Samsung Galaxy A31 vs vivo V21 compare
The best smartphone comparison tool: compare Samsung Galaxy A31 vs vivo V21 and choose the best model for you
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Samsung Galaxy A31
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Samsung Galaxy A31 vs vivo V21
What is the difference between the Samsung Galaxy A31 and vivo V21? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
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Common specs
| Brand and model | Samsung Galaxy A31 | vivo V21 | |
| Rating | (+) | (+) | |
| Review | Samsung Galaxy A31 Review | ||
| Release date | 2020, March 24 | 2021, April 27 | |
| Dimensions (HxWxD) | 159.3 x 73.1 x 8.6 mm | 6.27 x 6.27 x 2.88 in | 159.7 x 73.9 x 7.3 mm | 6.29 x 6.29 x 2.91 in | |
| Weight | 185 g | 6.53 oz | 176 g | 6.21 oz | |
| Body Build | Glass front, plastic frame, plastic back | ||
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Dusk Blue, Sunset Dazzle | |
| Battery | 5000 mAh, Non-removable Li-Po | 4000 mAh, Li-Po, non-removable | |
| Approximate price | 220 EUR | 320 EUR |
Screen
| Technology | Super AMOLED | AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16 M | |
| Screen size | 6.4" inc | 6.44" inc | |
| Screen area | 98.9 cm2 | 100.1 cm2 | |
| Screen format | 20:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 84.9% | 84.8% | |
| Screen resolution | 1080 x 2400 px | 1080 x 2400 px | |
| Screen PPI /points per inch/ | 411 PPI | 409 PPI | |
| Other specs | - 90Hz -HDR10+ -500 nits (typ) |
Camera and Video
| Rear camera, main | 48 MP, Quad | 64 MP, Triple | |
| Camera specs | -48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro) -5 MP, f/2.4, (depth) |
-64 MP, f/1.8, 26mm (wide), 1/1.72'', 0.8µm, PDAF, OIS -8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0'', 1.12µm -2 MP, f/2.4, (macro) |
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| Functions | LED flash, panorama, HDR | LED flash, HDR, panorama | |
| Video | 1080p@30fps | 4K@30fps (no OIS), 1080p@30/60fps | |
| Front camera, selfie | 20 MP, Single | 44 MP, Single | |
| Specifications | 20 MP, f/2.2, (wide) | 44 MP, f/2.0, (wide), AF, OIS | |
| Functions | Dual-LED flash, HDR | ||
| Video | 1080p@30fps | 4K@30fps (no OIS), 1080p@30fps |
Performance
| Operating system - OS | Android 10.0; One UI 2.0 | Android 11, Funtouch 11.1 | |
| Chipset | - Mediatek MT6768 Helio P65 (12nm) | - MediaTek MT6853 Dimensity 800U 5G (7 nm) | |
| Processor CPU | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | - Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | |
| Graphics processor GPU | Mali-G52 MC2 | Mali-G57 MC3 | |
| External memory | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) | |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 128GB 8GB RAM |
Benchmark
| Antutu 8 Total | 183452 | 343804 | |
| GeekBench 6 Single Core | 386 | ||
| GeekBench 6 Multi Core | 1213 | ||
| GeekBench 6 OpenCL | 761 | ||
| GeekBench 5 Single Core | 326 | ||
| GeekBench 5 Multi-Core | 1157 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
Show all network frequencies: |
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| Speed | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes (market/region dependent) | No | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.49 W/kg (head) 1.68 W/kg (body) |
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Music and Audio
| Radio | FM radio, RDS, recording | No | |
| Headphone jack | Yes | No |
Other features
| Sensors | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
| Other extras |
- Fast charging 15W |
- Fast charging 33W, 63% in 30 min |
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