Samsung Galaxy M31 Vs Samsung Galaxy M21 Specs Comparison
Samsung Galaxy M31 packs with Exynos 9611 chipset, 4 GB or 6 GB RAM, 64 GB or 128 GB storage, 6.4" Super AMOLED screen, 6000 mAh battery with 15W fast cahrging, quad rear camera with 64 MP main sensor + 8 MP ultra-wide lens + 5 MP depth-sensor lens + 5 MP macro lens, 32 MP front camera, and 210 $ price.
While Samsung Galaxy M21 packs with Exynos 9611 chipset, 4 GB or 6 GB RAM, 64 GB or 128 GB storage, 6.4" Super AMOLED screen, 6000 mAh battery with 15W fast charging, triple rear camera with 48 MP main sensor + 8 MP ultra-wide lens + 5 MP depth sensor, 20 MP front camera, and 175 $ price on launch.
Here’s an in-depth specifications comparison between Samsung Galaxy M31 Vs Samsung Galaxy M21.
Jump to:
Samsung Galaxy M21
|
Samsung Galaxy M31
|
Brand and Model
|
Brand and Model
|
Brand
|
Brand
|
Samsung
|
Samsung
|
Model
|
Model
|
Galaxy M21
|
Galaxy M31
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Model Alias
|
Model Alias
|
SM-M315F
|
|
SM-M315F/DS
|
|
Galaxy M21 Operating System
|
Galaxy M31 Operating System
|
Android 10
|
Android 10
|
User Interface (UI)
|
User Interface (UI)
|
One UI 2.0
|
One UI 2.0
|
| Galaxy M21 System on Chip (SOC) | Galaxy M31 System on Chip (SOC) | |
|
SOC | |
|
Samsung Exynos 7 Octa 9611 | |
| Process Technology | Process Technology | |
| 10 nm | 10 nm | |
| CPU | CPU | |
| 4x 2.3 GHz ARM Cortex-A73 | 4x 2.3 GHz ARM Cortex-A73 | |
|
4x 1.7 GHz ARM Cortex-A53 | |
|
CPU Bits | |
| 64 bit | 64 bit | |
| Instruction Set | Instruction Set | |
| ARMv8-A | ARMv8-A | |
| CPU Frequency | ||
| 2300 MHz | 2300 MHz | |
| CPU Cores | CPU Cores | |
| 8 | 8 | |
|
GPU | |
|
ARM Mali-G72 MP3 | |
| GPU Cores | GPU Cores | |
| 3 | 3 |
|
Galaxy M31 RAM Capacity | |
|
4 GB | |
|
6 GB | |
| RAM Type | RAM Type | |
|
LPDDR4X | |
|
RAM Channels | |
| Double channel | Double channel |
|
Galaxy M31 Storage | |
|
64 GB | |
| 128 GB | 128 GB | |
|
eMMC 5.1 | |
| Galaxy M21 Memory Cards | Galaxy M31 Memory Cards | |
| microSD | microSD | |
|
microSDHC | |
| microSDXC | microSDXC |
|
Galaxy M31 Display | |
| Type / Technology | Type / Technology | |
| Super AMOLED | Super AMOLED | |
| Diagonal Size | Diagonal Size | |
|
6.4 in | |
| 162.56 mm | 162.56 mm | |
| 16.26 cm | 16.26 cm | |
| Width | Width | |
| 2.68 in | 2.68 in | |
|
68.12 mm | |
| 6.81 cm | 6.81 cm | |
| Height | Height | |
| 5.81 in | 5.81 in | |
| 147.6 mm | 147.6 mm | |
| 14.76 cm | 14.76 cm | |
| Aspect Ratio | Aspect Ratio | |
| 2.167:1 | 2.167:1 | |
| Resolution | Resolution | |
| 1080 x 2340 pixels | 1080 x 2340 pixels | |
| Pixel Density | Pixel Density | |
| 403 ppi (pixels per inch) | 403 ppi (pixels per inch) | |
| 158 ppcm (pixels per centimeter) | 158 ppcm (pixels per centimeter) | |
| Color Depth | Color Depth | |
| 24 bit | 24 bit | |
| 16777216 colors | 16777216 colors | |
| Display Area | Display Area | |
| 84.48% | ||
| Other Features | Other Features | |
| Capacitive | Capacitive | |
| Multi-touch | Multi-touch | |
| Infinity U Display | Infinity-U Display | |
| 2.5D curved glass screen | ||
| Corning Gorilla Glass 3 | Corning Gorilla Glass | |
| Peak brightness - 420 cd/m² | Peak brightness - 420 cd/m² | |
| 78960:1 | Widevine L1 certification | |
| Galaxy M21 Sensors | Galaxy M31 Sensors | |
| Proximity | Proximity | |
| Accelerometer | Accelerometer | |
| Compass | Compass | |
| Gyroscope | Gyroscope | |
| Geomagnetic | Geomagnetic | |
