vivo
Side-by-side technical data
vivo Y31 (2015) vs vivo iQOO Z11xa
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
vivo Y31 (2015), if you care about…
- Weight
- 137 g
- against 219 g
- Expandable Storage
- Yes
- against No
vivo iQOO Z11xa, if you care about…
- Battery Capacity
- 7,200 mAh
- against 2,100 mAh
- RAM Capacity
- 8 GB
- against 1 GB
- Wi-Fi Standards
- Wi-Fi 6 (802.11ax)
- against Wi-Fi 802.11 b/g/n
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 4.0
Specification comparison
Performance
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Processor Model | MediaTek MT6580 | MediaTek Dimensity 7400 Turbo |
| Processor Process Size | 28 nm | 4 nm Best value |
| Graphics GPU | Mali-400 MP2 | Mali-G615 MC2 |
| Storage Type | — | UFS 3.1 |
| Maximum CPU Clock | 1.3 GHz | 2.6 GHz Best value |
| Maximum Storage Capacity | 8 GB | 256 GB Best value |
| AnTuTu Score | — | 890,000 |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Quad-core 1.3 GHz Cortex-A7 | — |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | — | — |
| RAM Capacity | 1 GB | 8 GB Best value |
| RAM Type | — | — |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Body Colors | White, Black | — |
| Body Thickness | 8.4 mm | 8.39 mm Best value |
| Body Width | 68.8 mm | 78.43 mm |
| Body Height | 137.2 mm | 166.64 mm |
| Weight | 137 g Best value | 219 g |
| Usable Surface | 64.5 % | — |
| Body Materials | — | Plastic |
| Resistance Features | — | IP68, IP69 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Battery
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 2,100 mAh | 7,200 mAh Best value |
| Battery Type | — | Si-Carbon Li-Ion |
| Fast Charge Power | — | 44 W |
| Battery Features | — | Battery Level Indicator, Charger Included, Fast Charging, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Display Aspect Ratio | 16:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | — | 1,300 nits |
| Display Diagonal | 4.7″ | 6.76″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,280 px | 2,344 px Best value |
| Display Pixel Density | 312 ppi | 382 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | HDR10, HDR10+, Touchscreen |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensors
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Sensor
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor |
Software
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Operating System | Android 5.1 | Android 16 |
| OS Family | Android | Android |
| OS Version | 5 | 16 Best value |
| OS Update Support | — | — |
| Direct OS Updates | — | No |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | — |
Connectivity
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| SIM Configurations | Dual SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100 | 4G LTE B1 |
| Cellular Technologies | GSM, HSPA | 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 6 (802.11ax) Best value |
| Wi-Fi Features | Wi-Fi Hotspot | Dual Band |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP |
| Navigation Systems | GPS | GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 | Infrared, USB 2.0, USB Type-C |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | — | 3,270 Mbps |
| Max. upload speed | — | 1,400 Mbps |
Audio
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, LE, Loudspeaker | LDAC, Stereo Speakers Best value |
| Alert types | — | — |
Technical
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Y31 (2015) | iQOO Z11xa |
|---|---|---|
| Built-in functions | — | — |
