In depth comparison and review of Samsung Galaxy A31 and TCL 20 5G. 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 | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | T781K | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 166.2 mm | TCL 20 5G has greater height than Samsung Galaxy A31. |
| Width | 73.1 mm | 76.8 mm | TCL 20 5G has greater width than Samsung Galaxy A31. |
| Depth | 8.6 mm | 9.1 mm | Samsung Galaxy A31 is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 206 g | Samsung Galaxy A31 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Mist grey | Placid blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | 1.45 W/kg (body), 1.4 W/kg (head), 3.5 W/kg (limb) | |
| Integrated Components | - | FM radio, LED flashlight | |
| Connector Type | USB Type-C - 24 pin USB-C 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 | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | LCD | |
| Screen Size (Display Size) | 6.4" | 6.67" | TCL 20 5G has larger screen size than Samsung Galaxy A31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1500:1 | |
| HDR | - | Yes | TCL 20 5G has HDR. |
| HDR Technology | - | HDR10 | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | 2.5D Glass, Dotch Display, TCL NXTVISION, Delta-E < 1 | |
| Display Protection (Screen Protector) | - | Fingerprint-resistant coating |
| PROCESSOR | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 690 5G | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619L |
| MEMORY | Samsung Galaxy A31 | TCL 20 5G |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 6 GB | TCL 20 5G has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | TCL 20 5G has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy A31 | TCL 20 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/2.0 | F/1.8 | TCL 20 5G has better lens aperture than Samsung Galaxy A31. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 80 degree(s) | 79 degree(s) | Samsung Galaxy A31 has larger lens field of view than TCL 20 5G. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 10x | TCL 20 5G has better digital zoom than Samsung Galaxy A31. |
| Special Effects | - | HDR, Bokeh effect | |
| Camera Modes | Depth bokeh | Panorama, Slow motion mode, Pro mode, portrait mode, Super Night mode, Filter mode, Light Trace Mode, Stop-Motion Video Mode, Super Macro Mode, Super Steady Mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Live Focus | Phase Detect Auto-Focus (PDAF), snapshot in video recording, EIS video stabilisation, AI scene detection, AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 123 degree(s) | 118 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than TCL 20 5G. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro camera | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A31 has higher resolution third camera than TCL 20 5G. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Field of View (3rd Camera) | - | 83 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Depth camera | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 8 Megapixel | Samsung Galaxy A31 has better front camera resolution than TCL 20 5G. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | TCL 20 5G has better front lens aperture than Samsung Galaxy A31. |
| Lens Element Qty (Front) | - | 4-element | |
| Field of View (Front) | - | 78 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | - | HDR, Face Beautification | |
| Camera Modes (Front) | - | Portrait mode, Filter mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Samsung Galaxy A31 has larger battery capacity than TCL 20 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | TCL 20 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 2.5 hour(s) | |
| Talk Time | 1980 minutes | - | |
| Run Time Details | Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
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| CELLULAR | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | TCL 20 5G has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | One UI | TCL UI | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSPA+, VoLTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 26, Band 28, Band 32, 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 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n28, n41, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 700APT, TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, MP3, FLAC, AAC +, eAAC+, MIDI, LDAC, AMR-WB, AMR-NB, SBC, Vorbis, WAVE | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | - | Hi-Res audio, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio, Qualcomm aptX Adaptive |
| FEATURES | Samsung Galaxy A31 | TCL 20 5G |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | HD Voice, dual microphones with noise cancellation, Face Key, Google Lens, Google Assistant Button, guaranteed upgrade to Android 11 |
| OTHERS | Samsung Galaxy A31 | TCL 20 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, LCD sticker | |
|---|---|---|---|
| Compliant Standards | - | HAC (Hearing Aid Compatible) |
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