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realme NARZO Power 5G vs vivo Y400 5G

₹1,000 apart. Here is what actually separates them.

The short version

Which one should you buy?

The Y400 5G starts ₹1,000 lower: ₹31,999 against ₹32,999 for the realme NARZO Power 5G.

  • The realme NARZO Power 5G has the bigger battery: 10,001 mAh against 6,000 mAh. The Y400 5G charges faster, though: 90W against 80W.
  • The realme NARZO Power 5G has the better screen on paper: smoother (144Hz against 120Hz), brighter (6,500 nits against 1,800) and sharper (2800 x 1280 against Full HD+).
  • Only the realme NARZO Power 5G has an ultrawide camera; the Y400 5G backs its main camera with a 2MP depth sensor. Only the realme NARZO 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.
Which to buy

Get the realme NARZO Power 5G for the bigger battery, the better screen and the ultrawide camera. Get the Y400 5G for the lower price, faster charging and the lighter build.

Side by side

Every spec, lined up

Better on paper

Display

Specrealme NARZO Power 5GY400 5G
Size 6.8 inches 6.67 inches
Panel AMOLED AMOLED
Resolution 2800 x 1280 (better) 2400 x 1080 (Full HD+)
Refresh rate 144Hz (better) 120Hz
Peak brightness 6,500 nits (better) 1,800 nits
Protection Corning Gorilla Glass Not listed

Performance

Specrealme NARZO Power 5GY400 5G
Chipset MediaTek Dimensity 7400 Ultra Snapdragon 4 Gen 2
CPU Octa-core, up to 2.6GHz Octa-core, up to 2.2GHz
GPU Mali-G615 Not listed
RAM 8GB 8GB
Storage 128GB, 256GB 128GB
Software realme UI 7, Android 16 · 3 OS updates Funtouch OS 15, Android 15

Camera

Specrealme NARZO 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 (f/2.4) 32MP (f/2.45)
Video 4K at 30fps (rear), 1080p at 30fps (front) Not listed

Battery

Specrealme NARZO Power 5GY400 5G
Battery 10,001 mAh (better) 6,000 mAh
Wired charging 80W 90W (better)

Build and connectivity

Specrealme NARZO Power 5GY400 5G
Network 5G, 4G LTE 5G, 4G
SIM Dual nano SIM Dual nano SIM
Wi-Fi and Bluetooth Wi-Fi 5, Bluetooth 5.4 Wi-Fi (2.4GHz, 5GHz), Bluetooth
NFC No No
Dust and water IP66, IP68, IP69 IP68 and IP69
Weight 219 g 197 g (better)
Thickness 9.08 mm 7.9 mm (better)
Colours Trans Blue, Trans Silver Glam White, Olive Green

Availability

Specrealme NARZO Power 5GY400 5G
Launch in India 5 Mar 2026 4 Aug 2025
Status On sale On sale
Price in India

Versions and prices

realme NARZO Power 5G
  • 8GB + 128GB₹32,999
  • 8GB + 256GB₹34,999
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.

Quick answers

realme NARZO Power 5G vs Y400 5G, answered

In India, the realme NARZO Power 5G starts at ₹32,999 and the vivo Y400 5G starts at ₹31,999.

Read moreRead less

Which is cheaper, the realme NARZO Power 5G or the Y400 5G?

The Y400 5G, by ₹1,000. Starting prices: ₹31,999 for the Y400 5G, ₹32,999 for the realme NARZO Power 5G. The realme NARZO Power 5G comes in 2 versions, up to ₹34,999.

Which has the bigger battery, the realme NARZO Power 5G or the Y400 5G?

The realme NARZO Power 5G, with 10,001 mAh to 6,000 mAh. For charging, the Y400 5G is quicker: 90W to 80W. Battery life also depends on the chip and the software, so treat these as a starting point.

Which has the better display?

On paper, the realme NARZO Power 5G's: it is smoother (144Hz to 120Hz) and brighter (6,500 to 1,800 nits). The realme NARZO Power 5G has a 6.8-inch AMOLED at 144Hz, the Y400 5G a 6.67-inch AMOLED at 120Hz.

Which has the better camera?

On features, only the realme NARZO Power 5G has an ultrawide camera. The main cameras are 50MP main (Sony IMX882, OIS) on the realme NARZO Power 5G and 50MP main (f/1.8) on the Y400 5G. A spec sheet can't show how the photos look, so read a review before you decide on the camera alone.

Which processors do they use?

The realme NARZO Power 5G runs the MediaTek Dimensity 7400 Ultra, the Y400 5G the Snapdragon 4 Gen 2.

Which is better protected against water?

Neither: both are rated IP66, IP68 and IP69. Still, no phone is fully waterproof, so keep them out of the pool.

Which is lighter?

The Y400 5G, at 197 g to 219 g.