Side-by-side technical data
vivo Y400 vs vivo Y51 Pro
Comparison between vivo Y400 and vivo Y51 Pro: camera, battery, fast charging, display, performance and colors, side by side. More phones from vivo.
The verdict
Your pick: vivo Y51 Pro, ahead on Performance & hardware and Connectivity. Unless Design & display decides it for you.
| Category | Y400 | Y51 Pro |
|---|---|---|
| Design & display | 8.2 | 6.1 |
| Performance & hardware | 5.9 | 7.6 |
| Camera | 3.6 | 3.6 |
| Connectivity | 6.3 | 6.8 |
| Battery & charging | 7.4 | 7.1 |
Which one is for you?
vivo Y400, if you care about…
- Display Technology
- AMOLED
- against IPS LCD
- Peak Display Brightness
- 1,800 nits
- against 1,250 nits
- Display Pixel Density
- 395 ppi
- against 256 ppi
- Weight
- 197 g
- against 219 g
vivo Y51 Pro, if you care about…
- Battery Capacity
- 7,200 mAh
- against 6,000 mAh
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E
- against Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.0
- RAM Type
- DDR5
- against LPDDR4X
Specification comparison
Performance
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 4 Gen 2 | MediaTek Dimensity 7360 Turbo |
| Processor Process Size | 4 nm | 4 nm |
| Graphics GPU | Qualcomm Adreno 613 | Mali-G615 MC2 |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Maximum CPU Clock | 2.2 GHz | 2.5 GHz Best value |
| Maximum Storage Capacity | 256 GB | 256 GB |
| AnTuTu Score | 456,552 | — |
| CPU Description | Octa-core CPU with 2x2.2 GHz Cortex-A78 and 6x1.95 GHz Cortex-A55 cores. | Octa-core processor with four Cortex-A78 cores at 2.5 GHz and four Cortex-A55 cores at 2.0 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | DDR5 Best value |
| AnTuTu version | v10 | — |
Design
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Body Colors | White, Green, Black | Red, Gold |
| Body Thickness | 7.9 mm Best value | 8.4 mm |
| Body Width | 75.3 mm | 78.4 mm |
| Body Height | 162.3 mm | 166.6 mm |
| Weight | 197 g Best value | 219 g |
| Usable Surface | 87.9 % Best value | 85.3 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Resistance Features | IP68, IP69, MIL-STD-810H | IP68, IP69 |
| Waterproof Depth | 2 m Best value | 1.5 m |
Battery
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Battery Capacity | 6,000 mAh | 7,200 mAh Best value |
| Battery Type | Li-Ion | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 90 W Best value | 44 W |
| Battery Features | Fast Charging, Bypass Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Reverse Charging, Bypass Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | AMOLED Best value | IPS LCD |
| Peak Display Brightness | 1,800 nits Best value | 1,250 nits |
| Display Diagonal | 6.67″ | 6.75″ Best value |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 2,400 px Best value | 1,570 px |
| Display Pixel Density | 395 ppi Best value | 256 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Hole-Punch Notch, Curved Glass, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, DCI-P3, 120Hz | IPS LCD, 120Hz, Capacitive Touch |
Sensors
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Side |
Sensor
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Operating System | Android 15 | Android 16 |
| OS Family | Android | Android |
| OS Version | 15 | 16 Best value |
| OS Update Support | 1 year | — |
Connectivity
| Specification | Y400 | Y51 Pro |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B18, 3G UMTS B19, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28b, 5G NR n40, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n20, 5G NR n28, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | GSM, HSPA, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE, VoWiFi, USB 2.0, USB Host | Infrared, USB Type-C, USB OTG, USB 2.0 |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | 0.99 W/kg | — |
| SAR American Body | 0.8 W/kg | — |
| Max. download speed | 2,500 Mbps | — |
| Max. upload speed | 900 Mbps | — |
Audio
| Specification | Y400 | Y51 Pro |
|---|---|---|
| Audio Features | Stereo Speakers, A2DP, LE, Hi-Res Audio | A2DP, LE, Stereo Speakers |
