Samsung DoubleTime I857 vs ZTE Blade V8 Pro

Compare recorded specifications, size and practical differences.

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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: 37 g lighter

    DoubleTime I857:
    148 g
    Blade V8 Pro:
    185 g
  • Width

    DoubleTime I857: 15 mm narrower

    DoubleTime I857:
    62 mm
    Blade V8 Pro:
    77 mm
  • Screen diagonal

    DoubleTime I857: 2.3 in smaller diagonal

    DoubleTime I857:
    3.2 in
    Blade V8 Pro:
    5.5 in
  • Chipset

    DoubleTime I857:
    Qualcomm MSM7230
    Blade V8 Pro:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    Blade V8 Pro: 5.9 mm thinner

    DoubleTime I857:
    15 mm
    Blade V8 Pro:
    9.1 mm
  • Height

    DoubleTime I857: 43 mm shorter

    DoubleTime I857:
    113 mm
    Blade V8 Pro:
    156 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 +5.9 mm versus Blade V8 Pro
  2. 2. Blade V8 Pro

    Height:
    156 mm +43 mm versus DoubleTime I857
    Width:
    77 mm +15 mm versus DoubleTime I857
    Depth:
    9.1 mm

Weight

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

  1. 1. DoubleTime I857

    148 g

  2. 2. Blade V8 Pro

    185 g

    +37 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. Blade V8 Pro

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Blade V8 Pro has approximately 173.5% 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.

Recorded RAM for DoubleTime I857, Blade V8 Pro, compared at the same storage capacity.
StorageDoubleTime I857Blade V8 Pro
32 GB Unknown 3 GB RAM
DoubleTime I857: Original memory entry

260 MB · 256 MB 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. Blade V8 Pro

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Blade V8 Pro

    3140 mAh

    +1940 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. Blade V8 Pro

Everyday essentials
Everyday essentials — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Dimensions (HxWxD)
  • 113 Х 62 Х 15 mm
  • 156 Х 77 Х 9.1 mm
Weight
  • 148 g
  • 185 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.2" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 260 MB
  • 256 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3140 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 6.0.1 (Marshmallow)
Chipset
  • Qualcomm MSM7230
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 30.5 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 43.5%
  • 69.4%
PPI /points per inch/
  • 180 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • AF -2 MP
  • depth sensor
Functions Unknown
  • Dual-LED flash
  • panorama
Video
  • 320p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Processor CPU
  • 800 MHz Scorpion
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 205
  • Adreno 506
Antutu 7 score * Unknown
  • 61788
General specs
General specs — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Release date
  • 2011
  • October
  • 2017
  • January
Colors
  • Black/White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 6 h
  • Stand by time- Up to 552 h (3G) Talking time- Up to 24 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
SIM card
  • Mini-SIM
  • Hybrid 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 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 3.0
  • A2DP
  • 4.2
  • 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, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
Radio
  • No
  • FM radio
Others
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
  • 24-bit/192kHz audio -Dolby audio sound enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for DoubleTime I857, Blade V8 Pro.
SpecificationDoubleTime I857Blade V8 Pro
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 Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0)