NIU
Side-by-side technical data
NIU Andy 4E2I vs NIU GO 21
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?
NIU Andy 4E2I, if you care about…
- Battery Capacity
- 1,400 mAh
- against 650 mAh
- Bluetooth Version
- Bluetooth 4.0
- against Bluetooth 2.1
- Display Pixel Density
- 233 ppi
- against 114 ppi
- Usable Surface
- 58.3 %
- against 21.6 %
NIU GO 21, if you care about…
- Weight
- 66 g
- against 110 g
Specification comparison
Battery
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,400 mAh Best value | 650 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 18 h Best value | 6 h |
| Standby time | 280 h Best value | 200 h |
| Music playback time | — | — |
Design
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Body Colors | Black, White, Red, Blue, Yellow | Black, Orange, Grey, Red, Green, Blue |
| Body Thickness | 10.7 mm Best value | 14.2 mm |
| Body Width | 64.6 mm | 44.9 mm |
| Body Height | 121 mm | 105 mm |
| Weight | 110 g | 66 g Best value |
| Usable Surface | 58.3 % Best value | 21.6 % |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 10.7 mm | — |
| QWERTY keyboard | — | — |
Performance
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Processor Model | MediaTek MT6572M | — |
| Processor Process Size | 28 nm | — |
| Graphics GPU | Mali-400 | — |
| Storage Type | — | — |
| Maximum CPU Clock | 1 GHz | — |
| Maximum Storage Capacity | 4 GB | — |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Dual-core 1.0 GHz Cortex-A7 | — |
| Processor Type | Dual-Core | — |
| 64-Bit Processor | — | — |
| RAM Capacity | 512 MB | — |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Display Aspect Ratio | 5:3 | 4:5 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | TFT LCD |
| Display Diagonal | 4″ Best value | 1.8″ |
| Display Horizontal Resolution | 480 px Best value | 128 px |
| Display Vertical Resolution | 800 px Best value | 160 px |
| Display Pixel Density | 233 ppi Best value | 114 ppi |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | — |
| 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 | 256K colors Best value | 65K colors |
Sensor
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Sensor Features | Accelerometer | — |
Software
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Operating System | Android 4.4 | — |
| OS Family | Android | — |
| OS Version | 4 | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | No |
Connectivity
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| SIM Configurations | Dual Mini-SIM + Micro-SIM | Dual Mini-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B900, 3G UMTS 2100 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900 |
| Cellular Technologies | GSM, HSPA Best value | GSM, GPRS |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n | — |
| Wi-Fi Features | Wi-Fi Hotspot | — |
| Bluetooth Version | Bluetooth 4.0 Best value | Bluetooth 2.1 |
| Bluetooth Profiles | A2DP | EDR |
| Navigation Systems | GPS | — |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB | 3.5 mm Audio Jack, FM Radio, USB Charging, microUSB |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | SMS, MMS, Instant messaging |
Audio
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, Loudspeaker | EDR |
| Alert types | — | — |
Technical
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Andy 4E2I | GO 21 |
|---|---|---|
| Built-in functions | — | Audio/video player, Organizer, Predictive text input |
