Compare
Realme P4 Power 5G vs Vivo Y400 5G
₹1,000 apart. Here is what actually separates them.
Which one should you buy?
The Y400 5G starts ₹1,000 lower: ₹31,999 against ₹32,999 for the P4 Power 5G.
- The P4 Power 5G has the bigger battery: 10,001 mAh against 6,000 mAh. The Y400 5G charges faster, though: 90W against 80W.
- The screens are a split decision: the P4 Power 5G is smoother (144Hz against 120Hz) and sharper (1.5K against Full HD+), the Y400 5G is brighter (1,800 nits against 600).
- Only the P4 Power 5G has an ultrawide camera; the Y400 5G backs its main camera with a 2MP depth sensor. Only the P4 Power 5G stabilises its main camera optically (OIS), which helps in low light and on video.
- The Y400 5G is the lighter phone: 197 g against 219 g.
- Only the P4 Power 5G has NFC, for tap-to-pay and quick pairing.
Which to buy
Get the P4 Power 5G for the bigger battery, the smoother screen and the ultrawide camera. Get the Y400 5G for the lower price, faster charging and the brighter screen.
Every spec, lined up
Better on paper
Display
SpecP4 Power 5GY400 5G
Size
6.80 inches
6.67 inches
Panel
AMOLED
AMOLED
Resolution
2800 x 1280 (1.5K) (better)
2400 x 1080 (Full HD+)
Refresh rate
144Hz (better)
120Hz
Peak brightness
600 nits
1,800 nits (better)
Protection
Gorilla Glass 7i
Not listed
Performance
SpecP4 Power 5GY400 5G
Chipset
MediaTek Dimensity 7400 Ultra
Snapdragon 4 Gen 2
CPU
4nm Process, Octa-core, UP to 2.6GHz
Octa-core, up to 2.2GHz
GPU
Arm®Mali-G615 GPU@1.047GHZ
Not listed
RAM
8GB, 12GB
8GB
Storage
128GB, 256GB
128GB
Software
realme UI 7, Android 16 · 2 OS updates
Funtouch OS 15, Android 15
Camera
SpecP4 Power 5GY400 5G
Rear cameras
50MP main (Sony IMX882, OIS) + 8MP ultrawide
50MP main (f/1.8) + 2MP depth (f/2.4)
Front camera
16MP
32MP (f/2.45)
Video
4K at 30fps (rear), 1080p at 30fps (front)
Not listed
Battery
SpecP4 Power 5GY400 5G
Battery
10,001 mAh (better)
6,000 mAh
Wired charging
80W
90W (better)
Build and connectivity
SpecP4 Power 5GY400 5G
Network
5G, 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
NFC
Yes (better)
No
Dust and water
IP68 and IP69
IP68 and IP69
Weight
219 g
197 g (better)
Thickness
9.1 mm
7.9 mm (better)
Colours
Trans Blue, Trans Orange, Trans Silver
Glam White, Olive Green
Availability
SpecP4 Power 5GY400 5G
Launch in India
26 May 2026
4 Aug 2025
Status
On sale
On sale
Versions and prices
P4 Power 5G
- 8GB + 128GB₹32,999
- 8GB + 256GB₹34,999
- 12GB + 256GB₹37,999
Y400 5G
- 8GB + 128GB₹31,999
Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.
