Detailed comparison and review of ASUS ZenFone 3 Ultra (ZU680KL) and Xiaomi Redmi 3S. 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 | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZU680KL | - | |
| Form Factor | Touch | Touch | |
| Height | 186.4 mm | 139.3 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than Xiaomi Redmi 3S. |
| Width | 93.9 mm | 69.6 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than Xiaomi Redmi 3S. |
| Depth | 6.8 mm | 8.5 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone 3 Ultra (ZU680KL). |
| Weight | 233 g | 144 g | Xiaomi Redmi 3S is lighter than ASUS ZenFone 3 Ultra (ZU680KL). |
| Body Colour | Rose gold | Titanium grey | Glacier silver | Gold | |
| Body Material | Metal | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.43 W/kg (body), 0.62 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | HDMI - 19 pin micro HDMI Type D USB Type-C - 24 pin USB-C |
Micro-USB - 5 pin Micro-USB Type B | |
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Micro SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 6.8" | 5" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone 3 Ultra (ZU680KL) has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | Full HD | HD | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | Full Lamination, ASUS Tru2Life+ | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 430 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 1.4 GHz | ASUS ZenFone 3 Ultra (ZU680KL) has higher clock speed than Xiaomi Redmi 3S. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi 3S has higher processor core quantity than ASUS ZenFone 3 Ultra (ZU680KL). |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 510 | Qualcomm ADRENO 505 |
| MEMORY | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| RAM | 3 GB | 2 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more internal memory than Xiaomi Redmi 3S. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 200 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 13 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better camera resolution than Xiaomi Redmi 3S. |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | 5-element | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 3 Ultra (ZU680KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Depth of field | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Panorama, manual mode | |
| Light Source | Dual LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Phase Detect Auto-Focus (PDAF), ZenMotion, Smart Remove, Electronic Image Stabiliser (EIS), MiniMovie, Time Rewind | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better front camera resolution than Xiaomi Redmi 3S. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 3 Ultra (ZU680KL) has better front lens aperture than ASUS ZenFone 3 Ultra (ZU680KL). |
| Focus Adjustment | Focus free | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Slow motion video, night mode, selfie panorama | Beautify Selfie mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 3S has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | PixelMaster camera | - |
| BATTERY AND CHARGING | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Battery Capacity (Battery Size) | 4600 mAh | 4100 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than Xiaomi Redmi 3S. |
|---|---|---|---|
| Talk Time | 2040 minutes | - | |
| Run Time Details | Talk: up to 2040 min Continuous browsing (Wi-Fi): up to 14.5 hrs Playback (video): up to 12.5 hrs |
- | |
| Battery Technology | Lithium | - |
| CELLULAR | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | - | |
| User Interface | ASUS ZenUI 3.0 | MIUI V7 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 900 GSM, 1900 GSM | |
| 4G LTE Band | - | Band 3, Band 5, Band 40 | |
| 4G LTE Frequency | - | FDD 1800+, FDD 850, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.1 | |
| Bluetooth Profiles | A2DP | HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Supported Digital Audio Standards | - | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark |
| FEATURES | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| 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, digital compass, gyro sensor, hall sensor, RGB sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | QuickMemo function, Wi-Fi Miracast, Kids Mode, ASUS TruVivid technology, Power Saving Mode, Hi-Res Audio, ASUS BoostMaster technology, ASUS WebStorage (5GB), Google Drive Storage (100 GB) (free for 2 years), VisualMaster 3.0, DTS Headphone:X, ASUS SonicMaster 3.0 technology | Infrared remote control, Reading mode |
| OTHERS | ASUS ZenFone 3 Ultra (ZU680KL) | Xiaomi Redmi 3S |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool |
|---|
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