Vivo Y51a vs Xiaomi Poco M8 Power
Product
Price
249 USD
249 USD
Status
Available
Available
Brand
Vivo Mobiles
Xiaomi Mobiles
Model No
Y51a
26021PC18I
Launch Date
2021, January 08
2026, August 04
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 40
LTE
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE, 5G
5G bands
SA/NSA
Dimensions
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
179.5 x 85.4 x 18.2 mm (7.07 x 3.36 x 0.72 in)
Weight
188 g (6.63 oz)
428 g (15.10 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Titanium Sapphire, Crystal Symphony
Black, Silver, Orange
Build
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)
MIL-STD-810H compliant
Drop resistant
Type
IPS LCD
OLED, 120Hz, PWM, 1800 nits (peak)
Size
6.58 inches, 101.5 cm2 (~82.2% screen-to-body ratio)
7.0 inches, 118.4 cm2 (~88.2% screen-to-body ratio)
Resolution
1080 x 2408 pixels, 21:9 ratio (~415 ppi density)
1080 x 2396 pixels (~375 ppi density)
OS
Android 11, Funtouch 11
Android 16, HyperOS 3
Chipset
Qualcomm SM6115 Snapdragon 662 (11 nm)
Qualcomm SM4450-AF Snapdragon 4 Gen 4
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (2x2.3 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Adreno 610
Adreno 613
RAM
8GB
6GB/8GB
Storage
128GB
128GB/256GB
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
8 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF
Lens 2
8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm
Lens 3
2 MP, f/2.4, (macro)
Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps, gyro-EIS
1080p@30fps
Lens 1
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
8 MP, (wide)
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 5000 mAh, non-removable
Si/C Li-Ion 8000 mAh
Charging
Fast charging 18W, 70% in 67 min (advertised)
45W wired, PD3.0
22.5W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, compass
Virtual proximity sensing
Loudspeaker
Yes
Yes
3.5mm jack
Yes
WLAN
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
Bluetooth
5.0, A2DP, LE
5.1, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
GPS, GALILEO, GLONASS, BDS
NFC
No
Yes (market/region dependent)
Radio
FM radio
Yes
USB
USB Type-C 2.0, USB On-The-Go
USB Type-C 2.0, OTG