Samsung Galaxy A31 Vs Samsung Galaxy A21 Specs Comparison
Samsung Galaxy A31 is powered by Helio P65 chipset, 4 GB or 6 GB RAM, 64 GB or 128 GB storage, 6.4" Super AMOLED screen, 5000 mAh battery with 15W fast charging, quad rear camera with 48 MP main sensor + 8 MP ultra-wide lens + 5 MP depth-sensor + 5 MP macro lens, 20 MP front camera and 233 dollars price.
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 Samsung Galaxy A31 Vs Samsung Galaxy A21.
Jump to:
Samsung Galaxy A21
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Samsung Galaxy A31
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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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Samsung
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Model
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Model
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Galaxy A21
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Galaxy 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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Galaxy A31 Operating System
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Android 10
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Android 10
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A21 User Interface (UI)
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A31 User Interface (UI)
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One UI 2.0
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One UI 2.0
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| Galaxy A21 System on Chip (SOC) | Galaxy A31 System on Chip (SOC) |
| A21 SOC | A31 SOC |
| MediaTek Helio P35 (MT6765) | MediaTek Helio P65 |
| A21 Process Technology | A31 Process Technology |
| 12 nm | 12 nm |
| A21 CPU | A31 CPU |
| 4x 2.3 GHz ARM Cortex-A53 | 2x 2.0 GHz Cortex-A75 |
| 4x 1.8 GHz ARM Cortex-A53 | 6x 1.7 GHz Cortex-A55 |
| A21 CPU Bits | A31 CPU Bits |
| 64 bit | 64 bit |
| A21 Instruction Set | A31 Instruction Set |
| ARMv8-A | ARMv8-A |
| A21 CPU Frequency | A31 CPU Frequency |
| 2300 MHz | 2000 MHz |
| A21 CPU Cores | A31 CPU Cores |
| 8 | 8 |
| A21 GPU | A31 GPU |
| PowerVR GE8320 | |
| A21 GPU Frequency | A31 GPU Frequency |
| 680 MHz |
| Galaxy A21 RAM Capacity | Galaxy A31 RAM Capacity |
| 3 GB | 4 GB |
| 6 GB | |
| A21 RAM Type | A31 RAM Type |
| LPDDR4X | LPDDR4X |
| A21 RAM Channels | A31 RAM Channels |
| Double channel | Double channel |
| A21 RAM Frequency | A31 RAM Frequency |
| 1866 MHz |
| Galaxy A21 Storage | Galaxy A31 Storage |
| 32 GB | 64 GB |
| 128 GB | |
| eMMC 5.1 | eMMC 5.1 |
| Galaxy A21 Memory Cards | Galaxy A31 Memory Cards |
| microSD | microSD |
| microSDHC | microSDHC |
| microSDXC | microSDXC |
| Galaxy A21 Display | Galaxy A31 Display |
| A21 Type / Technology | A31 Type / Technology |
| Super AMOLED | Super AMOLED |
| A21 Diagonal Size | A31 Diagonal Size |
| 6.5 in | 6.4 in |
| 165.1 mm | 162.56 mm |
| 16.51 cm | 16.26 cm |
| A21 Width | A31 Width |
| 2.67 in | 2.63 in |
| 67.75 mm | 66.71 mm |
| 6.78 cm | 6.67 cm |
| A21 Height | A31 Height |
