In depth comparison and review of Archos Diamond Alpha and Realme C21. 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 | Archos Diamond Alpha | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.65 mm | 165.2 mm | Realme C21 has greater height than Archos Diamond Alpha. |
| Width | 72.5 mm | 76.4 mm | Realme C21 has greater width than Archos Diamond Alpha. |
| Depth | 7.45 mm | 8.9 mm | Archos Diamond Alpha is narrower than Archos Diamond Alpha. |
| Weight | 155 g | 190 g | Archos Diamond Alpha is lighter than Archos Diamond Alpha. |
| Body Colour | - | Cross black | Cross blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.761 W/kg (body), 1.02 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Archos Diamond Alpha | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS IPS | LCD | |
| Screen Size (Display Size) | 5.2" | 6.5" | Realme C21 has larger screen size than Archos Diamond Alpha. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Archos Diamond Alpha has better screen resolution than Realme C21. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 424 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 450 cd/m² | 420 cd/m² | Archos Diamond Alpha has better display brightness than Realme C21. |
| Contrast Ratio | 1500:1 | - | |
| Display Features | 2.5D Glass | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Archos Diamond Alpha | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 652 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2.3 GHz | Realme C21 has higher clock speed than Archos Diamond Alpha. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Archos Diamond Alpha has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 510 | PowerVR GE8320 |
| MEMORY | Archos Diamond Alpha | Realme C21 |
|---|
| RAM | LPDDR3 SDRAM - 4 GB | LPDDR4X SDRAM - 3 GB | Archos Diamond Alpha has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Archos Diamond Alpha has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Archos Diamond Alpha | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | - | LED flash | |
| Still Image Resolutions | 4160 x 3120 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, NeoVision 6.0 | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 2 Megapixel | Archos Diamond Alpha has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Archos Diamond Alpha has better second camera lens aperture than Archos Diamond Alpha. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Archos Diamond Alpha has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Archos Diamond Alpha has better front lens aperture than Archos Diamond Alpha. |
| Lens Element Qty (Front) | 5-element | 3-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| BATTERY AND CHARGING | Archos Diamond Alpha | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 2950 mAh | 5000 mAh | Realme C21 has larger battery capacity than Archos Diamond Alpha. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Archos Diamond Alpha | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 10 | |
| User Interface | Nubia UI 4.0 | Realme UI | |
| Intelligent Assistant | Google Now | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Archos Diamond Alpha | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSPA+ | FDD-LTE, TDD-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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | - | 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 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/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 LE | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Archos Diamond Alpha | Realme C21 |
|---|
| Supported Digital Audio Standards | AAC, AMR, FLAC, OGG, MKA, MIDI, M4A | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, 3GP, MPEG | - |
| FEATURES | Archos Diamond Alpha | Realme C21 |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Multitasking | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Archos Diamond Alpha | Realme C21 |
|---|
| Included Accessories | USB cable, power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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