In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Xiaomi Redmi 4X. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZX551ML | - | |
Form Factor | Touch | Touch | |
Height | 158.9 mm | 139.24 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than Xiaomi Redmi 4X. |
Width | 78.8 mm | 69.96 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Xiaomi Redmi 4X. |
Depth | 12 mm | 8.65 mm | Xiaomi Redmi 4X is narrower than ASUS ZenFone Zoom (ZX551ML). |
Weight | 185 g | 146 g | Xiaomi Redmi 4X is lighter than ASUS ZenFone Zoom (ZX551ML). |
Body Colour | Ceramic white | Pure black | Black | |
Body Material | - | Metal | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.5 W/kg (body), 0.583 W/kg (head) | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Micro SIM, nano SIM | |
SIM Card Qty | - | Dual-SIM | |
SIM Card Configuration Details | - | Micro SIM + nano SIM/microSD |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Display Type | LCD display | - | |
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Display Technology | IPS | - | |
Screen Size (Display Size) | 5.5" | 5" | ASUS ZenFone Zoom (ZX551ML) has larger screen size than Xiaomi Redmi 4X. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone Zoom (ZX551ML) has better screen resolution than Xiaomi Redmi 4X. |
Display Format | Full HD | HD | |
Pixel Density | 401 ppi | - | |
Max Brightness | - | 450 cd/m² | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1000:1 | |
Display Features | - | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | |
Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 435 | |
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Processor Number | Z3590 | - | |
Clock Speed | 2.5 GHz | 1.4 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Xiaomi Redmi 4X. |
Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi 4X has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
64-bit Architecture | - | Yes | Xiaomi Redmi 4X has 64-bit architecture. |
Graphics System (GPU) | PowerVR G6430 | Qualcomm ADRENO 505 |
MEMORY | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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RAM | 4 GB | 3 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than Xiaomi Redmi 4X. |
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Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 128 GB |
CAMERA | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
Lens Aperture | F/2.7-4.8 | F/2.0 | Xiaomi Redmi 4X has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
Lens Construction | - | 5-element | |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | ASUS ZenFone Zoom (ZX551ML) has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Digital Zoom | 3x | - | |
Special Effects | - | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | Burst mode, Panorama | |
Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
Light Source | Dual LED flash | LED light | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF) |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
Camera Modes (Front) | - | Beautify Selfie mode | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 4X has face detection. |
BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Battery Capacity (Battery Size) | 3000 mAh | 4100 mAh | Xiaomi Redmi 4X has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
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Standby Time | - | 432 hours | |
Talk Time | - | 2160 minutes | |
Run Time Details | - | Talk: up to 2160 min Playback (video): up to 15 hrs Gaming: up to 13 hrs Standby (LTE): up to 432 hrs Playback (audio): up to 87 hrs Reading: up to 26 hrs Navigation: up to 15 hrs |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 5.0 (Lollipop) | - | |
User Interface | ASUS ZenUI 2.0 | MIUI 8 | |
Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 9, Band 18, Band 19, Band 28 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
Bluetooth Profiles | A2DP | HID | |
NFC | Yes | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Supported Digital Audio Standards | - | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
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Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 |
FEATURES | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor | |
Security Devices | - | Fingerprint reader | |
Additional Phone Features | Multitasking | Infrared remote control |
OTHERS | ASUS ZenFone Zoom (ZX551ML) | Xiaomi Redmi 4X |
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Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool |
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