Infinix Smart 20 vs Infinix Zero Ultra: Price, Specs and Verdict in Pakistan
Compare the Infinix Smart 20 (X6840B) vs the Infinix Zero Ultra (X6820) in Pakistan. Analyze technical specifications, price benchmarks, processing capabilities, and camera performance.
Head-to-Head Overview
Verification snapshot
As Infinix continues to expand its catalog in Pakistan, buyers are often left comparing similar options like the Infinix Smart 20 and the Infinix Zero Ultra. Both devices deliver solid entry-level value but prioritize different hardware specs. In this detailed review, we compare their performance, charging speeds, camera hardware, and displays to help you choose. Take a look at the Infinix smartphone catalog to see their placement.
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 Ultra | Rs. 109,999 to Rs. 119,999 | 8GB LPDDR4X / 256GB UFS 3.1 | Ultra-fast 180W charging (0-100% in 12 mins) and premium 200MP OIS camera |
Specifications Comparison
A detailed comparison of hardware configurations. If you require standalone details of the competitor model, view the Infinix Zero Ultra full specs.
| Feature | Infinix Smart 20 | Infinix Zero Ultra |
|---|---|---|
| Model Code | X6840B | X6820 |
| Network | 4G LTE Only (No 5G) | 5G supported |
| Processor | MediaTek Helio G81 Ultimate (12nm) | MediaTek Dimensity 920 (6nm) |
| CPU | 2x Cortex-A75 @ 2.0GHz + 6x Cortex-A55 @ 1.8GHz | 2x Cortex-A78 @ 2.5GHz + 6x Cortex-A55 @ 2.0GHz |
| GPU | Mali-G52 MC2 | Mali-G68 MC4 |
| Display | 6.78-inch 120Hz HD+ IPS LCD (~720 x 1600 pixels) | 6.8-inch 120Hz Curved AMOLED (1080 x 2400 pixels) |
| Main Camera | 8MP autofocus main | 200MP with Optical Image Stabilisation (OIS) |
| Front Camera | 8MP front camera | 32MP front camera |
| Battery | 5200mAh | 4500mAh |
| Charging | 15W Wired | 180W Wired |
| Wireless | Not supported | Not supported |
| OS | Android 16 (XOS 16) | Android 12 (XOS 12) |
| Water Rating | IP64 dust and splash resistant | Not officially rated |
| Dimensions / Weight | ~201g | ~7.7mm | ~213g | ~8.8mm |
Display Technology Analysis
Analyzing the display architectures reveals a stark contrast. With its AMOLED screen, the Infinix Zero Ultra delivers stunning vibrancy and high peak brightness. In comparison, the Infinix Smart 20 uses a standard IPS LCD display which has more muted contrast ratios.
Battery Life and Charging Speed
Battery replenishment times will differ, since the Infinix Zero Ultra takes advantage of a 180W fast charging configuration, leaving the Infinix Smart 20 behind with its slower 15W power rating.
Software and Connectivity
Looking at software, both run customized versions of Android out of the box. Specifically, the Infinix Smart 20 boots to Android 16 (XOS 16) while the Infinix Zero Ultra features Android 12 (XOS 12). This software difference favors the Infinix Smart 20, which starts its lifecycle on a more modern Android generation than the Infinix Zero Ultra.
Pros and Cons
✓ Infinix Smart 20 Strengths
- More affordable purchase price range in Pakistan.
- Newer operating system out of the box (Android 16).
- Larger battery capacity (5200mAh vs 4500mAh).
✓ Infinix Zero Ultra Strengths
- Faster rated wired charging (180W Wired vs 15W Wired).
- AMOLED display technology for superior contrast.
- Premium curved screen chassis profile.
- Optical Image Stabilisation (OIS) on the main camera.
Frequently asked questions
Infinix Smart 20 ranges from Rs. 31,499 to Rs. 37,999, whereas Infinix Zero Ultra is between Rs. 109,999 to Rs. 119,999 in Pakistan.
Both carry large battery capacities (5200mAh vs 4500mAh), providing good daily endurance.
The network configuration is: Infinix Smart 20 has 4G LTE Only (No 5G) and Infinix Zero Ultra has 5G supported.
