Both Snexian Rock R21 and Hotline Power comes with same RAM. In terms of display resolution, Hotline Power has better resolution of 480 x 320 than Snexian Rock R21 which has resolution of 320 x 240. Both have the same amount of internal memory.
| Name | Snexian Rock R21 | Hotline Power |
| RAM | 32 MB | 32 MB |
|---|---|---|
| Display | 1.8 in | 1.8 in |
| Internal Memory | 32 MB | 32 MB |
| Battery | 3000 mAh | 3000 mAh |
| Camera | 0.3 MP | 0.3 MP |
| Price | Rs. 699 | Rs. 599 |
The cost of Snexian Rock R21 is Rs. 699. The cost of Hotline Power is Rs. 599.
Hotline's phone has display density of 321 PPI & Snexian's phone has only 222 PPI display density. Snexian Rock R21 has 4:3 aspect ratio where as Hotline Power has 3:2 aspect ratio.
Both mobiles come with 32 MB RAM and both have same Internal Memory of 32 MB.
Snexian Rock R21 has 0.3 MP Rear Camera in comparison to Hotline Power's 0.3 MP Rear Camera.
| Name | Snexian Rock R21 | Hotline Power |
| General | ||
| Model | ROCK R21 | |
| Sim Type | Dual Sim | Dual Sim (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Normal SIM | |
| Device Type | Feature Phone | Feature Phone |
| In The Box | 1 Handset, 1 Battery, 1 Charger | Handset, Battery, Charger |
| Design | ||
| Design Type | Classic (Candybar) | |
| Colors | Blue | BLUE + BLACK |
| Display | ||
| Type | Color | Color |
| Touch | No | No |
| Size | 1.8 inches, 240 x 320 pixels | 1.8 inches, 320 x 480 pixels |
| Aspect Ratio | 4:3 | 3:2 |
| PPI | ~ 222 PPI | ~ 321 PPI |
| Memory | ||
| RAM | 32 MB | 32 MB |
| Storage | 32 MB | 32 MB |
| Card Slot | Yes, upto 32 GB | Yes, (Hybrid Slot) |
| Connectivity | ||
| 3G | No | No |
| Wifi | No | No |
| Bluetooth | Yes, v4.2 | |
| USB | Yes | Yes, microUSB |
| Extra | ||
| 3.5mm Headphone Jack | Yes | |
| Camera | ||
| Rear Camera | 0.3 MP | 0.3 MP |
| Video Recording | No | No |
| Flash | Yes | |
| Front Camera | 0.3 MP | No |
| Technical | ||
| OS | Symbian | |
| CPU | 1 MHz Processor | 1.4 GHz, Quad Core Processor |
| Java | No | No |
| Multimedia | ||
| FM Radio | Yes | No |
| Audio Jack Type | 3.5mm | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 3000 mAh | 3000 mAh |