Celkon
Side-by-side technical data
Celkon A21 vs Celkon 2GB Xpress
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?
Celkon A21, if you care about…
- Bluetooth Version
- Bluetooth 4.0
- against Bluetooth 2.1
- Weight
- 115.3 g
- against 134 g
Celkon 2GB Xpress, if you care about…
- RAM Capacity
- 2 GB
- against 256 MB
- Display Technology
- IPS LCD
- against TFT LCD
- Maximum Storage Capacity
- 16 GB
- against 512 MB
- Display Pixel Density
- 207 ppi
- against 144 ppi
Specification comparison
Battery
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,500 mAh | 1,500 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 8 h | — |
| Standby time | 120 h | — |
| Music playback time | — | — |
Design
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Body Colors | Black, Blue, Red | Black |
| Body Thickness | 10.8 mm | 10.1 mm Best value |
| Body Width | 66.1 mm | 66.5 mm |
| Body Height | 124.8 mm | 133.5 mm |
| Weight | 115.3 g Best value | 134 g |
| Usable Surface | 57.8 % | 64.9 % Best value |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 10.8 mm | — |
| QWERTY keyboard | — | — |
Performance
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Processor Model | MediaTek MT6582 | Spreadtrum 7731 |
| Processor Process Size | 28 nm | — |
| Graphics GPU | Mali-400 MP2 | Mali-400 |
| Storage Type | — | — |
| Maximum CPU Clock | 1.3 GHz Best value | 1.2 GHz |
| Maximum Storage Capacity | 512 MB | 16 GB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz |
| Processor Type | Quad-Core | Quad-Core |
| 64-Bit Processor | — | — |
| RAM Capacity | 256 MB | 2 GB Best value |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Display Aspect Ratio | 3:2 | 5:3 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 4″ | 4.5″ Best value |
| Display Horizontal Resolution | 320 px | 480 px Best value |
| Display Vertical Resolution | 480 px | 800 px Best value |
| Display Pixel Density | 144 ppi | 207 ppi Best value |
| 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 | — | — |
Sensor
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Sensor Features | Accelerometer | Accelerometer |
Software
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Operating System | Android 4.2 | Android 4.4 |
| OS Family | Android | Android |
| OS Version | 4.2 | 4.4 Best value |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | A21 | 2GB Xpress |
|---|---|---|
| SIM Configurations | Dual SIM Dual Standby | Dual SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 3G UMTS 2100 | 2G GSM 900, 2G GSM 1800, 3G UMTS 2100 |
| Cellular Technologies | GSM, HSPA | GSM, HSPA |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | 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, microUSB, USB 2.0 |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | 0.99 W/kg | — |
| SAR (EU) body | 1.39 W/kg | — |
| Messaging | — | — |
Audio
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, Loudspeaker | EDR, Loudspeaker |
| Alert types | — | — |
Technical
| Specification | A21 | 2GB Xpress |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | A21 | 2GB Xpress |
|---|---|---|
| Built-in functions | — | — |
