Head to head

Infinix Note 40 vs Vivo Y31d

Full specification and price comparison for Pakistan, updated 1 Sep 2026.

The short answer

The Infinix Note 40 and the Vivo Y31d finish within three points of each other on our combined specification score, so neither is a clear winner. Infinix Note 40 leads on camera.

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The verdict

Spec-derived

Too close to call. These two finish within three points of each other, so the right answer depends on which category matters most to you.

Performance Level

Gaming score where available, otherwise chipset tier plus usable RAM.

Camera Infinix Note 40 leads

Camera Score where available, otherwise sensor resolution and lens count. Megapixels alone do not measure image quality.

Battery & charging Vivo Y31d leads

Cell capacity in mAh weighted with rated wired charging output.

Display Infinix Note 40 leads

Pixel density, refresh rate and panel technology.

Memory & storage Level

Highest advertised RAM and internal storage configuration.

Value for money Level

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Vivo Y31d packs a 2,200 mAh larger battery.
  • Infinix Note 40 charges 1W faster.
  • Infinix Note 40 has a 58 MP higher-resolution main sensor.
  • Infinix Note 40 uses an OLED panel while the other sticks with LCD.

Buy the Infinix Note 40 if…

you care most about camera and display.

Buy the Vivo Y31d if…

you care most about battery & charging.

Full specification comparison

Specification Infinix Note 40 Vivo Y31d
Price in Pakistan
Retail price PKR 57,999 Cheaper PKR 57,999
Design & build
Release date March 2024 (Pakistan) March 2026
Dimensions 164.1 × 74.5 × 7.8 mm 166.64 x 78.43 x 8.39 mm
Weight 190 g Better 219g
Water resistance IP54 IP68/IP69 Dust & Water Resistant
Display
Screen size 6.78 inches Better 6.75 Inches
Resolution 1080 × 2436 pixels (~393 ppi) Better 720 x 1570 Pixels (256 PPI)
Panel type AMOLED, 120Hz IPS LCD, 120Hz
Protection Scratch-resistant glass basic scratch-resistant glass
Performance
Chipset MediaTek Helio G99 Ultimate (6 nm) Qualcomm Snapdragon 6s Gen 2 4G
CPU Octa-core (2×2.2 GHz Cortex-A76 + 6×2.0 GHz Cortex-A55) Octa-core
GPU Mali-G57 MC2 Adreno 610
Operating system Android 14, XOS 14 Android 16, OriginOS 6
Memory & storage
RAM 8 GB 6GB / 8GB
Internal storage 256 GB 128GB / 256GB
Card slot Yes, microSDXC No
Camera
Main camera 108 MP wide + 2 MP depth Better 50 MP + 2 MP HDR, Panorama, Night Mode, Portrait, Time-lapse
Selfie camera 32 MP Better 8 MP
Video recording 1440p@30fps, 1080p@30/60fps 1080p@30fps
Battery & charging
Battery capacity Li-Ion (non-removable) 5000 mAh Li-Po (non-removable) 7200mAh Better
Wired charging 45W wired fast charging, wireless MagCharge support Better 44W Fast Charging Reverse Wired Charging Bypass Charging Supported
Connectivity & extras
SIM Dual Nano-SIM Dual SIM (Nano-SIM, Dual Standby)
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, Dual-Band
Bluetooth 5.3 5.1
NFC Yes No
Sensors Fingerprint (under-display), accelerometer, gyro, proximity, compass Fingerprint Sensor: Side-mounted Accelerometer Gyroscope Compass Proximity Sensor Ambient Light Sensor
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG

“Better” marks the higher (or, for price and weight, the lower) figure. It is a specification difference, not a judgement about real-world experience.

Questions people ask

Which is better, Infinix Note 40 or Vivo Y31d?

Infinix Note 40 and Vivo Y31d finish within a few points of each other, so neither is a clear winner on paper. Pick the one that leads in the category you care about most.

What is the price of Infinix Note 40 and Vivo Y31d in Pakistan?

Infinix Note 40 is listed at PKR 57,999 and Vivo Y31d at PKR 57,999. That makes Vivo Y31d cheaper by PKR 0. Retail prices move often, so treat these as indicative.

Which has the better camera, Infinix Note 40 or Vivo Y31d?

Infinix Note 40 scores higher in our camera assessment. Infinix Note 40 uses a 108 MP main sensor against 50 MP on Vivo Y31d, though sensor size and processing matter more than resolution alone.

Which phone has the better battery, Infinix Note 40 or Vivo Y31d?

Vivo Y31d leads on battery. Infinix Note 40 carries a 5000 mAh cell and Vivo Y31d a 7200 mAh cell, with 45W and 44W wired charging respectively.

Related comparisons

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Tools that use this data

Camera Score Tool Battery Score Tool Gaming Performance Checker AI Mobile Recommendation Tool All comparisons

Scores are calculated from the published hardware specification of each device using the same formula for every phone on WhatMobilePK — they are not paid placements and they are not laboratory test results. Prices are indicative Pakistani retail prices and change frequently.