Side by side comparison and review of Xiaomi Redmi 7A and Nokia G21. 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 Redmi 7A | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.3 mm | 164.6 mm | Nokia G21 has greater height than Xiaomi Redmi 7A. |
| Width | 70.41 mm | 75.9 mm | Nokia G21 has greater width than Xiaomi Redmi 7A. |
| Depth | 9.55 mm | 8.5 mm | Nokia G21 is narrower than Xiaomi Redmi 7A. |
| Weight | 165 g | 190 g | Xiaomi Redmi 7A is lighter than Xiaomi Redmi 7A. |
| Body Colour | Matte black | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | 1.048 W/kg (body), 0.339 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB 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 |
| DISPLAY | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 5.45" | 6.5" | Nokia G21 has larger screen size than Xiaomi Redmi 7A. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1600 x 720 pixels | Nokia G21 has better screen resolution than Xiaomi Redmi 7A. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 295 ppi | - | |
| Aspect Ratio | 18:9 | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Contrast Ratio | 1000:1 | - | |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | Reading mode, Colour temperature adjustment, night mode | V-notch display, High brightness mode |
| PROCESSOR | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 439 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T606 | |
| Clock Speed | 2 GHz | 1.6 GHz | Xiaomi Redmi 7A has higher clock speed than Nokia G21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 7A has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | - |
| MEMORY | Xiaomi Redmi 7A | Nokia G21 |
|---|
| RAM | 2 GB | 4 GB | Nokia G21 has more RAM than Xiaomi Redmi 7A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Nokia G21 has more internal memory than Xiaomi Redmi 7A. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi 7A | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than Xiaomi Redmi 7A. |
| Sensor Size | - | 1/2.76" | |
| Sensor Type | - | CMOS | |
| Lens Aperture | F/2.2 | F/1.8 | Nokia G21 has better lens aperture than Xiaomi Redmi 7A. |
| Lens Construction | - | 5-element | |
| Pixel Size | 1.25 μm | 0.64 μm | Xiaomi Redmi 7A has larger camera pixel size than Nokia G21. |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | AI portrait mode, AI Beautify 4.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Nokia G21 has better front camera resolution than Xiaomi Redmi 7A. |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 4.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Selfie countdown | - |
| BATTERY AND CHARGING | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5050 mAh | Nokia G21 has larger battery capacity than Xiaomi Redmi 7A. |
|---|---|---|---|
| Run Time Details | - | Mixed usage: up to 72 hrs |
| CELLULAR | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 11 | |
| User Interface | MIUI 9 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Supported Digital Audio Standards | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | - | |
|---|---|---|---|
| Supported Digital Video Standards | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | - | |
| Sound Enhancements | - | OZO spatial sound recording |
| FEATURES | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | A.I. face recognition | Face Unlock | |
| Additional Phone Features | AI face unlock | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | Xiaomi Redmi 7A | Nokia G21 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | USB-C cable, screen protector (pre-applied), 10W charger | |
|---|---|---|---|
| Compliant Standards | TÜV Rheinland Certified Eye-Care | - |
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