Realme 15x 5G (8GB RAM + 128GB) vs Infinix Note 40X 5G


Quick Comparison


Both Realme 15x 5G (8GB RAM + 128GB) and Infinix Note 40X 5G comes with same RAM. In terms of display resolution, Infinix Note 40X 5G has better resolution of 2406 x 1080 than Realme 15x 5G (8GB RAM + 128GB) which has resolution of 1570 x 720. Infinix Note 40X 5G has more internal memory than Realme 15x 5G (8GB RAM + 128GB)

NameRealme 15x 5G (8GB RAM + 128GB)Infinix Note 40X 5G
RAM8 GB8 GB
Display6.81 in6.78 in
Internal Memory128 GB256 GB
Battery7000 mAh5000 mAh
Camera50 MP + 2 MP Dual108 MP + 2 MP Triple
PriceRs. 17999Rs. 14999

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Detailed Comparison


Price And Launch

The launch Date of the first phone is October 01, 2025. The cost of Realme 15x 5G (8GB RAM + 128GB) is Rs. 17999. The launch Date of the second phone is August 05, 2024. The cost of Infinix Note 40X 5G is Rs. 14999.

Display comparison

Realme 15x 5G (8GB RAM + 128GB) has larger screen size of 6.81 inches in comparison to Infinix Note 40X 5G's 6.78 inch screen. Realme 15x 5G (8GB RAM + 128GB) has IPS Screen type where as Infinix Note 40X 5G has IPS LCD Screen type. Realme's phone has display density of 394 PPI & Infinix's phone has only 389 PPI display density. In terms of screen to body ratio, Infinix's phone has better screen to body ratio of ~ 93.8% than Realme's phone ~ 90.4%.

Memory comparison

Both phones come with 8 GB RAM Infinix Note 40X 5G has more Internal Memory (256 GB) than Realme 15x 5G (8GB RAM + 128GB) (128 GB).

Camera comparison

Infinix Note 40X 5G's 108 MP + 2 MP Triple Rear Camera outshines Realme 15x 5G (8GB RAM + 128GB)'s 50 MP + 2 MP Dual Rear Camera in terms of resolution. Realme 15x 5G (8GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Infinix Note 40X 5G's 8 MP Front Camera.

Technical comparison

Both the phones has Android Operating System but the first one runs on version 15 and the second one on 14 version.

