In depth comparison and review of OPPO Reno4 Z 5G and Alcatel 1S (2021). 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 | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2065 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.8 mm | 165.64 mm | Alcatel 1S (2021) has greater height than OPPO Reno4 Z 5G. |
| Width | 75.5 mm | 75.59 mm | Alcatel 1S (2021) has greater width than OPPO Reno4 Z 5G. |
| Depth | 8.1 mm | 8.8 mm | OPPO Reno4 Z 5G is narrower than OPPO Reno4 Z 5G. |
| Weight | 184 g | 190 g | OPPO Reno4 Z 5G is lighter than OPPO Reno4 Z 5G. |
| Body Colour | Ink black | Dew white | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.905 W/kg (head), 0.88 W/kg (head), 2.686 W/kg (limb) | 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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 | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS | IPS | |
| Screen Size (Display Size) | 6.57" | 6.52" | OPPO Reno4 Z 5G has larger screen size than Alcatel 1S (2021). |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | OPPO Reno4 Z 5G has better screen resolution than Alcatel 1S (2021). |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Refresh Rate | 120 Hz | - | |
| Touch Sampling Rate | 120 Hz | - | |
| Display Features | Dark mode | 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | MediaTek Dimensity 800 5G | MediaTek | |
|---|---|---|---|
| Processor Number | MT6873V | MTK6762D | |
| Clock Speed | 2 GHz | 1.8 GHz | OPPO Reno4 Z 5G has higher clock speed than Alcatel 1S (2021). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G57 MC4 | IMG GE8320 |
| MEMORY | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 3 GB | OPPO Reno4 Z 5G has more RAM than Alcatel 1S (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | OPPO Reno4 Z 5G has more internal memory than Alcatel 1S (2021). |
| User Memory | - | 17 GB | |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | OPPO Reno4 Z 5G has better camera resolution than Alcatel 1S (2021). |
| Sensor Size | 1/2" | 1/3.06" | Alcatel 1S (2021) has better camera sensor size than OPPO Reno4 Z 5G. |
| Lens Aperture | F/1.7 | F/2.0 | OPPO Reno4 Z 5G has better lens aperture than OPPO Reno4 Z 5G. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | - | 77.1 degree(s) | |
| Pixel Size | 0.8 μm | 1.12 μm | Alcatel 1S (2021) has larger camera pixel size than OPPO Reno4 Z 5G. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 25 mm | - | |
| Special Effects | Live HDR, Bokeh effect, Stickers | HDR | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Dazzle Colour Mode, Ultra dark mode | Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source | LED flash | Single tone 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 | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, Ultra Steady Video, contrast detection auto-focus (CDAF), 4-in-1 pixel binning | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI scene detection, AI Composition, AI Filter, Smart Album |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | OPPO Reno4 Z 5G has better second camera resolution than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | OPPO Reno4 Z 5G has better second camera lens aperture than OPPO Reno4 Z 5G. |
| Lens Element Qty (2nd Camera) | 5-element | 3-element | |
| Field of View (2nd Camera) | 119 degree(s) | 87.3 degree(s) | OPPO Reno4 Z 5G has larger second camera lens field of view than Alcatel 1S (2021). |
| Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | 5-piece lens | 3-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | 3-element | 3-element | |
| Field of View (3rd Camera) | - | 84 degree(s) | |
| Pixel Size (3rd Camera) | 1.75 μm | 1.65 μm | OPPO Reno4 Z 5G has larger third camera pixel size than Alcatel 1S (2021). |
| Camera Functions (3rd Camera) | - | Macro camera |
| 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 | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO Reno4 Z 5G has better front camera resolution than Alcatel 1S (2021). |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO Reno4 Z 5G has better front lens aperture than OPPO Reno4 Z 5G. |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | 1 μm | 1.12 μm | Alcatel 1S (2021) has larger front camera pixel size than OPPO Reno4 Z 5G. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | Face Beautification | |
| Camera Modes (Front) | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, Portrait | Night mode, Bokeh Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source (Front) | Display flash | Display flash | |
| Still Image Resolutions (Front) | 4608 x 3456 | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | 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 | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Recharge Time (Charging Time) | 116 min | 150 min | OPPO Reno4 Z 5G has shorter charging time than OPPO Reno4 Z 5G. |
| Standby Time | - | 512 hours | |
| Talk Time | - | 1920 minutes | |
| Run Time Details | - | Standby (2G): up to 512 hrs Standby (3G): up to 488 hrs Standby (4G): up to 392 hrs Talk (4G): up to 1200 min Talk (2G): up to 1920 min |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | OPPO Reno4 Z 5G has more advanced generation mobile network. |
| Operating System | ColorOS 7.1 (based on Android 10) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSPA+, 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 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 850, 900 | |
| 4G LTE Band | 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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 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 | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| NFC | Yes | - | OPPO Reno4 Z 5G has NFC reader for mobile payments. |
| MEDIA | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, H.264, H.265, MP4 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC | |
| Sound Enhancements | Hi-Res audio certified, Dirac 2.0 sound effect | - |
| FEATURES | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| 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, geomagnetic sensor, gravity sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Multitasking, Fast Charging, OPPO Relax | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | OPPO Reno4 Z 5G | Alcatel 1S (2021) |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case | USB cable, power adapter, SIM card removal tool, LCD sticker | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | - |
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