Infinix Note 40S vs OPPO K13x 5G (6GB RAM +128GB)

Here you can compare Infinix Note 40S and OPPO K13x 5G (6GB RAM +128GB). Comparing Infinix Note 40S vs OPPO K13x 5G (6GB RAM +128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Infinix Note 40S stands against OPPO K13x 5G (6GB RAM +128GB) and which one should you buy The current lowest price found for Infinix Note 40S is ₹14,990 and for OPPO K13x 5G (6GB RAM +128GB) is ₹16,999. The details of both of these products were last updated on Jun 02, 2026.

Specification	Infinix Note 40S	OPPO K13x 5G (6GB RAM +128GB)
Rear Camera	108 MP ƒ/1.9 (Wide Angle) 2 MP ƒ/2.4 (Macro)	50 MP ƒ/1.8 (Wide Angle) OV50D, 1/2.88 inch Sensor Size, 0.61um Pixel Size, CMOS(4-in-1), FOV: 76 Degree, Equivalent Focal Length: 27mm, 5P Lens, Effective Focal Length: 3.98mm, PDAF 2 MP ƒ/2.4 (Depth Sensor) 1.75um Pixel Size, CMOS, 1/5 inch Sensor Size, FOV: 89 Degree, Equivalent Focal Length: 22mm, 3P Lens, Effective Focal Length: 1.77mm, Fixed Focus)
Display	6.78 inches, 1080 x 2436 pixels, 120 Hz	6.67 inches, 720 x 1604 pixels, 120 Hz
Battery	5000 mAh, Li-Po Battery	6000 mAh, Li-ion Battery
OS	Android v14	Android v15
Internal Memory	256 GB	128 GB
Price	₹14,990	₹16,999

Infinix Note 40S₹14,990

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OPPO K13x 5G (6GB RAM +128GB)₹16,9994%

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Infinix Note 40S₹14,990

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OPPO K13x 5G (6GB RAM +128GB)₹16,9994%

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Overview

Specs Score	63 / 100 Better Specs	54 / 100
Display Resolution	1080 x 2436 pixels Better Resolution	720 x 1604 pixels
RAM	8 GB More RAM	6 GB
Storage	256 GB More Storage	128 GB
CPU Clock Speed	2.2 GHz	2.4 GHz Faster Clock Speed
Rear Camera	108 MP + 2 MP Dual Better Camera Resolution	50 MP + 2 MP Dual
Front Camera	32 MP Better Front Camera Resolution	8 MP
Weight	176 g Lighter	194 g
Battery	5000 mAh	6000 mAh Bigger Battery
Unique Features	No No NFC Wireless Charging Reverse Charging IR Blaster	5G 3.5mm Audio Jack No No No No

General

Country of Origin		India
Model	X6850B	K13x
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM (Hybrid Slot)
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	September, 2024	June 23, 2025
In The Box		Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case

Design

Dimensions	74.6 x 164.1 x 7.8 mm	76.2 x 165.7 x 7.9 mm
Weight	176 g	194 g
Colors	Obsidian Black, Vintage Green	Midnight Violet, Sunset Peach

Display

Type	Color AMOLED Screen (1B Colors)	Color HD+ LCD (16.7 Million)
Touch	Yes, 240 Hz Touch Sampling Rate	Yes, 240 Hz Touch Sampling Rate
Size	6.78 inches, 1080 x 2436 pixels, 120 Hz	6.67 inches, 720 x 1604 pixels, 120 Hz
Aspect Ratio	20:9	20:9
PPI	~ 393 PPI	~ 264 PPI
Screen to Body Ratio	~ 89.8%	~ 89.9%
Glass Type	Corning Gorilla Glass
Brightness		Brightness: 850nit (Normal), 1000nit (HBM)
Features	650nit Type, 1300nit Peak, 2160Hz PWM Dimming	10 Touch Points, Contrast Ratio: 1500:1 (Typical), Color Saturation: 83% NTSC, Color Gamut: 88% DCI-P3 (Vivid Mode), 100% sRGB (Natural Mode), Supports Dark Mode, DC Dimming, Supports Eye Comfort, Supports Sunlight Screen
Notch	Yes, Punch Hole	Yes, Punch Hole

