In depth comparison and review of ASUS ZenFone 2 and Nokia C21 Plus. 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 | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | TA-1424 | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 164.8 mm | Nokia C21 Plus has greater height than ASUS ZenFone 2. |
| Width | 77.2 mm | 75.9 mm | ASUS ZenFone 2 has greater width than Nokia C21 Plus. |
| Depth | 10.9 mm | 8.55 mm | Nokia C21 Plus is narrower than ASUS ZenFone 2. |
| Weight | 170 g | 191 g | ASUS ZenFone 2 is lighter than ASUS ZenFone 2. |
| Body Colour | Osmium Black | Dark cyan | Warm grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.87 W/kg (body), 0.92 W/kg (head) | 1.29 W/kg (body), 0.685 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm USB |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 5.5" | 6.517" | Nokia C21 Plus has larger screen size than ASUS ZenFone 2. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 2 has better screen resolution than Nokia C21 Plus. |
| Display Format | Full HD | - | |
| Pixel Density | 400 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) | 2.5D tempered glass |
| PROCESSOR | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Processor Type (CPU) | Intel Atom | Spreadtrum Unisoc | |
|---|---|---|---|
| Processor Number | Z3580 | SC9863A | |
| Clock Speed | 2.3 GHz | 1.6 GHz | ASUS ZenFone 2 has higher clock speed than Nokia C21 Plus. |
| Processor Core Qty | Quad-core | 8-core | Nokia C21 Plus has higher processor core quantity than ASUS ZenFone 2. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 2 has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| RAM | 4 GB | 2 GB | ASUS ZenFone 2 has more RAM than Nokia C21 Plus. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| HDR Mode | Super HDR | - | |
| Camera Modes | Panoramic pictures, night mode, wide selfie mode, Beauty mode | Panorama, Portrait | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | Zero Shutter Lag, Blue Glass Infrared Filter, By Pixel Super Resolution technology | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Focus Adjustment | Automatic | - | |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | - | |
|---|---|---|---|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0 (Lollipop) | Android 11 (Go edition) | |
| User Interface | ASUS ZenUI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | ASUS ZenFone 2 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| FEATURES | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Kids Mode, Glove Touchscreen Operation, ASUS BoostMaster technology | 2 years of Security Updates |
| OTHERS | ASUS ZenFone 2 | Nokia C21 Plus |
|---|
| Included Accessories | Headset, power adapter | Headphones, power adapter, USB-C cable, protective case |
|---|
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