Vodafone Smart 4 vs Xolo Era 4K

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.

  • Width

    Smart 4: 5.8 mm narrower

    Smart 4:
    66 mm
    Era 4K:
    71.8 mm
  • Screen diagonal

    Smart 4: 0.5 in smaller diagonal

    Smart 4:
    4.5 in
    Era 4K:
    5 in
  • Chipset

    Smart 4:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
    Era 4K:
    Mediatek MT6735P (28 nm)
  • Depth

    Era 4K: 1.4 mm thinner

    Smart 4:
    10.6 mm
    Era 4K:
    9.2 mm
  • Height

    Smart 4: 8.3 mm shorter

    Smart 4:
    134.7 mm
    Era 4K:
    143 mm
  • Release year

    Smart 4:
    2014
    Era 4K:
    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. Smart 4

    Height:
    134.7 mm
    Width:
    66 mm
    Depth:
    10.6 mm +1.4 mm versus Era 4K
    Weight:
    152 g
  2. 2. Era 4K

    Height:
    143 mm +8.3 mm versus Smart 4
    Width:
    71.8 mm +5.8 mm versus Smart 4
    Depth:
    9.2 mm
    Weight:
    Unknown

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. Smart 4

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Era 4K

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

Era 4K has approximately 23.5% more rectangular screen area than Smart 4.

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 Smart 4, Era 4K, compared at the same storage capacity.
StorageSmart 4Era 4K
8 GB Unknown 2 GB RAM
Smart 4: 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. Smart 4

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

2. Era 4K

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

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. Smart 4

    1880 mAh

  2. 2. Era 4K

    4000 mAh

    +2120 mAh versus Smart 4

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. Smart 42. Era 4K

Everyday essentials
Everyday essentials — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Dimensions (HxWxD)
  • 134.7 Х 66 Х 10.6 mm
  • 143 Х 71.8 Х 9.2 mm
Weight
  • 152 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1880 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.1.1 (Lollipop)
Chipset
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Mediatek MT6735P (28 nm)
NFC
  • Yes (optional)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.8%
  • 67.1%
PPI /points per inch/
  • 218 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 302
  • Mali-T720MP2
Antutu 7 score *
  • 8302
Unknown
General specs
General specs — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Release date
  • 2014
  • May
  • 2016
  • February
Colors
  • Black
  • White
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 624 h (2G) / Up to 528 h (3G) Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • HSPA
  • HSPA 42.2/11.5 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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.22 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Smart 4, Era 4K.
SpecificationSmart 4Era 4K
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - For India