Xiaomi Redmi Note 9 vs vivo Y21s compare
The best smartphone comparison tool: compare Xiaomi Redmi Note 9 vs vivo Y21s and choose the best model for you
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Xiaomi Redmi Note 9
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Xiaomi Redmi Note 9 vs vivo Y21s
What is the difference between the Xiaomi Redmi Note 9 and vivo Y21s? 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 | Xiaomi Redmi Note 9 | vivo Y21s | |
| Rating | (+) | (+) | |
| Review | Xiaomi Redmi Note 9 Review | vivo Y21s Review | |
| Release date | 2020, April 30 | 2021, September 21 | |
| Dimensions (HxWxD) | 162.3 x 77.2 x 8.9 mm | 6.39 x 6.39 x 3.04 in | 164.3 x 76.1 x 8 mm | 6.47 x 6.47 x 3 in | |
| Weight | 199 g | 7.02 oz | 182 g | 6.42 oz | |
| Body Build | Glass front (Gorilla Glass 5), plastic frame | ||
| Colors | Forest Green, Midnight Grey, Polar White | Midnight Blue, Pearl White | |
| Battery | 5020 mAh, Non-removable Li-Po | 5000 mAh, Li-Po, non-removable | |
| Approximate price | $ 150 |
Screen
| Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.53" inc | 6.51" inc | |
| Screen area | 104.7 cm2 | 102.3 cm2 | |
| Screen format | 19.5:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 83.5% | 81.8% | |
| Screen resolution | 1080 x 2340 px | 720 x 1600 px | |
| Screen PPI /points per inch/ | 395 PPI | 270 PPI | |
| Screen protection | Corning Gorilla Glass 5 | ||
| Other specs | - 450 nits typ. brightness (advertised) |
Camera and Video
| Rear camera, main | 48 MP, Quad | 50 MP, Triple | |
| Camera specs | -48 MP, f/1.8, 26mm (wide), 1/2.0'', 0.8µm, PDAF -8 MP, f/2.2, 118° (ultrawide), 1/4.0'', 1.12µm -2 MP, f/2.4, (macro), AF -2 MP, f/2.4, (depth) |
-50 MP, f/1.8, 24mm (wide), PDAF -2 MP, f/2.4, (macro) -2 MP, f/2.4, (depth) |
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| Functions | LED flash, HDR, panorama | LED flash | |
| Video | 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 13 MP, Single | 8 MP, Single | |
| Specifications | 13 MP, f/2.3, 29mm (standart), 1/3.1'', 1.12µm | 8 MP, f/2.0, (wide) | |
| Functions | HDR, panorama | HDR | |
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10; MIUI 11 | Android 11, Funtouch 11.1 | |
| Chipset | - MediaTek Helio G85 (12nm) | - Mediatek MT6769V/CU Helio G80 (12 nm) | |
| Processor CPU | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | |
| Graphics processor GPU | Mali-G52 MC2 | Mali-G52 MC2 | |
| External memory | microSDXC (dedicated slot) | microSDXC (dedicated slot) | |
| Internal memory | 64GB 3GB RAM, 128GB 4GB RAM | 128GB 4GB RAM, 128GB 6GB RAM |
Benchmark
| Antutu 8 Total | 205832 | 205345 | |
| GeekBench 5 Single Core | 365 | ||
| GeekBench 5 Multi-Core | 1355 |
Communication and Connectivity
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
Show all network frequencies: |
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| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE | |
| 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)M2003J15SG (Yes); M20 | Yes (market/region dependent) | |
| USB | 2.0, Type-C 1.0 reversible connector | USB Type-C 2.0, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR - 0.84 W/kg (head) 0.90 W/kg (body) SAR EU - 0.80 W/kg (head) 1.14 W/kg (body) |
SAR - 0.83 W/kg (head) 1.09 W/kg (body) | |
Music and Audio
| Radio | FM radio | ||
| Headphone jack | Yes | Yes |
Other features
| Sensors | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port | - Fingerprint (side-mounted), accelerometer, proximity, compass | |
| Other extras |
- Fast charging 18W -Reverse charging 9W - Splash-proof coating |
- Fast charging 18W -Reverse charging |
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