Xiaomi Redmi Note 4 (S625) review

Introduction

It's time to meet the Snapdragon 625 edition. It promises better battery efficiency and thermal control thanks to a more advanced manufacturing process. But these improvements may have cost the Note 4 some of its performance punch, and we will duly explore this possibility.

   

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The Helio-powered Redmi Note 4 we met earlier earned nothing but high praise from us. It offered high-quality design, blazing-fast performance, and great battery life. Xiaomi has been known to use different chips for different markets and the Note 4 is no exception. Today, we are getting to know the Snapdragon edition of the Redmi Note 4, which has been released in India not long ago. The Redmi Note 4 with Snapdragon 625 gets to keep the same all-metal exterior with the fancy 2.5D edges on the front glass. The 5.5" 1080p screen is here to stay, as is the 13MP main camera with phase-detect autofocus. The battery is one of the highlights of the Redmi series, and the Note 4 has its whopping 4,100 mAh capacity untouched.

Xiaomi Redmi Note 4 Key Features

• Body: Aluminum unibody design, 2.5D front glass
• Screen: 5.5" IPS display of 1080p resolution; 401ppi
• Chipset: Snapdragon 625 with octa-core 2.0GHz Cortex-A53 processor; Adreno 506 GPU 
• OS: Android 6.0 Marshmallow with MIUI 8 (Global 8.2.7.0) 
• RAM: 2, 3 or 4 GB
• Memory: 32 or 64 GB storage; microSD support, hybrid slot shared with 2nd SIM
• Camera: 13 megapixel rear camera, f/2.0 aperture, PDAF, dual-LED dual-tone flash; 1080p @ 30fps video, 720p @ 120fps Selfies: 5 megapixel front camera, f/2.0 aperture; 1080p @ 30fps video 
• Connectivity: Dual SIM, LTE, Wi-Fi 802.11ac, Bluetooth 4.1, IR, microUSB, FM radio 
• Misc: Fingerprint sensor Battery: 4,100mAh battery 

Main shortcomings
Launches with Android Marshmallow, which is not the most recent version
Non-removable battery Hybrid DualSIM/microSD slot limits options
No Quick charge 2.0/3.0 support, just 5V/2A charging

We've been here quite a few times with mid-range Xiaomi phones and none of these omissions come as a surprise. The sealed battery has been an essential part of the Mi and Redmi series since their third generation, while the hybrid SIM slot is a middle-of-the-road solution that still works for the majority of users. The lack of fast charging is what could be a deal breaker for some, as this large battery does take a while to recharge.