alcatel OT-997D vs ZTE Nubia Prague S

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

    Nubia Prague S: 8 g lighter

    OT-997D:
    143 g
    Nubia Prague S:
    135 g
  • Width

    OT-997D: 4.5 mm narrower

    OT-997D:
    68 mm
    Nubia Prague S:
    72.5 mm
  • Screen diagonal

    OT-997D: 0.9 in smaller diagonal

    OT-997D:
    4.3 in
    Nubia Prague S:
    5.2 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    Nubia Prague S:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Nubia Prague S: 4.2 mm thinner

    OT-997D:
    11 mm
    Nubia Prague S:
    6.8 mm
  • Height

    OT-997D: 18.4 mm shorter

    OT-997D:
    129.8 mm
    Nubia Prague S:
    148.2 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. OT-997D

    Height:
    129.8 mm
    Width:
    68 mm
    Depth:
    11 mm +4.2 mm versus Nubia Prague S
  2. 2. Nubia Prague S

    Height:
    148.2 mm +18.4 mm versus OT-997D
    Width:
    72.5 mm +4.5 mm versus OT-997D
    Depth:
    6.8 mm

Weight

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

  1. 1. OT-997D

    143 g

    +8 g versus Nubia Prague S

  2. 2. Nubia Prague S

    135 g

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. OT-997D

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²
  2. 2. Nubia Prague S

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

Nubia Prague S has approximately 41.6% more rectangular screen area than OT-997D.

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 OT-997D, Nubia Prague S, compared at the same storage capacity.
StorageOT-997DNubia Prague S
4 GB 1 GB RAM Not recorded
64 GB Not recorded 3 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. OT-997D

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

2. Nubia Prague S

NFC:
Unknown
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. OT-997D

    1800 mAh

  2. 2. Nubia Prague S

    2200 mAh

    +400 mAh versus OT-997D

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. OT-997D2. Nubia Prague S

Everyday essentials
Everyday essentials — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 148.2 Х 72.5 Х 6.8 mm
Weight
  • 143 g
  • 135 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4.3" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 64 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.
  • 1800 mAh
  • Removable Li-Ion
  • 2200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 5.2 (Lollipop); nubia UI 3
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 52.6 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.6%
  • 69.4%
PPI /points per inch/
  • 217 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • f/2.4
Performance

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

Performance — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 405
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Release date
  • 2012
  • July
  • 2016
  • January
Colors
  • Black
  • White
  • White
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h 30 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • SRS audio
  • 32-bit/192kHz audio -Dolby Surround audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for OT-997D, Nubia Prague S.
SpecificationOT-997DNubia Prague S
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass