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Redmi A4

Redmi A4 Comparison & Specs

Redmi A4

  • Snapdragon 4s Gen 2

    4 nm

  • 5160 mAh

    18W

  • 6.88"

    720 x 1612 pixels

  • 50 MP

    1080p@30fps

  • Specs Redmi A4 Amazon Link

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

  • Specs Xiaomi 15 Ultra Amazon Link
Redmi A4 Comparison & Specs

Redmi A4

Redmi A4 Amazon Link
Xiaomi 15 Ultra Comparison & Specs

Xiaomi 15 Ultra

Xiaomi 15 Ultra Amazon Link
General
Launch Date
November 20, 2024
March 11, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
HyperOS 1.0
HyperOS 2
OS Updates
2 Years
4 Years
Security Updates
4 Years
6 Years
AI Features
HyperAI, AI Write, AI Summary and more
Body
Dimensions
171.9 x 77.8 x 8.2 mm
161.3 x 75.3 x 9.4 mm
Thickness
8.2 mm
9.4 mm
Weight
212.4 g
226 g
Build Details
Glass back, Plastic Frame
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
6.88 inches
6.73 inches
Type
IPS LCD
LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid
Refresh Rate
120 Hz
120 Hz
Peak Brightness
600 nits
3200 nits
Resolution
720 x 1612 pixels
1440 x 3200 pixels
Pixel Density
257 ppi
522 ppi
Aspect Ratio
20:9
20:9
Screen to Body Ratio
85.0 %
89.7 %
Performance
Chipset¹
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
2x4.32 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 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
50 MP
f/1.8, (wide)
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
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, 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
5G Support
Yes

7 5G bands
n1, n3, n5, n8, n28, n40, n78
Yes

21 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n71, n75, n77, n78, n79
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
Mobile Hotspot
USB
USB Type-C 2.0
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Bluetooth
5.3
6.0
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
5410 mAh
Type
Li-Polymer
Si/C Li-Ion
Removable
No
No
Wired charging
18W
90W
Reverse Wired Charging
No
No
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
No
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
Sparkle Purple, Starry Black
Chrome Silver
Price in India
₹7998
Redmi A4 Amazon Link
₹109999
Xiaomi 15 Ultra Amazon Link
FAQs

In this performance comparison, the Xiaomi 15 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Redmi A4 with the Qualcomm Snapdragon 4s Gen 2 (4nm), thanks to superior chipset efficiency.

Xiaomi 15 Ultra offers 4 years of OS updates, whereas Redmi A4 provides 2 years. For security updates, Xiaomi 15 Ultra offers 6 years of support compared to Redmi A4's 4 years.

Xiaomi 15 Ultra features a superior AMOLED display, while Redmi A4 comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. Xiaomi 15 Ultra also boasts a brighter screen with 3200 nits of peak brightness, enhancing outdoor visibility. Notably, Xiaomi 15 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Xiaomi 15 Ultra features a larger 5410 mAh battery, potentially delivering better battery life. Xiaomi 15 Ultra also supports faster wired charging at 90W, compared to 18W on Redmi A4. Xiaomi 15 Ultra supports wireless charging at 80W, while Redmi A4 lacks this feature.

Xiaomi 15 Ultra includes an IP68 rating, while Redmi A4 lacks an official IP rating.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.