| 5.93 in | 5.84 in |
| 150.56 mm | 148.24 mm |
| 15.06 cm | 14.82 cm |
| A21 Aspect Ratio | A31 Aspect Ratio |
| 2.222:1 | 2.222:1 |
| A21 Resolution | A31 Resolution |
| 720 x 1600 pixels | 1080 x 2400 pixels |
| A21 Pixel Density | A31 Pixel Density |
| 270 ppi | 411 ppi |
| 106 ppcm | 161 ppcm |
| A21 Color Depth | A31 Color Depth |
| 24 bit | 24 bit |
| 16777216 colors | 16777216 colors |
| A21 Display Area | A31 Display Area |
| 85.20% | |
| A21 Other Features | A31 Other Features |
| Capacitive | Capacitive |
| Multi-touch | Multi-touch |
| Scratch resistant | Scratch resistant |
| Infinity-O Display | Infinity-O Display |
| 2.5D curved glass screen | |
| Galaxy A21 Sensors | Galaxy A31 Sensors |
| Proximity | Proximity |
| Light | Light |
| Accelerometer | Accelerometer |
| Compass | Compass |
| Gyroscope | Gyroscope |
| Fingerprint | Fingerprint |
| Hall | Hall |
| In-display fingerprint sensor |
| Galaxy A21 Rear Camera | Galaxy A31 Rear Camera |
| A21 Sensor type | A31 Sensor type |
| CMOS | |
| A21 Pixel size | A31 Pixel size |
| 0.8 µm (micrometers) | |
| 0.000800 mm | |
| A21 Aperture | A31 Aperture |
| f/2 | |
| A21 Focal Length | A31 Focal Length |
| LED | LED |
| A21 Image Resolution | A31 Image Resolution |
| 4608 x 3456 pixels | 8000 x 6000 pixels |
| 15.93 MP | 48 MP |
| A21 Video resolution | A31 Video resolution |
| 1920 x 1080 pixels | 1920 x 1080 pixels |
| 2.07 MP | 2.07 MP |
| A21 Video FPS | A31 Video FPS |
| 30 fps | 30 fps |
| A21 Others Features | A31 Others Features |
| Autofocus | Autofocus |
| Continuous shooting | Continuous shooting |
| Digital zoom | 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 |
| A21 Secondary rear camera - 8 MP (ultra-wide angle) | Secondary rear camera - 8 MP (ultra-wide) |
| Aperture size - f/2.2 (#2) | Aperture size - f/2.2 (#2) |
| A21 Third rear camera - 2 MP (depth-sensing) | Third rear camera - 5 MP (depth-sensing) |
| Aperture size - f/2.4 (#3) | |
| A21 Fourth rear camera - 2 MP (macro) | Fourth rear camera - 5 MP (macro) |
| Aperture size - f/2.4 (#4) |
| Galaxy A21 Front Camera | Galaxy A31 Front Camera |
| A21 Aperture | A31 Aperture |
| f/2 | f/2.2 |
| A21 Focal length | A31 Focal length |
| 2.61 mm | |
| 25 mm *(35 mm / full frame) | |
| A21 Image Resolution | A31 Image Resolution |
| 4160 x 3120 pixels | |
| 12.98 MP | 20 MP |
| A21 Video Resolution | A31 Video Resolution |
| 1920 x 1080 pixels | 1920 x 1080 pixels |
| 2.07 MP | 2.07 MP |
| A21 Video FPS | A31 Video FPS |
| 30 fps | 30 fps |
| A21 Other Features | A31 Other Features |
| Face unlock | |
| Galaxy A21 Audio | Galaxy A31 Audio |
| Speaker | Speaker |
| Loudspeaker | Loudspeaker |
| Earpiece | Earpiece |
| Galaxy A21 Radio | Galaxy A31 Radio |
| Yes | Yes |
| Galaxy A21 Tracking / Positioning | Galaxy A31 Tracking / Positioning |
| GPS | GPS |
| A-GPS | A-GPS |
| GLONASS | GLONASS |
| BeiDou | BeiDou |
| Galaxy A21 Wi-Fi | Galaxy A31 Wi-Fi |
| 802.11a | |
| 802.11b | 802.11b |
| 802.11g | 802.11g |
| 802.11n | 802.11n |
| 802.11n 5GHz | |
| 802.11ac | |
| Dual band | |
