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vivo Y31d vs vivo Y400 4G 27
Compare vivo Y31d vs vivo Y400 4G. In this table, we’ll compare both phones in simple terms—camera, battery, design, and performance—so you can easily pick the one that’s right for your lifestyle and budget.
Compare vivo Y31d vs vivo Y400 4G
Key specifications
| Display |
6.75 inch (1570 x 720 Pixels) |
6.67 inch (2400 x 1080 Pixels) |
| Battery |
7200 mAh (44W) |
6000 mAh (44W) |
| Processor |
Qualcomm Snapdragon 6s 4G Gen 2 |
Qualcomm Snapdragon 685 (6 nm) |
| Camera |
50MP+Auxiliary lens |
50+2 MP |
| Operating System |
Android 16 |
Android 15 |
General
| Launch Date |
16 January 2026 |
28 July 2025 |
| Color |
Glow White, Starlight Grey |
Purple Twilight, Tropical Green (Dynamic Green), Pearl White |
| Water Resistance |
IP68/IP69 |
IP68/IP69 |
| Availability Status |
|
|
Network
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| 4G Support |
Yes |
Yes |
| 5G Support |
No |
No |
| SIM Size |
Nano SIM |
Nano SIM |
| SIM Type |
Dual |
Dual |
Body
| Dimensions (mm) |
166.6 x 78.4 x 8.4 |
162.3 x 75.3 x 7.9 |
| Weight (g) |
219 |
196 |
| Build |
Glass front, plastic frame, plastic back |
Glass front, plastic back, plastic frame |
Display
| Display Size |
6.75 inch |
6.67 inch |
| Resolution |
1570 x 720 Pixels |
2400 x 1080 Pixels |
| Display Type |
IPS LCD |
AMOLED |
| Refresh Rate |
120Hz |
120Hz |
| Britness |
1250 nits (HBM) |
1200 nits (HBM) |
| Pixel Per Density (PPI) |
~256 |
~395 |
| Protection |
|
|
Battery
| Battery Type |
Non-removable |
Non-removable |
| Capacity |
7200 mAh |
6000 mAh |
| Charging |
44W |
44W |
Performance
| Processor |
Qualcomm Snapdragon 6s 4G Gen 2 |
Qualcomm Snapdragon 685 (6 nm) |
| Core |
Octa-core |
Octa-core |
| CPU |
1.9 GHz |
1.9 GHz |
| GPU |
Adreno |
Adreno 610 |
Storage
| RAM |
6/8 GB |
8 GB |
| Internal Storage |
128GB/256GB |
128GB/256GB |
| Expandable |
No |
No |
| Variants |
(128GB+6GB) (256GB+6GB) (256GB+8GB) |
(128GB+8GB) (256GB+8GB) |
| UFS |
UFS 2.2 |
UFS 2.2 |
Camera
| Camera Setup |
Dual |
Dual |
| Camera Size |
50MP+Auxiliary lens |
50+2 MP |
| Flash |
Yes |
Yes |
| Selfie Camera |
8 MP |
8 MP |
Software
| Operating System |
Android 16 |
Android 15 |
| UI |
OriginOS 6 |
Funtouch 15 |
Connectivity
| Wi-Fi |
Yes |
Yes |
| UI |
802.11 a/b/g/n/ac |
802.11 a/b/g/n/ac |
| Bluetooth |
Yes |
Yes |
| Bluetooth Version |
5.1 |
5.0 |
| Hotspot |
|
|
| GPS |
Yes |
Yes |
| Audio Jack |
No |
No |
| USB Type |
USB Type-C 2.0 |
USB Type-C 2.0 |
| OTG Support |
Yes |
Yes |
| Infrared |
Yes |
No |
| NFC |
No |
Yes |
Sensors
| Face ID |
|
|
| Fingerprint |
Yes (side-mounted) |
Yes (under display, optical) |
| Accelereometer |
|
|
| Proximity |
Yes |
Yes |
| Compass |
Yes |
Yes |
| Gyroscope |
Yes |
Yes |
| Barometer |
|
|
| spO2 |
|
|
| Heart Rate |
|
|
| Color Spectrum |
|
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