its more efficient chipset.

The Xiaomi 15 Ultra offers 4 years of OS updates, while the Redmi A3x 4G provides 2 years. When it comes to security updates, Xiaomi 15 Ultra leads with 6 years of support.

Xiaomi 15 Ultra has a superior AMOLED display, while Redmi A3x 4G uses an LCD panel. Moreover, Xiaomi 15 Ultra offers a higher 120 Hz refresh rate for smoother scrolling. Xiaomi 15 Ultra also has a brighter display with 3200 nits, improving outdoor visibility. Notably, Xiaomi 15 Ultra has a higher resolution display, resulting in sharper visuals.

Xiaomi 15 Ultra has a larger 5410 mAh battery for longer usage. Xiaomi 15 Ultra supports faster wired charging at 90W. Xiaomi 15 Ultra supports wireless charging at 80W, while Redmi A3x 4G lacks this feature.

Xiaomi 15 Ultra has an IP68 rating, while Redmi A3x 4G lacks official water and dust resistance.