Siemens ST55 vs Karbonn Rebel
Siemens ST55 vs Karbonn Rebel — full specifications compared side by side. The Siemens ST55 launched in 2003; the Karbonn Rebel in 2026. Karbonn Rebel has the bigger battery — 7,000 mAh against 750 mAh.
Siemens ST55: Specifications are still being confirmed — scores appear as data is verified.
Karbonn Rebel: Limited confirmed specifications — categories without real data are not scored.
Karbonn Rebel
5.7/ 10 — Below average
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Full specs & detailsKey highlights
| Highlight | Siemens ST55 | Karbonn Rebel |
|---|---|---|
| Processor | — | MediaTek Helio G81 |
| Display | LCD (other) | 6.75″ · LCD (other) · 90 Hz |
| Main camera | — | 50 MP |
| Battery | 750 mAh | 7,000 mAh · 18W charging |
| RAM / Storage | — | 6GB / 128GB |
Which is better?
- Category by category it is split — 1 scored categories each, with 0 tied.
- Karbonn Rebel has the bigger battery — 7,000 mAh against 750 mAh.
Category scores
| Category | Siemens ST55 | Karbonn Rebel |
|---|---|---|
| Display | 5.6Better | 5.0 |
| Battery | 2.2 | 7.5Better |
| Audio | 4.6 | — |
| Performance | — | 4.7 |
| Camera | — | 5.7 |
| Software | — | 6.0 |
| Call Quality | — | 6.2 |
Open the interactive comparisonRadar chart, winner highlights and a differences-only view.
Reasons to consider
Karbonn Rebel
- Bigger battery (7,000 mAh vs 750 mAh)
Full specifications side by side
| Specification | Siemens ST55 | Karbonn Rebel |
|---|---|---|
| Launch | ||
| Launch status | Discontinued | Available |
| Announced date | 2003 | — |
| Release date | — | 4 Nov 2026 |
| Memory | ||
| Card slot | None | — |
| Memory variants (RAM/storage) | — | 6 GB RAM + 128 GB |
| Display | ||
| Resolution | 120 × 160 pixels | — |
| Panel type | LCD (other) | LCD (other) |
| Display size | — | 6.75″ |
| Refresh rate | — | 90 Hz |
| Brightness (peak) | — | 650 nits |
| Siemens ST55 wins narrowly on Display (5.6 vs 5.0) | ||
| Battery | ||
| Battery capacity | 750 mAh | 7,000 mAh |
| Wired charging | — | 18W |
| Karbonn Rebel wins clearly on Battery (2.2 vs 7.5) | ||
| Body & build | ||
| Dimensions | 99 × 47 × 22 mm | — |
| Weight | 87 g | — |
| SIM | Mini-SIM | — |
| Colours | — | Blue, Gold, Silver |
| Connectivity | ||
| Wi-Fi | None | — |
| Audio | ||
| 3.5mm jack | No | — |
| Platform | ||
| OS | — | Android |
| OS version | — | Android 16 |
| Chipset (as published) | — | MediaTek Helio G81 |
| Network | ||
| Network technologies | — | 2G, 3G, 4G |
| Camera | ||
| Rear cameras | — | 50 MP |
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