Here you can compare Samsung Galaxy A21 and Samsung Galaxy J7 Duo. Comparing Samsung Galaxy A21 vs Samsung Galaxy J7 Duo on Smartprix, enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy A21 stands against Samsung Galaxy J7 Duo and which one should you buy. The current lowest price found for Samsung Galaxy A21 is ₹13,990 and for Samsung Galaxy J7 Duo is ₹12,500. The details of both of these products were last updated on Mar 07, 2021.
| Specification | Samsung Galaxy A21 | Samsung Galaxy J7 Duo |
|---|---|---|
| RAM | 3 GB | 4 GB |
| Internal Memory | 64 GB | 32 GB |
| OS | Android v10.0 | Android v8.0 (Oreo) |
| Display | 6.4 inches, 720 x 1600 pixels | 5.5 inches, 720 x 1280 pixels |
| Rear Camera | 13 MP f/1.8 (Wide Angle)<br>5 MP f/2.2 (Ultra Wide)<br>2 MP f/2.4 (Macro)<br>2 MP f/2.4 (Depth Sensor) with autofocus | 13 MP + 5 MP with autofocus |
| Price | ₹13,990 | ₹12,500 |
Features | Samsung Galaxy A21 | Samsung Galaxy J7 Duo | Samsung Galaxy A8 (2018) | Samsung Galaxy S21 |
|---|---|---|---|---|
Show: All Features Differences |  |  | ||
| Overview | Advantages (Factors To Decide Which Device You Should Buy) Remove All Devices | |||
| Rankings | # 1 | # 2 | ||
| Specs Score | 68 / 100 | 60 / 100 | ||
| Operating System | Android v10.0 | Android v8.0 (Oreo) | ||
| Features Present In Only One Device (Unique Features) | Faster CPU
Around 43% faster CPU than Samsung Galaxy J7 Duo. Faster CPU means more smooth experience. | More RAM
Around 33% more RAM than Samsung Galaxy A21. More RAM means more applications can run at the same time, which makes the device faster. | ||
Bigger Screen
Around 16% bigger screen than Samsung Galaxy J7 Duo. Reading, browsing internet and watching movies is more pleasing experience on a bigger screen. | Has Front Camera Flash
Having a front camera flash allows you to take selfies in low light. | |||
Better Screen Resolution
Around 25% more pixels than Samsung Galaxy J7 Duo. More resolution means sharper and crisper screen. | Supports FM Radio
Listen to your favourite radio stations on your device. Enjoy music on the go with FM Radio. | |||
Has Quad Camera
Multiple cameras is useful for enhancing certain effects like blur, zoom and wide angle photos. | Has a Removable Battery
Remove the battery to switch off your device (Hard Reset) when it freezes. Also replace the battery or use a spare battery when device's battery performance is degraded. | |||
More Storage Capacity
Around 100% more inbuilt memory than Samsung Galaxy J7 Duo. More memory allows you to store more songs, videos, photos and install more applications. | ||||
Bigger Battery
Around 33% more Battery Capacity than Samsung Galaxy J7 Duo. With more battery size, device's battery can generally last more time, though it depends on various other factors too. | ||||
| General | ||||
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | ||
| Dual Sim | Yes | Yes | ||
| Sim Size | Nano+Nano SIM | Micro+Micro SIM | ||
| Device Type | Smartphone | Smartphone | ||
| Release Date | March 18, 2021 (Expected) | April, 2018 | ||
| Design | ||||
| Dimensions | 153.5 x 77.2 x 8.19 mm | |||
| Weight | 174 g | |||
| Display | ||||
| Type | Color Super AMOLED screen (16M) | Color Super AMOLED screen (16M colors) | ||
| Touch | Yes, with Multitouch | Yes, with Multitouch | ||
| Size | 6.4 inches, 720 x 1600 pixels | 5.5 inches, 720 x 1280 pixels | ||
| Aspect Ratio | 20:9 | 16:9 | ||
| PPI | ~274 PPI | ~267 PPI | ||
| Notch | Yes, Punch Hole | |||
| Memory | ||||
| RAM | 3 GB | 4 GB | ||
| Storage | 64 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 | Yes | ||
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | ||
| Bluetooth | Yes, v5.0 | Yes | ||
| USB | Yes, USB-C v2.0 | Yes | ||
| USB Features | USB Tethering, USB Charging | |||
| Extra | ||||
| GPS | yes with A-GPS, Glonass | Yes, with A-GPS Support | ||
| Fingerprint Sensor | Yes, Rear | Yes | ||
| Face Unlock | Yes | |||
| Sensors | Light sensor, Proximity sensor, Accelerometer | Accelerometer | ||
| 3.5mm Headphone Jack | Yes | Yes | ||
| Camera | ||||
| Rear Camera | 13 MP f/1.8 (Wide Angle) 5 MP f/2.2 (Ultra Wide) 2 MP f/2.4 (Macro) 2 MP f/2.4 (Depth Sensor) with autofocus | 13 MP + 5 MP with autofocus | ||
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Face detection, Geo tagging, Panorama, Touch to focus | ||
| Video Recording | 1080p @ 30fps FHD | 1080p @ 30fps FHD | ||
| Flash | Yes, LED | Yes, Dual LED | ||
| Front Camera | 8 MP f/2 (Main) | 8 MP with Flash | ||
| Front Video Recording | 1080p @ 30fps FHD | |||
| Technical | ||||
| OS | Android v10.0 | Android v8.0 (Oreo) | ||
| Chipset | Mediatek Helio P35 | Samsung Exynos 7870 | ||
| CPU | 2.3 GHz, Octa Core Processor | 1.6 GHz, Octa Core Processor | ||
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | |||
| GPU | PowerVR GE8320 | Mali-T830 MP1 | ||
| Java | No | Yes, via 3rd party | ||
| Browser | Yes, supports HTML5 | Yes, supports HTML | ||
| Multimedia | ||||
| Supports | MMS, Instant Messaging | |||
| Yes | Yes, with Push Email | |||
| Music | Yes | MP3, WAV, WMA, eAAC+, FLAC | ||
| Video | Yes | MP4, WMV, H.264 | ||
| FM Radio | No | Yes | ||
| Document Reader | Yes | Yes | ||
| Battery | ||||
| Type | Non-Removable Battery | Removable Battery | ||
| Size | 4000 mAh, Li-ion Battery | 3000 mAh, Li-ion Battery | ||
| Fast Charging | 15W Fast Charging | |||
| Features | Samsung Galaxy A21 | Samsung Galaxy J7 Duo | --- | --- |
|---|---|---|---|---|
| Differences |  |  | Add Another Product | Add Another Product |
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