Head to head

Infinix Note 40 5G vs Vivo Y31d

Full specification and price comparison for Pakistan, updated 3 Sep 2026.

The short answer

The Infinix Note 40 5G is the stronger phone of the two, scoring 82 against 74 on our combined specification score. It leads on performance, camera and display. The Vivo Y31d still wins on battery & charging, so it remains the better choice if that is your priority. The Vivo Y31d is the cheaper of the two at PKR 57,999 against PKR 64,999.

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The verdict

Spec-derived

Infinix Note 40 5G takes it by 8.1 points on our weighted spec score.

Performance Infinix Note 40 5G leads

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

Camera Infinix Note 40 5G 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 5G leads

Pixel density, refresh rate and panel technology.

Memory & storage Infinix Note 40 5G leads

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 costs PKR 7,000 less.
  • Vivo Y31d packs a 2,200 mAh larger battery.
  • Vivo Y31d charges 11W faster.
  • Infinix Note 40 5G offers 4 GB more RAM.
  • Infinix Note 40 5G ships with 256 GB more storage.
  • Infinix Note 40 5G has a 58 MP higher-resolution main sensor.
  • Infinix Note 40 5G uses an OLED panel while the other sticks with LCD.

Buy the Infinix Note 40 5G if…

you care most about performance, camera, display and memory & storage.

Buy the Vivo Y31d if…

you care most about battery & charging.

Full specification comparison

Specification Infinix Note 40 5G Vivo Y31d
Price in Pakistan
Retail price PKR 64,999 PKR 57,999 Cheaper
Design & build
Release date May 2024 March 2026
Dimensions 165.51 × 75.93 × 7.91 mm 166.64 x 78.43 x 8.39 mm
Weight 185 g Better 219g
Water resistance IP53, dust and splash resistant IP68/IP69 Dust & Water Resistant
Display
Screen size 6.78 inches Better 6.75 Inches
Resolution 1080 × 2436 pixels. Better 720 x 1570 Pixels (256 PPI)
Panel type AMOLED Capacitive Touchscreen, 1B Colors, Multitouch 120Hz refresh rate, 1300 nits peak brightness, 10-bit color, IPS LCD, 120Hz
Protection Corning Gorilla Glass. basic scratch-resistant glass
Performance
Chipset MediaTek Dimensity 7020 (6 nm) Qualcomm Snapdragon 6s Gen 2 4G
CPU Octa-core (2 × 2.2 GHz Cortex-A78 + 6 × 2.0 GHz Cortex-A55) Octa-core
GPU IMG BXM-8-256 Adreno 610
Operating system Android 14, XOS 14 Android 16, OriginOS 6
Memory & storage
RAM 8GB / 12GB LPDDR4X Better 6GB / 8GB
Internal storage 256GB / 512GB UFS 2.2 Better 128GB / 256GB
Card slot microSDXC No
Camera
Main camera 108 MP, f/1.75, OIS + 2 MP + 2 MP, Quad-LED Flash, HDR, Panorama Better 50 MP + 2 MP HDR, Panorama, Night Mode, Portrait, Time-lapse
Selfie camera 32 MP, f/2.2, Dual-LED Flash Better 8 MP
Video recording 1440p@30fps, 1080p@30/60fps, 720p@30fps, gyro-EIS, HDR, Dual Video. 1080p@30fps
Battery & charging
Battery capacity Li-Ion (non-removable) 5000 mAh Li-Po (non-removable) 7200mAh Better
Wired charging 33W wired, 15W wireless, reverse wired charging, reverse wireless charging 44W Fast Charging Reverse Wired Charging Bypass Charging Supported Better
Connectivity & extras
SIM Dual Nano-SIM, Dual Standby 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, A2DP, LE 5.1
NFC Yes No
Sensors Fingerprint (under display, optical), Accelerometer, Gyroscope, Proximity, Compass, Ambient Light 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 5G or Vivo Y31d?

Infinix Note 40 5G comes out ahead on our combined spec score, leading by 8.1 points. It wins on performance, camera, display and memory & storage. Vivo Y31d can still be the better buy if your priorities sit elsewhere or if you find it at a lower street price.

What is the price of Infinix Note 40 5G and Vivo Y31d in Pakistan?

Infinix Note 40 5G is listed at PKR 64,999 and Vivo Y31d at PKR 57,999. That makes Vivo Y31d cheaper by PKR 7,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Infinix Note 40 5G or Vivo Y31d?

Infinix Note 40 5G scores higher in our camera assessment. Infinix Note 40 5G 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 5G or Vivo Y31d?

Vivo Y31d leads on battery. Infinix Note 40 5G carries a 5000 mAh cell and Vivo Y31d a 7200 mAh cell, with 33W and 44W wired charging respectively.

Which is better for gaming, Infinix Note 40 5G or Vivo Y31d?

Infinix Note 40 5G is the stronger gaming phone here. Infinix Note 40 5G runs the MediaTek Dimensity 7020 (6 nm) while Vivo Y31d runs the Qualcomm Snapdragon 6s Gen 2 4G.

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.