In depth comparison and review of Xiaomi MI 4i and OPPO Reno2 Z. 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 | OPPO Reno2 Z |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 138.1 mm | 161.8 mm | OPPO Reno2 Z has greater height than Xiaomi MI 4i. |
Width | 69.6 mm | 75.8 mm | OPPO Reno2 Z has greater width than Xiaomi MI 4i. |
Depth | 7.8 mm | 8.7 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
Weight | 130 g | 195 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
Body Colour | Black | Dark grey | White | Luminous black | Sky white | |
Body Material | - | Corning Gorilla Glass 5 | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.29 W/kg | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | |
Integrated Components | FM radio | - | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 4i | OPPO Reno2 Z |
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Display Type | LCD display | OLED display | |
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Display Technology | IPS | AMOLED | |
Screen Size (Display Size) | 5" | 6.5" | OPPO Reno2 Z has larger screen size than Xiaomi MI 4i. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | OPPO Reno2 Z has better screen resolution than Xiaomi MI 4i. |
Display Format | Full HD | - | |
Pixel Density | 441 ppi | 394 ppi | Xiaomi MI 4i has better pixel density than OPPO Reno2 Z. |
Max Brightness | - | 430 cd/m² | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Contrast Ratio | - | 60000:1 | |
Display Enhancement Technology | - | OnCell technology | |
Display Protection (Screen Protector) | Corning Concore Glass | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | Xiaomi MI 4i | OPPO Reno2 Z |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek Helio P90 | |
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Clock Speed | 1.7 GHz | - | |
Processor Core Qty | 8-core | - | |
64-bit Architecture | Yes | - | Xiaomi MI 4i has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 405 | IMG 9XM-HP8 |
MEMORY | Xiaomi MI 4i | OPPO Reno2 Z |
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RAM | 2 GB | 8 GB | OPPO Reno2 Z has more RAM than Xiaomi MI 4i. |
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Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | OPPO Reno2 Z has more internal memory than Xiaomi MI 4i. |
Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 256 GB |
CAMERA | Xiaomi MI 4i | OPPO Reno2 Z |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | OPPO Reno2 Z has better camera resolution than Xiaomi MI 4i. |
Sensor Size | - | 1/2" | |
Sensor Name | - | Sony Exmor RS IMX586 sensor | |
Lens Aperture | F/2.0 | F/1.7 | OPPO Reno2 Z has better lens aperture than Xiaomi MI 4i. |
Lens Construction | 5-element | 6-element | |
Pixel Size | - | 0.8 μm | |
Focus Adjustment | Automatic | Automatic | |
Digital Zoom | - | 10x | |
Special Effects | - | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama, manual mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | |
Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
Light Source | Dual LED flash | Dual LED flash | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
Camera Features (Functions) | - | Electronic Image Stabiliser (EIS), NPU Acceleration |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Sensor Size (2nd Camera) | - | 1/4.0" | |
Lens Type (2nd Camera) | - | Wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 119 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.75 μm |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Type (4th Camera) | - | Bokeh lens | |
Lens Aperture (4th Camera) | - | F/2.4 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Front Camera Design | - | Pop-up | |
Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO Reno2 Z has better front camera resolution than Xiaomi MI 4i. |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/1.8 | F/2.0 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
Lens Element Qty (Front) | 5-element | 5-element | |
Special Effects (Front) | - | Video bokeh effect | |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
BATTERY AND CHARGING | Xiaomi MI 4i | OPPO Reno2 Z |
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Battery Capacity (Battery Size) | 3120 mAh | 4000 mAh | OPPO Reno2 Z has larger battery capacity than Xiaomi MI 4i. |
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Fast Charging Technology | - | VOOC Flash Charge technology 3.0 | OPPO Reno2 Z has fast charging technology. |
Talk Time | 2100 minutes | - | |
Run Time Details | Talk (WCDMA): up to 2100 min | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
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Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI 4i | OPPO Reno2 Z |
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Technology | TD-SCDMA / 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 5.0.2 (Lollipop) | ColorOS 6.1 (based on Android 9) | |
User Interface | MIUI V6 | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | Xiaomi MI 4i | OPPO Reno2 Z |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 4, Band 5, Band 6, Band 8, Band 19 | |
3G UMTS Frequency | - | 2100, 1900, 1700, 850, 800, 900, 800 | |
4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | |
4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
Bluetooth Profiles | A2DP, HID | - | |
NFC | - | Yes | OPPO Reno2 Z has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI 4i | OPPO Reno2 Z |
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Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
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Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | - | |
Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio |
FEATURES | Xiaomi MI 4i | OPPO Reno2 Z |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
Security Devices | - | Fingerprint reader (under display) | |
Additional Phone Features | MIMO technology, Active noise-cancellation | Fingerprint 3.0, SLA Dual Channel Network 2.0 |
OTHERS | Xiaomi MI 4i | OPPO Reno2 Z |
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Included Accessories | Power adapter | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) |
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