Side by side comparison and review of Xiaomi MI A1 and OPPO Reno4 Z 5G. 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 | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2065 | |
| Form Factor | Touch | Touch | |
| Height | 155.4 mm | 163.8 mm | OPPO Reno4 Z 5G has greater height than Xiaomi MI A1. |
| Width | 75.8 mm | 75.5 mm | Xiaomi MI A1 has greater width than OPPO Reno4 Z 5G. |
| Depth | 7.3 mm | 8.1 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
| Weight | 165 g | 184 g | Xiaomi MI A1 is lighter than Xiaomi MI A1. |
| Body Colour | Black | Ink black | Dew white | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 0.905 W/kg (head), 0.88 W/kg (head), 2.686 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C 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 | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS IPS | LTPS | |
| Screen Size (Display Size) | 5.5" | 6.57" | OPPO Reno4 Z 5G has larger screen size than Xiaomi MI A1. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | OPPO Reno4 Z 5G has better screen resolution than Xiaomi MI A1. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 403 ppi | 401 ppi | Xiaomi MI A1 has better pixel density than OPPO Reno4 Z 5G. |
| Max Brightness | 450 cd/m² | 480 cd/m² | OPPO Reno4 Z 5G has better display brightness than Xiaomi MI A1. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1500:1 | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | 2.5D curved glass | Dark mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek Dimensity 800 5G | |
|---|---|---|---|
| Processor Number | - | MT6873V | |
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Mali-G57 MC4 |
| MEMORY | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 8 GB | OPPO Reno4 Z 5G has more RAM than Xiaomi MI A1. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO Reno4 Z 5G has more internal memory than Xiaomi MI A1. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | OPPO Reno4 Z 5G has better camera resolution than Xiaomi MI A1. |
| Sensor Size | - | 1/2" | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.7 | OPPO Reno4 Z 5G has better lens aperture than Xiaomi MI A1. |
| Lens Construction | 5-element | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 25 mm | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR, Beautify 3.0 | Live HDR, Bokeh effect, Stickers | |
| Camera Modes | Panorama, Continuous shot, low-light shots | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Dazzle Colour Mode, Ultra dark mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, Ultra Steady Video, contrast detection auto-focus (CDAF), 4-in-1 pixel binning |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Xiaomi MI A1 has better second camera resolution than OPPO Reno4 Z 5G. |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.6 | F/2.2 | OPPO Reno4 Z 5G has better second camera lens aperture than Xiaomi MI A1. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Features (2nd Camera) | - | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Pixel Size (3rd Camera) | - | 1.75 μm |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Monochrome |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO Reno4 Z 5G has better front camera resolution than Xiaomi MI A1. |
| Lens Aperture (Front) | - | F/2.0 | |
| Pixel Size (Front) | - | 1 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Beautify with 36 smart beauty profiles | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
| Light Source (Front) | - | Display flash | |
| Still Image Resolutions (Front) | - | 4608 x 3456 | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Self-timer | 5P lens |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Front) | - | F/2.4 | |
| Pixel Size (2nd Front) | - | 1.75 μm | |
| Camera Functions (2nd Front) | - | 3D depth camera | |
| Camera Features (2nd Front) | - | 3-piece lens |
| BATTERY AND CHARGING | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 4000 mAh | OPPO Reno4 Z 5G has larger battery capacity than Xiaomi MI A1. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 116 min | |
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Reno4 Z 5G has more advanced generation mobile network. |
| Operating System | Google Android | ColorOS 7.1 (based on Android 10) | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| Bluetooth Profiles | HID | - | |
| NFC | - | Yes | OPPO Reno4 Z 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | MKV, FLV, AVI, WMV, ASF, 3GP, H.264, H.265, MP4 | |
| Sound Enhancements | Dirac HD Sound | Hi-Res audio certified, Dirac 2.0 sound effect |
| FEATURES | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| 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, hall sensor | Accelerometer, ambient light sensor, proximity sensor, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Noise suppression by Fortemedia | Multitasking, Fast Charging, OPPO Relax |
| OTHERS | Xiaomi MI A1 | OPPO Reno4 Z 5G |
|---|
| Included Accessories | Power adapter | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification |
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