Infinix Note 40 5G
Infinix
PKR 64,999
78/100 overall
Full specs & reviewHead to head
Infinix Note 40 5G vs Infinix Smart 20
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 78 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 64,999.
Infinix Smart 20
Infinix
PKR 34,999
68/100 overall
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The verdict
Spec-derivedInfinix Note 40 5G takes it by 10.4 points on our weighted spec score.
What actually differs
- Infinix Smart 20 costs PKR 30,000 less.
- Infinix Smart 20 packs a 200 mAh larger battery.
- Infinix Note 40 5G charges 18W faster.
- Infinix Note 40 5G offers 4 GB more RAM.
- Infinix Note 40 5G ships with 384 GB more storage.
- Infinix Note 40 5G has a 95 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, 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 5G | Infinix Smart 20 |
|---|---|---|
| Price in Pakistan | ||
| Retail price | PKR 64,999 | PKR 34,999 Cheaper |
| Design & build | ||
| Release date | May 2024 | 4 March 2026 |
| Dimensions | 165.51 × 75.93 × 7.91 mm | 167.7 × 78.8 × 7.7 mm |
| Weight | 185 g | Not officially specified by Infinix. |
| Water resistance | IP53, dust and splash resistant | IP64 Dust & Splash Resistant |
| Display | ||
| Screen size | 6.78 inches | 6.78 Inches |
| Resolution | 1080 × 2436 pixels. Better | 720 × 1576 pixels (HD+) |
| Panel type | AMOLED Capacitive Touchscreen, 1B Colors, Multitouch 120Hz refresh rate, 1300 nits peak brightness, 10-bit color, | IPS LCD, 120Hz, 700 nits (HBM) |
| Protection | Corning Gorilla Glass. | Not officially confirmed |
| Performance | ||
| Chipset | MediaTek Dimensity 7020 (6 nm) | 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 / 12GB LPDDR4X Better | 4GB LPDDR4X (Up to 8GB Memory Fusion) |
| Internal storage | 256GB / 512GB UFS 2.2 Better | 64GB / 128GB eMMC 5.1 |
| Card slot | microSDXC | Dedicated microSDXC (Expandable up to 2TB) |
| Camera | ||
| Main camera | 108 MP, f/1.75, OIS + 2 MP + 2 MP, Quad-LED Flash, HDR, Panorama Better | 13 MP, Dual LED Flash |
| Selfie camera | 32 MP, f/2.2, Dual-LED Flash Better | 8 MP, f/2.0 (wide) |
| Video recording | 1440p@30fps, 1080p@30/60fps, 720p@30fps, gyro-EIS, HDR, Dual Video. | 1440p (2K) @ 30fps 1080p @ 30fps |
| Battery & charging | ||
| Battery capacity | Li-Ion (non-removable) 5000 mAh | Li-Po (Non-removable) 5,200 mAh Better |
| Wired charging | 33W wired, 15W wireless, reverse wired charging, reverse wireless charging 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 | 5.3, A2DP, LE | 5.2 |
| NFC | Yes | Yes |
| Sensors | Fingerprint (under display, optical), Accelerometer, Gyroscope, Proximity, Compass, Ambient Light | 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 5G or Infinix Smart 20?
Infinix Note 40 5G comes out ahead on our combined spec score, leading by 10.4 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 5G and Infinix Smart 20 in Pakistan?
Infinix Note 40 5G is listed at PKR 64,999 and Infinix Smart 20 at PKR 34,999. That makes Infinix Smart 20 cheaper by PKR 30,000. Retail prices move often, so treat these as indicative.
Which has the better camera, Infinix Note 40 5G or Infinix Smart 20?
Infinix Note 40 5G scores higher in our camera assessment. Infinix Note 40 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 5G or Infinix Smart 20?
Infinix Note 40 5G leads on battery. Infinix Note 40 5G carries a 5000 mAh cell and Infinix Smart 20 a 5200 mAh cell, with 33W and 15W wired charging respectively.
Which is better for gaming, Infinix Note 40 5G or Infinix Smart 20?
Infinix Note 40 5G is the stronger gaming phone here. Infinix Note 40 5G runs the MediaTek Dimensity 7020 (6 nm) while Infinix Smart 20 runs the MediaTek Helio G81 Ultimate (12nm).
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Tools that use this data
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.