General
Launch Date
August 05, 2024
May 24, 2024
Availability
Available Now
Available Now
OS
Android 14
Android 14
Custom UI
XOS 14
MIUI
OS Updates
2 Years
2 Years
Security Updates
3 Years
3 Years
Body
Dimensions
168.9 x 76.5 x 8.3 mm
168.4 x 76.3 x 8.3 mm
Thickness
8.3 mm
8.3 mm
Weight
201 g
193 g
Build Details
Mineral Glass
IP Rating
IP52 (dust and splash resistant)
No
Display
Size
6.78 inches
6.71 inches
Type
AMOLED
IPS LCD
Refresh Rate
120 Hz
90 Hz
Peak Brightness
500 nits
500 nits
Resolution
1080x2460 pixels
720x1650 pixels
Pixel Density
396 ppi
268 ppi
Aspect Ratio
20.5:9
Screen to Body Ratio
84.5 %
82.9 %
Protection
Gorilla Glass 3
Performance
Chipset
Mediatek Dimensity 6300
Unisoc Unisoc T603
Process Size
6 nm
12 nm
CPU
Octa-core
2x2.4 GHz Cortex-A76
6x Cortex-A55
Octa core
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55
GPU
Mali-G57 MC2
Mali-G57
RAM & Storage
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)
3GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
Yes
Camera
Main Camera
108 MP
f/1.8, (wide), PDAF

2 MP
macro

2 MP
8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)
OIS
No
No
Features
Quad-LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection
LED flash, HDR, Digital Zoom
Video Recording
1440p@30fps
1080p@30/60fps
1080p@30fps
Video Recording Features
Dual Video Recording, Short Video Mode
Selfie Camera
8 MP
wide
5 MP
f/2.2, (wide)
Selfie Features
Dual-LED flash
HDR
Selfie Video Recording
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
SIM 1 5G Bands
10 Bands

FDD: N1, N3, N5, N8, N28
TDD: N38, N40, N41, N77, N78
SIM 2 5G Bands
10 Bands

FDD: N1, N3, N5, N8, N28
TDD: N38, N40, N41, N77, N78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 4
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 b/g/n
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C
Bluetooth
5.3
4.2
NFC
Yes
No
GPS
Yes with A-GPS
Yes with Glonass
Infrared
Yes
Yes
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
5000 mAh
Type
Li-Polymer
Li-Polymer
Removable
No
No
Wired charging
18W
10W
Charging Speed
50% in 31 min
Wireless Charging
No
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
No
No
3.5mm Headphone Jack
Yes
Yes
FM Radio
No
Yes
Extra Features
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Palm Blue, Lime Green, Starlit Black
Midnight Black, Moonlight White, Aurora Green
Price in India
₹14999
₹6999
FAQs

In this comparison, the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm) performs better than the Infinix Note 40X with the Mediatek Dimensity 6300 (6nm), thanks to its more efficient chipset.

Both phones offer the same OS update support and receive security updates for the same duration.

Infinix Note 40X has a superior AMOLED display, while Redmi A3x 4G uses an LCD panel. Moreover, it offers a higher 120 Hz refresh rate for smoother scrolling. These phones offer the same brightness level at 500 nits. Notably, Infinix Note 40X has a higher resolution display, resulting in sharper visuals.

Both phones have the same 5000 mAh battery capacity. Infinix Note 40X supports faster wired charging at 18W.

Infinix Note 40X has an IP52 rating, while Redmi A3x 4G lacks official water and dust resistance.