Infinix Smart 20 vs Infinix Zero 40 5G: Which One Should You Buy in Pakistan?
Compare the Infinix Smart 20 (X6840B) vs the Infinix Zero 40 5G (X6861) in Pakistan. Analyze technical specifications, price benchmarks, processing capabilities, and camera performance.
Head-to-Head Overview
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Comparing the Infinix Smart 20 and the Infinix Zero 40 5G is essential for any buyer looking to get the best value in Pakistan. Despite sharing the same core Infinix software experience, they differ in display speeds, charging times, and processor efficiency. When matched against the Infinix Hot 50 Pro Plus retail value, each model displays unique strengths. Below, we dissect their hardware parameters side-by-side to determine which device offers the best performance relative to its price.
Price Comparison in Pakistan
The table below shows the observed market listings checked across Lahore, Karachi, Islamabad, and online platforms. For deep market research, consult our Infinix Smart 20 price guides.
| Model | Observed Price Range | Configuration | Best Feature Value |
|---|---|---|---|
| Infinix Smart 20 | Rs. 31,499 to Rs. 37,999 | 4GB physical / 64GB / 128GB eMMC 5.1 | Android 16 at launch with large 5200mAh battery |
| Infinix Zero 40 5G | Rs. 94,999 to Rs. 104,999 | 12GB physical LPDDR5X / 256GB / 512GB UFS 3.1 | 144Hz curved screen, 50MP selfie shooter, and wireless charging support |
Specifications Comparison
A detailed comparison of hardware configurations. If you require standalone details of the competitor model, view the Infinix Zero 40 5G full specs.
| Feature | Infinix Smart 20 | Infinix Zero 40 5G |
|---|---|---|
| Model Code | X6840B | X6861 |
| Network | 4G LTE Only (No 5G) | 5G supported |
| Processor | MediaTek Helio G81 Ultimate (12nm) | MediaTek Dimensity 8200 Ultimate (4nm) |
| CPU | 2x Cortex-A75 @ 2.0GHz + 6x Cortex-A55 @ 1.8GHz | 1x Cortex-A78 @ 3.1GHz + 3x Cortex-A78 @ 3.0GHz + 4x Cortex-A55 @ 2.0GHz |
| GPU | Mali-G52 MC2 | Mali-G610 MC6 |
| Display | 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) | 6.78-inch 144Hz Curved AMOLED (1080 x 2436 pixels) |
| Main Camera | 8MP autofocus main | 108MP with Optical Image Stabilisation (OIS) |
| Front Camera | 8MP front camera | 50MP front camera |
| Battery | 5200mAh | 5000mAh |
| Charging | 15W Wired | 45W Wired |
| Wireless | Not supported | 20W Wireless supported |
| OS | Android 16 (XOS 16) | Android 16 (XOS 16) |
| Water Rating | IP64 dust and splash resistant | IP54 dust and splash resistant |
| Dimensions / Weight | ~201g | ~7.7mm | ~195g | ~7.9mm |
Display Technology Analysis
Display technology is a key area where these two devices diverge. The Infinix Zero 40 5G sports a Curved AMOLED display with a 144Hz refresh rate, offering richer colors and deep contrast. In contrast, the Infinix Smart 20 is equipped with a standard IPS LCD running at 120Hz. The LCD screen gets the job done for daily browsing, but it cannot compete with the Pro’s AMOLED screen in terms of contrast and color vibrancy. The touch sampling rate is also significantly higher on the AMOLED screen, providing faster response times for mobile gamers.
When assessing long-term display durability and comfort, color gamut coverage also plays a critical role. Devices equipped with AMOLED screens typically cover a wider DCI-P3 color space, reproducing films and photographs with lifelike precision. In comparison, standard LCD screens rely on constant backlighting, which can wash out deep colors and reduce screen-on-battery efficiency during dark mode operation.
Battery Life and Charging Speed
Charging capabilities differ significantly between the two units. The Infinix Zero 40 5G features a 45W Wired charging system that minimizes plugged-in downtime. The Infinix Smart 20 relies on 15W Wired charging, which requires a longer charging cycle to reach a full charge. If quick replenishment is a priority, the Pro’s setup is a major advantage. Furthermore, safety protocols on the Pro model prevent overheating during rapid charge cycles.
Power management protocols also differ under heavy usage stress. Slower charging rates prioritize thermal safety, but they increase the time the device is tethered to a wall socket. Faster wired systems employ dual-cell structures to distribute voltage safely, allowing high speeds without damaging battery chemistry over normal usage lifetimes.
Pros and Cons
✓ Infinix Smart 20 Strengths
- More affordable price selection in the regional market
- Large display screen footprint optimal for video playback
- Stated feature: Android 16 at launch with large 5200mAh battery
- Reliable day-to-day software suite running standard optimization
✓ Infinix Zero 40 5G Strengths
- Improved technical layout for performance workloads
- Premium design configuration with slim chassis profiling
- Stated feature: 144Hz curved screen, 50MP selfie shooter, and wireless charging support
- Excellent charging speed and fluid display refresh metrics
Frequently asked questions
Infinix Smart 20 ranges from Rs. 31,499 to Rs. 37,999, whereas Infinix Zero 40 5G is between Rs. 94,999 to Rs. 104,999 in Pakistan.
Both carry large battery capacities (5200mAh vs 5000mAh), providing good daily endurance.
The network configuration is: Infinix Smart 20 has 4G LTE Only (No 5G) and Infinix Zero 40 5G has 5G supported.
