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realme P4x 5G vs vivo Y31t 5G

Same price. Here is what actually separates them.

The short version

Which one should you buy?

Same price: both start at ₹26,999 in India, so this comes down to what you get for it.

  • The Y31t 5G has the bigger battery: 7,200 mAh against 7,000 mAh.
  • The realme P4x 5G has the better screen on paper: smoother (144Hz against 120Hz) and sharper (Full HD+ against HD+).
  • The realme P4x 5G is the lighter phone: 208 g against 219 g.
  • The Y31t 5G is better sealed against dust and water: IP68 and IP69 against IP64. Only it is rated to survive a dunk in water.
Which to buy

Get the realme P4x 5G for the better screen and the lighter build. Get the Y31t 5G for the bigger battery and better water protection.

Side by side

Every spec, lined up

Better on paper

Display

Specrealme P4x 5GY31t 5G
Size 6.72 inches 6.75 inches
Panel LCD LCD
Resolution 2400 x 1080 (Full HD+) (better) 1608 x 720 (HD+)
Refresh rate 144Hz (better) 120Hz
Peak brightness 1,000 nits 1,250 nits (better)

Performance

Specrealme P4x 5GY31t 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 6GB, 8GB 4GB, 6GB
Storage 128GB 128GB
Software realme UI 6, Android 15 OriginOS 6, Android 16

Camera

Specrealme P4x 5GY31t 5G
Rear cameras 50MP main + 2MP monochrome 50MP main (f/2.0) + 2MP depth (f/2.4)
Front camera 8MP (f/2.0) 8MP (f/2.05)
Video 4K at 30fps (rear), 1080p at 30fps (front) Not listed

Battery

Specrealme P4x 5GY31t 5G
Battery 7,000 mAh 7,200 mAh (better)
Wired charging 45W (better) 44W

Build and connectivity

Specrealme P4x 5GY31t 5G
Network 5G, 4G LTE 5G, 4G
SIM Dual nano SIM Dual nano SIM
Wi-Fi and Bluetooth Wi-Fi 6, Bluetooth 5.4 Wi-Fi (2.4GHz, 5GHz), Bluetooth 4.2
NFC No No
Dust and water IP64 IP68 and IP69 (better)
Weight 208 g (better) 219 g
Thickness 8.39 mm 8.39 mm
Colours Matte Silver, Lake Green, Elegant Pink Crimson Red, Seashore Green, Golden Mist

Availability

Specrealme P4x 5GY31t 5G
Launch in India 4 Dec 2025 27 Aug 2026
Status On sale On sale
Price in India

Versions and prices

realme P4x 5G
  • 6GB + 128GB₹26,999
  • 8GB + 128GB₹29,999
Y31t 5G
  • 4GB + 128GB₹26,999
  • 6GB + 128GB₹31,499

Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.

Quick answers

realme P4x 5G vs Y31t 5G, answered

In India, the realme P4x 5G starts at ₹26,999 and the vivo Y31t 5G starts at ₹26,999.

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Which is cheaper, the realme P4x 5G or the Y31t 5G?

Neither: both start at ₹26,999. The realme P4x 5G comes in 2 versions, up to ₹29,999. The Y31t 5G comes in 2 versions, up to ₹31,499.

Which has the bigger battery, the realme P4x 5G or the Y31t 5G?

The Y31t 5G, with 7,200 mAh to 7,000 mAh. Charging is close too: 45W and 44W. 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 P4x 5G's: it is smoother (144Hz to 120Hz). The realme P4x 5G has a 6.72-inch LCD at 144Hz, the Y31t 5G a 6.75-inch LCD at 120Hz.

Which has the better camera?

The main cameras are 50MP main on the realme P4x 5G and 50MP main (f/2.0) on the Y31t 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 P4x 5G runs the MediaTek Dimensity 7400 Ultra, the Y31t 5G the Snapdragon 4 Gen 2.

Which is better protected against water?

The Y31t 5G, rated IP68 and IP69 to the realme P4x 5G's IP64. Only the Y31t 5G is rated to survive a dunk. Still, no phone is fully waterproof, so keep them out of the pool.

Which is lighter?

The realme P4x 5G, at 208 g to 219 g.