Detailed comparison and review of Xiaomi Redmi Note 4x and Black Shark 2. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151 mm | 163.61 mm | Black Shark 2 has greater height than Xiaomi Redmi Note 4x. |
| Width | 76 mm | 75.01 mm | Xiaomi Redmi Note 4x has greater width than Black Shark 2. |
| Depth | 8.45 mm | 8.77 mm | Xiaomi Redmi Note 4x is narrower than Xiaomi Redmi Note 4x. |
| Weight | 165 g | 205 g | Xiaomi Redmi Note 4x is lighter than Xiaomi Redmi Note 4x. |
| Body Colour | Platinum silver grey | Shadow black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.674 W/kg (body), 0.724 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.39" | Black Shark 2 has larger screen size than Xiaomi Redmi Note 4x. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Black Shark 2 has better screen resolution than Xiaomi Redmi Note 4x. |
| Display Format | Full HD | - | |
| Pixel Density | 403 ppi | 403 ppi | Both phones have the same pixel density. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 450 cd/m² | 430 cd/m² | Xiaomi Redmi Note 4x has better display brightness than Black Shark 2. |
| Contrast Ratio | 1000:1 | 60000:1 | Black Shark 2 has better display contrast ratio than Xiaomi Redmi Note 4x. |
| HDR | - | Yes | Black Shark 2 has HDR. |
| Display Refresh Rate | - | 240 Hz | |
| Display Features | 2.5D Glass, Eye protection mode, Colour temperature adjustment | Eye protection mode, Image Enhance Technology, DCI-P3 Wide colour gamut, TrueView Display, intelligent motion compensation technology |
| PROCESSOR | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.84 GHz | Black Shark 2 has higher clock speed than Xiaomi Redmi Note 4x. |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | - | Yes | Black Shark 2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 640 |
| MEMORY | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 12 GB | Black Shark 2 has more RAM than Xiaomi Redmi Note 4x. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Black Shark 2 has more internal memory than Xiaomi Redmi Note 4x. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Black Shark 2 has better camera resolution than Xiaomi Redmi Note 4x. |
| Lens Aperture | F/2.0 | F/1.75 | Black Shark 2 has better lens aperture than Xiaomi Redmi Note 4x. |
| Lens Construction | 5-element | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Special Effects | HDR | HDR, low light enhancement | |
| Camera Modes | Burst mode, Panorama, low-light shots | Panorama, Slow motion mode, Pro mode, portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 4x has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 1280 x 720 (720p), Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Camera Features (2nd Camera) | - | 6P lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Black Shark 2 has better front camera resolution than Xiaomi Redmi Note 4x. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Pixel Size (Front) | - | 0.9 μm | |
| Camera Modes (Front) | Real time beauty mode, Beautify with 36 smart beauty profiles | AI Beauty | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 4x has face detection. |
| Camera Features (Front) | Selfie countdown | 4-in-1 technology |
| BATTERY AND CHARGING | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 4000 mAh | Xiaomi Redmi Note 4x has larger battery capacity than Black Shark 2. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0 | Black Shark 2 has fast charging technology. |
| Standby Time | 264 hours | - | |
| Talk Time | 3060 minutes | - | |
| Run Time Details | Talk (2G): up to 3060 min Playback (video): up to 18 hrs Gaming: up to 15 hrs Standby (4G): up to 264 hrs Playback (audio): up to 162 hrs Reading: up to 22 hrs |
- |
| CELLULAR | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| User Interface | MIUI 8 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HID | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, WMA, AAC, AIFF, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | FLV, AVI, ASF, 3GP, WebM, 3G2, MP4 |
| FEATURES | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, hall sensor, distance sensor | Ambient light sensor, gyro sensor, geomagnetic sensor, distance sensor, gravity sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Infrared remote control | MIMO technology, MU-MIMO technology, X-Type Smart Antenna, Revolutionary Liquid Cooling 3.0, Ludicrous Mode, Black Shark Gaming AI, TrueClarity MEMC processing, SHARK key |
| OTHERS | Xiaomi Redmi Note 4x | Black Shark 2 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter, SIM card removal tool, screen protector, USB-C to 3.5 jack adapter, USB-C cable, protective case |
|---|
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