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Infinix Note 40X

Infinix Note 40X Comparison & Specs

Infinix Note 40X

  • Dimensity 6300

    6 nm

  • 5000 mAh

    18W

  • 6.78"

    1080x2460 pixels

  • 108 MP

    1440p@30fps

  • Specs Infinix Note 40X Amazon Link

Realme 15

Realme 15 Comparison & Specs

Realme 15

  • Dimensity 7300

    4 nm

  • 7000 mAh

    80W

  • 6.8"

    1280 x 2800 pixels

  • 50 MP

    4K@30fps

  • Specs
Infinix Note 40X Comparison & Specs

Infinix Note 40X

Infinix Note 40X Amazon Link
Realme 15 Comparison & Specs

Realme 15

General
Launch Date
August 05, 2024
July 24, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
XOS 14
Realme UI 6.0
OS Updates
2 Years
2 Years
Security Updates
3 Years
3 Years
AI Features
AI Edit Genie, AI Party Mode, AI MagicGlow 2.0 and more
Body
Dimensions
168.9 x 76.5 x 8.3 mm
162.3 x 76.2 x 7.66 mm
Thickness
8.3 mm
7.66 mm
Weight
201 g
187 g
IP Rating
IP52 (dust and splash resistant)
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)
Display
Size
6.78 inches
6.8 inches
Type
AMOLED
OLED, 1B colors, PWM
Refresh Rate
120 Hz
144 Hz
Peak Brightness
500 nits
6500 nits
Resolution
1080x2460 pixels
1280 x 2800 pixels
Pixel Density
396 ppi
453 ppi
Aspect Ratio
19.5:9
Screen to Body Ratio
84.5 %
91.2 %
Protection
Gorilla Glass 7i
Performance
Chipset¹
Mediatek Dimensity 6300
Mediatek Dimensity 7300
Process Size
6 nm
4 nm
CPU
Octa-core
2x2.4 GHz Cortex-A76
6x Cortex-A55
Octa-core
4x2.6 GHz Cortex-A78
4x2.0 GHz Cortex-A55
GPU
Mali-G57 MC2
Mali-G615 MC2
RAM & Storage
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
No
Camera
Main Camera
108 MP
f/1.8, (wide), PDAF

2 MP
macro

2 MP
50 MP
f/1.8, 24mm (wide), 1/1.95", 0.8µm, Sony IMX882, PDAF, OIS

8 MP
f/2.2, 112˚, 16mm (ultrawide), 1/4.0", 1.12µm
OIS
No
Yes
Features
Quad-LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection
LED flash, HDR, panorama
Video Recording
1440p@30fps
1080p@30/60fps
4K@30fps
1080p@30fps, gyro-EIS, OIS
Video Recording Features
Dual Video Recording, Short Video Mode
Selfie Camera
8 MP
wide
50 MP
f/2.4 , 87˚ (wide), 1/2.8", 0.6µm
Selfie Features
Dual-LED flash
Panorama
Selfie Video Recording
1080p@30fps
4K@30fps
1080p@30fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
Dual SIM
SIM1: Nano, SIM2: Nano
SIM 1
10 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N38, N40, N41, N77, N78
9 5G Bands

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

FDD: N1, N3, N5, N8, N28
TDD: N38, N40, N41, N77, N78
9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 6
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 a/b/g/n/ac/ax 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
Bluetooth
5.3
5.4
NFC
Yes
No
GPS
Yes with A-GPS
Yes with Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
7000 mAh
Type
Li-Polymer
Li-Ion
Removable
No
No
Wired charging
18W
80W
Charging Speed
50% in 31 min
50% in 25 min
Wireless Charging
No
No
Reverse Wireless Charging
No
No
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, proximity, compass
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Colors and Pricing
Colors
Palm Blue, Lime Green, Starlit Black
Flowing Silver, Silk Pink, Velvet Green
Price in India
₹18000
Infinix Note 40X Amazon Link
₹25999
FAQs

In this performance comparison, the Realme 15 with its Mediatek Dimensity 7300 (4nm) performs better than the Infinix Note 40X with the Mediatek Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Both Infinix Note 40X and Realme 15 offer the same software support — 2 years of OS updates and 3 years of security updates.

Both Infinix Note 40X and Realme 15 feature AMOLED displays, offering vibrant colors and deeper blacks. In terms of smoothness, Realme 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Realme 15 also boasts a brighter screen with 6500 nits of peak brightness, enhancing outdoor visibility. Notably, Realme 15 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Realme 15 features a larger 7000 mAh battery, potentially delivering better battery life. Realme 15 also supports faster wired charging at 80W, compared to 18W on Infinix Note 40X.

Realme 15 offers better protection against water and dust with an IP69 rating.

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