Oppo A31 2020 Vs Samsung Galaxy A21 Specs Comparison
Oppo A31 2020 keeps a 6.5" IPS screen, Helio P35 chipset, 4 GB RAM, 128 GB storage, triple rear camera with 13 MP main sensor + 2 MP depth-sensing lens + 2 MP macro lens, 8 MP front camera, 4230 mAh battery without fast charging and 190 dollars price on launch.
While Samsung Galaxy A21 offers Helio P35 chipset, 3 GB RAM, 32 GB storage, 6.5" Super AMOLED screen, 4000 mAh battery with 15W fast charging, quad rear camera with 16 MP main sensor + 8 MP ultra-wide lens + 2 MP depth-sensor + 2 MP macro lens and 13 MP front camera.
Here’s an in-depth specifications comparison between Oppo A31 2020 Vs Samsung Galaxy A21.
Jump to:
Samsung Galaxy A21
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Oppo A31 2020
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Brand and Model
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Brand and Model
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Brand
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Brand
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Samsung
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Oppo
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Model
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Model
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Galaxy A21
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A31
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Model Alias
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Model Alias
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SM-A215U
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Galaxy A21 Operating System
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Oppo A31 Operating System (OS)
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Android 10
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ColorOS 6.1.2 (Android 9.0 Pie)
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A21 User Interface (UI)
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Oppo A31 User Interface (UI)
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One UI 2.0
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| Galaxy A21 System on Chip (SOC) | Oppo A31 System on Chip (SOC) |
| A21 SOC | Oppo A31 SOC |
| MediaTek Helio P35 (MT6765) | MediaTek Helio P35 (MT6765V/CB) |
| A21 Process Technology | Oppo A31 Process Technology |
| 12 nm | 12 nm |
| A21 CPU | Oppo A31 CPU |
| 4x 2.3 GHz ARM Cortex-A53 | 4x 2.3 GHz ARM Cortex-A53 |
| 4x 1.8 GHz ARM Cortex-A53 | 4x 1.8 GHz ARM Cortex-A53 |
| A21 CPU Bits | Oppo A31 CPU Bits |
| 64 bit | 64 bit |
| A21 Instruction Set | Oppo A31 Instruction Set |
| ARMv8-A | ARMv8-A |
| A21 CPU Frequency | Oppo A31 CPU Frequency |
| 2300 MHz | 2300 MHz |
| A21 CPU Cores | Oppo A31 CPU Cores |
| 8 | 8 |
| A21 GPU | Oppo A31 GPU |
| PowerVR GE8320 | PowerVR GE8320 |
| A21 GPU Frequency | Oppo A31 GPU Frequency |
| 680 MHz | 680 MHz |
| Galaxy A21 RAM Capacity | Oppo A31 RAM Capacity |
| 3 GB | 4 GB |
| A21 RAM Type | Oppo A31 RAM Type |
| LPDDR4X | LPDDR4X |
| A21 RAM Channels | Oppo A31 RAM Channels |
| Double channel | Double channel |
| A21 RAM Frequency | Oppo A31 RAM Frequency |
| 1866 MHz | 1866 MHz |
| Galaxy A21 Storage | Oppo A31 Storage |
| 32 GB | 128 GB |
| eMMC 5.1 | |
| Galaxy A21 Memory Cards | Oppo A31 Memory Cards |
| microSD | microSD |
| microSDHC | microSDHC |
| microSDXC | microSDXC |
| Galaxy A21 Display | Oppo A31 Display |
| A21 Type / Technology | Oppo A31 Type / Technology |
| Super AMOLED | IPS |
| A21 Diagonal Size | Oppo A31 Diagonal Size |
| 6.5 in | 6.5 in |
| 165.1 mm | 165.1 mm |
| 16.51 cm | 16.51 cm |
| A21 Width | Oppo A31 Width |
| 2.67 in | 2.67 in |
| 67.75 mm | 67.75 mm |
| 6.78 cm | 6.78 cm |
| A21 Height | Oppo A31 Height |
| 5.93 in | 5.93 in |
| 150.56 mm | 150.56 mm |
| 15.06 cm | 15.06 cm |
| A21 Aspect Ratio | Oppo A31 Aspect Ratio |
| 2.222:1 | 2.222:1 |
| A21 Resolution | Oppo A31 Resolution |
| 720 x 1600 pixels | 720 x 1600 pixels |
| A21 Pixel Density | Oppo A31 Pixel Density |
| 270 ppi | 270 ppi |
| 106 ppcm | 106 ppcm |
| A21 Color Depth | Oppo A31 Color Depth |
| 24 bit | 24 bit |
| 16777216 colors | 16777216 colors |
| A21 Display Area | Oppo A31 Display Area |
| 82.70% | |
| A21 Other Features | Oppo A31 Other Features |
| Capacitive | Capacitive |
| Multi-touch | Multi-touch |
| Scratch resistant | Scratch resistant |
| Infinity-O Display | 62.50069444 |
| 480 cd/m² | |
| Galaxy A21 Sensors | Oppo A31 Sensors |
| Proximity | Proximity |
| Light | Light |
| Accelerometer | Accelerometer |
| Compass | Compass |
| Gyroscope | Gyroscope |
| Geomagnetic | |
| Fingerprint | Fingerprint |
| Hall | Gravity |
| Galaxy A21 Rear Camera | Oppo A31 Rear Camera |
| A21 Sensor type | Oppo A31 Sensor type |
| CMOS | |
| A21 Pixel size | Oppo A31 Pixel size |
| 0.8 µm (micrometers) | |
| A21 Aperture | Oppo A31 Aperture |
| f/1.8 | |
| A21 Flash Type | Oppo A31 Flash Type |
| LED | LED |
| A21 Image Resolution | Oppo A31 Image Resolution |
| 4608 x 3456 pixels | 4096 x 3072 pixels |
| 15.93 MP | 12.58 MP |
| A21 Video resolution | Oppo A31 Video resolution |
| 1920 x 1080 pixels | 1920 x 1080 pixels |
| 2.07 MP | 2.07 MP |
| A21 Video FPS | Oppo A31 Video FPS |
| 30 fps | 30 fps |
| A21 Others Features | Oppo A31 Others Features |
| Autofocus | Autofocus |
| Continuous shooting | |
| Digital zoom | |
| Geotagging | Geotagging |
| Panorama | Panorama |
| HDR | HDR |
| Touch focus | Touch focus |
| Face detection | Face detection |
| White balance settings | White balance settings |
| ISO settings | ISO settings |
| Exposure compensation | Exposure compensation |
| Self-timer | Self-timer |
| Scene mode | Scene mode |
| Macro mode | |
| Phase detection autofocus (PDAF) | |
| 5-element lens | |
| A21 Secondary rear camera - 8 MP (ultra-wide angle) | Secondary rear camera - 2 MP (macro) |
| Aperture size - f/2.2 (#2) | Aperture size - f/2.4 (#2) |