| Wi-Fi Hotspot | Wi-Fi Hotspot |
| Wi-Fi Direct | Wi-Fi Direct |
| Galaxy A21 Bluetooth | Galaxy A31 Bluetooth |
| A21 Version | A31 Version |
| 5 | 5 |
| A21 Features | A31 Features |
| A2DP (Advanced Audio Distribution Profile) | A2DP (Advanced Audio Distribution Profile) |
| AVRCP (Audio/Visual Remote Control Profile) | AVRCP (Audio/Visual Remote Control Profile) |
| DIP (Device ID Profile) | DIP (Device ID Profile) |
| HFP (Hands-Free Profile) | HFP (Hands-Free Profile) |
| HID (Human Interface Profile) | HID (Human Interface Profile) |
| HSP (Headset Profile) | HSP (Headset Profile) |
| MAP (Message Access Profile) | MAP (Message Access Profile) |
| OPP (Object Push Profile) | OPP (Object Push Profile) |
| PAN (Personal Area Networking Profile) | PAN (Personal Area Networking Profile) |
| PBAP/PAB (Phone Book Access Profile) | PBAP/PAB (Phone Book Access Profile) |
| HOGP | HOGP |
| Galaxy A21 USB | Galaxy A31 USB |
| A21 Connector Type | A31 Connector Type |
| USB Type-C | USB Type-C |
| A21 Version | A31 Version |
| 2 | 2 |
| A21 Features | A31 Features |
| Charging | Charging |
| Mass storage | Mass storage |
| On-The-Go | On-The-Go |
| Galaxy A21 Headphone Jack | Galaxy A31 Headphone Jack |
| Yes | Yes |
| Galaxy A21 Connectivity | Galaxy A31 Connectivity |
| Computer sync | Computer sync |
| OTA sync | OTA sync |
| Tethering | Tethering |
| NFC | NFC |
| VoLTE | VoLTE |
| Galaxy A21 Browser | Galaxy A31 Browser |
| HTML | HTML |
| HTML5 | HTML5 |
| CSS 3 | CSS 3 |
| Galaxy A21 Audio File Formats / Codecs | Galaxy A31 Audio File Formats / Codecs |
| AAC (Advanced Audio Coding) | AAC (Advanced Audio Coding) |
| AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) | AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) |
| AMR-WB (Adaptive Multi-Rate Wideband, .awb) | AMR-WB (Adaptive Multi-Rate Wideband, .awb) |
| eAAC+ / aacPlus v2 / HE-AAC v2 | eAAC+ / aacPlus v2 / HE-AAC v2 |
| FLAC (Free Lossless Audio Codec, .flac) | FLAC (Free Lossless Audio Codec, .flac) |
| M4A (MPEG-4 Audio, .m4a) | M4A (MPEG-4 Audio, .m4a) |
| MIDI | MIDI |
| MP3 (MPEG-2 Audio Layer II, .mp3) | MP3 (MPEG-2 Audio Layer II, .mp3) |
| OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) | OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) |
| WMA (Windows Media Audio, .wma) | WMA (Windows Media Audio, .wma) |
| WAV (Waveform Audio File Format, .wav, .wave) | WAV (Waveform Audio File Format, .wav, .wave) |
| Galaxy A21 Video File Formats / Codecs | Galaxy A31 Video File Formats / Codecs |
| 3GPP (3rd Generation Partnership Project, .3gp) | 3GPP (3rd Generation Partnership Project, .3gp) |
| 3GPP2 (3rd Generation Partnership Project 2, .3g2) | 3GPP2 (3rd Generation Partnership Project 2, .3g2) |
| AVI (Audio Video Interleaved, .avi) | AVI (Audio Video Interleaved, .avi) |
| Flash Video (.flv, .f4v, .f4p, .f4a, .f4b) | Flash Video (.flv, .f4v, .f4p, .f4a, .f4b) |
| H.263 | H.263 |
| H.264 / MPEG-4 Part 10 / AVC video | H.264 / MPEG-4 Part 10 / AVC video |
| H.265 / MPEG-H Part 2 / HEVC | H.265 / MPEG-H Part 2 / HEVC |
| MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) | MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) |
| MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) | MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) |
| VC-1 | VC-1 |
| VP8 | VP8 |
| VP9 | VP9 |
| WebM | WebM |
| WMV (Windows Media Video, .wmv) | WMV (Windows Media Video, .wmv) |
| WMV7 (Windows Media Video 7, .wmv) | WMV7 (Windows Media Video 7, .wmv) |
| WMV8 (Windows Media Video 8, .wmv) | WMV8 (Windows Media Video 8, .wmv) |
| Xvid | Xvid |
| Galaxy A21 Battery | Galaxy A31 Battery |
| A21 Capacity | A31 Capacity |
| 4000 mAh | 5000 mAh |
| A21 Type | A31 Type |
| Li-Polymer | Li-Ion |
| A21 Features | A31 Features |
| Fast charging | Fast charging |
| Non-removable | Non-removable |
| A21 Charger Output Power | A31 Charger Output Power |
| 5 V / 2 A | 5 V / 2 A |
| 9 V / 1.67 A | 9 V / 1.67 A |
| Galaxy A21 Launch | Galaxy A31 Launch |
| A21 Announced | A31 Announced |
| 2020, 4th April | 2020, 24th March |
| A21 Status | A31 Status |
| Release 25th April 2020 | Release April 2020 |
| Galaxy A21 5G Price | Galaxy A31 5G Price |
| 4 GB + 64 GB = 233 $ | |
| 4 GB + 128 GB = 245 $ | |
| Galaxy A21 Design | Galaxy A31 Design |
| A21 Colors | A31 Colors |
| Black | Prism Crush Black |
| Prism Crush Blue | |
| Prism Crush Red | |
| Prism Crush White | |
| A21 Width | A31 Width |
| 73.1 mm | |
| 7.31 cm | |
| 0.24 ft | |
| 2.88 in | |
| A21 Height | A31 Height |
| 159.3 mm | |
| 15.93 cm | |
| 0.52 ft | |
| 6.27 in | |
| A21 Thickness | A31 Thickness |
| 8.6 mm | |
| 0.86 cm | |
| 0.03 ft | |
| 0.34 in | |
| A21 Weight | A31 Weight |
| 185 g | |
| 0.41 lbs | |
| 6.53 oz | |
| A21 Volume | A31 Volume |
| 100.15 cm³ | |
| 6.08 in³ | |
| A21 Body Materials | A31 Body Materials |
| Plastic | Plastic |
| Galaxy A21 SIM Card | Galaxy A31 SIM Card |
| A21 SIM Card Type | 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) |
| A21 Number of SIM Cards | A31 Number of SIM Cards |
| 1 | 2 |
| A21 Features | A31 Features |
| Dual SIM stand-by | Dual SIM stand-by |
| Dual SIM optional | |
| Galaxy A21 Mobile Network Technology and Bandwidth | Galaxy A31 Mobile Network Technology and Bandwidth |
| UMTS (384 kbit/s ) | UMTS (384 kbit/s ) |
| EDGE | EDGE |
| GPRS | |
| HSPA+ | HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s ) |
| LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s ) | LTE Cat 10 (102.0 Mbit/s , 452.2 Mbit/s ) |
| Galaxy A21 Networks | Galaxy A31 Networks |
| A21 GSM | 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) |
| UMTS | UMTS |
| UMTS 850 MHz (B5) | UMTS 850 MHz (B5) |
| UMTS 900 MHz (B8) | UMTS 900 MHz (B8) |
| UMTS 1900 MHz (B2) | UMTS 1900 MHz (B2) |
| UMTS 2100 MHz (B1) | UMTS 2100 MHz (B1) |
| 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 1800 MHz (B3) | LTE-FDD 1900 MHz (B25) |
| LTE-FDD 2100 MHz (B1) | LTE-FDD 2100 MHz (B1) |
| LTE-FDD 2600 MHz (B7) | LTE-FDD 2600 MHz (B7) |
| LTE-TDD 2300 MHz (B40) | |
| LTE-TDD 2500 MHz (B41) | |
| LTE-TDD 2600 MHz (B38) |
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