Xiaomi Redmi K40 Gaming vs vivo Y51a
General Info
| Manufacturer | |
| Xiaomi | vivo |
| Announced | |
| April 2021 | January 2021 |
| Status | |
| Coming Soon - April 2021 | Coming Soon - January 2021 |
| Colors | |
| Black, Gray, Silver, Bruce Lee Yellow | Titanium Sapphire, Crystal Symphony |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in) |
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
| Weight | |
| 205 g (7.23 oz) | 188 g (6.63 oz) |
| SIM Type | |
| Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | |
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 | 1, 3, 5, 8, 40 |
| 5G Network | |
| 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 | - |
| Messaging | |
| Build Features | |
| - Fingerprint Sensor (side-mounted) Physical pop-up gaming triggers IP53, dust and splash protection |
- Fingerprint Sensor (side-mounted) |
Display
Hardware and OS
| OS | |
| Android 11 | Android 11 |
| User Interface | |
| MIUI 12.5 | Funtouch 11 |
| Processor | |
| Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), MediaTek MT6893 Dimensity 1200 5G (6 nm) [Similar] | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] |
| GPU | |
| Mali-G77 MC9 [Similar] | Adreno 610 [Similar] |
| RAM | |
| 12 GB [Browse Similar] | 8 GB [Browse Similar] |
| Internal Memory | |
| 256 GB | 128 GB |
| External Memory | |
| No | microSDXC (dedicated slot) |
Camera
| Rear Camera | |
| 64 MP + 8 MP + 2 MP [Similar] | 48 MP + 8 MP + 2 MP [Similar] |
| Flash | |
| Dual-LED Flash | LED Flash |
| Features | |
| 64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120Ë (ultrawide) 2 MP, f/2.4, (macro) HDR, Panorama |
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | |
| 4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR | 4K@30fps, 1080p@30fps, gyro-EIS |
| Front Camera | |
|
16 MP HDR 1080p@30fps, 720p@120fps, HDR [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm HDR 1080p@30fps [Similar] |
Multimedia
| 3.5mm Jack | |
| Radio | |
| No | FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | |
| 5.2, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | |
| USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | |
| Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | |
| Yes | Yes |
User Memory
| Internal | |
| 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 12 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 | 128 GB, 8 GB RAM |
| Expandable Storage | |
| No | microSDXC (dedicated slot) |
| USB OTG | |
| Supported | Supported |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| Magnetic-field Sensor (Compass) | |
| Gyroscope Sensor | |
| Barometer Sensor | |
| NFC | |
Battery
| Type | |
| Non-removable Li-Po Battery Fast battery charging 67W, 100% in 42 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | |
| 5065 mAh | 5000 mAh |
| Stand by | |
| - | - |
| Talk Time | |
| - | - |