| A21 Third rear camera - 2 MP (depth-sensing) | Third rear camera - 2 MP (depth-sensing) |
| Aperture size - f/2.4 (#3) | |
| A21 Fourth rear camera - 2 MP (macro) |
| Galaxy A21 Front Camera | Oppo A31 Front Camera |
| A21 Aperture | Oppo A31 Aperture |
| f/2 | f/2 |
| A21 Focal length | Oppo A31 Focal length |
| 2.61 mm | |
| 25 mm *(35 mm / full frame) | |
| A21 Image Resolution | Oppo A31 Image Resolution |
| 4160 x 3120 pixels | 3264 x 2448 pixels |
| 12.98 MP | 7.99 MP |
| A21 Video Resolution | Oppo A31 Video Resolution |
| 1920 x 1080 pixels | 1920 x 1080 pixels |
| 2.07 MP | 2.07 MP |
| A21 Video FPS | Oppo A31 Video FPS |
| 30 fps | 30 fps |
| A21 Other Features | Oppo A31 Other Features |
| Face unlock | |
| Galaxy A21 Audio | Oppo A31 Audio |
| Loudspeaker | Loudspeaker |
| Earpiece | Earpiece |
| Galaxy A21 Radio | Oppo A31 Radio |
| Yes | Yes |
| Galaxy A21 Tracking / Positioning | Oppo A31 Tracking / Positioning |
| GPS | GPS |
| A-GPS | A-GPS |
| GLONASS | GLONASS |
| BeiDou | BeiDou |
| Galaxy A21 Wi-Fi | Oppo A31 Wi-Fi |
| 802.11a | |
| 802.11b | 802.11b |
| 802.11g | 802.11g |
| 802.11n | 802.11n |
| 802.11n 5GHz | |
| 802.11ac (IEEE 802.11ac) | |
| Dual band | |
| Wi-Fi Hotspot | Wi-Fi Hotspot |
| Wi-Fi Direct | Wi-Fi Direct |
| Wi-Fi Display |
| Galaxy A21 Bluetooth | Oppo A31 Bluetooth |
| A21 Version | Oppo A31 Version |
| 5 | 5 |
| A21 Features | Oppo A31 Features |
| A2DP | A2DP |
| AVRCP (Audio/Visual Remote Control Profile) | LE (Low Energy) |
| DIP (Device ID Profile) | |
| HFP (Hands-Free Profile) | |
| HID (Human Interface Profile) | |
| HSP (Headset Profile) | |
| MAP (Message Access Profile) | |
| OPP (Object Push Profile) | |
| PAN (Personal Area Networking Profile) | |
| PBAP/PAB (Phone Book Access Profile) | |
| HOGP | |
| Galaxy A21 USB | Oppo A31 USB |
| A21 Connector Type | Oppo A31 Connector Type |
| USB Type-C | Micro USB |
| A21 Version | Oppo A31 Version |
| 2 | 2 |
| A21 Features | Oppo A31 Features |
| Charging | Charging |
| Mass storage | Mass storage |
| On-The-Go | On-The-Go |
| Galaxy A21 Headphone Jack | Oppo A31 Headphone Jack |
| Yes | Yes |
| Galaxy A21 Connectivity | Oppo A31 Connectivity |
| Computer sync | Computer sync |
| OTA sync | |
| Tethering | Tethering |
| NFC | |
| VoLTE | VoLTE |
| Galaxy A21 Browser | Oppo A31 Browser |
| HTML | HTML |
| HTML5 | HTML5 |
| CSS 3 | CSS 3 |
| Galaxy A21 Audio File Formats / Codecs | Oppo A31 Audio File Formats / Codecs |
| AAC | AAC |
| AAC+ | |
| AMR | AMR |
| AMR-WB | AMR-WB |
| eAAC+ | eAAC+ |
| FLAC | FLAC |
| M4A | |
| MIDI | MIDI |
| MP3 | MP3 |
| OGG | OGG |
| WMA | WMA |
| WAV | WAV |
| Galaxy A21 Video File Formats / Codecs | Oppo A31 Video File Formats / Codecs |
| 3GPP | 3GPP |
| 3GPP2 | |
| AVI | AVI |
| DivX | |
| Flash Video | Flash Video |
| H.263 | H.263 |
| H.264 | H.264 |
| H.265 | |
| MKV | MKV |
| MP4 | MP4 |
| VC-1 | |
| VP8 | |
| VP9 | |
| WebM | WebM |
| WMV | WMV |
