Infinix Smart 20 vs Infinix Zero 40 4G: Comprehensive Pakistan Comparison
Choosing between the Infinix Smart 20 and Infinix Zero 40 4G in Pakistan is one of the most asked questions in the Infinix community. Both phones target similar price ranges but offer different strengths: the Infinix Smart 20 (MediaTek Helio G81 Ultimate (12nm)) offers a 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) while the Infinix Zero 40 4G (MediaTek Helio G100 (6nm)) features a 6.78-inch 120Hz Curved AMOLED (1080 x 2436 pixels). The Infinix Smart 20 is priced at Rs. 31,499 to Rs. 37,999 while the Infinix Zero 40 4G retails around Rs. 74,999 to Rs. 79,999. This detailed comparison covers display quality, gaming performance, camera results and battery endurance, similar to other major series highlights like the Infinix Hot 50 Pro Plus.
Infinix Smart 20 Price in Pakistan
| Source | Price | Variant |
|---|---|---|
| PriceOye | Rs. 31,499 | 4GB physical / 64GB |
| WhatMobile | Rs. 31,499 to Rs. 37,999 | 4GB physical RAM |
| Official Infinix Pakistan | At authorised dealers | All variants |
Display: IPS LCD Panel
The Infinix Smart 20 uses a 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) with 120Hz refresh rate at HD+ (720p) resolution. IPS LCD provides accurate colours and wide viewing angles. The 120Hz refresh rate ensures smooth scrolling through feeds, web pages and gaming. This display design competes in visual aesthetics directly with the premium curved panel styling on the Infinix Note Edge 5G.
Processor and Performance
Running on the MediaTek Helio G81 Ultimate (12nm) with 2x Cortex-A75 @ 2.0GHz + 6x Cortex-A55 @ 1.8GHz CPU and Mali-G52 MC2 GPU, the Infinix Smart 20 handles everyday tasks with ease. As a 5G device, it delivers fast network speeds for streaming, browsing and cloud gaming. With 4GB physical RAM, multitasking is fluid even under moderate load. Users looking for absolute peak mobile gaming frame rates and high-refresh capabilities can also compare this setup with the specialized Infinix GT 30 Pro.
Camera System
The Infinix Smart 20 features a 8MP autofocus main primary sensor and Not listed secondary camera. The front camera is a 8MP front camera. AI scene recognition handles portrait mode, night photography and auto-scene detection.
Battery and Charging
A 5200mAh battery powers the Infinix Smart 20 with 15W Wired fast charging. Wireless charging is not available on this model. In real-world testing the 5200mAh capacity typically delivers a full day of mixed usage. For budget buyers seeking alternative power endurance configurations, the Infinix Smart 20 offers another option with extended standby times.
Full Specifications
| Specification | Details |
|---|---|
| Model | X6840B |
| Network | 4G LTE Only (No 5G) |
| Processor | MediaTek Helio G81 Ultimate (12nm) |
| CPU | 2x Cortex-A75 @ 2.0GHz + 6x Cortex-A55 @ 1.8GHz |
| GPU | Mali-G52 MC2 |
| Display | 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) |
| RAM | 4GB physical |
| Storage | 64GB / 128GB eMMC 5.1 |
| MicroSD | Dedicated slot present |
| Main Camera | 8MP autofocus main |
| Secondary Camera | Not listed |
| Selfie Camera | 8MP front camera |
| Battery | 5200mAh |
| Wired Charging | 15W Wired |
| Wireless Charging | Not supported |
| OS | Android 16 (XOS 16) |
| IP Rating | IP64 dust and splash resistant |
| NFC | Yes (region-dependent) |
| IR Blaster | Yes |
| Audio | 3.5mm jack present, single bottom speaker |
| Weight/Thickness | ~201g | ~7.7mm |
| Colours | Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange |
| Price in Pakistan | Rs. 31,499 to Rs. 37,999 |
Side-by-Side: Infinix Smart 20 vs Infinix Zero 40 4G
| Feature | Infinix Smart 20 | Infinix Zero 40 4G |
|---|---|---|
| Processor | MediaTek Helio G81 Ultimate (12nm) | MediaTek Helio G100 (6nm) |
| Display | 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) | 6.78-inch 120Hz Curved AMOLED (1080 x 2436 pixels) |
| Main Camera | 8MP autofocus main | 108MP with Optical Image Stabilisation (OIS) |
| Battery | 5200mAh | 5000mAh |
| Charging | 15W Wired | 45W Wired |
| Wireless | Not supported | Not supported |
| RAM | 4GB physical | 8GB physical |
| Storage | 64GB / 128GB eMMC 5.1 | 256GB / 512GB UFS 2.2 |
| Network | 4G LTE Only (No 5G) | 4G LTE Only (No 5G) |
| Price (PK) | Rs. 31,499 to Rs. 37,999 | Rs. 74,999 to Rs. 79,999 |
Pros
- Android 16 at launch with large 5200mAh battery
- 120Hz smooth display
- 15W Wired fast charging
- 5G connectivity
- Expandable storage
Cons
- No wireless charging
- LCD panel only
- Older Android version on base model
- Limited at some regional retailers
Buying Verdict
The Infinix Smart 20 is a solid choice for Pakistani buyers seeking android 16 at launch with large 5200mah battery. At Rs. 31,499 to Rs. 37,999, it competes well at this price point. 5G makes it a future-proof investment. Verdict: Recommended for buyers prioritising android performance.
Frequently Asked Questions
What is the Infinix Smart 20 price in Pakistan?
The Infinix Smart 20 is currently priced between Rs. 31,499 to Rs. 37,999 in Pakistan depending on the retailer, variant and available discount.
Does the Infinix Smart 20 support 5G?
Yes, the Infinix Smart 20 supports 5G connectivity using the 4G LTE Only (No 5G) standard.
How much RAM does the Infinix Smart 20 have?
The Infinix Smart 20 comes with 4GB physical of physical RAM, which provides smooth multitasking performance for day-to-day tasks and moderate gaming.
What is the charging speed of the Infinix Smart 20?
The Infinix Smart 20 supports 15W Wired fast charging. Wireless charging is not supported on this device.
