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vivo Y51a vs Xiaomi Redmi K40 Gaming

General Info

Manufacturer
vivo Xiaomi
Announced
January 2021 April 2021
Status
Coming Soon - January 2021 Coming Soon - April 2021
Colors
Titanium Sapphire, Crystal Symphony Black, Gray, Silver, Bruce Lee Yellow
Form Factor
Candybar Candybar
Dimension
163.9 x 75.3 x 8.4 mm
(6.45 x 2.96 x 0.33 in)
161.9 x 76.9 x 8.3 mm
(6.37 x 3.03 x 0.33 in)
Weight
188 g (6.63 oz) 205 g (7.23 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1x
3G Network
HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
1, 3, 5, 8, 40 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G Network
- 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Messaging
Build Features
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (side-mounted)
Physical pop-up gaming triggers
IP53, dust and splash protection

Display

Type
IPS LCD Screen FHD+ OLED Screen
120Hz Refresh Rate
HDR10+
500 nits (typ)
Corning Gorilla Glass 5
Colors
16M Colour 1B colors
Size
6.58 inches [Similar] 6.67 inches [Similar]
Resolution
1080 x 2408 pixels (401 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio
84.54% 86.09%
Multi-Touch

Hardware and OS

OS
Android 11 Android 11
User Interface
Funtouch 11 MIUI 12.5
Processor
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] 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]
GPU
Adreno 610 [Similar] Mali-G77 MC9 [Similar]
RAM
8 GB [Browse Similar] 12 GB [Browse Similar]
Internal Memory
128 GB 256 GB
External Memory
microSDXC (dedicated slot) No

Camera

Rear Camera
48 MP + 8 MP + 2 MP [Similar] 64 MP + 8 MP + 2 MP [Similar]
Flash
LED Flash Dual-LED Flash
Features
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
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide)
2 MP, f/2.4, (macro)
HDR, Panorama
Video
4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
Front Camera
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
HDR
1080p@30fps [Similar]
16 MP
HDR
1080p@30fps, 720p@120fps, HDR [Similar]

Multimedia

3.5mm Jack
Radio
FM radio No
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 HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth
5.0, A2DP, LE 5.2, A2DP, LE
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/6, 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 A-GPS, GLONASS, GALILEO, BDS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Browser
Yes Yes

User Memory

Internal
128 GB, 8 GB RAM 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
Expandable Storage
microSDXC (dedicated slot) No
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 18W
Non-removable Li-Po Battery
Fast battery charging 67W, 100% in 42 min (advertised)
Power Delivery 3.0
Quick Charge 3+
Capacity
5000 mAh 5065 mAh
Stand by
- -
Talk Time
- -
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