Karbonn A30 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: 145 g lighter

    A30:
    280 g
    Nubia Prague S:
    135 g
  • Width

    Nubia Prague S: 18.5 mm narrower

    A30:
    91 mm
    Nubia Prague S:
    72.5 mm
  • Screen diagonal

    Nubia Prague S: 0.7 in smaller diagonal

    A30:
    5.9 in
    Nubia Prague S:
    5.2 in
  • Depth

    Nubia Prague S: 3.9 mm thinner

    A30:
    10.7 mm
    Nubia Prague S:
    6.8 mm
  • Height

    Nubia Prague S: 17.8 mm shorter

    A30:
    166 mm
    Nubia Prague S:
    148.2 mm
  • Release year

    A30:
    2012
    Nubia Prague S:
    2016

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. A30

    Height:
    166 mm +17.8 mm versus Nubia Prague S
    Width:
    91 mm +18.5 mm versus Nubia Prague S
    Depth:
    10.7 mm +3.9 mm versus Nubia Prague S
  2. 2. Nubia Prague S

    Height:
    148.2 mm
    Width:
    72.5 mm
    Depth:
    6.8 mm

Weight

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

  1. 1. A30

    280 g

    +145 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. A30

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

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

A30 has approximately 32.9% more rectangular screen area than Nubia Prague S.

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 A30, Nubia Prague S, compared at the same storage capacity.
StorageA30Nubia Prague S
64 GB Unknown 3 GB RAM
A30: Original memory entry

4 GB · 512 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. A30

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. A30

    2500 mAh

    +300 mAh versus Nubia Prague S

  2. 2. Nubia Prague S

    2200 mAh

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. A302. Nubia Prague S

Everyday essentials
Everyday essentials — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Dimensions (HxWxD)
  • 166 Х 91 Х 10.7 mm
  • 148.2 Х 72.5 Х 6.8 mm
Weight
  • 280 g
  • 135 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 5.9" 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
  • 512 MB 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.
  • 2500 mAh
  • Li-Ion
  • 2200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • Android 5.2 (Lollipop); nubia UI 3
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 99.1 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.6%
  • 69.4%
PPI /points per inch/
  • 158 PPI
  • 424 PPI
Camera and Video
Camera and Video — specifications for A30, Nubia Prague S.
SpecificationA30Nubia 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
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
  • f/2.4
Performance
Performance — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
General specs
General specs — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Release date
  • 2012
  • 2016
  • January
Colors
  • Black/White
  • White
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 600 h Talking time- Up to 10 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
SIM card
  • Dual SIM (Mini-SIM)
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 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 7.2/0.384 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
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.46 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Radio
  • FM radio
  • FM radio
Others Unknown
  • 32-bit/192kHz audio -Dolby Surround audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A30, Nubia Prague S.
SpecificationA30Nubia Prague S
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass