In depth comparison and review of Xiaomi Redmi 4X and ASUS ZenFone 5Z (ZS620KL). 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 | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS620KL | |
| Form Factor | Touch | Touch | |
| Height | 139.24 mm | 153 mm | ASUS ZenFone 5Z (ZS620KL) has greater height than Xiaomi Redmi 4X. |
| Width | 69.96 mm | 75.65 mm | ASUS ZenFone 5Z (ZS620KL) has greater width than Xiaomi Redmi 4X. |
| Depth | 8.65 mm | 7.7 mm | ASUS ZenFone 5Z (ZS620KL) is narrower than Xiaomi Redmi 4X. |
| Weight | 146 g | 155 g | Xiaomi Redmi 4X is lighter than Xiaomi Redmi 4X. |
| Body Colour | Black | Midnight blue | Meteor silver | |
| Body Material | Metal | Aluminium | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.5 W/kg (body), 0.583 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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 | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS+ | |
| Screen Size (Display Size) | 5" | 6.2" | ASUS ZenFone 5Z (ZS620KL) has larger screen size than Xiaomi Redmi 4X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2246 x 1080 pixels | ASUS ZenFone 5Z (ZS620KL) has better screen resolution than Xiaomi Redmi 4X. |
| Display Format | HD | - | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | - | 18:5:9 | |
| Max Brightness | 450 cd/m² | 550 cd/m² | ASUS ZenFone 5Z (ZS620KL) has better display brightness than Xiaomi Redmi 4X. |
| Contrast Ratio | 1000:1 | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating |
| PROCESSOR | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 435 | Qualcomm Snapdragon 845 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 630 |
| MEMORY | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | ASUS ZenFone 5Z (ZS620KL) has more RAM than Xiaomi Redmi 4X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | ASUS ZenFone 5Z (ZS620KL) has more internal memory than Xiaomi Redmi 4X. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi Redmi 4X has better camera resolution than ASUS ZenFone 5Z (ZS620KL). |
| Sensor Size | - | 1/2.55" | |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | ASUS ZenFone 5Z (ZS620KL) has better lens aperture than Xiaomi Redmi 4X. |
| Lens Construction | 5-element | 6-element | |
| Optical Image Stabiliser (OIS) | - | 4 Stop OIS (Optical Image Stabilisation) | ASUS ZenFone 5Z (ZS620KL) has optical stabilisation. |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR | Night HDR | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Burst mode, Panorama | Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode) | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 4X has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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) | Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Camera Features (2nd Camera) | - | 3-axis electronic image stabilisation |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | ASUS ZenFone 5Z (ZS620KL) has better front camera resolution than Xiaomi Redmi 4X. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | ASUS ZenFone 5Z (ZS620KL) has better front lens aperture than Xiaomi Redmi 4X. |
| Special Effects (Front) | - | Night HDR | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | Beautify Selfie mode | Beauty mode, Auto mode, selfie panorama, GIF animation function | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 4X has face detection. |
| Camera Features (Front) | - | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters |
| BATTERY AND CHARGING | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3300 mAh | Xiaomi Redmi 4X has larger battery capacity than ASUS ZenFone 5Z (ZS620KL). |
|---|---|---|---|
| Fast Charging Technology | - | BoostMaster Fast Charging | ASUS ZenFone 5Z (ZS620KL) has fast charging technology. |
| 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 |
- | |
| Battery Technology | - | Lithium polymer |
| CELLULAR | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 9.0 Pie | |
| User Interface | MIUI 8 | ASUS ZenUI 5.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 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 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | - | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HID | A2DP | |
| NFC | - | Yes | ASUS ZenFone 5Z (ZS620KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 | - | |
| Sound Enhancements | - | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X |
| FEATURES | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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, proximity sensor, gyro sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control | Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji |
| OTHERS | Xiaomi Redmi 4X | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone |
|---|
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