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Full Comparison


NameRealme 15x 5G (8GB RAM + 128GB)Infinix Note 40X 5G
General
ModelNote 40 5G
Sim TypeDual Sim, GSM+GSM (Hybrid Slot)Dual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Nano SIMNano+Nano SIM
Device TypeSmartphoneSmartphone
Release DateOctober 01, 2025August 05, 2024
In The Box1 realme 15x 5G, 1 USB Type-C Cable, 1 80W Adapter, 1 Protect Case, 1 SIM Card Needle, 1 Screen Protect Film, 1 Quick GuideHandset, Adaptor, USB Type C Cable, TPU Case, Stickers, Sim Ejector Pin, Quick Start Guide, Warranty Card, Xclub Card
Design
Dimensions77.93 x 166.07 x 8.28 mm76.49 x 168.94 x 8.26 mm
Weight212 g201 g
Bezel lessNoNo
ColorsAqua Blue, Marine Blue, Maroon RedObsidian Black, Titan Gold
Display
TypeColor IPS Screen (16M Colors)Color IPS LCD Screen (1B Colors)
TouchYes, 180 Hz Touch Sampling RateYes
Size6.81 inches, 720 x 1570 pixels, 144 Hz6.78 inches, 1080 x 2406 pixels, 120 Hz
Aspect Ratio20:9
PPI~ 394 PPI~ 389 PPI
Screen to Body Ratio~ 90.4%~ 93.8%
BrightnessHBM 1200nit
FeaturesContrast Ratio: Typical 1500: 1; minimum 1200: 1100% Wide Color Gamut, 500nits Brightness, Dynamic Bar
NotchYes, Punch HoleYes, Punch Hole
Memory
RAM8 GB8 GB
Expandable RAMUpto 10 GB Extra Virtual RAMUpto 8 GB Extra Virtual RAM
Storage128 GB256 GB
Storage TypeUFS 2.2
Card SlotYes, (Hybrid Slot)Yes, upto 1 TB
Connectivity
GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
5GYesYes
5G Bands5G NR: n1/3/5/8/28B/40/41/77/78n1/n3/n5/n8/n28/n38/n40/n41/n77/n78
VoLTEYes, Dual Stand-ByYes
WifiYes, with wifi-hotspotYes, with wifi-hotspot
Wifi VersionSupport 802.11 a/b/g/n, Wi-Fi 5(802.11ac)802.11 (a/b/g/n/ac)
BluetoothYes, v5.3Yes, v5.2
USBYes, USB-C v2.0Yes, USB-C v2.0
USB FeaturesUSB Tethering, USB on-the-go, USB Charging, USB StorageUSB Tethering, USB on-the-go, USB Charging, USB Storage
Extra
GPSBeidou, GPS, GLONASS, Galileo, QZSSYes
Fingerprint SensorYes, SideYes, Side
Face UnlockYesYes
SensorsProximity sensor, Ambient light sensor, E-compass, AccelerometerG Sensor, E-Compass, Gyroscope (Software), Light Sensor, Proximity Sensor, Side Mounted Fingerprint Sensor
3.5mm Headphone JackYes
NFCYes
AI FeaturesAl Edit Genie
Water ResistanceYes
IP RatingIP69 ProIP52
Dust ResistantYesYes
Extra FeaturesDual-mic Noise CancellationDual Speakers
Camera
Rear Camera50 MP (Wide Angle)
Resolution: 4096x3072, Equivalent Focal Length: 28mm, FOV: 76°, Lens: 5P, Sensor: 1/2.93”
2 MP (Depth Sensor)
108 MP ƒ/1.8 (Wide Angle)

AI Lens
2 MP
Camera SensorSony IMX852
Auto FocusYesYes
FeaturesPhoto, Portrait Mode, Night, Panorama, Cinematic, TIME-LAPSE, HI-RES, Underwater, PRO, Hypertext, TILT-SHIFT, AI LANDSCAPE Mode, Street Photography Mod, Dual-View Video ModeAI Lens, Camera Features: Film, Video, AI Cam, Portrait, Super Night, AR Shot, Short Video, Pro, Slow Motion, Dual Video, Panorama, Super Macro, Documents, Timelapse, Sky Shop
Video Recording1080p @ 30 fps FHD, 720p @ 30 fps HD1440p @ 30 fps QHD, 1080p @ 30 fps FHD
FlashYes, LEDYes, Quad LED
Front Camera50 MP ƒ/2.4 (Wide Angle)
OV50D40 50MP Resolution: 4080x3072 Equivalent Focal Length: 22mm FOV:87° Aperture:f/2.4 Lens:5P Sensor: 1/2.88"
Punch Hole, Screen Flash
8 MP ƒ/2.2 (Wide Angle)
Punch Hole, Dual LED Flash
Front Video Recording1080p @ 30 fps FHD1080p @ 30 fps FHD
Technical
OSAndroid v15Android v14
Custom UIRealme UI 6XOS 14
ChipsetMediatek Dimensity 6300Mediatek Dimensity 6300
CPU2.4 GHz, Octa Core Processor2.4 GHz, Octa Core Processor
Core Details2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz
GPUArm Mali-G57 MC2Mali-G57 MC2
JavaNoNo
BrowserYesYes
Multimedia
EmailYesYes
MusicMP3, AAC, APE, AMR, WAV, OGG, FLAC, WMAYes
VideoAVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLVYes
FM RadioNoYes
Speaker Type1115 Ultra-Linear Speaker
Document ReaderYesYes
Battery
TypeNon-Removable BatteryNon-Removable Battery
Size7000 mAh5000 mAh
Fast ChargingYes, 60W SUPERVOOC ChargeYes, 18W Fast Charge
Reverse ChargingYes, 6.5WYes
Talk Time16 hours
Video Playback Time15 hours
Music Playback Time90 hours

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