Samsung DoubleTime I857 vs ZTE nubia X

Compare recorded specifications, size and practical differences.

+ Add a third phone

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    DoubleTime I857: 33 g lighter

    DoubleTime I857:
    148 g
    nubia X:
    181 g
  • Width

    DoubleTime I857: 11.3 mm narrower

    DoubleTime I857:
    62 mm
    nubia X:
    73.3 mm
  • Screen diagonal

    DoubleTime I857: 3.06 in smaller diagonal

    DoubleTime I857:
    3.2 in
    nubia X:
    6.26 in
  • Chipset

    DoubleTime I857:
    Qualcomm MSM7230
    nubia X:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    DoubleTime I857:
    Single
    nubia X:
    Dual
  • Depth

    nubia X: 6.6 mm thinner

    DoubleTime I857:
    15 mm
    nubia X:
    8.4 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm
    Depth:
    15 mm +6.6 mm versus nubia X
  2. 2. nubia X

    Height:
    154.1 mm +41.1 mm versus DoubleTime I857
    Width:
    73.3 mm +11.3 mm versus DoubleTime I857
    Depth:
    8.4 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. DoubleTime I857

    148 g

  2. 2. nubia X

    181 g

    +33 g versus DoubleTime I857

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. DoubleTime I857

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²
  2. 2. nubia X

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²

nubia X has approximately 220.8% more rectangular screen area than DoubleTime I857.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

DoubleTime I857: Original memory entry

260 MB · 256 MB RAM

nubia X: Original memory entry

128/256/512 GB · 8 GB RAM 64 GB · 6 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. DoubleTime I857

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. nubia X

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. DoubleTime I857

    1200 mAh

  2. 2. nubia X

    3800 mAh

    +2600 mAh versus DoubleTime I857

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. DoubleTime I8572. nubia X

Everyday essentials
Everyday essentials — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Dimensions (HxWxD)
  • 113 Х 62 Х 15 mm
  • 154.1 Х 73.3 Х 8.4 mm
Weight
  • 148 g
  • 181 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 3.2" inch
  • 6.26" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 260 MB
  • 256 MB RAM
  • 128/256/512 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Qualcomm MSM7230
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 30.5 cm2
  • 97.8 cm2
Screen format
  • 3:2 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 43.5%
  • 86.6%
PPI /points per inch/
  • 180 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/1.8
  • PDAF -24 MP
  • f/1.7
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 320p
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Dual
Specifications Unknown
  • Uses main cameras
Performance
Performance — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Processor CPU
  • 800 MHz Scorpion
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 205
  • Adreno 630
General specs
General specs — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Release date
  • 2011
  • October
  • 2018
  • October
Colors
  • Black/White
  • Blue Gold
  • Sea Blue
  • Black Gold
  • Deep Gray
  • Starry Night (512 GB only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 450 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 3.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Radio
  • No
  • No
Others
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
  • Secondary display (on the back): OLED
  • 5.1 inches
  • 720 x 1520 pixels
  • Corning Gorilla Glass 3
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for DoubleTime I857, nubia X.
SpecificationDoubleTime I857nubia X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)