Memory

RAM	8 GB	6 GB
Expandable RAM	Upto 8 GB Extra Virtual RAM
Storage	256 GB	128 GB
Storage Type	UFS 2.2	UFS
Card Slot	Yes	Yes, (Hybrid Slot), upto 2 TB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G		Yes
5G Bands		n1/n3/n5/n8/n28B/n40/n41/n77/n78
VoLTE	Yes, Dual Stand-By	Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	Wi-Fi 5 (802.11 a/b/g/n/ac), Dual Band	WiFi 5 (802.11 ac), 802.11 b/g/a/n, WLAN 2.4 GHz, WLAN 5 GHz, Dual Band (WiFi 2.4 GHz, WiFi 5 GHz)
Bluetooth	Yes, A2DP, LE	Yes, v5.4, SBC, AAC, aptX, aptX HD, and LDAC
USB	Yes, USB-C v2.0	Yes, USB-C v2.0
USB Features	USB Tethering, USB on-the-go, USB Charging	USB Tethering, USB on-the-go, USB Charging
IR Blaster	Yes

Extra

GPS	Yes, with A-GPS	Yes, BEIDOU, GPS, GLONASS, GALILEO, QZSS, AGPS
Fingerprint Sensor	Yes, In Display	Yes, Side
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass	Proximity Sensor, Ambient Light Sensor, E-Compass, Accelerometer
3.5mm Headphone Jack	No	Yes
NFC	Yes
AI Features		AI Eraser, AI Clarity Enhancer, AI Smart Image Matting 2.0, AI Reflection Remover, AI Unblur, AI Motion, AI Portrait, AI Reimage, AI Summary, AI Writer
Water Resistance		1.18 m upto 1.05 min
Splash Resistant	Yes	Yes
IP Rating	IP54	IP65
Dust Resistant	Yes	Yes
Extra Features	Cheetah X1 Chip, Stereo Speakers with Sound by JBL, Dual Microphones, LPDDR4X RAM	Dual-view Video, Outdoor Mode and Glove Touch, Ultra-Volume Mode, Trinity Engine, Screen Translator, Google Gemini App

Camera

Rear Camera	108 MP ƒ/1.9 (Wide Angle) 2 MP ƒ/2.4 (Macro)	50 MP ƒ/1.8 (Wide Angle) OV50D, 1/2.88 inch Sensor Size, 0.61um Pixel Size, CMOS(4-in-1), FOV: 76 Degree, Equivalent Focal Length: 27mm, 5P Lens, Effective Focal Length: 3.98mm, PDAF 2 MP ƒ/2.4 (Depth Sensor) 1.75um Pixel Size, CMOS, 1/5 inch Sensor Size, FOV: 89 Degree, Equivalent Focal Length: 22mm, 3P Lens, Effective Focal Length: 1.77mm, Fixed Focus)
Auto Focus	Yes	Yes
Features	HDR, Panorama	Photo, Video, Portrait, Night, Pro, Panorama, Slo-Mo, Dual View Video, Timelapse, Sticker, Hypertext, Hi-Res, Google Lens, Supports Fill Light for Video Shooting
Video Recording	1440p @ 30 fps QHD, 1080p @ 30 fps FHD	1080p @ 60 fps FHD, 720p @ 30 fps HD
Flash	Yes, LED	Yes, LED
Front Camera	32 MP ƒ/2.2 (Wide Angle) Punch Hole, Dual LED Flash	8 MP ƒ/2 (Wide Angle) 1.12um Pixel Size, CMOS, 1/4 inch Sensor Size, FOV: 80 Degree, Equivalent Focal Length: 25mm, 4P Lens, Effective Focal Length: 2.66mm, Fixed Focus Punch Hole
Front Video Recording	1080p @ 30 fps FHD	1080p @ 30 fps FHD, 720p @ 30 fps HD

Technical

OS	Android v14	Android v15
Custom UI	XOS 14	ColorOS 15
Chipset	Mediatek Helio G99	Mediatek Dimensity 6300
CPU	2.2 GHz, Octa Core Processor	2.4 GHz, Octa Core Processor
Core Details	2x Cortex-A76 @ 2.2GHz 6x Cortex-A55 @ 2GHz	2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz
GPU	Mali-G57 MC2	ARM Mali-G57 MC2
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	MP3, FLAC, OGG, WAV, AAC	MP3, AAC, AMR, APE, OGG, FLAC, WAV, MIDI, WMA
Video	MP4, MKV, TS, 3GP, WEBM	AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV, Webm, TS
FM Radio	Yes	Yes, with FM Recording
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	6000 mAh, Li-ion Battery
Fast Charging	Yes, 45W All Round FastCharge2.0	Yes, 45W SUPERVOOCTM Flash Charging
Wireless Charging	Yes, 20W
Reverse Charging	Yes

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