Samsung
Side-by-side technical data
Samsung DoubleTime I857 vs Samsung Galaxy Z Fold8
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 201 g
- Expandable Storage
- Yes
- against No
Samsung Galaxy Z Fold8, if you care about…
- Battery Capacity
- 4,800 mAh
- against 1,200 mAh
- RAM Capacity
- 16 GB
- against 256 MB
- Display Technology
- Dynamic AMOLED 2X
- against TFT LCD
- Bluetooth Version
- Bluetooth 6.0
- against Bluetooth 3.0
Specification comparison
Battery
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,200 mAh | 4,800 mAh Best value |
| Battery Type | Li-Ion | Si-Carbon Li-Ion Best value |
| Fast Charge Power | — | 45 W |
| Battery Features | — | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Bypass Charging, Rechargeable, Battery Level Indicator |
| Battery Endurance | — | — |
| Wireless charging power | — | 20 W |
| Charge cycles | — | — |
| Talk time | 6 h | — |
| Standby time | 250 h | — |
| Music playback time | — | — |
Design
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Body Colors | Black, White | Black, Cream, Lavender, Green, White, Purple |
| Body Thickness | 15 mm | 9.7 mm Best value |
| Body Width | 62 mm | 123.9 mm |
| Body Height | 113 mm | 161.4 mm |
| Weight | 148 g Best value | 201 g |
| Usable Surface | 43.5 % | 89.6 % Best value |
| Body Materials | — | Glass, Plastic, Aluminium Alloy |
| Resistance Features | — | IP48 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | Yes |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | 4.5 mm |
| QWERTY keyboard | Yes | — |
Performance
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Processor Model | Qualcomm MSM7230 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Processor Process Size | — | 3 nm |
| Graphics GPU | Qualcomm Adreno 205 | Qualcomm Adreno 840 |
| Storage Type | — | UFS 4.1 |
| Maximum CPU Clock | 0.8 GHz | 4.74 GHz Best value |
| Maximum Storage Capacity | — | 1 TB |
| AnTuTu Score | — | 2,947,517 |
| Geekbench 6 Single-Core | — | 3,234 |
| Geekbench 6 Multi-Core | — | 10,059 |
| 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 | — | 6,459 |
| Maximum memory card | — | — |
Sensors
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Display
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Display Aspect Ratio | 3:2 | 4:3 |
| Peak Display Brightness | — | 3,000 nits |
| Display Technology | TFT LCD | Dynamic AMOLED 2X Best value |
| Display Diagonal | 3.2″ | 7.6″ Best value |
| Display Horizontal Resolution | 320 px | 1,848 px Best value |
| Display Vertical Resolution | 480 px | 2,448 px Best value |
| Display Pixel Density | 180 ppi | 404 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Capacitive Touch, Multi-Touch | Hole-Punch Notch, Dynamic AMOLED 2X, LTPO, 120Hz, HDR10+, HDR10, Always-On Display, Scratch Resistant, Mohs Level 1, Anti-reflective coating, Capacitive Touch, Multi-Touch, Frameless, Foldable Display, Touchscreen |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | 3.2″ | 5.5″ Best value |
| Cover display refresh rate | — | 120 Hz |
| Cover display peak brightness | — | — |
| Display colors | 256K colors | — |
Sensor
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Barometer, Cooling System, Hall Sensor, Light Sensor |
Software
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Operating System | Android 2.2 | — |
| OS Family | Android | Android |
| OS Version | 2.2 | 16 Best value |
| OS Update Support | — | 7 years |
| Direct OS Updates | — | Yes |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| SIM Configurations | Mini-SIM | Nano-SIM + eSIM, Dual Nano-SIM + 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 3G UMTS B2, 3G UMTS B1, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | — | Wi-Fi 802.11a/b/g/n/ac/6/7, 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 | — | Tri-Band, Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 3.0 | Bluetooth 6.0 Best value |
| Bluetooth Profiles | A2DP | A2DP, LE, aptX HD, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, aptX |
| 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 | Samsung DeX, UWB, NFC, USB Type-C, USB 3.2, USB OTG, Computer Sync, eSIM, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB Host 3.2 |
| USB Version | — | USB 3.2 |
| SAR American Head | 0.54 W/kg Best value | 1.23 W/kg |
| SAR American Body | 0.97 W/kg Best value | 1.17 W/kg |
| SAR (EU) head | — | 0.82 W/kg |
| SAR (EU) body | — | 1.21 W/kg |
| Messaging | — | — |
Audio
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, Loudspeaker | Stereo Speakers, Dolby Atmos, Bluetooth, A2DP, LE, aptX HD, High-Bitrate Audio Support Best value |
| Alert types | — | — |
Technical
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | DoubleTime I857 | Galaxy Z Fold8 |
|---|---|---|
| Built-in functions | Organizer, Document viewer, Voice memo, Voice dial, Voice command, Predictive text input | — |
