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Read the verdict: Phone (4a) vs Y51 Pro 5G
Display
SpecPhone (4a)Y51 Pro 5G
Size
6.78 inches
6.75 inches
Panel
Flexible AMOLED
LCD
Resolution
2720 x 1224 (1.5K) (better)
1570 x 720 (HD+)
Refresh rate
120Hz
120Hz
Peak brightness
4,500 nits
Not listed
Protection
Gorilla Glass 7i
Not listed
Performance
SpecPhone (4a)Y51 Pro 5G
Chipset
Snapdragon 7s Gen 4
Dimensity 7360-Turbo
CPU
Octa-core, up to 2.7GHz
Octa-core, up to 2.5GHz
GPU
Adreno 810
Not listed
RAM
6GB, 8GB, 12GB
8GB
Storage
128GB, 256GB
128GB, 256GB
Software
Nothing OS 4.1, Android 16 · 3 OS updates
OriginOS 6, Android 16
Camera
SpecPhone (4a)Y51 Pro 5G
Rear cameras
50MP main (OIS) + 50MP periscope (OIS) + ultrawide
50MP main (f/2.0) + 2MP depth (f/2.4)
Front camera
32MP
8MP (f/2.05)
Video
4K at 30fps (rear)
4K at 30fps (rear)
Battery
SpecPhone (4a)Y51 Pro 5G
Battery
5,400 mAh
7,200 mAh (better)
Wired charging
50W (better)
44W
Build and connectivity
SpecPhone (4a)Y51 Pro 5G
Network
5G (SA/NSA), 4G LTE
5G (SA/NSA), 4G VoLTE
SIM
Dual nano SIM
Dual nano SIM
Wi-Fi and Bluetooth
Wi-Fi 6, Bluetooth 5.4
Dual-band Wi-Fi (2.4GHz, 5GHz), Bluetooth 5.4
NFC
No
No
Dust and water
IP64
IP68 and IP69 (better)
Weight
205 g (better)
219 g
Thickness
8.5 mm
8.39 mm (better)
Colours
White, Black, Pink, Blue
Festive Red, Noble Gold
Availability
SpecPhone (4a)Y51 Pro 5G
Launch in India
5 Mar 2026
11 Mar 2026
Status
On sale
On sale
Versions and prices
6GB + 128GB₹36,9998GB + 128GB₹44,9998GB + 256GB₹49,99912GB + 256GB₹50,999
8GB + 128GB₹34,9998GB + 256GB₹37,999