- Home
- Compare Phones
- Samsung DoubleTime I857 vs Samsung R730 Transfix
Samsung DoubleTime I857 vs Samsung R730 Transfix
Side-by-side specs and price comparison for buyers in Algeria.

Samsung DoubleTime I857
Price coming soon

Samsung R730 Transfix
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Samsung R730 Transfix
Faster charging
Even
Higher-resolution camera
Even
Better display
Even
Lighter body
Samsung R730 Transfix
Best value for money
Even
Full specs comparison
Display
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Size (inches) | 3.2 | 3.2 |
| Resolution Height | 480 | 480 |
| Resolution Width | 320 | 320 |
| PPI | 180 | 180 |
| Screen-to-body | 43.5 | 46.9 |
Platform
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| CPU | 800 MHz Scorpion | 800 MHz |
| GPU | Adreno 205 | — |
| Chipset Name | Qualcomm MSM7230 | — |
| OS Name | Android | Android |
| OS Version | 2.2 | 2.3 |
Memory
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Card Slot | microSDHC (dedicated slot) | microSDHC (dedicated slot) |
| Variants | 0.25390625GB 0.25GB RAM | 0.1220703125GB |
Main Camera
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Video | 320p | Yes |
| Count | 1 | 1 |
| Lens | 3.15 MP | 3.15 MP |
Battery
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Capacity (mAh) | 1200 | 1500 |
| stand by | Up to 250 h | Up to 200 h |
| talk time | Up to 6 h | Up to 3 h 20 min |
Body
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| SIM | Mini-SIM | Mini-SIM |
| Height (mm) | 113 | 114 |
| keyboard | QWERTY | QWERTY |
| Thickness (mm) | 15 | 15 |
| Weight (g) | 148 | 126 |
| Width (mm) | 62 | 57 |
Launch
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Announced | 2011, October. Released 2011, November | 2011, October. Released 2011, October |
| Status | Discontinued | Discontinued |
Network
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | CDMA 800, 1900, 850 |
| 3G Bands | HSDPA 850, 1900, 2100 | CDMA2000 1xEV-DO |
| Speed | HSPA 7.2/2 Mbps | EV-DO Rev.A 3.1 Mbps |
| Technology | GSM, HSPA | CDMA, EVDO |
Connectivity
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Bluetooth | 3 | 2.1 |
| Positioning | GPS, A-GPS | GPS, A-GPS |
| Radio | No | No |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | — | Wi-Fi 4 |
Sound
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | Samsung DoubleTime I857 | Samsung R730 Transfix |
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass |
Buying advice for Algeria
Both Samsung DoubleTime I857 and Samsung R730 Transfix are sold in Algeria, but they fit different priorities.
Samsung R730 Transfix packs a 1500 mAh battery, which translates to longer screen-on time when you are away from a charger.
Other popular comparisons


Samsung Galaxy S26 Ultra vs Apple iPhone 17 Pro Max
Samsung compared to Apple

Samsung Galaxy S26 Ultra vs Google Pixel 10 Pro XL
Samsung compared to Google


Samsung Galaxy S26 Ultra vs Xiaomi 15 Ultra
Samsung compared to Xiaomi


Apple iPhone 17 Pro Max vs Xiaomi 15 Ultra
Apple compared to Xiaomi

Apple iPhone 17 Pro Max vs Google Pixel 10 Pro XL
Apple compared to Google


Samsung Galaxy S26+ vs Apple iPhone 17
Samsung compared to Apple