Oppo A91

Oppo A91 Specifications & Hardware Analysis

The **Oppo A91** by Oppo is officially listed at **৳24,999** in Bangladesh. Positioned in the competitive mobile market, it is built around a **6.4 inches (16.26 cm) AMOLED (1080×2340 px (FHD+))**, powered by the **Mediatek MT6771V Helio P70 (Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)) and Mali-G72 MP3 graphics**, equipped with **4 GB RAM and 128 GB internal storage**, and backed by a **4025 mAh Li-Poly (Lithium Polymer) with 20W wired, 50% in 30 min (advertised)**.

Display Panel & Visual Experience

The front of the Oppo A91 is dominated by a 6.4 inches (16.26 cm) AMOLED (1080×2340 px (FHD+)). With a pixel density of 403 ppi, text and app icons render sharp and legible. Peak brightness reaches up to 430 nits, assisting visibility during outdoor daytime use. Screen protection is provided by Corning Gorilla Glass v5. Touch response is tuned for prompt reaction to navigation gestures.

Processor, Memory & Operating System

Under the hood, the Oppo A91 runs on the Mediatek MT6771V Helio P70 (Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)) and Mali-G72 MP3 graphics, paired with 4 GB RAM and 128 GB internal storage. Operating system duties are handled by Android v9.0 (Pie) with ColorOS 11. In practical day-to-day use, this hardware configuration handles essential tasks—such as web browsing, social media feeds, banking apps, and communication—reliably. For graphics and light gaming, the Mali-G72 MP3 chip provides steady rendering on compatible settings.

Camera Setup & Video Capabilities

Photography on the Oppo A91 is anchored by a Single camera setup featuring 16 MP, f/2.0, Wide Angle, Primary Camera. The setup includes features such as Continuous Shooting, High Dynamic Range mode (HDR). For video recording, the primary camera captures up to 1920×1080. Selfie capture handles video calls and casual portraits under proper lighting.

Battery Capacity & Charging

Endurance is driven by a 4025 mAh Li-Poly (Lithium Polymer) with 20W wired, 50% in 30 min (advertised). Given the power profile of the Mediatek MT6771V Helio P70, this capacity is designed to comfortably power the device through a full day of standard daily usage. When recharging is needed, 20W wired, 50% in 30 min (advertised) replenishment speeds up the process.

Design, Build & Security

In terms of build and ergonomics, the device measures 160.2 mm x 73.3 mm x 7.9 mm with a weight of 172 grams, finished in Lightening Black, Blazing Blue, Red. Biometric authentication is handled by a Yes fingerprint sensor. Network capabilities include 2G, 3G, 4G with Dual SIM, GSM+GSM support.

Pros & Cons Breakdown

Market Verdict

At its price point of **৳24,999**, the **Oppo A91** by Oppo provides a balanced set of hardware specifications. With its 6.4 inches (16.26 cm) display, Mediatek MT6771V Helio P70 processing platform, and 4025 mAh battery, it represents a practical choice for consumers in Bangladesh seeking official hardware backed by local warranty support.