| WMV7 | |
| WMV8 | |
| Xvid | Xvid |
| Galaxy A21 Battery | Oppo A31 Battery |
| A21 Capacity | Oppo A31 Capacity |
| 4000 mAh | 4230 mAh |
| A21 Type | Oppo A31 Type |
| Li-Polymer | Li-Polymer |
| A21 Features | Oppo A31 Features |
| Fast charging | Non-removable |
| Non-removable | |
| A21 Charger Output Power | Oppo A31 Charger Output Power |
| 5 V / 2 A | |
| 9 V / 1.67 A | |
| Galaxy A21 Launch | Oppo A31 Launch |
| A21 Announced | Oppo A31 Announced |
| 2020, 4th April | 2020, 13th Febuary |
| A21 Status | Oppo A31 Status |
| Release 25th April 2020 | Release 13th Febuary 2020 |
| Galaxy A21 5G Price | Galaxy Oppo A31 5G Price |
| 4 GB + 128 GB = 190 $ | |
| Galaxy A21 Design | Oppo A31 Design |
| A21 Colors | Oppo A31 Colors |
| Black | Mystery Black |
| Fantasy White | |
| A21 Width | Oppo A31 Width |
| 75.5 mm | |
| 7.55 cm | |
| 0.25 ft | |
| 2.97 in | |
| A21 Height | Oppo A31 Height |
| 163.9 mm | |
| 16.39 cm | |
| 0.54 ft | |
| 6.45 in | |
| A21 Thickness | Oppo A31 Thickness |
| 8.3 mm | |
| 0.83 cm | |
| 0.03 ft | |
| 0.33 in | |
| A21 Weight | Oppo A31 Weight |
| 180 g | |
| 0.4 lbs | |
| 6.35 oz | |
| A21 Volume | Oppo A31 Volume |
| 102.71 cm³ | |
| 6.24 in³ | |
| A21 Body Materials | Oppo A31 Body Materials |
| Plastic | Plastic |
| Galaxy A21 SIM Card | Oppo A31 SIM Card |
| A21 SIM Card Type | Oppo A31 SIM Card Type |
| Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm) | Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm) |
| Nano-SIM / microSD | |
| A21 Number of SIM Cards | Oppo A31 Number of SIM Cards |
| 1 | 2 |
| A21 Features | Oppo A31 Features |
| Dual SIM stand-by | Dual SIM stand-by |
| Dual SIM optional | |
| Galaxy A21 Mobile Network Technology and Bandwidth | Oppo A31 Mobile Network Technology and Bandwidth |
| UMTS (384 kbit/s ) | |
| EDGE | EDGE |
| GPRS | |
| HSPA+ | HSPA+ |
| LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s ) | LTE |
| TD-SCDMA |
| Galaxy A21 Networks | Oppo A31 Networks |
| A21 GSM | Oppo A31 GSM |
| GSM 850 MHz (B5) | GSM 850 MHz (B5) |
| GSM 900 MHz (B8) | GSM 900 MHz (B8) |
| GSM 1800 MHz (B3) | GSM 1800 MHz (B3) |
| GSM 1900 MHz (B2) | GSM 1900 MHz (B2) |
| CDMA | CDMA |
| UMTS | W-CDMA |
| UMTS 850 MHz (B5) | W-CDMA 850 MHz (B5) |
| UMTS 900 MHz (B8) | W-CDMA 900 MHz (B8) |
| UMTS 1900 MHz (B2) | |
| UMTS 2100 MHz (B1) | W-CDMA 2100 MHz (B1) |
| TD-SCDMA | |
| TD-SCDMA 1880-1920 MHz | |
| TD-SCDMA 2010-2025 MHz | |
| LTE | LTE |
| LTE-FDD 800 MHz (B20) | LTE-FDD 850 MHz (B5) |
| LTE-FDD 850 MHz (B5) | LTE-FDD 900 MHz (B8) |
| LTE-FDD 900 MHz (B8) | LTE-FDD 2100 MHz (B1) |
| LTE-FDD 1800 MHz (B3) | LTE-FDD 2600 MHz (B7) |
| LTE-FDD 2100 MHz (B1) | LTE-TDD 1900 MHz (B39) |
| LTE-FDD 2600 MHz (B7) | LTE-TDD 2000 MHz (B34) |
| LTE-TDD 2300 MHz (B40) | LTE-TDD 2300 MHz (B40) |
| LTE-TDD 2500 MHz (B41) | LTE-TDD 2500 MHz (B41) |
| LTE-TDD 2600 MHz (B38) | LTE-TDD 2600 MHz (B38) |
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