Compare
Nothing Phone (4b) vs Vivo Y31 5G
₹2,000 apart. Here is what actually separates them.
Which one should you buy?
The Y31 5G starts ₹2,000 lower: ₹27,999 against ₹29,999 for the Nothing Phone (4b).
- The Y31 5G has the bigger battery: 6,500 mAh against 6,000 mAh. It also charges faster, at 44W against 33W.
- The Nothing Phone (4b) has the better screen on paper: brighter (2,000 nits against 1,000) and sharper (Full HD+ against HD+).
- Only the Nothing Phone (4b) has an ultrawide camera. Only the Nothing Phone (4b) stabilises its main camera optically (OIS), which helps in low light and on video.
- The Y31 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 Nothing Phone (4b) for the better screen, the ultrawide camera and a stabilised main camera. Get the Y31 5G for the lower price, the bigger battery and faster charging.
Every spec, lined up
Better on paper
Display
SpecPhone (4b)Y31 5G
Size
6.77 inches
6.68 inches
Panel
Super AMOLED
LCD
Resolution
2344 x 1080 (Full HD+) (better)
1608 x 720 (HD+)
Refresh rate
120Hz
120Hz
Peak brightness
2,000 nits (better)
1,000 nits
Protection
Dragontrail Pro Glass
Guardian Glass
Performance
SpecPhone (4b)Y31 5G
Chipset
Snapdragon 6 Gen 4
Snapdragon 4 Gen 2
CPU
Octa-core, up to 2.3GHz
Octa-core, up to 2.2GHz
GPU
Adreno 810
Not listed
RAM
6GB, 8GB
6GB
Storage
128GB, 256GB
128GB
Software
Nothing OS 4.1, Android 16 · 3 OS updates
Funtouch OS 15, Android 15
Camera
SpecPhone (4b)Y31 5G
Rear cameras
50MP main (OIS) + ultrawide
50MP main (f/1.8) + 0.08MP auxiliary (f/3.0)
Front camera
16MP
8MP (f/2.0)
Video
4K at 30fps (rear)
Not listed
Battery
SpecPhone (4b)Y31 5G
Battery
6,000 mAh
6,500 mAh (better)
Wired charging
33W
44W (better)
Build and connectivity
SpecPhone (4b)Y31 5G
Network
5G (SA/NSA), 4G LTE
5G (SA/NSA), 4G VoLTE
SIM
Dual nano SIM
Hybrid dual nano SIM (up to 2TB microSD)
Wi-Fi and Bluetooth
Wi-Fi 6, Bluetooth 6.0
Dual-band Wi-Fi (2.4GHz, 5GHz), Bluetooth 4.2
NFC
No
No
Dust and water
IP64
IP68 and IP69 (better)
Weight
210 g
209 g (better)
Thickness
8.6 mm
8.39 mm (better)
Colours
White, Black, Blue
Rose Red, Diamond Green
Availability
SpecPhone (4b)Y31 5G
Launch in India
7 Jul 2026
15 Sep 2025
Status
On sale
On sale
Versions and prices
Phone (4b)
- 6GB + 128GB₹29,999
- 8GB + 128GB₹39,999
- 8GB + 256GB₹40,999
Y31 5G
- 6GB + 128GB₹27,999
Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.