| Fingerprint | Fingerprint | |
| Virtual Light Sensor | Virtual Light Sensor |
| Galaxy M21 Rear Camera | Galaxy M31 Rear Camera | |
| Sensor Model | Sensor Model | |
| Samsung S5KGW1 | ||
| Sensor type | Sensor type | |
| CMOS BSI (backside illumination) | ISOCELL | |
| ISO | ISO | |
| 100 - 800 | ||
| Sensor format | Sensor format | |
| 1/2" | 1/1.72" | |
| Pixel size | Pixel size | |
| 0.8 µm (micrometers) | 0.8 µm (micrometers) | |
| 0.000800 mm | ||
| Aperture | Aperture | |
| f/2 | f/1.8 | |
| Focal Length | Focal Length | |
| 3.58 mm | ||
| 26 mm *(35 mm / full frame) | 27 mm *(35 mm / full frame) | |
| Flash Type | Flash Type | |
| LED | LED | |
| Image Resolution | Image Resolution | |
| 8000 x 6000 pixels | 9280 x 6944 pixels | |
| 48 MP | 64.44 MP | |
| Video resolution | Video resolution | |
| 3840 x 2160 pixels | 3840 x 2160 pixels | |
| 8.29 MP | 8.29 MP | |
| Video FPS | Video FPS | |
| 30 fps | 30 fps (frames per second) | |
| Features | 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 | |
| Phase detection autofocus (PDAF) | Phase detection autofocus (PDAF) | |
| Pixel size - 1.6 μm (4-in-1 pixel binning) | ||
| Sensor type - ISOCELL PLUS | ||
| Super Phase Detection | ||
| Secondary rear camera - 8 MP (ultra-wide angle) | Secondary rear camera - 8 MP (ultra-wide angle) | |
|
||
| Pixel size - 1.12 µm (#2) | ||
| Aperture size - f/2.2 (#2) | Aperture size - f/2.2 (#2) | |
| Angle of view - 123° (#2) | Angle of view - 123° (#2) | |
| Third rear camera - 5 MP (depth) | Third rear camera - 5 MP (depth-sensing) | |
| Aperture size - f/2.2 (#3) | Aperture size - f/2.2 (#3) | |
| Fourth rear camera - 5 MP (macro) | ||
| Aperture size - f/2.2 (#4) |
| Galaxy M21 Front Camera | Galaxy M31 Front Camera | |
| Sensor Model | Sensor Model | |
| Sony IMX616 | ||
| Sensor Type | Sensor Type | |
| CMOS BSI (backside illumination) | CMOS BSI (backside illumination) | |
| Aperture | Aperture | |
| f/2 | f/2 | |
| Sensor format | Sensor format | |
| 1/2.8" | ||
|
Pixel size | |
| 0.8 µm (micrometers) | ||
| Focal length | Focal length | |
| 26 mm *(35 mm / full frame) | ||
| Image Resolution | Image Resolution | |
| 6528 x 4896 pixels | ||
| 20 MP | 31.96 MP | |
| Video Resolution | Video Resolution | |
| 1920 x 1080 pixels | 3840 x 2160 pixels | |
| 2.07 MP | 8.29 MP | |
| Video FPS | Video FPS | |
| 30 fps | 30 fps (frames per second) | |
| Features | Features | |
| Face unlock | Face unlock | |
|
Galaxy M31 Audio | |
| Speaker | Speaker | |
| Loudspeaker | Loudspeaker | |
| Earpiece | Earpiece | |
| Dolby Atmos for stereo headsets | Dolby Atmos | |
| Widevine L1 Certification | ||
| Galaxy M21 Radio | Galaxy M31 Radio | |
| Yes | Yes | |
| RDS | ||
| Galaxy M21 Tracking / Positioning | Galaxy M31 Tracking / Positioning | |
| GPS | GPS | |
| A-GPS | A-GPS | |
| GLONASS | GLONASS | |
| BeiDou | BeiDou | |
| Galaxy M21 Wi-Fi | Galaxy M31 Wi-Fi | |
| 802.11a (IEEE 802.11a-1999) | ||
| 802.11b (IEEE 802.11b-1999) | 802.11b (IEEE 802.11b-1999) | |
| 802.11g (IEEE 802.11g-2003) | 802.11g (IEEE 802.11g-2003) | |
| 802.11n (IEEE 802.11n-2009) | 802.11n (IEEE 802.11n-2009) | |
| 802.11n 5GHz | ||
| 802.11ac (IEEE 802.11ac) | ||
| Dual band | ||
| Wi-Fi Hotspot | Wi-Fi Hotspot | |
| Wi-Fi Direct | Wi-Fi Direct | |
| Galaxy M21 Bluetooth | Galaxy M31 Bluetooth | |
| Version | Version | |
| 5 | 5 | |
| Features | Features | |
| A2DP (Advanced Audio Distribution Profile) | A2DP (Advanced Audio Distribution Profile) | |
