Xiaomi Redmi 4 (4X) vs Vivo Y21
Price N/A  | Key Specs |
|---|
| Display | 5 | | Battery | 4100 mAh | | Camera | 13 MP | | Storage | 16 GB 2 GB RAM |
| | Network |
|---|
| Technology | GSM / HSPA / LTE | | 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | | 3G bands | HSDPA 850 / 900 / 1900 / 2100 | | 4G bands | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | | Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps | | GPRS | Yes | | EDGE | Yes |
| | Launch |
|---|
| Announced | 2017, May | | Status | Available. Released 2017, May |
| | Body |
|---|
| Dimensions | 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) | | Weight | 150 g (5.29 oz) | | Build | Front glass, aluminum body | | SIM | Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) |
| | Display for Xiaomi Redmi 4 (4X) |
|---|
| Type | IPS LCD capacitive touchscreen, 16M colors | | Size | 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) | | Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | | Multitouch | Yes | | Protection | Corning Gorilla Glass (unspecified version) | | - MIUI 8.0, 9.1 |
| | Platform |
|---|
| OS | Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat) | | Chipset | Qualcomm MSM8940 Snapdragon 435 | | CPU | Octa-core 1.4 GHz Cortex-A53 | | GPU | Adreno 505 |
| | Memory |
|---|
| Card slot | microSD, up to 128 GB (uses SIM 2 slot) | | Internal | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM or 16 GB, 2 GB RAM |
|
|
| Camera |
|---|
| Primary | 13 MP, f/2.0, phase detection autofocus, LED flash |
| Features | Geo-tagging, touch focus, face/smile detection, HDR, panorama |
| Video | 1080p@30fps |
| Secondary | 5 MP, f/2.2, 1080p |
|
| Sound |
|---|
| Alert types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| - Active noise cancellation with dedicated mic |
|
| Comms |
|---|
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Infrared port | Yes |
| Radio | FM radio |
| USB | microUSB 2.0 |
|
| Features |
|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM |
| Browser | HTML5 |
| Java | No |
| - DivX/Xvid/MP4/H.265 player
- MP3/WAV/eAAC+/FLAC player
- Photo/video editor
- Document viewer |
|
| Battery |
|---|
| Non-removable Li-Po 4100 mAh battery |
| Stand-by | Up to 432 h (3G) |
| Talk time | Up to 36 h (3G) |
| Music play | Up to 87 h |
|
| Tests |
|---|
| Performance | Basemark OS II: 946 / Basemark OS II 2.0: 832
Basemark X: 7608 |
| Display | Contrast ratio: 915 (nominal), 2.920 (sunlight) |
| Camera | Photo / Video |
| Loudspeaker | Voice 64dB / Noise 70dB / Ring 72dB |
| Audio quality | Noise -94.3dB / Crosstalk -94dB |
| Battery life | |
|
space | Rs. 59,699  | Key Specs |
|---|
| Display | 6.51" | | Battery | 5000 mAh | | Camera | 13 MP + 2 MP | | Storage | 128GB Built-in |
| | Network |
|---|
| Technology | GSM / HSPA / LTE | | 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | | 3G bands | HSDPA 850 / 900 / 2100 | | 4G bands | 1, 3, 5, 8, 38, 40, 41 | | Speed | HSPA 42.2/5.76 Mbps, LTE |
| | Launch |
|---|
| Announced | 2021, August 20 | | Status | Available. Released 2021, August 20 |
| | Body |
|---|
| Dimensions | 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) | | Weight | 182 g (6.42 oz) | | SIM | Dual SIM (Nano-SIM, dual stand-by) |
| | Display for Vivo Y21 |
|---|
| Type | IPS LCD | | Size | 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) | | Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| | Platform |
|---|
| OS | Android 11, Funtouch 11.1 | | Chipset | Mediatek MT6765 Helio P35 (12nm) | | CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | | GPU | PowerVR GE8320 |
| | Memory |
|---|
| Card slot | microSDXC (dedicated slot) | | Internal | 64GB 4GB RAM, 128GB 4GB RAM |
| |
| Main Camera |
|---|
| Dual | 13 MP, f/2.2, (wide), PDAF
2 MP, f/2.4, (macro) |
| Features | LED flash |
| Video | 1080p@30fps |
|
| Selfie camera |
|---|
| Single | 8 MP, f/2.0, (wide) |
| Video | 1080p@30fps |
|
| Sound |
|---|
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
|
| Comms |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | No |
| Radio | FM radio |
| USB | USB Type-C 2.0, USB On-The-Go |
|
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
|
| Battery |
|---|
| Type | Li-Po 5000 mAh, non-removable |
| Charging | Fast charging 18W |
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