Samsung Galaxy A31 vs Samsung Galaxy A21
Here you can compare Samsung Galaxy A31 and Samsung Galaxy A21. Comparing Samsung Galaxy A31 vs Samsung Galaxy A21 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy A31 stands against Samsung Galaxy A21 and which one should you buy The current lowest price found for Samsung Galaxy A31 is ₹17,999 and for Samsung Galaxy A21 is ₹13,990. The details of both of these products were last updated on Jul 10, 2026.
| Specification | Samsung Galaxy A31 | Samsung Galaxy A21 |
|---|---|---|
| Display | 6.4 inches, 2400 x 1080 pixels | 6.5 inches, 720 x 1600 pixels |
| OS | Android v10 | Android v10 |
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Battery | 5000 mAh, Li-Po Battery | 4000 mAh, Li-Po Battery |
| Rear Camera | 48 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.4 (Depth Sensor) | 16 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| Price | ₹17,999 | ₹13,990 |
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Overview
| Specs Score | 54 / 100 Better Specs | 44 / 100 |
| Display Resolution | 2400 x 1080 pixels Better Resolution | 720 x 1600 pixels |
| Screen To Body Ratio | ~ 84.9% Less Bezels | ~ 79.3% |
| RAM | 6 GB More RAM | 3 GB |
| Storage | 128 GB More Storage | 32 GB |
| CPU Clock Speed | 2 GHz | 2.3 GHz Faster Clock Speed |
| Rear Camera | 48 MP Quad Better Camera Resolution | 16 MP Quad |
| Front Camera | 20 MP Better Front Camera Resolution | 13 MP |
| Thickness | 8.6 mm | 8.1 mm Slimmer |
| Battery | 5000 mAh Bigger Battery | 4000 mAh |
| Unique Features | No | FM Radio |
General
| Model | Galaxy A31 | Galaxy A21 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 4, 2020 | April 08, 2020 |
Design
| Dimensions | 73.1 x 159.3 x 8.6 mm | 76.7 x 167.8 x 8.1 mm |
| Weight | 185 g | 193 g |
Display
| Type | Color Super AMOLED Screen (16M Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.4 inches, 2400 x 1080 pixels | 6.5 inches, 720 x 1600 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 412 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 84.9% | ~ 79.3% |
| Features | Full HD+ | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 6 GB | 3 GB |
| Storage | 128 GB | 32 GB |
| Card Slot | Yes, upto 512 GB | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
Extra
| GPS | GPS, Glonass, Beidou, Galileo | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | Yes, Yes (market/region dependent) |
Camera
| Rear Camera | 48 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.4 (Depth Sensor) | 16 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | |
| Features | Panorama, HDR | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2 (Main) | 13 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android v10 |
| Chipset | mediatek Helio P65 | Mediatek Helio P35 |
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | |
| GPU | Arm Mali-G52 2EEMC2 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Yes |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes | Yes, 15W Fast Charging |
| Talk Time | 33 hours | |
| Music Playback Time | 97 hours |
Discuss
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