Infinix Smart 5 goes on sale for Rs 7199: Should you buy it? Infinix Smart 5 goes on sale for Rs 7199: Should you buy it? The Smart 5 comes with updated features, a bigger size, better design, and better performance. advertisement HIGHLIGHTS Infinix had launched Smart 5 in India a few days ago. The smartphone is the successor to the Smart 4 that was also launched in the budget category. The Smart 5 is powered by a Helio G25 Octa-Core processor and houses a 6000mAh battery. Infinix had launched Smart 5 in India a few days ago. The smartphone is the successor to the Smart 4 that was also launched in the budget category. The Smart 5 comes with updated features, a bigger size, better design, and better performance. The Smart 5 is powered by a Helio G25 Octa-Core processor and houses a 6000mAh battery.