In depth comparison and review of Xiaomi MI 4i and Wileyfox Spark X. 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 MI 4i | Wileyfox Spark X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 154.35 mm | Wileyfox Spark X has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 78.6 mm | Wileyfox Spark X has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 8.75 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 162.9 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Black sand stone | White | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.29 W/kg | 1.306 W/kg (body), 0.632 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM | Micro SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5.5" | Wileyfox Spark X has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | Xiaomi MI 4i has better screen resolution than Wileyfox Spark X. |
| Display Format | Full HD | HD | |
| Pixel Density | 441 ppi | 267 ppi | Xiaomi MI 4i has better pixel density than Wileyfox Spark X. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 800:1 | |
| Display Features | - | Full Lamination | |
| Display Protection (Screen Protector) | Corning Concore Glass | Dragontrail (scratch resistant glass), 2.5D Arc Glass |
| PROCESSOR | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6735 | |
| Clock Speed | 1.7 GHz | 1.3 GHz | Xiaomi MI 4i has higher clock speed than Wileyfox Spark X. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi MI 4i has higher processor core quantity than Wileyfox Spark X. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Mali T720 |
| MEMORY | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 11.29 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC - up to 32 GB |
| CAMERA | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | - | CMOS | |
| Sensor Name | - | Samsung ISOCELL 3M2 | |
| Lens Aperture | F/2.0 | - | |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode | - | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
| Light Source | Dual LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Wileyfox Spark X has better front camera resolution than Xiaomi MI 4i. |
| Sensor Type (Front) | - | CMOS | |
| Sensor Name (Front) | - | OmniVision 8858 sensor | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.8 | - | |
| Lens Element Qty (Front) | 5-element | - | |
| Focus Adjustment | - | Focus free |
| BATTERY AND CHARGING | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 3000 mAh | Xiaomi MI 4i has larger battery capacity than Wileyfox Spark X. |
|---|---|---|---|
| Standby Time | - | 352 hours | |
| Talk Time | 2100 minutes | 600 minutes | Xiaomi MI 4i has longer battery life when making calls than Wileyfox Spark X. |
| Run Time Details | Talk (WCDMA): up to 2100 min | Talk (GSM): up to 600 min Talk (WCDMA): up to 180 min Standby (GSM): up to 352 hrs Standby (WCDMA): up to 290 hrs Standby (dual SIM): up to 132 hrs |
|
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | CyanogenMod 13 | |
| User Interface | MIUI V6 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.1 | |
| Bluetooth Profiles | A2DP, HID | HFP, HSP, OPP, A2DP, BNEP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | - |
| FEATURES | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, 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 | Ambient light sensor, proximity sensor, 3-axis gyro sensor | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | Notification LED |
| OTHERS | Xiaomi MI 4i | Wileyfox Spark X |
|---|
| Included Accessories | Power adapter | USB cable, power adapter | |
|---|---|---|---|
| Compliant Standards | - | RoHS, WEEE, REACH, EAC, GMS |
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