| LE (Low Energy) | AVRCP (Audio/Visual Remote Control Profile) | |
| 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 M21 USB | Galaxy M31 USB |
| Connector Type | Connector Type |
| USB Type-C | USB Type-C |
| Version | Version |
| 2 | 2 |
| Features | Features |
| Charging | Charging |
| Mass storage | Mass storage |
| On-The-Go | On-The-Go |
| Galaxy M21 Headphone Jack | Galaxy M31 Headphone Jack |
| Yes | Yes |
| Galaxy M21 Connectivity | Connectivity |
| Computer sync | Computer sync |
| OTA sync | OTA sync |
| Tethering | Tethering |
| ANT+ | |
| Galaxy M21 Browser | Galaxy M31 Browser |
| HTML | HTML |
| HTML5 | HTML5 |
| CSS 3 | CSS 3 |
| Galaxy M21 Audio File Formats / Codecs | Galaxy M31 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 M21 Video File Formats / Codecs | Galaxy M31 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 M21 Battery | Galaxy M31 Battery |
| Capacity | Capacity |
| 6000 mAh | 6000 mAh |
| Type | Type |
| Li-Ion | Li-Ion |
| Features | Features |
| Fast charging | Fast charging |
| Non-removable | Non-removable |
| Charger Output Power | Charger Output Power |
| 5 V / 3 A | 5 V / 2 A |
| 9 V / 1.67 A | |
| Galaxy M21 Launch | Galaxy M31 Launch |
| Announced | Announced |
| 2020, 19th March | 2020, 25th February |
| Status | Status |
| Release 23th March 2020 | Release 5th March 2020 |
| Galaxy M21 Price | Galaxy M31 Price |
| 4 GB + 64 GB = 175 $ | 4 GB + 64 GB = 210 $ |
| 6 GB + 128 GB = 225 $ | |
| Galaxy M21 Design | Galaxy M31 Design |
| Colors | Colors |
| Midnight Blue | Ocean Blue |
| Raven Black | Space Black |
| Width | Width |
| 75.1 mm | |
| 7.51 cm | |
| 0.25 ft | |
| 2.96 in | |
| Height | Height |
| 159 mm | |
| 15.9 cm | |
| 0.52 ft | |
| 6.26 in | |
| Thickness | Thickness |
| 8.9 mm | 8.9 mm |
| 0.89 cm | 0.89 cm |
| 0.03 ft | 0.03 ft |
| 0.35 in | 0.35 in |
| Weight | Weight |
| 188 g | 191 g |
| 0.41 lbs | 0.42 lbs |
| 6.63 oz | 6.74 oz |
| Volume | Volume |
| 106.27 cm³ | |
| 6.45 in³ | |
| Body Materials | Body Materials |
| Plastic | Plastic |
| Galaxy M21 SIM Card | Galaxy M31 SIM Card |
| SIM Card Type | 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) |
| Number of SIM Cards | Number of SIM Cards |
| 2 | 2 |
| Features | Features |
| Dual SIM stand-by | Dual SIM stand-by) |
| Galaxy M21 Mobile Network Technology and Bandwidth | Galaxy M31 Mobile Network Technology and Bandwidth |
| UMTS (384 kbit/s ) | UMTS (384 kbit/s ) |
| EDGE | EDGE |
| GPRS | GPRS |
| HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s ) | HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42 Mbit/s ) |
| LTE | LTE Cat 10 (102.0 Mbit/s , 452.2 Mbit/s ) |
| Galaxy M21 Networks | Galaxy M31 Networks |
| GSM | GSM |
| GSM 850 MHz (B5) | GSM 850 MHz |
| GSM 900 MHz (B8) | GSM 900 MHz |
| GSM 1800 MHz (B3) | GSM 1800 MHz |
| GSM 1900 MHz (B2) | GSM 1900 MHz |
| UMTS | UMTS |
| UMTS 850 MHz (B5) | UMTS 850 MHz |
| UMTS 900 MHz (B8) | UMTS 900 MHz |
| UMTS 1900 MHz (B2) | UMTS 1900 MHz |
| UMTS 2100 MHz (B1) | UMTS 2100 MHz |
| LTE | LTE |
| LTE-FDD 800 MHz (B20) | |
| LTE-FDD 850 MHz (B5) | LTE 850 MHz |
| LTE-FDD 900 MHz (B8) | LTE 900 MHz |
| LTE-FDD 1800 MHz (B3) | LTE 1800 MHz |
| LTE-FDD 2100 MHz (B1) | LTE 2100 MHz |
| LTE-FDD 2600 MHz (B7) | LTE 2600 MHz |
| LTE-TDD 2300 MHz (B40) | |
| LTE-TDD 2500 MHz (B41) | |
| LTE-TDD 2600 MHz (B38) |
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