Samsung
Side-by-side technical data
Samsung DoubleTime I857 vs Samsung Galaxy Z Fold8 Ultra
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?
Samsung DoubleTime I857, if you care about…
- Weight
- 148 g
- against 215 g
- Expandable Storage
- Yes
- against No
Samsung Galaxy Z Fold8 Ultra, if you care about…
- Battery Capacity
- 5,000 mAh
- against 1,200 mAh
- RAM Capacity
- 16 GB
- against 256 MB
- Display Technology
- Dynamic AMOLED 2X
- against TFT LCD
- Display Pixel Density
- 422 ppi
- against 180 ppi
Specification comparison
Performance
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Processor Model | Qualcomm MSM7230 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Processor Process Size | — | 3 nm |
| Graphics GPU | Qualcomm Adreno 205 | Qualcomm Adreno 840 (1.2 GHz) |
| Storage Type | — | UFS 4.x |
| Maximum CPU Clock | 0.8 GHz | 4.74 GHz Best value |
| Maximum Storage Capacity | — | 1 TB |
| AnTuTu Score | — | 2,970,196 |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | 800 MHz Scorpion | Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) |
| Processor Type | — | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 256 MB | 16 GB Best value |
| RAM Type | — | LPDDR5X |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | 6,772 |
| Maximum memory card | — | — |
Design
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Body Colors | Black, White | Grey, Cream, Purple, White, Green |
| Body Thickness | 15 mm | 8.9 mm Best value |
| Body Width | 62 mm | 143.2 mm |
| Body Height | 113 mm | 158.4 mm |
| Weight | 148 g Best value | 215 g |
| Usable Surface | 43.5 % | — |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | A |
| Repairability Class | — | C |
| Foldable | No | Yes |
| Rugged Build | No | No |
| Drop Test Count | — | 210 |
| Unfolded thickness | — | 4.1 mm |
| QWERTY keyboard | Yes | — |
Battery
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Battery Efficiency Rating | — | A |
| Battery Capacity | 1,200 mAh | 5,000 mAh Best value |
| Battery Type | Li-Ion | — |
| Fast Charge Power | — | 45 W |
| Battery Features | — | — |
| Battery Endurance | — | 51 h 10 min |
| Wireless charging power | — | 20 W |
| Charge cycles | — | 1,200 |
| Talk time | 6 h | — |
| Standby time | 250 h | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | 4.5 W |
Display
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Display Aspect Ratio | 3:2 | — |
| Display Technology | TFT LCD | Dynamic AMOLED 2X Best value |
| Peak Display Brightness | — | 3,000 nits |
| Display Diagonal | 3.2″ | 8″ Best value |
| Display Horizontal Resolution | 320 px | 2,256 px Best value |
| Display Vertical Resolution | 480 px | 2,504 px Best value |
| Display Pixel Density | 180 ppi | 422 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Capacitive Touch, Multi-Touch | Anti-reflective coating, Dynamic AMOLED 2X, Foldable Display, 120Hz, HDR10+, Hole-Punch Notch, Always-On Display, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Mohs Level 1, Secondary Display |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | 3.2″ | 6.5″ Best value |
| Cover display refresh rate | — | 120 Hz |
| Cover display peak brightness | — | — |
| Display colors | 256K colors | — |
Sensors
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Sensor
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Cooling System, Barometer, Hall Sensor, Light Sensor |
Software
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Operating System | Android 2.2 | — |
| OS Family | Android | Android |
| OS Version | 2.2 | 17 Best value |
| OS Update Support | — | 7 years |
| Direct OS Updates | — | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | Yes |
Connectivity
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| SIM Configurations | Mini-SIM | Nano-SIM + eSIM, Dual eSIM, Dual SIM Dual Standby Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS 1900, 3G UMTS 2100 | — |
| Cellular Technologies | GSM, HSPA | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | — | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) |
| Wi-Fi Features | — | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO, Tri-Band |
| Bluetooth Version | Bluetooth 3.0 | — |
| Bluetooth Profiles | A2DP | — |
| Navigation Systems | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value |
| Connectivity Features | 3.5 mm Audio Jack, microUSB, MP3 Player, MP4/3GP Player | ANT+ |
| USB Version | — | USB 3.2 |
| SAR American Head | 0.54 W/kg Best value | 1.1 W/kg |
| SAR American Body | 0.97 W/kg Best value | 1.25 W/kg |
| SAR (EU) head | — | 0.82 W/kg |
| SAR (EU) body | — | 1.17 W/kg |
| Messaging | — | — |
| Max. download speed | — | 12,500 Mbps |
| Max. upload speed | — | 3,500 Mbps |
Audio
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, Loudspeaker | — |
| Alert types | — | — |
Technical
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | DoubleTime I857 | Galaxy Z Fold8 Ultra |
|---|---|---|
| Built-in functions | Organizer, Document viewer, Voice memo, Voice dial, Voice command, Predictive text input | — |
