Head to head

Infinix Note 40 Pro 5G vs Infinix Smart 20

Full specification and price comparison for Pakistan, updated 4 Sep 2026.

The short answer

The Infinix Note 40 Pro 5G is the stronger phone of the two, scoring 76 against 68 on our combined specification score. It leads on performance, camera and battery & charging. The Infinix Smart 20 still wins on value for money, so it remains the better choice if that is your priority. The Infinix Smart 20 is the cheaper of the two at PKR 34,999 against PKR 87,999.

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The verdict

Spec-derived

Infinix Note 40 Pro 5G takes it by 7.7 points on our weighted spec score.

Performance Infinix Note 40 Pro 5G leads

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

Camera Infinix Note 40 Pro 5G leads

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

Battery & charging Infinix Note 40 Pro 5G leads

Cell capacity in mAh weighted with rated wired charging output.

Display Infinix Note 40 Pro 5G leads

Pixel density, refresh rate and panel technology.

Memory & storage Infinix Note 40 Pro 5G leads

Highest advertised RAM and internal storage configuration.

Value for money Infinix Smart 20 leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Infinix Smart 20 costs PKR 53,000 less.
  • Infinix Smart 20 packs a 200 mAh larger battery.
  • Infinix Note 40 Pro 5G charges 30W faster.
  • Infinix Note 40 Pro 5G offers 8 GB more RAM.
  • Infinix Note 40 Pro 5G ships with 128 GB more storage.
  • Infinix Note 40 Pro 5G has a 95 MP higher-resolution main sensor.
  • Infinix Note 40 Pro 5G uses an OLED panel while the other sticks with LCD.

Buy the Infinix Note 40 Pro 5G if…

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

Buy the Infinix Smart 20 if…

you care most about value for money.

Full specification comparison

Specification Infinix Note 40 Pro 5G Infinix Smart 20
Price in Pakistan
Retail price PKR 87,999 PKR 34,999 Cheaper
Design & build
Release date March 2024 4 March 2026
Dimensions 164.28 × 74.50 × 8.09 mm 167.7 × 78.8 × 7.7 mm
Weight 190 g Not officially specified by Infinix.
Water resistance IP53, Dust and Splash Resistant IP64 Dust & Splash Resistant
Display
Screen size 6.78-inch 6.78 Inches
Resolution 1080 × 2436 pixels Better 720 × 1576 pixels (HD+)
Panel type 3D Curved AMOLED 120Hz Refresh Rate, 1300 nits Peak Brightness, 1.07 Billion Colors, 100% DCI-P3 IPS LCD, 120Hz, 700 nits (HBM)
Protection Corning Gorilla Glass Not officially confirmed
Performance
Chipset MediaTek Dimensity 7020 (6nm) MediaTek Helio G81 Ultimate (12nm)
CPU Octa-core (2×2.2 GHz Cortex-A78 + 6×2.0 GHz Cortex-A55) Octa-core (2 × 2.0GHz Cortex-A75 + 6 × 1.7GHz Cortex-A55)
GPU IMG BXM-8-256 Mali-G52 MC2
Operating system Android 14, XOS 14, Android 16 XOS 16
Memory & storage
RAM 8GB LPDDR4X , up to 16GB Extended RAM. Better 4GB LPDDR4X (Up to 8GB Memory Fusion)
Internal storage 256GB UFS 2.2. Better 64GB / 128GB eMMC 5.1
Card slot No Dedicated microSDXC (Expandable up to 2TB)
Camera
Main camera Triple Camera, 108MP Main + 2MP + 2MP, OIS, PDAF, 3× Lossless Superzoom, Triple-LED Flash Better 13 MP, Dual LED Flash
Selfie camera 32MP, f/2.2, Wide, Fixed Focus, HDR Better 8 MP, f/2.0 (wide)
Video recording 2K@30fps, 1080p@60/30fps, 720p@30fps 1440p (2K) @ 30fps 1080p @ 30fps
Battery & charging
Battery capacity Li-Po (Non-removable) 5000 mAh Li-Po (Non-removable) 5,200 mAh Better
Wired charging 45W Wired Fast Charging, 20W Wireless MagCharge. All-Round FastCharge 2.0 Better 15W Wired Fast Charging, 5W Reverse Wired Charging, USB Type-C 2.0 Port.
Connectivity & extras
SIM Dual Nano-SIM, Dual Standby Dual 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 5.2 5.2
NFC Yes Yes
Sensors Fingerprint (under-display, optical), Accelerometer, Gyroscope, Proximity Sensor, Ambient Light Sensor, E-Compass. Side-mounted Fingerprint Accelerometer Proximity Compass
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 Pro 5G or Infinix Smart 20?

Infinix Note 40 Pro 5G comes out ahead on our combined spec score, leading by 7.7 points. It wins on performance, camera, battery & charging, display and memory & storage. Infinix Smart 20 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 Pro 5G and Infinix Smart 20 in Pakistan?

Infinix Note 40 Pro 5G is listed at PKR 87,999 and Infinix Smart 20 at PKR 34,999. That makes Infinix Smart 20 cheaper by PKR 53,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Infinix Note 40 Pro 5G or Infinix Smart 20?

Infinix Note 40 Pro 5G scores higher in our camera assessment. Infinix Note 40 Pro 5G uses a 108 MP main sensor against 13 MP on Infinix Smart 20, though sensor size and processing matter more than resolution alone.

Which phone has the better battery, Infinix Note 40 Pro 5G or Infinix Smart 20?

Infinix Note 40 Pro 5G leads on battery. Infinix Note 40 Pro 5G carries a 5000 mAh cell and Infinix Smart 20 a 5200 mAh cell, with 45W and 15W wired charging respectively.

Which is better for gaming, Infinix Note 40 Pro 5G or Infinix Smart 20?

Infinix Note 40 Pro 5G is the stronger gaming phone here. Infinix Note 40 Pro 5G runs the MediaTek Dimensity 7020 (6nm) while Infinix Smart 20 runs the MediaTek Helio G81 Ultimate (12nm).

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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.