Side by side comparison and review of ASUS ZenFone 5 (ZE620KL) and Xiaomi Redmi S2. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE620KL | - | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 160.73 mm | Xiaomi Redmi S2 has greater height than ASUS ZenFone 5 (ZE620KL). |
| Width | 75.65 mm | 77.26 mm | Xiaomi Redmi S2 has greater width than ASUS ZenFone 5 (ZE620KL). |
| Depth | 7.7 mm | 8.1 mm | ASUS ZenFone 5 (ZE620KL) is narrower than ASUS ZenFone 5 (ZE620KL). |
| Weight | 155 g | 170 g | ASUS ZenFone 5 (ZE620KL) is lighter than ASUS ZenFone 5 (ZE620KL). |
| Body Colour | Midnight blue | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Body Material | Aluminium | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS+ | - | |
| Screen Size (Display Size) | 6.2" | 5.99" | ASUS ZenFone 5 (ZE620KL) has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 2246 x 1080 pixels | 1440 x 720 pixels | ASUS ZenFone 5 (ZE620KL) has better screen resolution than Xiaomi Redmi S2. |
| Display Format | - | HD+ | |
| Pixel Density | 402 ppi | 269 ppi | ASUS ZenFone 5 (ZE620KL) has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | 18:5:9 | 18:9 | |
| Max Brightness | 550 cd/m² | 450 cd/m² | ASUS ZenFone 5 (ZE620KL) has better display brightness than Xiaomi Redmi S2. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1000:1 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | - |
| PROCESSOR | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | 1.8 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 509 | Qualcomm ADRENO 506 |
| MEMORY | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | ASUS ZenFone 5 (ZE620KL) has more RAM than Xiaomi Redmi S2. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 5 (ZE620KL) has more internal memory than Xiaomi Redmi S2. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/2.55" | - | |
| Sensor Name | Sony Exmor RS IMX363 sensor | - | |
| Lens Aperture | F/1.8 | F/2.2 | ASUS ZenFone 5 (ZE620KL) has better lens aperture than ASUS ZenFone 5 (ZE620KL). |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 5 (ZE620KL) has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Special Effects | Night HDR | HDR, low light enhancement | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | 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) | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi S2 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | 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 | Phase Detect Auto-Focus (PDAF), AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 5 (ZE620KL) has better second camera resolution than Xiaomi Redmi S2. |
|---|---|---|---|
| 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) | 8 Megapixel | 16 Megapixel | Xiaomi Redmi S2 has better front camera resolution than ASUS ZenFone 5 (ZE620KL). |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Special Effects (Front) | Night HDR | Precise bokeh effect, AI Beautify 4.0 | |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function | Wide selfie mode | |
| Light Source (Front) | - | LED flash | |
| Camera Features (Front) | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters | - |
| BATTERY AND CHARGING | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 3080 mAh | ASUS ZenFone 5 (ZE620KL) has larger battery capacity than Xiaomi Redmi S2. |
|---|---|---|---|
| Fast Charging Technology | BoostMaster Fast Charging | - | ASUS ZenFone 5 (ZE620KL) has fast charging technology. |
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| 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 | ASUS ZenUI 5.0 | MIUI 9 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 | IEEE 802.11ac | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | ASUS ZenFone 5 (ZE620KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X | - |
| FEATURES | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | 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 | Infrared remote control, Dual microphones |
| OTHERS | ASUS ZenFone 5 (ZE620KL) | Xiaomi Redmi S2 |
|---|
| Included Accessories | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone | USB cable, power adapter, SIM card removal tool, clear soft case |
|---|
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