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Xiaomi Redmi Note 4 Comprehensive Guide to Specs Prices Pros & Cons

Release Date
2017, January
Camera
13MP
Battery
4100mAh
Processor
Snapdragon 625
Screen
5.5"
Storage
32GB/64GB , microSDXC
Ram
3/4GB RAM
Operating System
Android 6.0, up to 7.0, MIUI 11

Design and Build Quality

The Xiaomi Redmi Note 4 is crafted with an impressive design integrating both style and functionality. With dimensions of 151 x 76 x 8.5 mm and weighing approximately 165 grams, this device boasts a sleek appearance with a robust build. The phone features an aluminum frame with a glass front and an aluminum back, balancing weight and sturdiness. It incorporates a Hybrid Dual SIM slot that supports Micro-SIM/Nano-SIM with dual stand-by, providing flexibility for users in managing their contacts and connectivity on the go.

Display

The device comes with a 5.5-inch IPS LCD display, which is a popular choice for providing consistent color reproduction and wide viewing angles. The screen offers a resolution of 1080 x 1920 pixels, resulting in a pixel density of approximately 401 ppi. This ensures that videos and images are sharp and vibrant. The display covers about 72.7% of the phone's front, balancing screen real estate and ergonomic handling.

Performance and Software

Under the hood, the Redmi Note 4 is powered by the Qualcomm MSM8953 Snapdragon 625 octa-core processor, clocked at 2.0 GHz Cortex-A53. This processor, built on a 14nm architecture, is designed for efficiency and performance, allowing the device to handle multitasking and moderate gaming with ease. The graphics are managed by the Adreno 506 GPU, which supports satisfactory graphic performance for most applications and entertainment tasks.

Initially launched with Android 6.0 (Marshmallow), the device is upgradable to Android 7.0 (Nougat), coupled with Xiaomi's custom MIUI 11. The MIUI interface offers a host of features distinct from stock Android, including custom themes, home screen customizations, and additional apps for better management of the system resources.

Memory Options

The Redmi Note 4 offers variants with different memory configurations: 32GB with 3GB RAM, 64GB with 3GB RAM, and 64GB with 4GB RAM. For users needing additional storage, the device supports microSDXC cards but uses a shared SIM slot for expansion. This setup allows users to balance between extra storage or additional connectivity depending on their personal needs.

Camera Capabilities

The smartphone is equipped with a 13 MP rear camera featuring f/2.0 aperture, PDAF (Phase Detection Autofocus), and a dual-LED dual-tone flash. These specifications promise decent photo quality in various lighting conditions. The camera supports common features such as panorama and HDR mode, allowing users to capture a diverse range of photos. Video capabilities of the main camera include 1080p @ 30fps and 720p @ 120fps, catering well to amateur videographers.

On the front, a 5 MP camera with an f/2.0 aperture is available, which supports 1080p @ 30fps video recording, making it suitable for selfies and video calls.

Sound and Connectivity

The Redmi Note 4 is equipped with a loudspeaker and a 3.5mm audio jack, an essential feature still favored by many users for its universal compatibility with audio devices. Connectivity options are rounded out with Wi-Fi 802.11 a/b/g/n supporting Wi-Fi Direct, Bluetooth 4.1, and GPS with support for GLONASS and BDS. The presence of an infrared port also adds functionality for controlling home appliances.

One of the noteworthy absences in connectivity features is NFC but the phone does come with an FM radio and microUSB 2.0 with OTG support, allowing users to connect and transfer data using USB peripherals.

Battery Life

A significant highlight of the Redmi Note 4 is its 4100 mAh non-removable Li-Po battery which provides exceptional endurance. Coupled with the energy-efficient Snapdragon 625, users can expect a robust battery life, capable of sustaining all-day usage under average loads. The endurance rating of 119 hours stands testament to its capability in delivering extended periods of usage on a single charge.

Additional Features

Security and convenience are enhanced with the inclusion of rear-mounted fingerprint sensors, which facilitate rapid and secure access to the device. Additional sensors like accelerometer, gyro, proximity, and compass ensure a complete sensor package for various applications.

Price and Availability

Xiaomi released the Redmi Note 4 in January 2017, offering several color options such as Dark Gray, Gold, Black, and Lake Blue, enhancing consumer choices in terms of aesthetics. At a price point of around 150 EUR, the device is positioned as a cost-effective solution offering substantial features and performance that competes with higher-priced devices.

Conclusion

In summary, the Xiaomi Redmi Note 4 provides a comprehensive blend of style, performance, and value. It embodies what many seek in a smartphone: utility, performance, and longevity, wrapped in a sleek metal build. Despite some minor limitations, such as the absence of NFC, the Redmi Note 4 remains a formidable choice in the budget segment, offering features and build quality that belies its price.

Key Features of Xiaomi Redmi Note 4

  • Network Technology: GSM / HSPA / LTE
  • Body: Glass front, aluminum back, aluminum frame
  • Display: 5.5-inch IPS LCD, 1080 x 1920 pixels (~401 ppi)
  • Chipset: Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • CPU: Octa-core 2.0 GHz Cortex-A53
  • Camera: 13 MP main camera, 5 MP selfie camera
  • Battery: Li-Po 4100 mAh, non-removable
  • Sensors: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
  • Colors: Dark Gray, Gold, Black, Lake Blue
  • Price: About 150 EUR
  • Infrared port & FM Radio supported
  • Sound: Loudspeaker & 3.5mm jack available
  • Upgradeable OS to Android 7.0 (Nougat) with MIUI 11

Drawbacks of Xiaomi Redmi Note 4

  • No NFC support, limiting contactless payment options.
  • Uses microUSB 2.0 instead of the newer USB-C standard.
  • Hybrid SIM slot requires choosing between a second SIM and microSD card for expanded storage.
  • Ships initially with Android 6.0, upgradeable to only Android 7.0 (Nougat).
  • Lacks quick charging support for its 4100 mAh battery.
  • Limited internal storage options for high-performance tasks (32GB/64GB variants).
  • 5 MP front camera may not meet expectations for high-quality selfies compared to newer devices.
Network
Technology GSM / HSPA / LTE
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 4, 5, 7, 8, 20, 38, 40
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Launch
Announced 2017, January
Status Available. Released 2017, January
Body
Dimensions 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
Weight 165 g (5.82 oz)
Build Glass front, aluminum back, aluminum frame
SIM Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
Type IPS LCD
Size 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Platform
OS Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
Chipset Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 2.0 GHz Cortex-A53
GPU Adreno 506
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Main Camera
Single 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Features Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps, 720p@120fps
Selfie camera
Single 5 MP, f/2.0
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth 4.1, A2DP, LE
Positioning GPS, GLONASS, BDS
NFC No
Infrared port Yes
Radio FM radio
USB microUSB 2.0, OTG
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 4100 mAh, non-removable
Misc
Colors Dark Gray, Gold, Black, Lake Blue
Models 2016100
SAR EU 0.72 W/kg (head)     0.67 W/kg (body)
Price About 150 EUR
Tests
Performance GFXBench: 3.4fps (ES 3.1 onscreen)
Display Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
Camera Photo / Video
Loudspeaker Voice 67dB / Noise 70dB / Ring 81dB
Audio quality Noise -94.6dB / Crosstalk -94.3dB
Battery (old) Endurance rating 119h

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